======================================
| [   10.396097][  T230] softirqs last disabled at (22747): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.396099][  T230] Preemption disabled at:
| [   10.396100][  T230] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.396109][  T230] Tainted: [W]=WARN
[   10.396110][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.396112][  T230] Call Trace:
[   10.396113][  T230]  <TASK>
[   10.396114][  T230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.396120][  T230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.396122][  T230]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.396126][  T230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.396130][  T230]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.396135][  T230]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.396137][  T230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.396142][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.396145][  T230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.396148][  T230]  put_chars (drivers/char/virtio_console.c:1176)
[   10.396151][  T230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.396152][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.396157][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.396159][  T230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.396163][  T230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.396166][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.396171][  T230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.396173][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396178][  T230]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.396181][  T230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.396183][  T230]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.396186][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396189][  T230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.396192][  T230]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.396196][  T230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.396198][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.396203][  T230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.396205][  T230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.396207][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396209][  T230]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.396213][  T230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.396215][  T230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.396218][  T230]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.396222][  T230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.396227][  T230]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.396231][  T230]  _printk (kernel/printk/printk.c:2504)
[   10.396234][  T230]  ? snapshot_read.cold (user.c:?)
[   10.396241][  T230]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.396244][  T230] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.396246][  T230]  do_one_initcall (init/main.c:1357)
[   10.396249][  T230]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.396253][  T230]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.396256][  T230]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.396261][  T230]  do_init_module (kernel/module/main.c:3117)
[   10.396264][  T230]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.396266][  T230]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.396270][  T230]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.396273][  T230]  load_module (kernel/module/main.c:3593)
[   10.396280][  T230]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.396284][  T230]  ? __ia32_sys_fsconfig (??:?)
[   10.396286][  T230]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.396290][  T230]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.396293][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.396297][  T230]  init_module_from_file (kernel/module/main.c:3790)
[   10.396300][  T230]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.396308][  T230]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.396311][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.396314][  T230]  idempotent_init_module (kernel/module/main.c:3802)
[   10.396317][  T230]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.396323][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396326][  T230]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.396332][  T230]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.396334][  T230]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.396337][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.396339][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.396341][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.396344][  T230] RIP: 0033:0x7f4a7803237d
[   10.396347][  T230] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.396349][  T230] RSP: 002b:00007fffca3140f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.396351][  T230] RAX: ffffffffffffffda RBX: 000055a265f05810 RCX: 00007f4a7803237d
[   10.396353][  T230] RDX: 0000000000000000 RSI: 000055a25501affd RDI: 0000000000000000
[   10.396353][  T230] RBP: 00007fffca314190 R08: 0000000000000000 R09: 0000000000000000
[   10.396354][  T230] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a25501affd
[   10.396355][  T230] R13: 000055a265f05960 R14: 0000000000040000 R15: 0000000000000000
| [   11.486611][  T266] softirqs last disabled at (12042): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.486613][  T266] Preemption disabled at:
| [   11.486614][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.486624][  T266] Tainted: [W]=WARN
[   11.486625][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.486626][  T266] Call Trace:
[   11.486628][  T266]  <TASK>
[   11.486630][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.486635][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.486638][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.486642][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.486647][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.486652][  T266]  __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))
[   11.486655][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.486660][  T266]  ? 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)
[   11.486663][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.486666][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   11.486669][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.486673][  T266]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.486677][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.486680][  T266]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.486682][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.486683][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.486687][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.486689][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.486692][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.486696][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.486700][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.486704][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.486706][  T266]  ? 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))
[   11.486709][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.486711][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.486715][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.486719][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.486721][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.486731][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.486734][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.486736][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.486738][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.486745][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.486747][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.486751][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.486755][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.486758][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.486759][  T266]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.486764][  T266]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.486767][  T266]  _printk (kernel/printk/printk.c:2504)
[   11.486771][  T266]  ? snapshot_read.cold (user.c:?)
[   11.486775][  T266]  ? br_multicast_flood (??:?) bridge
[   11.486788][  T266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.486789][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.486791][  T266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.486795][  T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.486805][  T266] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.486814][  T266] new_nbp (net/bridge/br_if.c:449) bridge
[   11.486823][  T266] br_add_if (net/bridge/br_if.c:592) bridge
[   11.486831][  T266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.486840][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.486843][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   11.486846][  T266]  do_set_master (net/core/rtnetlink.c:3071)
[   11.486851][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.486854][  T266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.486857][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.486859][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.486861][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.486865][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.486868][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.486869][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.486872][  T266]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.486876][  T266]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.486877][  T266]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.486880][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.486882][  T266]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.486885][  T266]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.486890][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.486893][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.486897][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.486900][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.486902][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.486904][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.486906][  T266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.486910][  T266]  ? __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)
[   11.486912][  T266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.486914][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.486917][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.486919][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.486924][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.486929][  T266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.486935][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.486937][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.486941][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.486943][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.486945][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.486947][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.486951][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.486953][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.486956][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.486957][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.486961][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.486963][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.486967][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.486969][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.486971][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.486978][  T266]  ? 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))
[   11.486979][  T266]  ? 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))
[   11.486983][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.486987][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.486990][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.486994][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.486998][  T266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.487001][  T266]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.487006][  T266]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.487009][  T266]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.487011][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.487013][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   11.487020][  T266]  ___sys_sendmsg (net/socket.c:2767)
[   11.487023][  T266]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.487038][  T266]  __sys_sendmsg (net/socket.c:2799)
[   11.487042][  T266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.487051][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.487055][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.487058][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.487061][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.487063][  T266] RIP: 0033:0x7fd261a8d54e
[   11.487067][  T266] 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
[   11.487069][  T266] RSP: 002b:00007fffebe08dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.487072][  T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd261a8d54e
[   11.487073][  T266] RDX: 0000000000000000 RSI: 00007fffebe08e70 RDI: 0000000000000005
[   11.487074][  T266] RBP: 00007fffebe08dd0 R08: 0000000000000000 R09: 0000000000000000
[   11.487075][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afaf
[   11.487076][  T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffebe09530
| [   18.513258][  T348] softirqs last disabled at (16910): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   18.513266][  T348] Preemption disabled at:
| [   18.513267][  T348] 0x0
| [   18.513277][  T348] Tainted: [W]=WARN
[   18.513278][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.513279][  T348] Call Trace:
[   18.513281][  T348]  <TASK>
[   18.513282][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.513289][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.513293][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.513297][  T348]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.513303][  T348]  __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))
[   18.513305][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.513310][  T348]  ? 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)
[   18.513313][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.513316][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   18.513319][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.513320][  T348]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.513325][  T348]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   18.513331][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.513334][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.513336][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.513337][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.513342][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.513343][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.513347][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.513351][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.513355][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.513357][  T348]  ? 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))
[   18.513360][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.513364][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.513368][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.513372][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.513373][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.513378][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.513381][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.513383][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.513385][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.513389][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.513391][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.513394][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.513398][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.513400][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.513402][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.513405][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.513409][  T348]  _printk (kernel/printk/printk.c:2504)
[   18.513413][  T348]  ? snapshot_read.cold (user.c:?)
[   18.513420][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.513432][  T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   18.513441][  T348] br_device_event (net/bridge/br.c:111) bridge
[   18.513448][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.513452][  T348]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.513458][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   18.513463][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   18.513468][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   18.513475][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   18.513478][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   18.513481][  T348]  ? write_profile (profile.c:?)
[   18.513483][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.513488][  T348]  netif_change_flags (net/core/dev.c:9882)
[   18.513492][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.513495][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.513497][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.513499][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.513500][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.513504][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.513506][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.513508][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.513511][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.513514][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.513515][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.513518][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.513520][  T348]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.513523][  T348]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.513527][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.513529][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.513532][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.513534][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.513536][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.513537][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.513540][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.513544][  T348]  ? __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)
[   18.513545][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.513547][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.513551][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.513556][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.513561][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.513566][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.513568][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.513572][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.513574][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.513576][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.513578][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.513582][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.513584][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.513587][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.513590][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.513595][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.513597][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.513600][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.513602][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.513605][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.513615][  T348]  ? 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))
[   18.513616][  T348]  ? 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))
[   18.513620][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.513624][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.513627][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.513631][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.513634][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.513638][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.513644][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.513646][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.513648][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.513650][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   18.513657][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   18.513660][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.513676][  T348]  __sys_sendmsg (net/socket.c:2799)
[   18.513678][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.513685][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.513688][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.513690][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.513693][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.513696][  T348] RIP: 0033:0x7f3887aa254e
[   18.513698][  T348] 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
[   18.513700][  T348] RSP: 002b:00007ffe6d45bfc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.513703][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3887aa254e
[   18.513704][  T348] RDX: 0000000000000000 RSI: 00007ffe6d45c070 RDI: 0000000000000005
[   18.513705][  T348] RBP: 00007ffe6d45bfd0 R08: 0000000000000000 R09: 0000000000000000
[   18.513706][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afb6
[   18.513707][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6d45c730
| [   23.770881][  T357] softirqs last disabled at (12354): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   23.770889][  T357] Preemption disabled at:
| [   23.770889][  T357] 0x0
| [   23.770900][  T357] Tainted: [W]=WARN
[   23.770901][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.770902][  T357] Call Trace:
[   23.770904][  T357]  <TASK>
[   23.770905][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.770912][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.770916][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.770920][  T357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.770925][  T357]  __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))
[   23.770928][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.770934][  T357]  ? 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)
[   23.770936][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.770939][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   23.770941][  T357]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   23.770943][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.770946][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.770949][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.770954][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.770956][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.770958][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.770962][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.770964][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   23.770967][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.770970][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.770974][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.770977][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.770979][  T357]  ? 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))
[   23.770982][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.770985][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.770988][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.770992][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.770994][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.770999][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.771002][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.771004][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.771006][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.771009][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.771011][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.771014][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.771019][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.771022][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.771024][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.771028][  T357]  _printk (kernel/printk/printk.c:2504)
[   23.771031][  T357]  ? snapshot_read.cold (user.c:?)
[   23.771039][  T357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   23.771049][  T357] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   23.771057][  T357] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   23.771065][  T357] br_dev_stop (net/bridge/br_device.c:193) bridge
[   23.771074][  T357]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.771077][  T357]  __dev_close_many (net/core/dev.c:1798)
[   23.771081][  T357]  ? netif_open (net/core/dev.c:1755)
[   23.771084][  T357]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   23.771089][  T357]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   23.771092][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   23.771095][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   23.771098][  T357]  ? write_profile (profile.c:?)
[   23.771100][  T357]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.771105][  T357]  netif_change_flags (net/core/dev.c:9877)
[   23.771109][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   23.771112][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.771114][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.771115][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.771117][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.771121][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.771123][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.771125][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.771128][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.771130][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.771132][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.771135][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.771137][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   23.771139][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   23.771144][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.771146][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.771148][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.771151][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.771152][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.771154][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.771156][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.771160][  T357]  ? __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)
[   23.771163][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.771165][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.771169][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.771174][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.771179][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.771184][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.771186][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.771190][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.771192][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.771194][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.771196][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.771200][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.771202][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.771205][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.771206][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.771210][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.771212][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.771215][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.771217][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.771220][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.771226][  T357]  ? 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))
[   23.771227][  T357]  ? 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))
[   23.771232][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.771236][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.771238][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.771242][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.771246][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.771250][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.771255][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.771258][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.771260][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.771262][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   23.771269][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   23.771271][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.771290][  T357]  __sys_sendmsg (net/socket.c:2799)
[   23.771293][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.771299][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.771303][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.771305][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.771308][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.771311][  T357] RIP: 0033:0x7f5f7eedb54e
[   23.771313][  T357] 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
[   23.771315][  T357] RSP: 002b:00007ffe7c858bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.771318][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f7eedb54e
[   23.771319][  T357] RDX: 0000000000000000 RSI: 00007ffe7c858ca0 RDI: 0000000000000005
[   23.771320][  T357] RBP: 00007ffe7c858c00 R08: 0000000000000000 R09: 0000000000000000
[   23.771321][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afbc
[   23.771321][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7c859360
| [   29.820202][  T392] softirqs last disabled at (11444): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   29.820210][  T392] Preemption disabled at:
| [   29.820211][  T392] 0x0
| [   29.820221][  T392] Tainted: [W]=WARN
[   29.820222][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.820224][  T392] Call Trace:
[   29.820225][  T392]  <TASK>
[   29.820227][  T392]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.820234][  T392]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.820238][  T392]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.820242][  T392]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.820248][  T392]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.820250][  T392]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.820255][  T392]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.820258][  T392]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.820261][  T392]  put_chars (drivers/char/virtio_console.c:1176)
[   29.820263][  T392]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.820265][  T392]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.820269][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.820273][  T392]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.820277][  T392]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.820280][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.820282][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.820286][  T392]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.820287][  T392]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.820291][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.820294][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.820298][  T392]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.820301][  T392]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.820303][  T392]  ? 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))
[   29.820306][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.820309][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.820313][  T392]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.820317][  T392]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.820318][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.820323][  T392]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.820326][  T392]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.820328][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.820330][  T392]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.820334][  T392]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.820336][  T392]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.820339][  T392]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.820343][  T392]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.820346][  T392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.820349][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.820352][  T392]  _printk (kernel/printk/printk.c:2504)
[   29.820356][  T392]  ? snapshot_read.cold (user.c:?)
[   29.820364][  T392] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.820374][  T392] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.820383][  T392] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   29.820391][  T392] br_dev_stop (net/bridge/br_device.c:193) bridge
[   29.820400][  T392]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.820403][  T392]  __dev_close_many (net/core/dev.c:1798)
[   29.820407][  T392]  ? netif_open (net/core/dev.c:1755)
[   29.820409][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.820411][  T392]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.820416][  T392]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   29.820419][  T392]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.820422][  T392]  ? __kernel_text_address (kernel/extable.c:79)
[   29.820424][  T392]  ? write_profile (profile.c:?)
[   29.820427][  T392]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.820432][  T392]  netif_change_flags (net/core/dev.c:9877)
[   29.820436][  T392]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.820439][  T392]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.820441][  T392]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.820442][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.820444][  T392]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.820447][  T392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.820450][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.820451][  T392]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.820454][  T392]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.820457][  T392]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.820459][  T392]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.820461][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.820463][  T392]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   29.820466][  T392]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.820470][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.820472][  T392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.820475][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.820477][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.820479][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.820481][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.820483][  T392]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.820487][  T392]  ? __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)
[   29.820490][  T392]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.820492][  T392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.820495][  T392]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.820500][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.820505][  T392]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.820511][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.820513][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.820517][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.820519][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.820521][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.820523][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.820526][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.820528][  T392]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.820531][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.820533][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.820537][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.820539][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.820542][  T392]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.820545][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.820547][  T392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.820554][  T392]  ? 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))
[   29.820555][  T392]  ? 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))
[   29.820559][  T392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.820563][  T392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.820566][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.820570][  T392]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.820574][  T392]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.820577][  T392]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.820583][  T392]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.820585][  T392]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.820587][  T392]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.820589][  T392]  ? move_addr_to_kernel (net/socket.c:258)
[   29.820596][  T392]  ___sys_sendmsg (net/socket.c:2767)
[   29.820599][  T392]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.820615][  T392]  __sys_sendmsg (net/socket.c:2799)
[   29.820618][  T392]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.820624][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.820628][  T392]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.820630][  T392]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.820633][  T392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.820635][  T392] RIP: 0033:0x7f38574a454e
[   29.820638][  T392] 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
[   29.820639][  T392] RSP: 002b:00007fff4ae43d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.820642][  T392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38574a454e
[   29.820644][  T392] RDX: 0000000000000000 RSI: 00007fff4ae43dd0 RDI: 0000000000000005
[   29.820645][  T392] RBP: 00007fff4ae43d30 R08: 0000000000000000 R09: 0000000000000000
[   29.820645][  T392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afc2
[   29.820646][  T392] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4ae44490
| [   36.247424][  T693] softirqs last disabled at (14202): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   36.247431][  T693] Preemption disabled at:
| [   36.247432][  T693] 0x0
| [   36.247442][  T693] Tainted: [W]=WARN
[   36.247443][  T693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.247445][  T693] Call Trace:
[   36.247446][  T693]  <TASK>
[   36.247448][  T693]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.247454][  T693]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.247459][  T693]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.247463][  T693]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.247469][  T693]  __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))
[   36.247471][  T693]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.247476][  T693]  ? 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)
[   36.247479][  T693]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.247482][  T693]  put_chars (drivers/char/virtio_console.c:1176)
[   36.247485][  T693]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.247488][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.247492][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.247495][  T693]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.247498][  T693]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.247501][  T693]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.247503][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.247504][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.247508][  T693]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.247510][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.247514][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.247518][  T693]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.247522][  T693]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.247523][  T693]  ? 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))
[   36.247527][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.247529][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.247533][  T693]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.247537][  T693]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.247539][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.247544][  T693]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.247547][  T693]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.247548][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.247551][  T693]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.247554][  T693]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.247556][  T693]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.247559][  T693]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.247563][  T693]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.247565][  T693]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.247568][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.247570][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.247574][  T693]  _printk (kernel/printk/printk.c:2504)
[   36.247577][  T693]  ? snapshot_read.cold (user.c:?)
[   36.247585][  T693] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   36.247596][  T693] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   36.247606][  T693] br_device_event (net/bridge/br.c:111) bridge
[   36.247613][  T693]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.247617][  T693]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   36.247623][  T693]  notifier_call_chain (kernel/notifier.c:85)
[   36.247628][  T693]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.247633][  T693]  ? netif_change_name (net/core/dev.c:1517)
[   36.247637][  T693]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   36.247640][  T693]  ? __kernel_text_address (kernel/extable.c:79)
[   36.247642][  T693]  ? write_profile (profile.c:?)
[   36.247644][  T693]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.247649][  T693]  netif_change_flags (net/core/dev.c:9882)
[   36.247653][  T693]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.247657][  T693]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.247659][  T693]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.247660][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.247662][  T693]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.247665][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.247668][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.247669][  T693]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.247672][  T693]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.247675][  T693]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.247677][  T693]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.247679][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.247681][  T693]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   36.247684][  T693]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.247689][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.247690][  T693]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.247693][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.247695][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.247697][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.247699][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.247701][  T693]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.247705][  T693]  ? __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)
[   36.247706][  T693]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.247708][  T693]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.247712][  T693]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.247717][  T693]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.247722][  T693]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.247727][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.247732][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.247737][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.247738][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.247741][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.247742][  T693]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.247746][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.247748][  T693]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.247751][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.247752][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.247757][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.247759][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.247762][  T693]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.247764][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.247766][  T693]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.247772][  T693]  ? 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))
[   36.247774][  T693]  ? 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))
[   36.247778][  T693]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.247782][  T693]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.247784][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.247788][  T693]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.247792][  T693]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.247796][  T693]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.247801][  T693]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.247804][  T693]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.247806][  T693]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.247807][  T693]  ? move_addr_to_kernel (net/socket.c:258)
[   36.247815][  T693]  ___sys_sendmsg (net/socket.c:2767)
[   36.247817][  T693]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.247833][  T693]  __sys_sendmsg (net/socket.c:2799)
[   36.247836][  T693]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.247842][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.247845][  T693]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.247848][  T693]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.247851][  T693]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.247853][  T693] RIP: 0033:0x7efc5ae1154e
[   36.247855][  T693] 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
[   36.247857][  T693] RSP: 002b:00007ffca33cac00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.247860][  T693] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc5ae1154e
[   36.247862][  T693] RDX: 0000000000000000 RSI: 00007ffca33cacb0 RDI: 0000000000000005
[   36.247863][  T693] RBP: 00007ffca33cac10 R08: 0000000000000000 R09: 0000000000000000
[   36.247863][  T693] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afc8
[   36.247864][  T693] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca33cb370
| [   41.510963][  T702] softirqs last disabled at (13914): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   41.510981][  T702] Preemption disabled at:
| [   41.510982][  T702] 0x0
| [   41.510998][  T702] Tainted: [W]=WARN
[   41.511000][  T702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.511002][  T702] Call Trace:
[   41.511005][  T702]  <TASK>
[   41.511008][  T702]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.511018][  T702]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.511026][  T702]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.511034][  T702]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.511044][  T702]  __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))
[   41.511048][  T702]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.511059][  T702]  ? 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)
[   41.511063][  T702]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.511070][  T702]  put_chars (drivers/char/virtio_console.c:1176)
[   41.511074][  T702]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   41.511078][  T702]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.511084][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.511090][  T702]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.511100][  T702]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.511104][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.511107][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.511118][  T702]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.511120][  T702]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   41.511127][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.511132][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.511140][  T702]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.511148][  T702]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.511151][  T702]  ? 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))
[   41.511158][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.511162][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.511170][  T702]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.511179][  T702]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.511182][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.511191][  T702]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.511195][  T702]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.511197][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.511201][  T702]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.511206][  T702]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.511208][  T702]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.511213][  T702]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.511219][  T702]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.511224][  T702]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.511227][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.511233][  T702]  _printk (kernel/printk/printk.c:2504)
[   41.511237][  T702]  ? snapshot_read.cold (user.c:?)
[   41.511250][  T702] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   41.511267][  T702] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   41.511282][  T702] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   41.511295][  T702] br_dev_stop (net/bridge/br_device.c:193) bridge
[   41.511309][  T702]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.511312][  T702]  __dev_close_many (net/core/dev.c:1798)
[   41.511318][  T702]  ? netif_open (net/core/dev.c:1755)
[   41.511320][  T702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.511324][  T702]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.511331][  T702]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.511336][  T702]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   41.511341][  T702]  ? __kernel_text_address (kernel/extable.c:79)
[   41.511345][  T702]  ? write_profile (profile.c:?)
[   41.511349][  T702]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.511359][  T702]  netif_change_flags (net/core/dev.c:9877)
[   41.511367][  T702]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.511373][  T702]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.511377][  T702]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.511380][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.511383][  T702]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.511389][  T702]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.511394][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.511397][  T702]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.511402][  T702]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.511407][  T702]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.511410][  T702]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.511416][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.511419][  T702]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   41.511424][  T702]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.511433][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.511437][  T702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.511443][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.511448][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.511451][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.511454][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.511458][  T702]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.511466][  T702]  ? __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)
[   41.511470][  T702]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.511474][  T702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.511482][  T702]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.511494][  T702]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.511506][  T702]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.511518][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.511522][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.511532][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.511536][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.511540][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.511544][  T702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.511552][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.511556][  T702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.511563][  T702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.511566][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.511575][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.511579][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.511586][  T702]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.511590][  T702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.511597][  T702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.511611][  T702]  ? 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))
[   41.511614][  T702]  ? 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))
[   41.511624][  T702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.511632][  T702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.511638][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.511647][  T702]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.511655][  T702]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.511664][  T702]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.511675][  T702]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.511680][  T702]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.511684][  T702]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.511687][  T702]  ? move_addr_to_kernel (net/socket.c:258)
[   41.511703][  T702]  ___sys_sendmsg (net/socket.c:2767)
[   41.511709][  T702]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.511750][  T702]  __sys_sendmsg (net/socket.c:2799)
[   41.511755][  T702]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.511769][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.511778][  T702]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.511782][  T702]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.511788][  T702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.511792][  T702] RIP: 0033:0x7f4e9827a54e
[   41.511796][  T702] 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
[   41.511799][  T702] RSP: 002b:00007ffc38dafe00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.511804][  T702] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4e9827a54e
[   41.511806][  T702] RDX: 0000000000000000 RSI: 00007ffc38dafeb0 RDI: 0000000000000005
[   41.511808][  T702] RBP: 00007ffc38dafe10 R08: 0000000000000000 R09: 0000000000000000
[   41.511810][  T702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afcd
[   41.511812][  T702] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc38db0570
| [   47.479635][  T737] softirqs last disabled at (11050): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   47.479643][  T737] Preemption disabled at:
| [   47.479644][  T737] 0x0
| [   47.479654][  T737] Tainted: [W]=WARN
[   47.479655][  T737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.479657][  T737] Call Trace:
[   47.479658][  T737]  <TASK>
[   47.479660][  T737]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.479667][  T737]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.479672][  T737]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.479676][  T737]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.479681][  T737]  __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))
[   47.479684][  T737]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.479689][  T737]  ? 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)
[   47.479692][  T737]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.479695][  T737]  put_chars (drivers/char/virtio_console.c:1176)
[   47.479697][  T737]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   47.479700][  T737]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.479703][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.479706][  T737]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.479711][  T737]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.479714][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.479715][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.479720][  T737]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.479721][  T737]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   47.479724][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.479727][  T737]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.479734][  T737]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.479738][  T737]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.479740][  T737]  ? 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))
[   47.479743][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.479746][  T737]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.479750][  T737]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.479754][  T737]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.479756][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.479761][  T737]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.479764][  T737]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.479766][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.479768][  T737]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.479772][  T737]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.479774][  T737]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.479777][  T737]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.479782][  T737]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.479785][  T737]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.479788][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.479791][  T737]  _printk (kernel/printk/printk.c:2504)
[   47.479795][  T737]  ? snapshot_read.cold (user.c:?)
[   47.479803][  T737] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   47.479814][  T737] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   47.479823][  T737] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   47.479830][  T737] br_dev_stop (net/bridge/br_device.c:193) bridge
[   47.479840][  T737]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.479843][  T737]  __dev_close_many (net/core/dev.c:1798)
[   47.479847][  T737]  ? netif_open (net/core/dev.c:1755)
[   47.479849][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.479851][  T737]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.479856][  T737]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   47.479859][  T737]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   47.479862][  T737]  ? __kernel_text_address (kernel/extable.c:79)
[   47.479865][  T737]  ? write_profile (profile.c:?)
[   47.479867][  T737]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.479872][  T737]  netif_change_flags (net/core/dev.c:9877)
[   47.479876][  T737]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   47.479879][  T737]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.479881][  T737]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.479883][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.479885][  T737]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.479888][  T737]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.479891][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.479893][  T737]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.479895][  T737]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.479898][  T737]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.479900][  T737]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.479903][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.479904][  T737]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   47.479907][  T737]  ? ___sys_sendmsg (net/socket.c:2757)
[   47.479912][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.479920][  T737]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.479923][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.479925][  T737]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.479927][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.479928][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.479931][  T737]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.479935][  T737]  ? __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)
[   47.479938][  T737]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.479940][  T737]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.479944][  T737]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.479949][  T737]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.479954][  T737]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.479960][  T737]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.479962][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.479966][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.479968][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.479970][  T737]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.479972][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.479976][  T737]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.479978][  T737]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.479981][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.479983][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.479987][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.479989][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.479993][  T737]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.479995][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.479998][  T737]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.480004][  T737]  ? 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))
[   47.480005][  T737]  ? 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))
[   47.480010][  T737]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.480014][  T737]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.480016][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.480021][  T737]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.480024][  T737]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.480028][  T737]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.480034][  T737]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.480036][  T737]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.480039][  T737]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.480040][  T737]  ? move_addr_to_kernel (net/socket.c:258)
[   47.480048][  T737]  ___sys_sendmsg (net/socket.c:2767)
[   47.480051][  T737]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.480067][  T737]  __sys_sendmsg (net/socket.c:2799)
[   47.480070][  T737]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.480076][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480080][  T737]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.480082][  T737]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.480085][  T737]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.480088][  T737] RIP: 0033:0x7f2db27cb54e
[   47.480090][  T737] 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
[   47.480092][  T737] RSP: 002b:00007fff5b601fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.480095][  T737] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2db27cb54e
[   47.480096][  T737] RDX: 0000000000000000 RSI: 00007fff5b602090 RDI: 0000000000000005
[   47.480097][  T737] RBP: 00007fff5b601ff0 R08: 0000000000000000 R09: 0000000000000000
[   47.480098][  T737] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afd3
[   47.480099][  T737] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5b602750
| [   50.141160][  T853] softirqs last disabled at (20474): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   50.141168][  T853] Preemption disabled at:
| [   50.141168][  T853] 0x0
| [   50.141179][  T853] Tainted: [W]=WARN
[   50.141180][  T853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.141182][  T853] Call Trace:
[   50.141183][  T853]  <TASK>
[   50.141185][  T853]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.141191][  T853]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.141196][  T853]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.141200][  T853]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.141206][  T853]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.141208][  T853]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.141214][  T853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.141217][  T853]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.141220][  T853]  put_chars (drivers/char/virtio_console.c:1176)
[   50.141223][  T853]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.141226][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.141230][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.141233][  T853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.141237][  T853]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.141239][  T853]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.141241][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.141243][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.141247][  T853]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.141248][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.141253][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.141257][  T853]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.141261][  T853]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.141263][  T853]  ? 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))
[   50.141266][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.141268][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.141272][  T853]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.141277][  T853]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.141278][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.141284][  T853]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.141286][  T853]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.141288][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.141291][  T853]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.141294][  T853]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.141296][  T853]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.141300][  T853]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.141304][  T853]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.141306][  T853]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.141308][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.141311][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.141315][  T853]  _printk (kernel/printk/printk.c:2504)
[   50.141319][  T853]  ? snapshot_read.cold (user.c:?)
[   50.141327][  T853] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   50.141338][  T853] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   50.141348][  T853] br_device_event (net/bridge/br.c:111) bridge
[   50.141357][  T853]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   50.141361][  T853]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   50.141367][  T853]  notifier_call_chain (kernel/notifier.c:85)
[   50.141372][  T853]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   50.141377][  T853]  ? netif_change_name (net/core/dev.c:1517)
[   50.141381][  T853]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   50.141384][  T853]  ? __kernel_text_address (kernel/extable.c:79)
[   50.141386][  T853]  ? write_profile (profile.c:?)
[   50.141389][  T853]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.141393][  T853]  netif_change_flags (net/core/dev.c:9882)
[   50.141397][  T853]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   50.141401][  T853]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.141403][  T853]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.141404][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.141406][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.141410][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.141413][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.141414][  T853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.141417][  T853]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.141420][  T853]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.141422][  T853]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.141425][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.141427][  T853]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   50.141430][  T853]  ? ___sys_sendmsg (net/socket.c:2757)
[   50.141435][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.141437][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.141439][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.141442][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.141443][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.141445][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.141448][  T853]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.141451][  T853]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   50.141453][  T853]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.141455][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.141459][  T853]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.141464][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.141469][  T853]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.141475][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.141477][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.141482][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.141483][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.141486][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.141487][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.141491][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.141493][  T853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.141497][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.141498][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.141503][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.141504][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.141508][  T853]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.141510][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.141513][  T853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.141519][  T853]  ? 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))
[   50.141520][  T853]  ? 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))
[   50.141525][  T853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.141529][  T853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.141531][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.141535][  T853]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.141539][  T853]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.141543][  T853]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.141549][  T853]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.141551][  T853]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.141554][  T853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.141555][  T853]  ? move_addr_to_kernel (net/socket.c:258)
[   50.141563][  T853]  ___sys_sendmsg (net/socket.c:2767)
[   50.141566][  T853]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.141582][  T853]  __sys_sendmsg (net/socket.c:2799)
[   50.141585][  T853]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.141591][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.141595][  T853]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.141597][  T853]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.141600][  T853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.141603][  T853] RIP: 0033:0x7fa5ab52a54e
[   50.141605][  T853] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.141607][  T853] RSP: 002b:00007ffdec9627b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.141610][  T853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa5ab52a54e
[   50.141612][  T853] RDX: 0000000000000000 RSI: 00007ffdec962860 RDI: 0000000000000005
[   50.141613][  T853] RBP: 00007ffdec9627c0 R08: 0000000000000000 R09: 0000000000000000
[   50.141614][  T853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afd6
[   50.141614][  T853] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdec962f20
| [   55.398741][  T862] softirqs last disabled at (13258): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   55.398749][  T862] Preemption disabled at:
| [   55.398750][  T862] 0x0
| [   55.398760][  T862] Tainted: [W]=WARN
[   55.398761][  T862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.398763][  T862] Call Trace:
[   55.398764][  T862]  <TASK>
[   55.398766][  T862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.398772][  T862]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.398777][  T862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.398781][  T862]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.398786][  T862]  __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))
[   55.398789][  T862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.398794][  T862]  ? 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)
[   55.398797][  T862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.398800][  T862]  put_chars (drivers/char/virtio_console.c:1176)
[   55.398802][  T862]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   55.398805][  T862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.398808][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.398811][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.398815][  T862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.398818][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.398819][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.398824][  T862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.398825][  T862]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   55.398828][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.398831][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.398835][  T862]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.398839][  T862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.398841][  T862]  ? 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))
[   55.398844][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.398846][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.398850][  T862]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.398854][  T862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.398856][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.398861][  T862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.398864][  T862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.398865][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.398868][  T862]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.398871][  T862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.398873][  T862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.398876][  T862]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.398880][  T862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.398883][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.398886][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.398889][  T862]  _printk (kernel/printk/printk.c:2504)
[   55.398893][  T862]  ? snapshot_read.cold (user.c:?)
[   55.398901][  T862] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.398910][  T862] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   55.398919][  T862] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   55.398926][  T862] br_dev_stop (net/bridge/br_device.c:193) bridge
[   55.398941][  T862]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.398944][  T862]  __dev_close_many (net/core/dev.c:1798)
[   55.398950][  T862]  ? netif_open (net/core/dev.c:1755)
[   55.398953][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.398956][  T862]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.398960][  T862]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   55.398963][  T862]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   55.398966][  T862]  ? __kernel_text_address (kernel/extable.c:79)
[   55.398969][  T862]  ? write_profile (profile.c:?)
[   55.398971][  T862]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.398976][  T862]  netif_change_flags (net/core/dev.c:9877)
[   55.398980][  T862]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   55.398983][  T862]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.398985][  T862]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.398986][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.398988][  T862]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.398991][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.398994][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.398995][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.398998][  T862]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.399001][  T862]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.399003][  T862]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.399005][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.399007][  T862]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   55.399010][  T862]  ? ___sys_sendmsg (net/socket.c:2757)
[   55.399014][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.399016][  T862]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.399019][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.399021][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.399023][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.399025][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.399027][  T862]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.399031][  T862]  ? __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)
[   55.399034][  T862]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.399036][  T862]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.399039][  T862]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.399045][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.399050][  T862]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.399055][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.399057][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.399062][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.399065][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.399068][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.399071][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.399075][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.399077][  T862]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.399080][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.399081][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.399085][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.399087][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.399091][  T862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.399092][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.399095][  T862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.399101][  T862]  ? 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))
[   55.399103][  T862]  ? 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))
[   55.399107][  T862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.399111][  T862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.399113][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.399117][  T862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.399121][  T862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.399125][  T862]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.399130][  T862]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.399132][  T862]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.399135][  T862]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.399136][  T862]  ? move_addr_to_kernel (net/socket.c:258)
[   55.399143][  T862]  ___sys_sendmsg (net/socket.c:2767)
[   55.399146][  T862]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.399162][  T862]  __sys_sendmsg (net/socket.c:2799)
[   55.399165][  T862]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.399171][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.399174][  T862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.399177][  T862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.399180][  T862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.399182][  T862] RIP: 0033:0x7f45c08e854e
[   55.399186][  T862] 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
[   55.399188][  T862] RSP: 002b:00007ffe85b28520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.399192][  T862] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f45c08e854e
[   55.399193][  T862] RDX: 0000000000000000 RSI: 00007ffe85b285d0 RDI: 0000000000000005
[   55.399194][  T862] RBP: 00007ffe85b28530 R08: 0000000000000000 R09: 0000000000000000
[   55.399195][  T862] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afdb
[   55.399196][  T862] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe85b28c90
| [   56.437860][  T904] softirqs last disabled at (20819): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   56.437862][  T904] Preemption disabled at:
| [   56.437863][  T904] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.437873][  T904] Tainted: [W]=WARN
[   56.437874][  T904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.437875][  T904] Call Trace:
[   56.437877][  T904]  <TASK>
[   56.437879][  T904]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.437884][  T904]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.437887][  T904]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.437891][  T904]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.437896][  T904]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.437901][  T904]  __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))
[   56.437904][  T904]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.437909][  T904]  ? 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)
[   56.437912][  T904]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.437915][  T904]  put_chars (drivers/char/virtio_console.c:1176)
[   56.437918][  T904]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.437924][  T904]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.437931][  T904]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.437940][  T904]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.437945][  T904]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.437949][  T904]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.437951][  T904]  ? 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))
[   56.437954][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.437958][  T904]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.437962][  T904]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.437967][  T904]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.437968][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.437974][  T904]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.437977][  T904]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.437978][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.437981][  T904]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.437985][  T904]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.437986][  T904]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.437990][  T904]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.437994][  T904]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.437997][  T904]  ? __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)
[   56.438000][  T904]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.438002][  T904]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.438005][  T904]  _printk (kernel/printk/printk.c:2504)
[   56.438009][  T904]  ? snapshot_read.cold (user.c:?)
[   56.438012][  T904]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   56.438026][  T904]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   56.438031][  T904] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   56.438041][  T904] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   56.438050][  T904] new_nbp (net/bridge/br_if.c:449) bridge
[   56.438059][  T904] br_add_if (net/bridge/br_if.c:592) bridge
[   56.438069][  T904]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.438078][  T904]  do_set_master (net/core/rtnetlink.c:3071)
[   56.438086][  T904]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.438092][  T904]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.438095][  T904]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.438098][  T904]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.438108][  T904]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.438115][  T904]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.438120][  T904]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.438122][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.438129][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.438133][  T904]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.438135][  T904]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.438138][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.438140][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.438144][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.438146][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.438150][  T904]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.438153][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.438156][  T904]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.438162][  T904]  ? 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))
[   56.438164][  T904]  ? 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))
[   56.438168][  T904]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.438172][  T904]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.438175][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.438179][  T904]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.438183][  T904]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.438187][  T904]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.438193][  T904]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.438196][  T904]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.438198][  T904]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.438200][  T904]  ? move_addr_to_kernel (net/socket.c:258)
[   56.438204][  T904]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   56.438206][  T904]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   56.438211][  T904]  ___sys_sendmsg (net/socket.c:2767)
[   56.438214][  T904]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.438230][  T904]  __sys_sendmsg (net/socket.c:2799)
[   56.438233][  T904]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.438239][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.438241][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.438245][  T904]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.438247][  T904]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.438251][  T904]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.438253][  T904] RIP: 0033:0x7f28432f754e
[   56.438257][  T904] 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
[   56.438259][  T904] RSP: 002b:00007ffdf1ee8130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.438262][  T904] RAX: ffffffffffffffda RBX: 00007ffdf1ee88e8 RCX: 00007f28432f754e
[   56.438263][  T904] RDX: 0000000000000000 RSI: 00007ffdf1ee81e0 RDI: 0000000000000005
[   56.438264][  T904] RBP: 00007ffdf1ee8140 R08: 0000000000000000 R09: 0000000000000000
[   56.438265][  T904] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afdc
[   56.438266][  T904] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf1ee88a0
| [   57.461967][  T942] softirqs last disabled at (17622): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.461969][  T942] Preemption disabled at:
| [   57.461970][  T942] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.461980][  T942] Tainted: [W]=WARN
[   57.461981][  T942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.461982][  T942] Call Trace:
[   57.461984][  T942]  <TASK>
[   57.461986][  T942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.461992][  T942]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.461994][  T942]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.461999][  T942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.462004][  T942]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.462009][  T942]  __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))
[   57.462012][  T942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.462017][  T942]  ? 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)
[   57.462020][  T942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.462023][  T942]  put_chars (drivers/char/virtio_console.c:1176)
[   57.462026][  T942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.462034][  T942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.462041][  T942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.462044][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.462049][  T942]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.462053][  T942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.462055][  T942]  ? 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))
[   57.462059][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.462063][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.462067][  T942]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.462072][  T942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.462074][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.462080][  T942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.462083][  T942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.462085][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.462087][  T942]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.462091][  T942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.462093][  T942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.462099][  T942]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.462106][  T942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.462110][  T942]  ? __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)
[   57.462113][  T942]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.462114][  T942]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.462118][  T942]  _printk (kernel/printk/printk.c:2504)
[   57.462122][  T942]  ? snapshot_read.cold (user.c:?)
[   57.462126][  T942]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   57.462142][  T942]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   57.462146][  T942] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.462158][  T942] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.462168][  T942] new_nbp (net/bridge/br_if.c:449) bridge
[   57.462178][  T942] br_add_if (net/bridge/br_if.c:592) bridge
[   57.462186][  T942]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   57.462193][  T942]  do_set_master (net/core/rtnetlink.c:3071)
[   57.462199][  T942]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   57.462204][  T942]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   57.462206][  T942]  ? __dev_get_by_name (net/core/dev.c:905)
[   57.462209][  T942]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   57.462221][  T942]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   57.462229][  T942]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.462236][  T942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.462239][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.462251][  T942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.462258][  T942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.462261][  T942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.462265][  T942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.462266][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.462272][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.462274][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.462279][  T942]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.462282][  T942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.462285][  T942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.462293][  T942]  ? 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))
[   57.462295][  T942]  ? 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))
[   57.462301][  T942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.462306][  T942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.462309][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.462314][  T942]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.462319][  T942]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.462324][  T942]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.462330][  T942]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.462334][  T942]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.462336][  T942]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.462338][  T942]  ? move_addr_to_kernel (net/socket.c:258)
[   57.462343][  T942]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.462346][  T942]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.462352][  T942]  ___sys_sendmsg (net/socket.c:2767)
[   57.462355][  T942]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.462376][  T942]  __sys_sendmsg (net/socket.c:2799)
[   57.462380][  T942]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.462389][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.462394][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.462399][  T942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.462402][  T942]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.462406][  T942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.462409][  T942] RIP: 0033:0x7fa3aa69654e
[   57.462413][  T942] 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
[   57.462415][  T942] RSP: 002b:00007ffdac1d4330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.462418][  T942] RAX: ffffffffffffffda RBX: 00007ffdac1d4ae8 RCX: 00007fa3aa69654e
[   57.462419][  T942] RDX: 0000000000000000 RSI: 00007ffdac1d43e0 RDI: 0000000000000005
[   57.462421][  T942] RBP: 00007ffdac1d4340 R08: 0000000000000000 R09: 0000000000000000
[   57.462422][  T942] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afdd
[   57.462423][  T942] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdac1d4aa0
| [   58.498528][  T983] softirqs last disabled at (32594): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   58.498530][  T983] Preemption disabled at:
| [   58.498531][  T983] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.498541][  T983] Tainted: [W]=WARN
[   58.498542][  T983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.498544][  T983] Call Trace:
[   58.498545][  T983]  <TASK>
[   58.498547][  T983]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.498553][  T983]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.498555][  T983]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.498560][  T983]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.498564][  T983]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.498570][  T983]  __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))
[   58.498572][  T983]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.498578][  T983]  ? 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)
[   58.498580][  T983]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.498584][  T983]  put_chars (drivers/char/virtio_console.c:1176)
[   58.498587][  T983]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.498593][  T983]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.498601][  T983]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.498605][  T983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.498611][  T983]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.498616][  T983]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.498618][  T983]  ? 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))
[   58.498621][  T983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.498625][  T983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.498629][  T983]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.498633][  T983]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.498635][  T983]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.498640][  T983]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.498643][  T983]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.498645][  T983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.498647][  T983]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.498651][  T983]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.498653][  T983]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.498656][  T983]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.498660][  T983]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.498664][  T983]  ? __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)
[   58.498666][  T983]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.498668][  T983]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.498671][  T983]  _printk (kernel/printk/printk.c:2504)
[   58.498675][  T983]  ? snapshot_read.cold (user.c:?)
[   58.498679][  T983]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   58.498694][  T983]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   58.498698][  T983] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   58.498709][  T983] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   58.498717][  T983] new_nbp (net/bridge/br_if.c:449) bridge
[   58.498727][  T983] br_add_if (net/bridge/br_if.c:592) bridge
[   58.498736][  T983]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   58.498742][  T983]  do_set_master (net/core/rtnetlink.c:3071)
[   58.498747][  T983]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   58.498754][  T983]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   58.498757][  T983]  ? __dev_get_by_name (net/core/dev.c:905)
[   58.498760][  T983]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   58.498770][  T983]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   58.498777][  T983]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.498782][  T983]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.498784][  T983]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.498791][  T983]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.498795][  T983]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.498797][  T983]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.498800][  T983]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.498802][  T983]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.498806][  T983]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.498808][  T983]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.498812][  T983]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.498815][  T983]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.498818][  T983]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.498824][  T983]  ? 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))
[   58.498826][  T983]  ? 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))
[   58.498830][  T983]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.498834][  T983]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.498837][  T983]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.498841][  T983]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.498845][  T983]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.498849][  T983]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.498855][  T983]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.498859][  T983]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.498861][  T983]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.498863][  T983]  ? move_addr_to_kernel (net/socket.c:258)
[   58.498867][  T983]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   58.498869][  T983]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   58.498875][  T983]  ___sys_sendmsg (net/socket.c:2767)
[   58.498878][  T983]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.498899][  T983]  __sys_sendmsg (net/socket.c:2799)
[   58.498903][  T983]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.498909][  T983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.498912][  T983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.498917][  T983]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.498919][  T983]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.498923][  T983]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.498925][  T983] RIP: 0033:0x7fa62606f54e
[   58.498929][  T983] 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
[   58.498931][  T983] RSP: 002b:00007ffe523fc440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.498934][  T983] RAX: ffffffffffffffda RBX: 00007ffe523fcbf8 RCX: 00007fa62606f54e
[   58.498936][  T983] RDX: 0000000000000000 RSI: 00007ffe523fc4f0 RDI: 0000000000000005
[   58.498942][  T983] RBP: 00007ffe523fc450 R08: 0000000000000000 R09: 0000000000000000
[   58.498943][  T983] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afde
[   58.498944][  T983] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe523fcbb0
| [   66.046085][ T1160] softirqs last disabled at (12184): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   66.046087][ T1160] Preemption disabled at:
| [   66.046088][ T1160] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.046098][ T1160] Tainted: [W]=WARN
[   66.046099][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.046101][ T1160] Call Trace:
[   66.046102][ T1160]  <TASK>
[   66.046104][ T1160]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.046109][ T1160]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.046112][ T1160]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.046116][ T1160]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.046120][ T1160]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.046126][ T1160]  __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))
[   66.046128][ T1160]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.046133][ T1160]  ? 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)
[   66.046136][ T1160]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.046139][ T1160]  put_chars (drivers/char/virtio_console.c:1176)
[   66.046142][ T1160]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.046143][ T1160]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   66.046147][ T1160]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   66.046151][ T1160]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.046154][ T1160]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.046155][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.046157][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.046161][ T1160]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.046162][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.046166][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.046170][ T1160]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.046174][ T1160]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.046176][ T1160]  ? 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))
[   66.046179][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.046183][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.046187][ T1160]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.046191][ T1160]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.046193][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.046198][ T1160]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.046200][ T1160]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.046202][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.046204][ T1160]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.046208][ T1160]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.046210][ T1160]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.046213][ T1160]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.046216][ T1160]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.046222][ T1160]  _printk (kernel/printk/printk.c:2504)
[   66.046226][ T1160]  ? snapshot_read.cold (user.c:?)
[   66.046228][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.046230][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.046232][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.046234][ T1160]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.046238][ T1160]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.046241][ T1160]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.046245][ T1160]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.046247][ T1160]  ? netdev_notice (net/core/dev.c:13194)
[   66.046248][ T1160]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.046264][ T1160]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.046271][ T1160]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.046274][ T1160] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   66.046288][ T1160]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.046293][ T1160] br_dev_delete (net/bridge/br_if.c:387) bridge
[   66.046301][ T1160]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   66.046304][ T1160]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.046306][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.046307][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.046309][ T1160]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.046331][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.046333][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.046336][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.046338][ T1160]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.046340][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.046344][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.046346][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.046348][ T1160]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.046350][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.046354][ T1160]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.046357][ T1160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.046360][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.046361][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.046365][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.046367][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.046371][ T1160]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.046374][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.046376][ T1160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.046382][ T1160]  ? 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))
[   66.046384][ T1160]  ? 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))
[   66.046388][ T1160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.046392][ T1160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.046394][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.046398][ T1160]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.046402][ T1160]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.046406][ T1160]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   66.046411][ T1160]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.046415][ T1160]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.046417][ T1160]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   66.046419][ T1160]  ? move_addr_to_kernel (net/socket.c:258)
[   66.046426][ T1160]  ___sys_sendmsg (net/socket.c:2767)
[   66.046429][ T1160]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.046444][ T1160]  __sys_sendmsg (net/socket.c:2799)
[   66.046447][ T1160]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.046453][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.046457][ T1160]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.046459][ T1160]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.046462][ T1160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.046465][ T1160] RIP: 0033:0x7f3ae593b54e
[   66.046468][ T1160] 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
[   66.046470][ T1160] RSP: 002b:00007fff12eab2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.046473][ T1160] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3ae593b54e
[   66.046474][ T1160] RDX: 0000000000000000 RSI: 00007fff12eab3a0 RDI: 0000000000000005
[   66.046475][ T1160] RBP: 00007fff12eab300 R08: 0000000000000000 R09: 0000000000000000
[   66.046476][ T1160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afe6
[   66.046476][ T1160] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff12eaba60
| [   68.732722][ T1197] softirqs last disabled at (18988): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   68.732725][ T1197] Preemption disabled at:
| [   68.732725][ T1197] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.732739][ T1197] Tainted: [W]=WARN
[   68.732740][ T1197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.732742][ T1197] Call Trace:
[   68.732743][ T1197]  <TASK>
[   68.732745][ T1197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.732751][ T1197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.732753][ T1197]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.732758][ T1197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.732763][ T1197]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.732768][ T1197]  __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))
[   68.732770][ T1197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.732776][ T1197]  ? 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)
[   68.732779][ T1197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.732782][ T1197]  put_chars (drivers/char/virtio_console.c:1176)
[   68.732785][ T1197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.732788][ T1197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.732792][ T1197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.732795][ T1197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.732799][ T1197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.732801][ T1197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.732803][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.732805][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.732809][ T1197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.732810][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.732814][ T1197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.732818][ T1197]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.732822][ T1197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.732824][ T1197]  ? 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))
[   68.732828][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.732830][ T1197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.732834][ T1197]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.732838][ T1197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.732840][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.732845][ T1197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.732848][ T1197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.732850][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.732852][ T1197]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.732856][ T1197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.732858][ T1197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.732861][ T1197]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.732865][ T1197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.732871][ T1197]  _printk (kernel/printk/printk.c:2504)
[   68.732875][ T1197]  ? snapshot_read.cold (user.c:?)
[   68.732877][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.732879][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.732881][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.732883][ T1197]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.732887][ T1197]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.732891][ T1197]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.732894][ T1197]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.732897][ T1197]  ? netdev_notice (net/core/dev.c:13194)
[   68.732898][ T1197]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.732908][ T1197]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   68.732913][ T1197]  dev_set_allmulti (net/core/dev_api.c:315)
[   68.732916][ T1197] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   68.732930][ T1197]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.732935][ T1197] br_dev_delete (net/bridge/br_if.c:387) bridge
[   68.732945][ T1197]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   68.732947][ T1197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.732949][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.732950][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.732953][ T1197]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.732981][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.732983][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.732986][ T1197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.732988][ T1197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.732990][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.732994][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.732996][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.732998][ T1197]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.733001][ T1197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.733004][ T1197]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.733007][ T1197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.733011][ T1197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.733012][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.733016][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.733018][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.733022][ T1197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.733025][ T1197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.733028][ T1197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.733034][ T1197]  ? 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))
[   68.733036][ T1197]  ? 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))
[   68.733040][ T1197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.733044][ T1197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.733046][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.733050][ T1197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.733054][ T1197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.733058][ T1197]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   68.733064][ T1197]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.733067][ T1197]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.733070][ T1197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.733071][ T1197]  ? move_addr_to_kernel (net/socket.c:258)
[   68.733079][ T1197]  ___sys_sendmsg (net/socket.c:2767)
[   68.733081][ T1197]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.733097][ T1197]  __sys_sendmsg (net/socket.c:2799)
[   68.733100][ T1197]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.733107][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.733110][ T1197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.733113][ T1197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.733116][ T1197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.733119][ T1197] RIP: 0033:0x7fb57c37f54e
[   68.733122][ T1197] 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
[   68.733124][ T1197] RSP: 002b:00007ffef2925f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.733127][ T1197] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb57c37f54e
[   68.733128][ T1197] RDX: 0000000000000000 RSI: 00007ffef2926010 RDI: 0000000000000005
[   68.733129][ T1197] RBP: 00007ffef2925f70 R08: 0000000000000000 R09: 0000000000000000
[   68.733130][ T1197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afe9
[   68.733131][ T1197] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef29266d0
| [   70.522829][    C3] softirqs last disabled at (2966299): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   70.522831][    C3] Preemption disabled at:
| [   70.522832][    C3] 0x0
| [   70.522843][    C3] Tainted: [W]=WARN
[   70.522844][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.522845][    C3] Call Trace:
[   70.522847][    C3]  <IRQ>
[   70.522849][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.522854][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.522858][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.522862][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   70.522865][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.522869][    C3]  __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))
[   70.522871][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.522874][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.522878][    C3]  ? 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)
[   70.522879][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.522881][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   70.522883][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.522885][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   70.522888][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.522892][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.522893][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.522895][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.522897][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.522900][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.522902][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.522903][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.522905][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.522907][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   70.522909][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.522911][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.522914][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.522916][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.522917][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.522919][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.522921][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.522922][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   70.522924][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.522926][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.522928][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.522931][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.522933][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.522945][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.522947][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.522953][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.522959][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   70.522968][    C3]  _printk (kernel/printk/printk.c:2504)
[   70.522971][    C3]  ? snapshot_read.cold (user.c:?)
[   70.522973][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   70.522977][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.522979][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   70.522981][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   70.522983][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   70.522986][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   70.522988][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   70.522990][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   70.522992][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.522994][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.523001][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.523003][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.523005][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   70.523011][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   70.523013][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.523020][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.523027][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   70.523034][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   70.523037][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   70.523039][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   70.523042][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.523044][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.523046][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.523048][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   70.523050][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   70.523057][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   70.523059][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.523062][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.523064][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   70.523066][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   70.523068][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   70.523070][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.523072][    C3]  handle_softirqs (kernel/softirq.c:645)
[   70.523074][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.523076][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   70.523078][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   70.523079][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   70.523081][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   70.523084][    C3]  </IRQ>
[   70.523084][    C3]  <TASK>
[   70.523085][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   70.523087][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   70.523089][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   70.523092][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   70.523094][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   70.523097][    C3] RAX: 00000000002d4319 RBX: ff11000001c88040 RCX: ffffffff9c6f0307
[   70.523099][    C3] RDX: ff11000001c88040 RSI: ffffffff9f438af6 RDI: ffffffff9ee8d8e0
[   70.523100][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   70.523101][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   70.523102][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   70.523104][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   70.523108][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   70.523111][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   70.523114][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   70.523116][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   70.523118][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   70.523122][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.523125][    C3]  do_idle (kernel/sched/idle.c:355)
[   70.523127][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   70.523130][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   70.523132][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   70.523135][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   70.579370][    C3]
| [   70.579440][    C3]
| [   70.579440][    C3] stack backtrace:
| [   70.579665][    C3] Tainted: [W]=WARN
[   70.579666][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.579668][    C3] Call Trace:
[   70.579669][    C3]  <IRQ>
[   70.579670][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.579674][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   70.579678][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   70.579681][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   70.579682][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   70.579684][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   70.579686][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.579688][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.579695][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.579698][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.579700][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   70.579707][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   70.579708][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.579715][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   70.579721][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   70.579727][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   70.579729][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   70.579731][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   70.579735][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.579737][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.579739][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.579741][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   70.579743][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   70.579750][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   70.579752][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.579754][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.579757][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   70.579759][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   70.579761][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   70.579763][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.579765][    C3]  handle_softirqs (kernel/softirq.c:645)
[   70.579767][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.579768][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   70.579770][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   70.579772][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   70.579773][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   70.579775][    C3]  </IRQ>
[   70.579776][    C3]  <TASK>
[   70.579776][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   70.579778][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   70.579780][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   70.579782][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   70.579784][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   70.579787][    C3] RAX: 00000000002d4319 RBX: ff11000001c88040 RCX: ffffffff9c6f0307
[   70.579788][    C3] RDX: ff11000001c88040 RSI: ffffffff9f438af6 RDI: ffffffff9ee8d8e0
[   70.579789][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   70.579790][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   70.579790][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   70.579792][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   70.579794][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   70.579796][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   70.579798][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   70.579799][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   70.579801][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   70.579803][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.579805][    C3]  do_idle (kernel/sched/idle.c:355)
[   70.579806][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   70.579808][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   70.579809][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   70.579811][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   71.539309][ T1257] softirqs last disabled at (0): 0x0
| [   71.539311][ T1257] Preemption disabled at:
| [   71.539312][ T1257] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.539323][ T1257] Tainted: [W]=WARN
[   71.539324][ T1257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.539325][ T1257] Call Trace:
[   71.539327][ T1257]  <TASK>
[   71.539328][ T1257]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.539333][ T1257]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.539335][ T1257]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.539339][ T1257]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.539343][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539346][ T1257]  __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))
[   71.539350][ T1257]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.539353][ T1257]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.539357][ T1257]  ? 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)
[   71.539358][ T1257]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.539360][ T1257]  put_chars (drivers/char/virtio_console.c:1176)
[   71.539362][ T1257]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.539363][ T1257]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   71.539365][ T1257]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   71.539368][ T1257]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.539372][ T1257]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.539373][ T1257]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.539375][ T1257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.539377][ T1257]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.539379][ T1257]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.539381][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539383][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539385][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539387][ T1257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.539389][ T1257]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   71.539390][ T1257]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.539393][ T1257]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.539396][ T1257]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.539397][ T1257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.539399][ T1257]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.539401][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539402][ T1257]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.539404][ T1257]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   71.539405][ T1257]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   71.539407][ T1257]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.539409][ T1257]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.539412][ T1257]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.539414][ T1257]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.539416][ T1257]  ? __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)
[   71.539419][ T1257]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   71.539420][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539423][ T1257]  _printk (kernel/printk/printk.c:2504)
[   71.539426][ T1257]  ? snapshot_read.cold (user.c:?)
[   71.539427][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539429][ T1257]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.539431][ T1257]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   71.539433][ T1257] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   71.539446][ T1257] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   71.539454][ T1257] new_nbp (net/bridge/br_if.c:449) bridge
[   71.539463][ T1257] br_add_if (net/bridge/br_if.c:592) bridge
[   71.539471][ T1257]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   71.539473][ T1257]  do_set_master (net/core/rtnetlink.c:3071)
[   71.539478][ T1257]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   71.539480][ T1257]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   71.539481][ T1257]  ? __dev_get_by_name (net/core/dev.c:905)
[   71.539483][ T1257]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   71.539487][ T1257]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   71.539490][ T1257]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.539492][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539494][ T1257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.539495][ T1257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.539496][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539498][ T1257]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   71.539502][ T1257]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   71.539504][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539506][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539507][ T1257]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   71.539511][ T1257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.539513][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539514][ T1257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.539516][ T1257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.539517][ T1257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.539519][ T1257]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   71.539521][ T1257]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   71.539525][ T1257]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   71.539528][ T1257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.539530][ T1257]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.539531][ T1257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.539533][ T1257]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   71.539535][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539537][ T1257]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.539539][ T1257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.539541][ T1257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.539542][ T1257]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   71.539545][ T1257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.539547][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539549][ T1257]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   71.539551][ T1257]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   71.539553][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539555][ T1257]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.539557][ T1257]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   71.539559][ T1257]  ? copy_msghdr_from_user (net/socket.c:2650)
[   71.539561][ T1257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   71.539563][ T1257]  ? move_addr_to_kernel (net/socket.c:258)
[   71.539565][ T1257]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   71.539568][ T1257]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   71.539571][ T1257]  ___sys_sendmsg (net/socket.c:2767)
[   71.539573][ T1257]  ? copy_msghdr_from_user (net/socket.c:2619)
[   71.539578][ T1257]  __sys_sendmsg (net/socket.c:2799)
[   71.539580][ T1257]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   71.539583][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539584][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539587][ T1257]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   71.539589][ T1257]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   71.539591][ T1257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.539593][ T1257] RIP: 0033:0x7fd8feede54e
[   71.539595][ T1257] 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
[   71.539597][ T1257] RSP: 002b:00007ffe7ac7e890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.539601][ T1257] RAX: ffffffffffffffda RBX: 00007ffe7ac7f048 RCX: 00007fd8feede54e
[   71.539602][ T1257] RDX: 0000000000000000 RSI: 00007ffe7ac7e940 RDI: 0000000000000005
[   71.539603][ T1257] RBP: 00007ffe7ac7e8a0 R08: 0000000000000000 R09: 0000000000000000
[   71.539604][ T1257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afeb
[   71.539605][ T1257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7ac7f000
| [   72.558204][ T1322] softirqs last disabled at (0): 0x0
| [   72.558205][ T1322] Preemption disabled at:
| [   72.558206][ T1322] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.558218][ T1322] Tainted: [W]=WARN
[   72.558219][ T1322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.558220][ T1322] Call Trace:
[   72.558222][ T1322]  <TASK>
[   72.558223][ T1322]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.558229][ T1322]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.558231][ T1322]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.558235][ T1322]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.558238][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558242][ T1322]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   72.558246][ T1322]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.558248][ T1322]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.558252][ T1322]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.558254][ T1322]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.558256][ T1322]  put_chars (drivers/char/virtio_console.c:1176)
[   72.558258][ T1322]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.558259][ T1322]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   72.558261][ T1322]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   72.558264][ T1322]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.558268][ T1322]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.558269][ T1322]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.558270][ T1322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.558273][ T1322]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.558275][ T1322]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.558277][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558279][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558281][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558282][ T1322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.558284][ T1322]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.558286][ T1322]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.558288][ T1322]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.558291][ T1322]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.558293][ T1322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.558294][ T1322]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.558296][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558297][ T1322]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.558299][ T1322]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.558300][ T1322]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   72.558302][ T1322]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.558304][ T1322]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.558306][ T1322]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.558309][ T1322]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.558311][ T1322]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   72.558314][ T1322]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.558315][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558317][ T1322]  _printk (kernel/printk/printk.c:2504)
[   72.558321][ T1322]  ? snapshot_read.cold (user.c:?)
[   72.558323][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558324][ T1322]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.558326][ T1322]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   72.558328][ T1322] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   72.558341][ T1322] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   72.558349][ T1322] new_nbp (net/bridge/br_if.c:449) bridge
[   72.558358][ T1322] br_add_if (net/bridge/br_if.c:592) bridge
[   72.558365][ T1322]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.558368][ T1322]  do_set_master (net/core/rtnetlink.c:3071)
[   72.558372][ T1322]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   72.558374][ T1322]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   72.558376][ T1322]  ? __dev_get_by_name (net/core/dev.c:905)
[   72.558378][ T1322]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   72.558382][ T1322]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   72.558384][ T1322]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.558386][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558388][ T1322]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.558389][ T1322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.558391][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558393][ T1322]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.558396][ T1322]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.558399][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558400][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558402][ T1322]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   72.558406][ T1322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.558407][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558409][ T1322]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.558410][ T1322]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.558412][ T1322]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.558413][ T1322]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.558416][ T1322]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.558420][ T1322]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.558423][ T1322]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.558424][ T1322]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.558426][ T1322]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.558427][ T1322]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   72.558429][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558431][ T1322]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.558433][ T1322]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.558435][ T1322]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.558437][ T1322]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[   72.558440][ T1322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.558441][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558444][ T1322]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.558446][ T1322]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.558447][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558449][ T1322]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.558451][ T1322]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.558454][ T1322]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.558456][ T1322]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.558457][ T1322]  ? move_addr_to_kernel (net/socket.c:258)
[   72.558459][ T1322]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   72.558462][ T1322]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   72.558465][ T1322]  ___sys_sendmsg (net/socket.c:2767)
[   72.558467][ T1322]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.558472][ T1322]  __sys_sendmsg (net/socket.c:2799)
[   72.558474][ T1322]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.558477][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558479][ T1322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.558481][ T1322]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.558483][ T1322]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.558485][ T1322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.558487][ T1322] RIP: 0033:0x7fde9c78b54e
[   72.558489][ T1322] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   72.558491][ T1322] RSP: 002b:00007ffcef1b3800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.558495][ T1322] RAX: ffffffffffffffda RBX: 00007ffcef1b3fb8 RCX: 00007fde9c78b54e
[   72.558496][ T1322] RDX: 0000000000000000 RSI: 00007ffcef1b38b0 RDI: 0000000000000005
[   72.558497][ T1322] RBP: 00007ffcef1b3810 R08: 0000000000000000 R09: 0000000000000000
[   72.558498][ T1322] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afed
[   72.558499][ T1322] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcef1b3f70
| [  119.285449][T17898] softirqs last disabled at (0): 0x0
| [  119.285451][T17898] Preemption disabled at:
| [  119.285452][T17898] vprintk_emit (kernel/printk/printk.c:2471)
| [  119.285464][T17898] Tainted: [W]=WARN
[  119.285465][T17898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.285466][T17898] Call Trace:
[  119.285468][T17898]  <TASK>
[  119.285469][T17898]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  119.285474][T17898]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  119.285476][T17898]  __might_resched.cold (kernel/sched/core.c:9234)
[  119.285480][T17898]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  119.285484][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285488][T17898]  __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))
[  119.285492][T17898]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.285494][T17898]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.285498][T17898]  ? 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)
[  119.285500][T17898]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.285502][T17898]  put_chars (drivers/char/virtio_console.c:1176)
[  119.285504][T17898]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  119.285505][T17898]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  119.285508][T17898]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  119.285511][T17898]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  119.285513][T17898]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.285515][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285516][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.285519][T17898]  console_emit_next_record (kernel/printk/printk.c:3183)
[  119.285521][T17898]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  119.285523][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285525][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285527][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285528][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.285530][T17898]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  119.285532][T17898]  console_flush_one_record (kernel/printk/printk.c:3268)
[  119.285534][T17898]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  119.285537][T17898]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  119.285539][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.285540][T17898]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  119.285542][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285543][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.285545][T17898]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  119.285546][T17898]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  119.285548][T17898]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  119.285550][T17898]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  119.285552][T17898]  vprintk_emit (kernel/printk/printk.c:2479)
[  119.285555][T17898]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  119.285557][T17898]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.285560][T17898]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  119.285563][T17898]  ? ___sys_sendmsg (net/socket.c:2767)
[  119.285564][T17898]  ? __sys_sendmsg (net/socket.c:2799)
[  119.285566][T17898]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.285569][T17898]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.285571][T17898]  _printk (kernel/printk/printk.c:2504)
[  119.285574][T17898]  ? snapshot_read.cold (user.c:?)
[  119.285576][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285578][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285580][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285581][T17898]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  119.285584][T17898]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  119.285587][T17898]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  119.285589][T17898]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  119.285591][T17898]  ? netdev_notice (net/core/dev.c:13194)
[  119.285592][T17898]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  119.285596][T17898]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  119.285597][T17898]  ? trace_contention_end (./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/lock.h:121)
[  119.285599][T17898]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  119.285602][T17898]  dev_set_allmulti (net/core/dev_api.c:315)
[  119.285604][T17898] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  119.285617][T17898]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  119.285620][T17898] br_dev_delete (net/bridge/br_if.c:387) bridge
[  119.285628][T17898]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  119.285631][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.285633][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285634][T17898]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  119.285636][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285643][T17898]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  119.285646][T17898]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.285647][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285649][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285651][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.285652][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285654][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.285655][T17898]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  119.285659][T17898]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  119.285661][T17898]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  119.285663][T17898]  ? __kernel_text_address (kernel/extable.c:79)
[  119.285664][T17898]  ? write_profile (profile.c:?)
[  119.285667][T17898]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  119.285668][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285670][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285671][T17898]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  119.285675][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.285676][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285678][T17898]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  119.285680][T17898]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  119.285682][T17898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.285683][T17898]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.285685][T17898]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  119.285689][T17898]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  119.285690][T17898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.285692][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.285693][T17898]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  119.285694][T17898]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  119.285697][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285699][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.285701][T17898]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.285703][T17898]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  119.285704][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285706][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285708][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.285709][T17898]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  119.285711][T17898]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  119.285713][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285715][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.285717][T17898]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  119.285718][T17898]  ? copy_msghdr_from_user (net/socket.c:2650)
[  119.285720][T17898]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  119.285722][T17898]  ? move_addr_to_kernel (net/socket.c:258)
[  119.285723][T17898]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.285726][T17898]  ___sys_sendmsg (net/socket.c:2767)
[  119.285727][T17898]  ? copy_msghdr_from_user (net/socket.c:2619)
[  119.285735][T17898]  __sys_sendmsg (net/socket.c:2799)
[  119.285737][T17898]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  119.285740][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.285742][T17898]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.285743][T17898]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  119.285745][T17898]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.285747][T17898] RIP: 0033:0x7fc47eb6354e
[  119.285748][T17898] 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
[  119.285750][T17898] RSP: 002b:00007ffe7ccfef80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  119.285754][T17898] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc47eb6354e
[  119.285756][T17898] RDX: 0000000000000000 RSI: 00007ffe7ccff030 RDI: 0000000000000005
[  119.285757][T17898] RBP: 00007ffe7ccfef90 R08: 0000000000000000 R09: 0000000000000000
[  119.285758][T17898] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b01b
[  119.285758][T17898] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7ccff6f0
| [  121.161089][T17935] softirqs last disabled at (0): 0x0
| [  121.161091][T17935] Preemption disabled at:
| [  121.161092][T17935] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.161103][T17935] Tainted: [W]=WARN
[  121.161104][T17935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.161106][T17935] Call Trace:
[  121.161107][T17935]  <TASK>
[  121.161108][T17935]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.161113][T17935]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.161115][T17935]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.161119][T17935]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.161122][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161126][T17935]  __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))
[  121.161130][T17935]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.161132][T17935]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.161136][T17935]  ? 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)
[  121.161138][T17935]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.161139][T17935]  put_chars (drivers/char/virtio_console.c:1176)
[  121.161141][T17935]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.161143][T17935]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  121.161146][T17935]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.161149][T17935]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.161151][T17935]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.161152][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161154][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.161156][T17935]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.161159][T17935]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.161160][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161162][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161164][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161165][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.161167][T17935]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  121.161169][T17935]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.161172][T17935]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.161174][T17935]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.161176][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.161177][T17935]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.161179][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161180][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.161182][T17935]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  121.161183][T17935]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  121.161185][T17935]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.161187][T17935]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.161189][T17935]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.161191][T17935]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.161193][T17935]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.161196][T17935]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.161199][T17935]  ? ___sys_sendmsg (net/socket.c:2767)
[  121.161201][T17935]  ? __sys_sendmsg (net/socket.c:2799)
[  121.161202][T17935]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.161205][T17935]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.161207][T17935]  _printk (kernel/printk/printk.c:2504)
[  121.161210][T17935]  ? snapshot_read.cold (user.c:?)
[  121.161212][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161214][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161215][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161217][T17935]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  121.161220][T17935]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  121.161223][T17935]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  121.161224][T17935]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  121.161226][T17935]  ? netdev_notice (net/core/dev.c:13194)
[  121.161227][T17935]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  121.161230][T17935]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  121.161232][T17935]  ? trace_contention_end (./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/lock.h:121)
[  121.161234][T17935]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  121.161236][T17935]  dev_set_allmulti (net/core/dev_api.c:315)
[  121.161239][T17935] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  121.161251][T17935]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  121.161254][T17935] br_dev_delete (net/bridge/br_if.c:387) bridge
[  121.161261][T17935]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  121.161264][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.161266][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161268][T17935]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  121.161270][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161276][T17935]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  121.161278][T17935]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.161280][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161281][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161283][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.161285][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161286][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.161288][T17935]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  121.161291][T17935]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  121.161293][T17935]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  121.161295][T17935]  ? __kernel_text_address (kernel/extable.c:79)
[  121.161297][T17935]  ? write_profile (profile.c:?)
[  121.161299][T17935]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  121.161300][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161302][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161303][T17935]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  121.161307][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.161308][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161310][T17935]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  121.161312][T17935]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  121.161314][T17935]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.161315][T17935]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.161317][T17935]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  121.161321][T17935]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.161322][T17935]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.161323][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.161325][T17935]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  121.161326][T17935]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  121.161329][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161330][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.161332][T17935]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.161334][T17935]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  121.161336][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161337][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161339][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.161341][T17935]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.161343][T17935]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  121.161344][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161346][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.161348][T17935]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.161349][T17935]  ? copy_msghdr_from_user (net/socket.c:2650)
[  121.161351][T17935]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  121.161353][T17935]  ? move_addr_to_kernel (net/socket.c:258)
[  121.161354][T17935]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.161357][T17935]  ___sys_sendmsg (net/socket.c:2767)
[  121.161358][T17935]  ? copy_msghdr_from_user (net/socket.c:2619)
[  121.161363][T17935]  __sys_sendmsg (net/socket.c:2799)
[  121.161365][T17935]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  121.161368][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.161370][T17935]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.161371][T17935]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.161373][T17935]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.161375][T17935] RIP: 0033:0x7f8a4683a54e
[  121.161377][T17935] 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
[  121.161379][T17935] RSP: 002b:00007fffe290cb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  121.161382][T17935] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8a4683a54e
[  121.161384][T17935] RDX: 0000000000000000 RSI: 00007fffe290cc00 RDI: 0000000000000005
[  121.161384][T17935] RBP: 00007fffe290cb60 R08: 0000000000000000 R09: 0000000000000000
[  121.161385][T17935] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b01d
[  121.161386][T17935] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe290d2c0
| [  122.986014][T17974] softirqs last disabled at (0): 0x0
| [  122.986016][T17974] Preemption disabled at:
| [  122.986017][T17974] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.986029][T17974] Tainted: [W]=WARN
[  122.986030][T17974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.986032][T17974] Call Trace:
[  122.986033][T17974]  <TASK>
[  122.986035][T17974]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.986041][T17974]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.986043][T17974]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.986047][T17974]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.986051][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986055][T17974]  __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))
[  122.986059][T17974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.986062][T17974]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.986065][T17974]  ? 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)
[  122.986067][T17974]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.986069][T17974]  put_chars (drivers/char/virtio_console.c:1176)
[  122.986071][T17974]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.986073][T17974]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  122.986075][T17974]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  122.986082][T17974]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.986086][T17974]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.986087][T17974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.986089][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986092][T17974]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.986095][T17974]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.986097][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986099][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986100][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986102][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986104][T17974]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.986106][T17974]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.986109][T17974]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.986112][T17974]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.986114][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986115][T17974]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.986117][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986119][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986121][T17974]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  122.986122][T17974]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  122.986125][T17974]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.986127][T17974]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.986129][T17974]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.986132][T17974]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.986134][T17974]  ? __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)
[  122.986137][T17974]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  122.986138][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986140][T17974]  _printk (kernel/printk/printk.c:2504)
[  122.986144][T17974]  ? snapshot_read.cold (user.c:?)
[  122.986145][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986147][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986149][T17974]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  122.986151][T17974] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  122.986164][T17974] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  122.986173][T17974] new_nbp (net/bridge/br_if.c:449) bridge
[  122.986182][T17974] br_add_if (net/bridge/br_if.c:592) bridge
[  122.986190][T17974]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  122.986192][T17974]  do_set_master (net/core/rtnetlink.c:3071)
[  122.986197][T17974]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  122.986199][T17974]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  122.986200][T17974]  ? __dev_get_by_name (net/core/dev.c:905)
[  122.986202][T17974]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  122.986206][T17974]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  122.986209][T17974]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  122.986211][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986213][T17974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.986214][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986216][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986218][T17974]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  122.986221][T17974]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  122.986224][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986225][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986227][T17974]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.986230][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986232][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986234][T17974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.986235][T17974]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.986237][T17974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.986239][T17974]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.986241][T17974]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.986245][T17974]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.986248][T17974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.986250][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986251][T17974]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.986253][T17974]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.986255][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986257][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986259][T17974]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.986261][T17974]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.986263][T17974]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  122.986266][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986268][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986270][T17974]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.986272][T17974]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.986274][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986276][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986278][T17974]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.986281][T17974]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.986283][T17974]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  122.986284][T17974]  ? move_addr_to_kernel (net/socket.c:258)
[  122.986286][T17974]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  122.986289][T17974]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  122.986292][T17974]  ___sys_sendmsg (net/socket.c:2767)
[  122.986294][T17974]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.986300][T17974]  __sys_sendmsg (net/socket.c:2799)
[  122.986302][T17974]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.986304][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986306][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986309][T17974]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.986311][T17974]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.986313][T17974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.986315][T17974] RIP: 0033:0x7f654a83554e
[  122.986318][T17974] 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
[  122.986319][T17974] RSP: 002b:00007ffda70e0f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.986323][T17974] RAX: ffffffffffffffda RBX: 00007ffda70e16e8 RCX: 00007f654a83554e
[  122.986325][T17974] RDX: 0000000000000000 RSI: 00007ffda70e0fe0 RDI: 0000000000000005
[  122.986326][T17974] RBP: 00007ffda70e0f40 R08: 0000000000000000 R09: 0000000000000000
[  122.986327][T17974] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b01f
[  122.986328][T17974] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda70e16a0
| [  123.986604][T18036] softirqs last disabled at (0): 0x0
| [  123.986607][T18036] Preemption disabled at:
| [  123.986608][T18036] vprintk_emit (kernel/printk/printk.c:2471)
| [  123.986620][T18036] Tainted: [W]=WARN
[  123.986621][T18036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  123.986623][T18036] Call Trace:
[  123.986625][T18036]  <TASK>
[  123.986627][T18036]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  123.986632][T18036]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  123.986635][T18036]  __might_resched.cold (kernel/sched/core.c:9234)
[  123.986639][T18036]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  123.986643][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986647][T18036]  __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))
[  123.986651][T18036]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  123.986654][T18036]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.986659][T18036]  ? 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)
[  123.986661][T18036]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.986663][T18036]  put_chars (drivers/char/virtio_console.c:1176)
[  123.986665][T18036]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  123.986667][T18036]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  123.986669][T18036]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  123.986671][T18036]  ? pointer (lib/vsprintf.c:2577)
[  123.986676][T18036]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  123.986680][T18036]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  123.986681][T18036]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  123.986683][T18036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.986686][T18036]  console_emit_next_record (kernel/printk/printk.c:3183)
[  123.986689][T18036]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  123.986691][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986693][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986695][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986697][T18036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.986699][T18036]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  123.986701][T18036]  console_flush_one_record (kernel/printk/printk.c:3268)
[  123.986704][T18036]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  123.986707][T18036]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  123.986709][T18036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.986711][T18036]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  123.986712][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986714][T18036]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.986716][T18036]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  123.986718][T18036]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  123.986720][T18036]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  123.986722][T18036]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  123.986724][T18036]  vprintk_emit (kernel/printk/printk.c:2479)
[  123.986727][T18036]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  123.986732][T18036]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1)) 8021q
[  123.986736][T18036]  _printk (kernel/printk/printk.c:2504)
[  123.986740][T18036]  ? snapshot_read.cold (user.c:?)
[  123.986742][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986744][T18036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.986746][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986748][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986749][T18036]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  123.986753][T18036]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  123.986755][T18036]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  123.986756][T18036]  ? netdev_notice (net/core/dev.c:13194)
[  123.986758][T18036]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  123.986761][T18036]  ? dev_disable_lro (./include/linux/netdevice.h:2861 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:266)
[  123.986766][T18036]  ? trace_contention_end (./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/lock.h:121)
[  123.986769][T18036]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  123.986772][T18036]  netif_set_promiscuity (net/core/dev.c:9699)
[  123.986775][T18036]  dev_set_promiscuity (net/core/dev_api.c:288)
[  123.986777][T18036] br_port_set_promisc (net/bridge/br_if.c:109) bridge
[  123.986792][T18036] br_manage_promisc (net/bridge/br_if.c:175) bridge
[  123.986801][T18036] br_add_if (net/bridge/br_if.c:243 net/bridge/br_if.c:633) bridge
[  123.986812][T18036]  do_set_master (net/core/rtnetlink.c:3071)
[  123.986816][T18036]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  123.986818][T18036]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  123.986819][T18036]  ? __dev_get_by_name (net/core/dev.c:905)
[  123.986821][T18036]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  123.986826][T18036]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  123.986828][T18036]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  123.986831][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986833][T18036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.986834][T18036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.986836][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986839][T18036]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  123.986842][T18036]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  123.986845][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986847][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986848][T18036]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  123.986852][T18036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.986854][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986856][T18036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.986858][T18036]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  123.986860][T18036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.986861][T18036]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  123.986864][T18036]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  123.986868][T18036]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  123.986871][T18036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.986872][T18036]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.986874][T18036]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  123.986876][T18036]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  123.986879][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986881][T18036]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.986883][T18036]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  123.986885][T18036]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  123.986887][T18036]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  123.986890][T18036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.986892][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986895][T18036]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  123.986897][T18036]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  123.986899][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986902][T18036]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.986904][T18036]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  123.986907][T18036]  ? copy_msghdr_from_user (net/socket.c:2650)
[  123.986909][T18036]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  123.986911][T18036]  ? move_addr_to_kernel (net/socket.c:258)
[  123.986913][T18036]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  123.986916][T18036]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  123.986919][T18036]  ___sys_sendmsg (net/socket.c:2767)
[  123.986921][T18036]  ? copy_msghdr_from_user (net/socket.c:2619)
[  123.986927][T18036]  __sys_sendmsg (net/socket.c:2799)
[  123.986930][T18036]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  123.986933][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986935][T18036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.986938][T18036]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  123.986941][T18036]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  123.986943][T18036]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  123.986945][T18036] RIP: 0033:0x7fb6bfa2e54e
[  123.986948][T18036] 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
[  123.986950][T18036] RSP: 002b:00007ffeb77a1e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  123.986954][T18036] RAX: ffffffffffffffda RBX: 00007ffeb77a25f8 RCX: 00007fb6bfa2e54e
[  123.986956][T18036] RDX: 0000000000000000 RSI: 00007ffeb77a1ef0 RDI: 0000000000000005
[  123.986957][T18036] RBP: 00007ffeb77a1e50 R08: 0000000000000000 R09: 0000000000000000
[  123.986958][T18036] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b020
[  123.986959][T18036] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb77a25b0
| [  125.001001][T18101] softirqs last disabled at (0): 0x0
| [  125.001003][T18101] Preemption disabled at:
| [  125.001004][T18101] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.001015][T18101] Tainted: [W]=WARN
[  125.001016][T18101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.001018][T18101] Call Trace:
[  125.001019][T18101]  <TASK>
[  125.001021][T18101]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.001026][T18101]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.001028][T18101]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.001032][T18101]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.001035][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001039][T18101]  __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))
[  125.001043][T18101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.001045][T18101]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.001049][T18101]  ? 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)
[  125.001051][T18101]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.001053][T18101]  put_chars (drivers/char/virtio_console.c:1176)
[  125.001055][T18101]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.001056][T18101]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  125.001059][T18101]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  125.001061][T18101]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.001065][T18101]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.001066][T18101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.001068][T18101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.001070][T18101]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.001073][T18101]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.001075][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001077][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001078][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001087][T18101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.001089][T18101]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  125.001091][T18101]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.001093][T18101]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.001096][T18101]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.001098][T18101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.001099][T18101]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.001101][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001103][T18101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.001104][T18101]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  125.001106][T18101]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  125.001108][T18101]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.001110][T18101]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.001112][T18101]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.001115][T18101]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.001117][T18101]  ? __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)
[  125.001120][T18101]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  125.001121][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001123][T18101]  _printk (kernel/printk/printk.c:2504)
[  125.001127][T18101]  ? snapshot_read.cold (user.c:?)
[  125.001129][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001130][T18101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.001132][T18101]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  125.001134][T18101] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  125.001147][T18101] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  125.001155][T18101] new_nbp (net/bridge/br_if.c:449) bridge
[  125.001164][T18101] br_add_if (net/bridge/br_if.c:592) bridge
[  125.001172][T18101]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  125.001174][T18101]  do_set_master (net/core/rtnetlink.c:3071)
[  125.001178][T18101]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.001180][T18101]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  125.001182][T18101]  ? __dev_get_by_name (net/core/dev.c:905)
[  125.001184][T18101]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  125.001188][T18101]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.001191][T18101]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.001193][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001195][T18101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.001196][T18101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.001197][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001200][T18101]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  125.001203][T18101]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  125.001205][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001207][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001209][T18101]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  125.001212][T18101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.001214][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001216][T18101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.001217][T18101]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  125.001219][T18101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.001220][T18101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  125.001223][T18101]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  125.001227][T18101]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  125.001230][T18101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.001232][T18101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.001233][T18101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  125.001234][T18101]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  125.001237][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001239][T18101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.001241][T18101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  125.001243][T18101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  125.001245][T18101]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  125.001248][T18101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.001249][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001252][T18101]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  125.001254][T18101]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  125.001256][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001257][T18101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.001259][T18101]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  125.001262][T18101]  ? copy_msghdr_from_user (net/socket.c:2650)
[  125.001264][T18101]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  125.001266][T18101]  ? move_addr_to_kernel (net/socket.c:258)
[  125.001268][T18101]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  125.001270][T18101]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  125.001274][T18101]  ___sys_sendmsg (net/socket.c:2767)
[  125.001276][T18101]  ? copy_msghdr_from_user (net/socket.c:2619)
[  125.001281][T18101]  __sys_sendmsg (net/socket.c:2799)
[  125.001283][T18101]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  125.001286][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001288][T18101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.001290][T18101]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  125.001292][T18101]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  125.001294][T18101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.001296][T18101] RIP: 0033:0x7fb20fa5f54e
[  125.001298][T18101] 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
[  125.001300][T18101] RSP: 002b:00007fff280f8b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  125.001304][T18101] RAX: ffffffffffffffda RBX: 00007fff280f9348 RCX: 00007fb20fa5f54e
[  125.001306][T18101] RDX: 0000000000000000 RSI: 00007fff280f8c40 RDI: 0000000000000005
[  125.001307][T18101] RBP: 00007fff280f8ba0 R08: 0000000000000000 R09: 0000000000000000
[  125.001308][T18101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b021
[  125.001309][T18101] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff280f9300
| [  169.338195][ T2169] softirqs last disabled at (0): 0x0
| [  169.338197][ T2169] Preemption disabled at:
| [  169.338198][ T2169] vprintk_emit (kernel/printk/printk.c:2471)
| [  169.338210][ T2169] Tainted: [W]=WARN
[  169.338211][ T2169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  169.338213][ T2169] Call Trace:
[  169.338214][ T2169]  <TASK>
[  169.338216][ T2169]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  169.338221][ T2169]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  169.338223][ T2169]  __might_resched.cold (kernel/sched/core.c:9234)
[  169.338227][ T2169]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  169.338230][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338234][ T2169]  __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))
[  169.338238][ T2169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.338240][ T2169]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.338245][ T2169]  ? 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)
[  169.338246][ T2169]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.338248][ T2169]  put_chars (drivers/char/virtio_console.c:1176)
[  169.338251][ T2169]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  169.338252][ T2169]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  169.338255][ T2169]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  169.338258][ T2169]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  169.338260][ T2169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.338262][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338264][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.338266][ T2169]  console_emit_next_record (kernel/printk/printk.c:3183)
[  169.338269][ T2169]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  169.338271][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338272][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338274][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338276][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.338278][ T2169]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  169.338280][ T2169]  console_flush_one_record (kernel/printk/printk.c:3268)
[  169.338282][ T2169]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  169.338285][ T2169]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  169.338287][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.338288][ T2169]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  169.338290][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338292][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.338293][ T2169]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  169.338295][ T2169]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  169.338297][ T2169]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  169.338299][ T2169]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  169.338301][ T2169]  vprintk_emit (kernel/printk/printk.c:2479)
[  169.338303][ T2169]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  169.338305][ T2169]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  169.338309][ T2169]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  169.338312][ T2169]  ? ___sys_sendmsg (net/socket.c:2767)
[  169.338313][ T2169]  ? __sys_sendmsg (net/socket.c:2799)
[  169.338315][ T2169]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  169.338318][ T2169]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.338320][ T2169]  _printk (kernel/printk/printk.c:2504)
[  169.338323][ T2169]  ? snapshot_read.cold (user.c:?)
[  169.338325][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338327][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338329][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338330][ T2169]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  169.338333][ T2169]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  169.338336][ T2169]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  169.338338][ T2169]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  169.338340][ T2169]  ? netdev_notice (net/core/dev.c:13194)
[  169.338341][ T2169]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  169.338344][ T2169]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  169.338346][ T2169]  ? trace_contention_end (./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/lock.h:121)
[  169.338348][ T2169]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  169.338351][ T2169]  dev_set_allmulti (net/core/dev_api.c:315)
[  169.338354][ T2169] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  169.338367][ T2169]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  169.338370][ T2169] br_dev_delete (net/bridge/br_if.c:387) bridge
[  169.338378][ T2169]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  169.338381][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.338383][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338385][ T2169]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  169.338387][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338394][ T2169]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  169.338396][ T2169]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.338398][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338400][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338401][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.338403][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338405][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.338406][ T2169]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  169.338410][ T2169]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  169.338412][ T2169]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  169.338414][ T2169]  ? __kernel_text_address (kernel/extable.c:79)
[  169.338416][ T2169]  ? write_profile (profile.c:?)
[  169.338418][ T2169]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  169.338419][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338421][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338423][ T2169]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  169.338427][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.338428][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338430][ T2169]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  169.338432][ T2169]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  169.338434][ T2169]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  169.338436][ T2169]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  169.338437][ T2169]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  169.338441][ T2169]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  169.338443][ T2169]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  169.338444][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.338446][ T2169]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  169.338447][ T2169]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  169.338450][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338452][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.338454][ T2169]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  169.338456][ T2169]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  169.338457][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338459][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338461][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.338463][ T2169]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  169.338465][ T2169]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  169.338467][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338468][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.338470][ T2169]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  169.338472][ T2169]  ? copy_msghdr_from_user (net/socket.c:2650)
[  169.338474][ T2169]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  169.338475][ T2169]  ? move_addr_to_kernel (net/socket.c:258)
[  169.338477][ T2169]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  169.338479][ T2169]  ___sys_sendmsg (net/socket.c:2767)
[  169.338481][ T2169]  ? copy_msghdr_from_user (net/socket.c:2619)
[  169.338486][ T2169]  __sys_sendmsg (net/socket.c:2799)
[  169.338488][ T2169]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  169.338491][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.338493][ T2169]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  169.338495][ T2169]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  169.338497][ T2169]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.338498][ T2169] RIP: 0033:0x7f7c8ac0b54e
[  169.338501][ T2169] 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
[  169.338503][ T2169] RSP: 002b:00007ffcb48c9cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  169.338506][ T2169] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c8ac0b54e
[  169.338508][ T2169] RDX: 0000000000000000 RSI: 00007ffcb48c9da0 RDI: 0000000000000005
[  169.338509][ T2169] RBP: 00007ffcb48c9d00 R08: 0000000000000000 R09: 0000000000000000
[  169.338510][ T2169] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b04d
[  169.338511][ T2169] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb48ca460
| [  171.244680][ T2205] softirqs last disabled at (0): 0x0
| [  171.244682][ T2205] Preemption disabled at:
| [  171.244683][ T2205] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.244695][ T2205] Tainted: [W]=WARN
[  171.244696][ T2205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.244698][ T2205] Call Trace:
[  171.244699][ T2205]  <TASK>
[  171.244701][ T2205]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.244706][ T2205]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.244708][ T2205]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.244712][ T2205]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.244715][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244719][ T2205]  __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))
[  171.244723][ T2205]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.244725][ T2205]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.244732][ T2205]  ? 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)
[  171.244734][ T2205]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.244736][ T2205]  put_chars (drivers/char/virtio_console.c:1176)
[  171.244738][ T2205]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.244740][ T2205]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  171.244743][ T2205]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.244746][ T2205]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.244747][ T2205]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.244749][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244751][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.244753][ T2205]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.244756][ T2205]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.244758][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244759][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244761][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244763][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.244765][ T2205]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  171.244766][ T2205]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.244769][ T2205]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.244771][ T2205]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.244773][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.244774][ T2205]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.244776][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244778][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.244779][ T2205]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  171.244781][ T2205]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  171.244783][ T2205]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.244785][ T2205]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.244787][ T2205]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.244789][ T2205]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.244791][ T2205]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.244794][ T2205]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  171.244797][ T2205]  ? ___sys_sendmsg (net/socket.c:2767)
[  171.244798][ T2205]  ? __sys_sendmsg (net/socket.c:2799)
[  171.244800][ T2205]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.244803][ T2205]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.244805][ T2205]  _printk (kernel/printk/printk.c:2504)
[  171.244808][ T2205]  ? snapshot_read.cold (user.c:?)
[  171.244810][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244812][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244813][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244815][ T2205]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  171.244818][ T2205]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  171.244821][ T2205]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  171.244823][ T2205]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  171.244824][ T2205]  ? netdev_notice (net/core/dev.c:13194)
[  171.244826][ T2205]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  171.244829][ T2205]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  171.244830][ T2205]  ? trace_contention_end (./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/lock.h:121)
[  171.244832][ T2205]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  171.244835][ T2205]  dev_set_allmulti (net/core/dev_api.c:315)
[  171.244838][ T2205] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  171.244850][ T2205]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  171.244853][ T2205] br_dev_delete (net/bridge/br_if.c:387) bridge
[  171.244860][ T2205]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  171.244863][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.244865][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244866][ T2205]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  171.244868][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244875][ T2205]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  171.244877][ T2205]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.244879][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244880][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244882][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.244884][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244885][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.244887][ T2205]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  171.244890][ T2205]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  171.244892][ T2205]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  171.244895][ T2205]  ? __kernel_text_address (kernel/extable.c:79)
[  171.244896][ T2205]  ? write_profile (profile.c:?)
[  171.244899][ T2205]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  171.244900][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244902][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244903][ T2205]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  171.244907][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.244908][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244910][ T2205]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  171.244912][ T2205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.244914][ T2205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.244915][ T2205]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.244917][ T2205]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.244921][ T2205]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.244922][ T2205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.244924][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.244925][ T2205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  171.244927][ T2205]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  171.244929][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244931][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.244933][ T2205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.244935][ T2205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  171.244936][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244938][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244940][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.244941][ T2205]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.244943][ T2205]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  171.244945][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244947][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.244949][ T2205]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  171.244950][ T2205]  ? copy_msghdr_from_user (net/socket.c:2650)
[  171.244952][ T2205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  171.244953][ T2205]  ? move_addr_to_kernel (net/socket.c:258)
[  171.244955][ T2205]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.244957][ T2205]  ___sys_sendmsg (net/socket.c:2767)
[  171.244959][ T2205]  ? copy_msghdr_from_user (net/socket.c:2619)
[  171.244964][ T2205]  __sys_sendmsg (net/socket.c:2799)
[  171.244966][ T2205]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  171.244969][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.244971][ T2205]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.244972][ T2205]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  171.244974][ T2205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.244976][ T2205] RIP: 0033:0x7fa38d69e54e
[  171.244977][ T2205] 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
[  171.244979][ T2205] RSP: 002b:00007ffcf36dbfa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  171.244983][ T2205] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa38d69e54e
[  171.244985][ T2205] RDX: 0000000000000000 RSI: 00007ffcf36dc050 RDI: 0000000000000005
[  171.244985][ T2205] RBP: 00007ffcf36dbfb0 R08: 0000000000000000 R09: 0000000000000000
[  171.244986][ T2205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b04f
[  171.244987][ T2205] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf36dc710
| [  184.915855][ T2340] softirqs last disabled at (0): 0x0
| [  184.915857][ T2340] Preemption disabled at:
| [  184.915858][ T2340] vprintk_emit (kernel/printk/printk.c:2471)
| [  184.915869][ T2340] Tainted: [W]=WARN
[  184.915870][ T2340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  184.915872][ T2340] Call Trace:
[  184.915874][ T2340]  <TASK>
[  184.915875][ T2340]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  184.915880][ T2340]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  184.915882][ T2340]  __might_resched.cold (kernel/sched/core.c:9234)
[  184.915886][ T2340]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  184.915889][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.915893][ T2340]  __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))
[  184.915897][ T2340]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  184.915900][ T2340]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.915904][ T2340]  ? 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)
[  184.915906][ T2340]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.915907][ T2340]  put_chars (drivers/char/virtio_console.c:1176)
[  184.915909][ T2340]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  184.915911][ T2340]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  184.915913][ T2340]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  184.915915][ T2340]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  184.915919][ T2340]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  184.915920][ T2340]  ? 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)
[  184.915922][ T2340]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  184.915924][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.915926][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.915928][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.915930][ T2340]  console_emit_next_record (kernel/printk/printk.c:3183)
[  184.915933][ T2340]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  184.915935][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.915937][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.915938][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.915940][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.915942][ T2340]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  184.915944][ T2340]  console_flush_one_record (kernel/printk/printk.c:3268)
[  184.915946][ T2340]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  184.915949][ T2340]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  184.915951][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.915952][ T2340]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  184.915954][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.915956][ T2340]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.915957][ T2340]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  184.915959][ T2340]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  184.915961][ T2340]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  184.915963][ T2340]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  184.915965][ T2340]  vprintk_emit (kernel/printk/printk.c:2479)
[  184.915967][ T2340]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  184.915970][ T2340]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  184.915973][ T2340]  _printk (kernel/printk/printk.c:2504)
[  184.915976][ T2340]  ? snapshot_read.cold (user.c:?)
[  184.915979][ T2340]  ? 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)
[  184.915981][ T2340] gact_init_module (net/sched/act_gact.c:180) act_gact
[  184.915983][ T2340]  do_one_initcall (init/main.c:1357)
[  184.915985][ T2340]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  184.915988][ T2340]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  184.915991][ T2340]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  184.915994][ T2340]  do_init_module (kernel/module/main.c:3117)
[  184.915996][ T2340]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  184.915998][ T2340]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  184.916000][ T2340]  load_module (kernel/module/main.c:3593)
[  184.916004][ T2340]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  184.916006][ T2340]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.916008][ T2340]  ? __ia32_sys_fsconfig (??:?)
[  184.916011][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.916012][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.916014][ T2340]  init_module_from_file (kernel/module/main.c:3790)
[  184.916017][ T2340]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  184.916019][ T2340]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  184.916022][ T2340]  ? handle_pte_fault (mm/memory.c:6558)
[  184.916025][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.916027][ T2340]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  184.916029][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.916031][ T2340]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.916033][ T2340]  ? 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)
[  184.916035][ T2340]  idempotent_init_module (kernel/module/main.c:3802)
[  184.916037][ T2340]  ? init_module_from_file (kernel/module/main.c:3791)
[  184.916040][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.916041][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.916043][ T2340]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  184.916048][ T2340]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  184.916050][ T2340]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  184.916053][ T2340]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  184.916056][ T2340]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  184.916058][ T2340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  184.916060][ T2340] RIP: 0033:0x7ff1758e937d
[  184.916062][ T2340] 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
[  184.916064][ T2340] RSP: 002b:00007ffcf56d4118 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  184.916068][ T2340] RAX: ffffffffffffffda RBX: 000056157e786810 RCX: 00007ff1758e937d
[  184.916070][ T2340] RDX: 0000000000000000 RSI: 0000561548ee7ffd RDI: 0000000000000000
[  184.916071][ T2340] RBP: 00007ffcf56d41b0 R08: 0000000000000000 R09: 0000000000000000
[  184.916072][ T2340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561548ee7ffd
[  184.916073][ T2340] R13: 000056157e786960 R14: 0000000000040000 R15: 0000000000000000
| [  200.945701][ T2967] softirqs last disabled at (0): 0x0
| [  200.945703][ T2967] Preemption disabled at:
| [  200.945703][ T2967] 0x0
| [  200.945712][ T2967] Tainted: [W]=WARN
[  200.945713][ T2967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  200.945715][ T2967] Call Trace:
[  200.945716][ T2967]  <TASK>
[  200.945718][ T2967]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  200.945723][ T2967]  __might_resched.cold (kernel/sched/core.c:9234)
[  200.945727][ T2967]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  200.945733][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945737][ T2967]  __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))
[  200.945741][ T2967]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  200.945744][ T2967]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.945748][ T2967]  ? 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)
[  200.945749][ T2967]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.945751][ T2967]  put_chars (drivers/char/virtio_console.c:1176)
[  200.945753][ T2967]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  200.945755][ T2967]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  200.945758][ T2967]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  200.945762][ T2967]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  200.945764][ T2967]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  200.945766][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945767][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.945769][ T2967]  console_emit_next_record (kernel/printk/printk.c:3183)
[  200.945772][ T2967]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  200.945774][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945776][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945777][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945779][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.945781][ T2967]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  200.945783][ T2967]  console_flush_one_record (kernel/printk/printk.c:3268)
[  200.945785][ T2967]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  200.945787][ T2967]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  200.945789][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.945791][ T2967]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  200.945792][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945794][ T2967]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.945795][ T2967]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  200.945797][ T2967]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  200.945799][ T2967]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  200.945801][ T2967]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  200.945803][ T2967]  vprintk_emit (kernel/printk/printk.c:2479)
[  200.945805][ T2967]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  200.945807][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945809][ T2967]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  200.945811][ T2967]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  200.945813][ T2967]  _printk (kernel/printk/printk.c:2504)
[  200.945816][ T2967]  ? snapshot_read.cold (user.c:?)
[  200.945818][ T2967]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  200.945823][ T2967] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  200.945836][ T2967] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  200.945843][ T2967] br_device_event (net/bridge/br.c:111) bridge
[  200.945852][ T2967]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  200.945857][ T2967]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  200.945860][ T2967]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  200.945864][ T2967]  notifier_call_chain (kernel/notifier.c:85)
[  200.945869][ T2967]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  200.945873][ T2967]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  200.945876][ T2967]  ? netif_change_name (net/core/dev.c:1517)
[  200.945878][ T2967]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  200.945880][ T2967]  ? __kernel_text_address (kernel/extable.c:79)
[  200.945882][ T2967]  ? write_profile (profile.c:?)
[  200.945885][ T2967]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  200.945887][ T2967]  netif_change_flags (net/core/dev.c:9882)
[  200.945890][ T2967]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  200.945893][ T2967]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  200.945894][ T2967]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  200.945895][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945897][ T2967]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  200.945901][ T2967]  ? kasan_save_stack (mm/kasan/common.c:58)
[  200.945904][ T2967]  ? kasan_save_stack (mm/kasan/common.c:57)
[  200.945905][ T2967]  ? kasan_save_track (mm/kasan/common.c:78)
[  200.945907][ T2967]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  200.945908][ T2967]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  200.945910][ T2967]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  200.945911][ T2967]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  200.945912][ T2967]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.945915][ T2967]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.945916][ T2967]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.945917][ T2967]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  200.945920][ T2967]  ? ___sys_sendmsg (net/socket.c:2767)
[  200.945922][ T2967]  ? __sys_sendmsg (net/socket.c:2799)
[  200.945923][ T2967]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.945925][ T2967]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.945928][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945930][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.945931][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945933][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945935][ T2967]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  200.945938][ T2967]  ? __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)
[  200.945939][ T2967]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  200.945941][ T2967]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  200.945942][ T2967]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  200.945945][ T2967]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  200.945947][ T2967]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  200.945948][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945950][ T2967]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.945952][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.945953][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945955][ T2967]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  200.945958][ T2967]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  200.945960][ T2967]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  200.945962][ T2967]  ? __kernel_text_address (kernel/extable.c:79)
[  200.945963][ T2967]  ? write_profile (profile.c:?)
[  200.945964][ T2967]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  200.945965][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945967][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945969][ T2967]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  200.945972][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.945974][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945975][ T2967]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.945977][ T2967]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  200.945979][ T2967]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  200.945980][ T2967]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  200.945981][ T2967]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  200.945984][ T2967]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.945985][ T2967]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  200.945987][ T2967]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.945988][ T2967]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  200.945989][ T2967]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  200.945992][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.945994][ T2967]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.945995][ T2967]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.945997][ T2967]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  200.945999][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.946001][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.946002][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.946004][ T2967]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.946006][ T2967]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  200.946008][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.946010][ T2967]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.946012][ T2967]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  200.946013][ T2967]  ? copy_msghdr_from_user (net/socket.c:2650)
[  200.946015][ T2967]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  200.946017][ T2967]  ? move_addr_to_kernel (net/socket.c:258)
[  200.946018][ T2967]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  200.946020][ T2967]  ___sys_sendmsg (net/socket.c:2767)
[  200.946022][ T2967]  ? copy_msghdr_from_user (net/socket.c:2619)
[  200.946027][ T2967]  __sys_sendmsg (net/socket.c:2799)
[  200.946029][ T2967]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  200.946032][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.946034][ T2967]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.946035][ T2967]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  200.946037][ T2967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.946039][ T2967] RIP: 0033:0x7f42e968354e
[  200.946041][ T2967] 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
[  200.946043][ T2967] RSP: 002b:00007ffdc252a7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  200.946047][ T2967] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f42e968354e
[  200.946048][ T2967] RDX: 0000000000000000 RSI: 00007ffdc252a8a0 RDI: 0000000000000005
[  200.946049][ T2967] RBP: 00007ffdc252a800 R08: 0000000000000000 R09: 0000000000000000
[  200.946050][ T2967] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b06d
[  200.946051][ T2967] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc252af60
| [  217.247617][ T3059] softirqs last disabled at (0): 0x0
| [  217.247618][ T3059] Preemption disabled at:
| [  217.247619][ T3059] 0x0
| [  217.247628][ T3059] Tainted: [W]=WARN
[  217.247630][ T3059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.247631][ T3059] Call Trace:
[  217.247633][ T3059]  <TASK>
[  217.247634][ T3059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.247640][ T3059]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.247644][ T3059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.247647][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247651][ T3059]  __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))
[  217.247655][ T3059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.247658][ T3059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.247662][ T3059]  ? 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)
[  217.247664][ T3059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.247666][ T3059]  put_chars (drivers/char/virtio_console.c:1176)
[  217.247668][ T3059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.247670][ T3059]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  217.247673][ T3059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.247676][ T3059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.247679][ T3059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.247680][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247682][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.247684][ T3059]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.247687][ T3059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.247689][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247691][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247693][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247695][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.247696][ T3059]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  217.247698][ T3059]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.247700][ T3059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.247703][ T3059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.247705][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.247707][ T3059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.247708][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247710][ T3059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.247711][ T3059]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  217.247713][ T3059]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  217.247715][ T3059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.247717][ T3059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.247719][ T3059]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.247722][ T3059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.247723][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247725][ T3059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.247728][ T3059]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  217.247731][ T3059]  _printk (kernel/printk/printk.c:2504)
[  217.247735][ T3059]  ? snapshot_read.cold (user.c:?)
[  217.247737][ T3059]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  217.247742][ T3059] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  217.247756][ T3059] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  217.247764][ T3059] br_device_event (net/bridge/br.c:111) bridge
[  217.247773][ T3059]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  217.247777][ T3059]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  217.247779][ T3059]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  217.247783][ T3059]  notifier_call_chain (kernel/notifier.c:85)
[  217.247785][ T3059]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  217.247789][ T3059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.247791][ T3059]  ? netif_change_name (net/core/dev.c:1517)
[  217.247793][ T3059]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  217.247795][ T3059]  ? __kernel_text_address (kernel/extable.c:79)
[  217.247797][ T3059]  ? write_profile (profile.c:?)
[  217.247800][ T3059]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  217.247803][ T3059]  netif_change_flags (net/core/dev.c:9882)
[  217.247805][ T3059]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  217.247808][ T3059]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  217.247810][ T3059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  217.247811][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247813][ T3059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  217.247817][ T3059]  ? kasan_save_stack (mm/kasan/common.c:58)
[  217.247820][ T3059]  ? kasan_save_stack (mm/kasan/common.c:57)
[  217.247821][ T3059]  ? kasan_save_track (mm/kasan/common.c:78)
[  217.247823][ T3059]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  217.247824][ T3059]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  217.247826][ T3059]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  217.247827][ T3059]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.247828][ T3059]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.247831][ T3059]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.247833][ T3059]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.247834][ T3059]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  217.247837][ T3059]  ? ___sys_sendmsg (net/socket.c:2767)
[  217.247838][ T3059]  ? __sys_sendmsg (net/socket.c:2799)
[  217.247840][ T3059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.247842][ T3059]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.247845][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247847][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.247848][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247850][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247852][ T3059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  217.247855][ T3059]  ? __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)
[  217.247857][ T3059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  217.247858][ T3059]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  217.247860][ T3059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  217.247862][ T3059]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  217.247864][ T3059]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  217.247866][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247868][ T3059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.247869][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.247870][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247873][ T3059]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  217.247876][ T3059]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  217.247878][ T3059]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  217.247879][ T3059]  ? __kernel_text_address (kernel/extable.c:79)
[  217.247881][ T3059]  ? write_profile (profile.c:?)
[  217.247882][ T3059]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  217.247883][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247885][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247887][ T3059]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  217.247890][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.247892][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247894][ T3059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.247895][ T3059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.247897][ T3059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.247898][ T3059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  217.247900][ T3059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  217.247902][ T3059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.247904][ T3059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.247905][ T3059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.247907][ T3059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  217.247908][ T3059]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  217.247910][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247912][ T3059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.247914][ T3059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.247916][ T3059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  217.247918][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247920][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247921][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.247923][ T3059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.247925][ T3059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  217.247927][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247929][ T3059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.247931][ T3059]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  217.247932][ T3059]  ? copy_msghdr_from_user (net/socket.c:2650)
[  217.247934][ T3059]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  217.247936][ T3059]  ? move_addr_to_kernel (net/socket.c:258)
[  217.247937][ T3059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  217.247940][ T3059]  ___sys_sendmsg (net/socket.c:2767)
[  217.247942][ T3059]  ? copy_msghdr_from_user (net/socket.c:2619)
[  217.247946][ T3059]  __sys_sendmsg (net/socket.c:2799)
[  217.247948][ T3059]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  217.247951][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.247953][ T3059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.247955][ T3059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  217.247957][ T3059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.247959][ T3059] RIP: 0033:0x7f881c3eb54e
[  217.247961][ T3059] 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
[  217.247963][ T3059] RSP: 002b:00007ffe549e7f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  217.247967][ T3059] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f881c3eb54e
[  217.247968][ T3059] RDX: 0000000000000000 RSI: 00007ffe549e8030 RDI: 0000000000000005
[  217.247969][ T3059] RBP: 00007ffe549e7f90 R08: 0000000000000000 R09: 0000000000000000
[  217.247970][ T3059] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b07d
[  217.247971][ T3059] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe549e86f0
| [  222.997142][ T3113] softirqs last disabled at (0): 0x0
| [  222.997144][ T3113] Preemption disabled at:
| [  222.997145][ T3113] 0x0
| [  222.997154][ T3113] Tainted: [W]=WARN
[  222.997155][ T3113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  222.997157][ T3113] Call Trace:
[  222.997158][ T3113]  <TASK>
[  222.997159][ T3113]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  222.997165][ T3113]  __might_resched.cold (kernel/sched/core.c:9234)
[  222.997169][ T3113]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  222.997173][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997177][ T3113]  __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))
[  222.997181][ T3113]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  222.997184][ T3113]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  222.997188][ T3113]  ? 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)
[  222.997189][ T3113]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  222.997191][ T3113]  put_chars (drivers/char/virtio_console.c:1176)
[  222.997194][ T3113]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  222.997195][ T3113]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  222.997199][ T3113]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  222.997202][ T3113]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  222.997204][ T3113]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  222.997206][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997208][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.997210][ T3113]  console_emit_next_record (kernel/printk/printk.c:3183)
[  222.997213][ T3113]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  222.997214][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997216][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997218][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997219][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.997221][ T3113]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  222.997223][ T3113]  console_flush_one_record (kernel/printk/printk.c:3268)
[  222.997225][ T3113]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  222.997228][ T3113]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  222.997230][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.997231][ T3113]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  222.997233][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997235][ T3113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  222.997236][ T3113]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  222.997237][ T3113]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  222.997240][ T3113]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  222.997241][ T3113]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  222.997243][ T3113]  vprintk_emit (kernel/printk/printk.c:2479)
[  222.997246][ T3113]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  222.997248][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997249][ T3113]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  222.997252][ T3113]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  222.997253][ T3113]  _printk (kernel/printk/printk.c:2504)
[  222.997257][ T3113]  ? snapshot_read.cold (user.c:?)
[  222.997259][ T3113]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  222.997263][ T3113] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  222.997276][ T3113] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  222.997285][ T3113] br_device_event (net/bridge/br.c:111) bridge
[  222.997293][ T3113]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  222.997296][ T3113]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  222.997299][ T3113]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  222.997302][ T3113]  notifier_call_chain (kernel/notifier.c:85)
[  222.997305][ T3113]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  222.997309][ T3113]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  222.997311][ T3113]  ? netif_change_name (net/core/dev.c:1517)
[  222.997313][ T3113]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  222.997315][ T3113]  ? __kernel_text_address (kernel/extable.c:79)
[  222.997317][ T3113]  ? write_profile (profile.c:?)
[  222.997319][ T3113]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  222.997322][ T3113]  netif_change_flags (net/core/dev.c:9882)
[  222.997325][ T3113]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  222.997328][ T3113]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  222.997330][ T3113]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  222.997331][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997333][ T3113]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  222.997336][ T3113]  ? kasan_save_stack (mm/kasan/common.c:58)
[  222.997339][ T3113]  ? kasan_save_stack (mm/kasan/common.c:57)
[  222.997341][ T3113]  ? kasan_save_track (mm/kasan/common.c:78)
[  222.997342][ T3113]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  222.997344][ T3113]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  222.997345][ T3113]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  222.997346][ T3113]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  222.997348][ T3113]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  222.997350][ T3113]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  222.997352][ T3113]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  222.997353][ T3113]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  222.997361][ T3113]  ? ___sys_sendmsg (net/socket.c:2767)
[  222.997362][ T3113]  ? __sys_sendmsg (net/socket.c:2799)
[  222.997364][ T3113]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  222.997366][ T3113]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  222.997369][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997371][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.997372][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997374][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997376][ T3113]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  222.997379][ T3113]  ? __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)
[  222.997381][ T3113]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  222.997382][ T3113]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  222.997384][ T3113]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  222.997386][ T3113]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  222.997388][ T3113]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  222.997390][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997392][ T3113]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  222.997393][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.997394][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997396][ T3113]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  222.997400][ T3113]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  222.997401][ T3113]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  222.997403][ T3113]  ? __kernel_text_address (kernel/extable.c:79)
[  222.997404][ T3113]  ? write_profile (profile.c:?)
[  222.997405][ T3113]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  222.997407][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997409][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997410][ T3113]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  222.997414][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.997415][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997417][ T3113]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  222.997419][ T3113]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  222.997420][ T3113]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  222.997422][ T3113]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  222.997423][ T3113]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  222.997426][ T3113]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  222.997427][ T3113]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  222.997429][ T3113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  222.997430][ T3113]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  222.997431][ T3113]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  222.997434][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997436][ T3113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  222.997438][ T3113]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  222.997440][ T3113]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  222.997442][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997443][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997445][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.997447][ T3113]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  222.997449][ T3113]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  222.997451][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997452][ T3113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  222.997454][ T3113]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  222.997456][ T3113]  ? copy_msghdr_from_user (net/socket.c:2650)
[  222.997458][ T3113]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  222.997459][ T3113]  ? move_addr_to_kernel (net/socket.c:258)
[  222.997461][ T3113]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  222.997463][ T3113]  ___sys_sendmsg (net/socket.c:2767)
[  222.997465][ T3113]  ? copy_msghdr_from_user (net/socket.c:2619)
[  222.997470][ T3113]  __sys_sendmsg (net/socket.c:2799)
[  222.997472][ T3113]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  222.997475][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.997477][ T3113]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  222.997478][ T3113]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  222.997481][ T3113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  222.997482][ T3113] RIP: 0033:0x7f42c6fd754e
[  222.997484][ T3113] 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
[  222.997487][ T3113] RSP: 002b:00007ffcc63426f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  222.997490][ T3113] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f42c6fd754e
[  222.997492][ T3113] RDX: 0000000000000000 RSI: 00007ffcc63427a0 RDI: 0000000000000005
[  222.997493][ T3113] RBP: 00007ffcc6342700 R08: 0000000000000000 R09: 0000000000000000
[  222.997494][ T3113] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b083


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars