======================================
| [   10.730498][  T231] softirqs last disabled at (20961): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.730500][  T231] Preemption disabled at:
| [   10.730501][  T231] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.730510][  T231] Tainted: [W]=WARN
[   10.730511][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.730513][  T231] Call Trace:
[   10.730514][  T231]  <TASK>
[   10.730516][  T231]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.730522][  T231]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.730524][  T231]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.730528][  T231]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.730532][  T231]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.730537][  T231]  __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))
[   10.730540][  T231]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.730545][  T231]  ? 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)
[   10.730548][  T231]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.730551][  T231]  put_chars (drivers/char/virtio_console.c:1176)
[   10.730554][  T231]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.730556][  T231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.730560][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.730562][  T231]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.730567][  T231]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.730569][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.730576][  T231]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.730579][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.730584][  T231]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.730587][  T231]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.730590][  T231]  ? 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))
[   10.730593][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.730595][  T231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.730599][  T231]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.730603][  T231]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.730605][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.730609][  T231]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.730612][  T231]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.730614][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.730616][  T231]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.730620][  T231]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.730622][  T231]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.730625][  T231]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.730629][  T231]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.730635][  T231]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.730639][  T231]  _printk (kernel/printk/printk.c:2504)
[   10.730642][  T231]  ? snapshot_read.cold (user.c:?)
[   10.730649][  T231]  ? 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)
[   10.730652][  T231] 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
[   10.730655][  T231]  do_one_initcall (init/main.c:1357)
[   10.730658][  T231]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.730662][  T231]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.730665][  T231]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.730669][  T231]  do_init_module (kernel/module/main.c:3117)
[   10.730673][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.730677][  T231]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.730681][  T231]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.730685][  T231]  load_module (kernel/module/main.c:3593)
[   10.730692][  T231]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.730696][  T231]  ? __ia32_sys_fsconfig (??:?)
[   10.730698][  T231]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.730702][  T231]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.730705][  T231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.730709][  T231]  init_module_from_file (kernel/module/main.c:3790)
[   10.730712][  T231]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.730720][  T231]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.730724][  T231]  ? 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)
[   10.730727][  T231]  idempotent_init_module (kernel/module/main.c:3802)
[   10.730730][  T231]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.730736][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.730739][  T231]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.730745][  T231]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.730747][  T231]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.730750][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.730752][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.730755][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.730757][  T231] RIP: 0033:0x7efe5798337d
[   10.730760][  T231] 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
[   10.730762][  T231] RSP: 002b:00007ffdb20652b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.730765][  T231] RAX: ffffffffffffffda RBX: 0000557737e73810 RCX: 00007efe5798337d
[   10.730766][  T231] RDX: 0000000000000000 RSI: 000055770c8fdffd RDI: 0000000000000000
[   10.730767][  T231] RBP: 00007ffdb2065350 R08: 0000000000000000 R09: 0000000000000000
[   10.730768][  T231] R10: 0000000000000000 R11: 0000000000000246 R12: 000055770c8fdffd
[   10.730769][  T231] R13: 0000557737e73960 R14: 0000000000040000 R15: 0000000000000000
| [   11.758179][  T267] softirqs last disabled at (11914): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.758182][  T267] Preemption disabled at:
| [   11.758182][  T267] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.758192][  T267] Tainted: [W]=WARN
[   11.758193][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.758194][  T267] Call Trace:
[   11.758196][  T267]  <TASK>
[   11.758198][  T267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.758203][  T267]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.758205][  T267]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.758210][  T267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.758214][  T267]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.758219][  T267]  __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))
[   11.758221][  T267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.758227][  T267]  ? 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)
[   11.758230][  T267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.758233][  T267]  put_chars (drivers/char/virtio_console.c:1176)
[   11.758235][  T267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.758240][  T267]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.758243][  T267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.758246][  T267]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.758248][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.758249][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.758253][  T267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.758255][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.758258][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.758262][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.758266][  T267]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.758270][  T267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.758272][  T267]  ? 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))
[   11.758275][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.758277][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.758281][  T267]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.758285][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.758287][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.758292][  T267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.758295][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.758297][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.758299][  T267]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.758303][  T267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.758305][  T267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.758308][  T267]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.758312][  T267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.758314][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.758316][  T267]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.758320][  T267]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.758324][  T267]  _printk (kernel/printk/printk.c:2504)
[   11.758327][  T267]  ? snapshot_read.cold (user.c:?)
[   11.758331][  T267]  ? br_multicast_flood (??:?) bridge
[   11.758344][  T267]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.758345][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.758346][  T267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.758351][  T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.758361][  T267] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.758369][  T267] new_nbp (net/bridge/br_if.c:449) bridge
[   11.758378][  T267] br_add_if (net/bridge/br_if.c:592) bridge
[   11.758384][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.758389][  T267]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.758392][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   11.758396][  T267]  do_set_master (net/core/rtnetlink.c:3071)
[   11.758400][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.758403][  T267]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.758407][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.758408][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.758410][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.758414][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.758417][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.758418][  T267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.758421][  T267]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.758424][  T267]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.758426][  T267]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.758428][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.758430][  T267]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.758433][  T267]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.758438][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.758440][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.758442][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.758445][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.758446][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.758448][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.758450][  T267]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.758454][  T267]  ? __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)
[   11.758456][  T267]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.758458][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.758461][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.758463][  T267]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.758468][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.758473][  T267]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.758478][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.758480][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.758484][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.758486][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.758488][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.758490][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.758494][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.758496][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.758499][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.758500][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.758504][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.758506][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.758510][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.758511][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.758514][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.758520][  T267]  ? 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))
[   11.758522][  T267]  ? 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))
[   11.758526][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.758530][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.758532][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.758536][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.758540][  T267]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.758544][  T267]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.758549][  T267]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.758551][  T267]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.758554][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.758555][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   11.758563][  T267]  ___sys_sendmsg (net/socket.c:2767)
[   11.758565][  T267]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.758585][  T267]  __sys_sendmsg (net/socket.c:2799)
[   11.758588][  T267]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.758595][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.758599][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.758601][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.758605][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.758607][  T267] RIP: 0033:0x7f72f13be54e
[   11.758610][  T267] 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
[   11.758612][  T267] RSP: 002b:00007fffa4fe8c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.758615][  T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f72f13be54e
[   11.758616][  T267] RDX: 0000000000000000 RSI: 00007fffa4fe8cd0 RDI: 0000000000000005
[   11.758617][  T267] RBP: 00007fffa4fe8c30 R08: 0000000000000000 R09: 0000000000000000
[   11.758618][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130b3
[   11.758619][  T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa4fe9390
| [   18.734119][  T348] softirqs last disabled at (22552): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   18.734127][  T348] Preemption disabled at:
| [   18.734128][  T348] 0x0
| [   18.734138][  T348] Tainted: [W]=WARN
[   18.734139][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.734141][  T348] Call Trace:
[   18.734142][  T348]  <TASK>
[   18.734144][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.734151][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.734155][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.734159][  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)
[   18.734164][  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))
[   18.734167][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.734173][  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)
[   18.734175][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.734178][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   18.734181][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.734183][  T348]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.734187][  T348]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   18.734191][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.734193][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.734195][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.734197][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.734201][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.734203][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.734207][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.734211][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.734215][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.734217][  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))
[   18.734220][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.734224][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.734228][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.734233][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.734234][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.734240][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.734243][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.734245][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.734247][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.734251][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.734253][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.734256][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.734261][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.734263][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.734265][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.734268][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.734272][  T348]  _printk (kernel/printk/printk.c:2504)
[   18.734276][  T348]  ? snapshot_read.cold (user.c:?)
[   18.734285][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.734296][  T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   18.734305][  T348] br_device_event (net/bridge/br.c:111) bridge
[   18.734313][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.734317][  T348]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.734324][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   18.734329][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   18.734334][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   18.734338][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   18.734341][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   18.734344][  T348]  ? write_profile (profile.c:?)
[   18.734346][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.734351][  T348]  netif_change_flags (net/core/dev.c:9882)
[   18.734355][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.734359][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.734361][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.734362][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.734364][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.734368][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.734370][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.734372][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.734375][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.734378][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.734380][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.734383][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.734385][  T348]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.734388][  T348]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.734392][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.734394][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.734397][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.734400][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.734401][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.734403][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.734406][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.734409][  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)
[   18.734411][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.734414][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.734417][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.734423][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.734428][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.734434][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.734435][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.734440][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.734442][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.734444][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.734446][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.734450][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.734452][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.734455][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.734457][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.734461][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.734463][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.734467][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.734469][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.734472][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.734478][  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))
[   18.734480][  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))
[   18.734484][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.734488][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.734491][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.734495][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.734499][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.734503][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.734509][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.734511][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.734513][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.734515][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   18.734523][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   18.734526][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.734542][  T348]  __sys_sendmsg (net/socket.c:2799)
[   18.734545][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.734551][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.734555][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.734557][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.734560][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.734562][  T348] RIP: 0033:0x7f3caeadc54e
[   18.734565][  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
[   18.734567][  T348] RSP: 002b:00007ffcfbd8d890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.734570][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3caeadc54e
[   18.734571][  T348] RDX: 0000000000000000 RSI: 00007ffcfbd8d940 RDI: 0000000000000005
[   18.734572][  T348] RBP: 00007ffcfbd8d8a0 R08: 0000000000000000 R09: 0000000000000000
[   18.734575][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130ba
[   18.734577][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfbd8e000
| [   24.007188][  T357] softirqs last disabled at (13324): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   24.007196][  T357] Preemption disabled at:
| [   24.007197][  T357] 0x0
| [   24.007206][  T357] Tainted: [W]=WARN
[   24.007207][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.007209][  T357] Call Trace:
[   24.007211][  T357]  <TASK>
[   24.007212][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.007219][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.007224][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.007228][  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)
[   24.007233][  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))
[   24.007236][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.007242][  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)
[   24.007244][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.007248][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   24.007250][  T357]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.007252][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.007255][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.007259][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.007263][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.007266][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007267][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007272][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.007274][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.007277][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007280][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.007284][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.007288][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.007290][  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))
[   24.007293][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007295][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.007299][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.007304][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.007305][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007311][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.007313][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.007315][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007318][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.007321][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.007323][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.007327][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.007331][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.007334][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.007337][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.007340][  T357]  _printk (kernel/printk/printk.c:2504)
[   24.007344][  T357]  ? snapshot_read.cold (user.c:?)
[   24.007352][  T357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.007362][  T357] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   24.007371][  T357] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   24.007379][  T357] br_dev_stop (net/bridge/br_device.c:193) bridge
[   24.007388][  T357]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.007391][  T357]  __dev_close_many (net/core/dev.c:1798)
[   24.007395][  T357]  ? netif_open (net/core/dev.c:1755)
[   24.007397][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.007400][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.007404][  T357]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   24.007407][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   24.007410][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   24.007413][  T357]  ? write_profile (profile.c:?)
[   24.007415][  T357]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.007420][  T357]  netif_change_flags (net/core/dev.c:9877)
[   24.007424][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.007427][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.007429][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.007431][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.007432][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.007436][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.007439][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.007441][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.007443][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.007446][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.007448][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.007451][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007452][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   24.007455][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.007460][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.007462][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.007464][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007467][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.007468][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007470][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007473][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.007477][  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)
[   24.007480][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.007482][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.007485][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.007490][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.007496][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.007501][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.007503][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007508][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.007510][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.007512][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.007514][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.007517][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.007519][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.007523][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.007524][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007528][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.007530][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.007534][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.007536][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.007539][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.007545][  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))
[   24.007546][  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))
[   24.007551][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.007555][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.007557][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007561][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.007565][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.007569][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.007577][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.007579][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.007581][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.007583][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   24.007592][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   24.007595][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.007612][  T357]  __sys_sendmsg (net/socket.c:2799)
[   24.007615][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.007622][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007625][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.007628][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.007631][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.007633][  T357] RIP: 0033:0x7f2dec34154e
[   24.007636][  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
[   24.007637][  T357] RSP: 002b:00007fff4bf9df30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.007640][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2dec34154e
[   24.007642][  T357] RDX: 0000000000000000 RSI: 00007fff4bf9dfe0 RDI: 0000000000000005
[   24.007642][  T357] RBP: 00007fff4bf9df40 R08: 0000000000000000 R09: 0000000000000000
[   24.007643][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130bf
[   24.007644][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4bf9e6a0
| [   29.954113][  T392] softirqs last disabled at (12082): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   29.954120][  T392] Preemption disabled at:
| [   29.954121][  T392] 0x0
| [   29.954131][  T392] Tainted: [W]=WARN
[   29.954131][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.954133][  T392] Call Trace:
[   29.954135][  T392]  <TASK>
[   29.954136][  T392]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.954143][  T392]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.954148][  T392]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.954152][  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)
[   29.954157][  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))
[   29.954159][  T392]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.954165][  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)
[   29.954168][  T392]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.954171][  T392]  put_chars (drivers/char/virtio_console.c:1176)
[   29.954173][  T392]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.954175][  T392]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.954178][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.954181][  T392]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.954185][  T392]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.954188][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.954190][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.954194][  T392]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.954196][  T392]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.954199][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.954202][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.954206][  T392]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.954209][  T392]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.954211][  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))
[   29.954215][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.954217][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.954221][  T392]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.954225][  T392]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.954227][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.954232][  T392]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.954235][  T392]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.954237][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.954239][  T392]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.954243][  T392]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.954244][  T392]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.954248][  T392]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.954252][  T392]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.954255][  T392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.954258][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.954261][  T392]  _printk (kernel/printk/printk.c:2504)
[   29.954265][  T392]  ? snapshot_read.cold (user.c:?)
[   29.954273][  T392] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.954283][  T392] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.954292][  T392] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   29.954299][  T392] br_dev_stop (net/bridge/br_device.c:193) bridge
[   29.954308][  T392]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.954310][  T392]  __dev_close_many (net/core/dev.c:1798)
[   29.954315][  T392]  ? netif_open (net/core/dev.c:1755)
[   29.954316][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.954319][  T392]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.954323][  T392]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   29.954326][  T392]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.954329][  T392]  ? __kernel_text_address (kernel/extable.c:79)
[   29.954332][  T392]  ? write_profile (profile.c:?)
[   29.954334][  T392]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.954339][  T392]  netif_change_flags (net/core/dev.c:9877)
[   29.954343][  T392]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.954346][  T392]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.954348][  T392]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.954350][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.954351][  T392]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.954355][  T392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.954358][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.954359][  T392]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.954362][  T392]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.954365][  T392]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.954367][  T392]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.954369][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.954371][  T392]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   29.954374][  T392]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.954379][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.954381][  T392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.954383][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.954386][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.954387][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.954389][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.954391][  T392]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.954395][  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)
[   29.954398][  T392]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.954400][  T392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.954404][  T392]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.954409][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.954414][  T392]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.954419][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.954421][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.954426][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.954428][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.954430][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.954432][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.954435][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.954437][  T392]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.954441][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.954442][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.954446][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.954448][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.954452][  T392]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.954454][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.954457][  T392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.954463][  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))
[   29.954464][  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))
[   29.954468][  T392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.954472][  T392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.954475][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.954479][  T392]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.954482][  T392]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.954486][  T392]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.954492][  T392]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.954494][  T392]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.954496][  T392]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.954498][  T392]  ? move_addr_to_kernel (net/socket.c:258)
[   29.954505][  T392]  ___sys_sendmsg (net/socket.c:2767)
[   29.954508][  T392]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.954524][  T392]  __sys_sendmsg (net/socket.c:2799)
[   29.954526][  T392]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.954533][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.954536][  T392]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.954538][  T392]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.954542][  T392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.954544][  T392] RIP: 0033:0x7f9a6ba7054e
[   29.954546][  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
[   29.954548][  T392] RSP: 002b:00007ffc743137d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.954551][  T392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9a6ba7054e
[   29.954552][  T392] RDX: 0000000000000000 RSI: 00007ffc74313880 RDI: 0000000000000005
[   29.954553][  T392] RBP: 00007ffc743137e0 R08: 0000000000000000 R09: 0000000000000000
[   29.954554][  T392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130c5
[   29.954555][  T392] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc74313f40
| [   36.466323][  T692] softirqs last disabled at (16854): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   36.466335][  T692] Preemption disabled at:
| [   36.466336][  T692] 0x0
| [   36.466349][  T692] Tainted: [W]=WARN
[   36.466351][  T692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.466353][  T692] Call Trace:
[   36.466356][  T692]  <TASK>
[   36.466358][  T692]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.466367][  T692]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.466373][  T692]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.466379][  T692]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.466386][  T692]  __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))
[   36.466390][  T692]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.466399][  T692]  ? 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)
[   36.466402][  T692]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.466407][  T692]  put_chars (drivers/char/virtio_console.c:1176)
[   36.466412][  T692]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.466417][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.466423][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.466426][  T692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.466433][  T692]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.466436][  T692]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.466439][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.466442][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.466449][  T692]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.466451][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.466459][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.466466][  T692]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.466473][  T692]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.466475][  T692]  ? 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))
[   36.466481][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.466484][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.466491][  T692]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.466499][  T692]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.466501][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.466511][  T692]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.466515][  T692]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.466518][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.466522][  T692]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.466528][  T692]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.466531][  T692]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.466537][  T692]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.466543][  T692]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.466546][  T692]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.466550][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.466554][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.466560][  T692]  _printk (kernel/printk/printk.c:2504)
[   36.466565][  T692]  ? snapshot_read.cold (user.c:?)
[   36.466583][  T692] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   36.466601][  T692] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   36.466616][  T692] br_device_event (net/bridge/br.c:111) bridge
[   36.466628][  T692]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.466634][  T692]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   36.466645][  T692]  notifier_call_chain (kernel/notifier.c:85)
[   36.466654][  T692]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.466662][  T692]  ? netif_change_name (net/core/dev.c:1517)
[   36.466668][  T692]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   36.466673][  T692]  ? __kernel_text_address (kernel/extable.c:79)
[   36.466676][  T692]  ? write_profile (profile.c:?)
[   36.466679][  T692]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.466687][  T692]  netif_change_flags (net/core/dev.c:9882)
[   36.466693][  T692]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.466699][  T692]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.466703][  T692]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.466705][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.466708][  T692]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.466713][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.466717][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.466720][  T692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.466724][  T692]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.466728][  T692]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.466730][  T692]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.466735][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.466738][  T692]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   36.466742][  T692]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.466750][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.466753][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.466757][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.466761][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.466764][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.466766][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.466770][  T692]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.466776][  T692]  ? __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)
[   36.466778][  T692]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.466782][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.466788][  T692]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.466798][  T692]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.466807][  T692]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.466817][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.466820][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.466828][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.466831][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.466834][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.466837][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.466843][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.466847][  T692]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.466852][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.466854][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.466862][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.466865][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.466871][  T692]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.466874][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.466879][  T692]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.466891][  T692]  ? 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))
[   36.466893][  T692]  ? 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))
[   36.466901][  T692]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.466908][  T692]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.466913][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.466921][  T692]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.466927][  T692]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.466935][  T692]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.466943][  T692]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.466947][  T692]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.466951][  T692]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.466953][  T692]  ? move_addr_to_kernel (net/socket.c:258)
[   36.466968][  T692]  ___sys_sendmsg (net/socket.c:2767)
[   36.466972][  T692]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.467004][  T692]  __sys_sendmsg (net/socket.c:2799)
[   36.467008][  T692]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.467020][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.467031][  T692]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.467034][  T692]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.467039][  T692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.467043][  T692] RIP: 0033:0x7f4575c3154e
[   36.467047][  T692] 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
[   36.467049][  T692] RSP: 002b:00007fff5ecd6f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.467054][  T692] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4575c3154e
[   36.467056][  T692] RDX: 0000000000000000 RSI: 00007fff5ecd6fc0 RDI: 0000000000000005
[   36.467057][  T692] RBP: 00007fff5ecd6f20 R08: 0000000000000000 R09: 0000000000000000
[   36.467059][  T692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130cb
[   36.467060][  T692] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5ecd7680
| [   41.792825][  T702] softirqs last disabled at (13518): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   41.792833][  T702] Preemption disabled at:
| [   41.792833][  T702] 0x0
| [   41.792843][  T702] Tainted: [W]=WARN
[   41.792844][  T702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.792846][  T702] Call Trace:
[   41.792848][  T702]  <TASK>
[   41.792849][  T702]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.792855][  T702]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.792860][  T702]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.792864][  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)
[   41.792869][  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))
[   41.792871][  T702]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.792877][  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)
[   41.792879][  T702]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.792882][  T702]  put_chars (drivers/char/virtio_console.c:1176)
[   41.792884][  T702]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   41.792887][  T702]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.792890][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.792893][  T702]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.792897][  T702]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.792900][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.792901][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.792906][  T702]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.792907][  T702]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   41.792911][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.792914][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.792917][  T702]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.792921][  T702]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.792923][  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))
[   41.792926][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.792929][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.792932][  T702]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.792936][  T702]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.792938][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.792943][  T702]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.792946][  T702]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.792948][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.792950][  T702]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.792954][  T702]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.792956][  T702]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.792959][  T702]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.792963][  T702]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.792966][  T702]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.792969][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.792973][  T702]  _printk (kernel/printk/printk.c:2504)
[   41.792977][  T702]  ? snapshot_read.cold (user.c:?)
[   41.792984][  T702] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   41.792994][  T702] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   41.793003][  T702] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   41.793010][  T702] br_dev_stop (net/bridge/br_device.c:193) bridge
[   41.793019][  T702]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.793022][  T702]  __dev_close_many (net/core/dev.c:1798)
[   41.793026][  T702]  ? netif_open (net/core/dev.c:1755)
[   41.793028][  T702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.793030][  T702]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.793034][  T702]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.793037][  T702]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   41.793040][  T702]  ? __kernel_text_address (kernel/extable.c:79)
[   41.793043][  T702]  ? write_profile (profile.c:?)
[   41.793051][  T702]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.793056][  T702]  netif_change_flags (net/core/dev.c:9877)
[   41.793060][  T702]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.793063][  T702]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.793065][  T702]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.793066][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.793068][  T702]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.793072][  T702]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.793075][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.793076][  T702]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.793079][  T702]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.793082][  T702]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.793084][  T702]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.793086][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.793088][  T702]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   41.793091][  T702]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.793095][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.793097][  T702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.793100][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.793102][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.793104][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.793106][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.793108][  T702]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.793112][  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)
[   41.793115][  T702]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.793117][  T702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.793121][  T702]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.793126][  T702]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.793131][  T702]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.793136][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.793138][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.793143][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.793145][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.793147][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.793149][  T702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.793152][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.793154][  T702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.793157][  T702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.793159][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.793163][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.793165][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.793168][  T702]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.793170][  T702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.793173][  T702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.793179][  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))
[   41.793181][  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))
[   41.793185][  T702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.793189][  T702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.793191][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.793195][  T702]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.793199][  T702]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.793203][  T702]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.793208][  T702]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.793211][  T702]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.793213][  T702]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.793215][  T702]  ? move_addr_to_kernel (net/socket.c:258)
[   41.793222][  T702]  ___sys_sendmsg (net/socket.c:2767)
[   41.793225][  T702]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.793240][  T702]  __sys_sendmsg (net/socket.c:2799)
[   41.793243][  T702]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.793249][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.793253][  T702]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.793255][  T702]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.793258][  T702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.793260][  T702] RIP: 0033:0x7f10fa6a654e
[   41.793263][  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
[   41.793264][  T702] RSP: 002b:00007ffe9a40dd50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.793267][  T702] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f10fa6a654e
[   41.793269][  T702] RDX: 0000000000000000 RSI: 00007ffe9a40de00 RDI: 0000000000000005
[   41.793270][  T702] RBP: 00007ffe9a40dd60 R08: 0000000000000000 R09: 0000000000000000
[   41.793270][  T702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130d1
[   41.793271][  T702] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9a40e4c0
| [   47.731684][  T737] softirqs last disabled at (14524): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   47.731697][  T737] Preemption disabled at:
| [   47.731698][  T737] 0x0
| [   47.731711][  T737] Tainted: [W]=WARN
[   47.731712][  T737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.731715][  T737] Call Trace:
[   47.731717][  T737]  <TASK>
[   47.731719][  T737]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.731728][  T737]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.731734][  T737]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.731740][  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)
[   47.731747][  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))
[   47.731751][  T737]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.731759][  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)
[   47.731763][  T737]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.731768][  T737]  put_chars (drivers/char/virtio_console.c:1176)
[   47.731773][  T737]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.731778][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.731783][  T737]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.731791][  T737]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.731794][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.731797][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.731805][  T737]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.731807][  T737]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   47.731813][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.731817][  T737]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.731824][  T737]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.731830][  T737]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.731833][  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))
[   47.731838][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.731842][  T737]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.731849][  T737]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.731856][  T737]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.731858][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.731867][  T737]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.731872][  T737]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.731874][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.731878][  T737]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.731884][  T737]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.731887][  T737]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.731893][  T737]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.731899][  T737]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.731904][  T737]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.731908][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.731914][  T737]  _printk (kernel/printk/printk.c:2504)
[   47.731919][  T737]  ? snapshot_read.cold (user.c:?)
[   47.731933][  T737] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   47.731950][  T737] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   47.731965][  T737] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   47.731978][  T737] br_dev_stop (net/bridge/br_device.c:193) bridge
[   47.731993][  T737]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.731996][  T737]  __dev_close_many (net/core/dev.c:1798)
[   47.732002][  T737]  ? netif_open (net/core/dev.c:1755)
[   47.732008][  T737]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   47.732016][  T737]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   47.732021][  T737]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   47.732026][  T737]  ? __kernel_text_address (kernel/extable.c:79)
[   47.732030][  T737]  ? write_profile (profile.c:?)
[   47.732033][  T737]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.732041][  T737]  netif_change_flags (net/core/dev.c:9877)
[   47.732047][  T737]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   47.732053][  T737]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.732056][  T737]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.732058][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.732061][  T737]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.732071][  T737]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.732074][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.732077][  T737]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.732082][  T737]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.732085][  T737]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.732088][  T737]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.732092][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.732095][  T737]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   47.732099][  T737]  ? ___sys_sendmsg (net/socket.c:2757)
[   47.732106][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.732109][  T737]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.732114][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732117][  T737]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.732120][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732122][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732126][  T737]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.732131][  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)
[   47.732134][  T737]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.732138][  T737]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.732144][  T737]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.732154][  T737]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.732163][  T737]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.732172][  T737]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.732176][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.732184][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.732187][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.732190][  T737]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.732193][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.732200][  T737]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.732204][  T737]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.732210][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.732212][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.732220][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.732223][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.732229][  T737]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.732232][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.732238][  T737]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.732249][  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))
[   47.732252][  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))
[   47.732259][  T737]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.732266][  T737]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.732271][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.732278][  T737]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.732285][  T737]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.732292][  T737]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.732301][  T737]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.732305][  T737]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.732309][  T737]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.732311][  T737]  ? move_addr_to_kernel (net/socket.c:258)
[   47.732325][  T737]  ___sys_sendmsg (net/socket.c:2767)
[   47.732330][  T737]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.732361][  T737]  __sys_sendmsg (net/socket.c:2799)
[   47.732366][  T737]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.732378][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732384][  T737]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.732387][  T737]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.732392][  T737]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.732395][  T737] RIP: 0033:0x7f4c2fe7454e
[   47.732399][  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
[   47.732402][  T737] RSP: 002b:00007ffe514f6fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.732406][  T737] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4c2fe7454e
[   47.732408][  T737] RDX: 0000000000000000 RSI: 00007ffe514f7090 RDI: 0000000000000005
[   47.732409][  T737] RBP: 00007ffe514f6ff0 R08: 0000000000000000 R09: 0000000000000000
[   47.732410][  T737] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130d7
[   47.732412][  T737] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe514f7750
| [   50.638223][  T853] softirqs last disabled at (16502): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   50.638231][  T853] Preemption disabled at:
| [   50.638231][  T853] 0x0
| [   50.638241][  T853] Tainted: [W]=WARN
[   50.638242][  T853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.638244][  T853] Call Trace:
[   50.638245][  T853]  <TASK>
[   50.638247][  T853]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.638253][  T853]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.638258][  T853]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.638262][  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)
[   50.638267][  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))
[   50.638270][  T853]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.638275][  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)
[   50.638278][  T853]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.638281][  T853]  put_chars (drivers/char/virtio_console.c:1176)
[   50.638284][  T853]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.638287][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.638291][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.638293][  T853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.638297][  T853]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.638300][  T853]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.638302][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.638303][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.638307][  T853]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.638309][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.638313][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.638317][  T853]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.638321][  T853]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.638323][  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))
[   50.638326][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.638328][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.638332][  T853]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.638336][  T853]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.638338][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.638343][  T853]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.638346][  T853]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.638348][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.638350][  T853]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.638354][  T853]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.638356][  T853]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.638359][  T853]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.638363][  T853]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.638365][  T853]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.638368][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.638370][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.638374][  T853]  _printk (kernel/printk/printk.c:2504)
[   50.638378][  T853]  ? snapshot_read.cold (user.c:?)
[   50.638385][  T853] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   50.638396][  T853] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   50.638405][  T853] br_device_event (net/bridge/br.c:111) bridge
[   50.638412][  T853]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   50.638416][  T853]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   50.638422][  T853]  notifier_call_chain (kernel/notifier.c:85)
[   50.638428][  T853]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   50.638433][  T853]  ? netif_change_name (net/core/dev.c:1517)
[   50.638437][  T853]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   50.638440][  T853]  ? __kernel_text_address (kernel/extable.c:79)
[   50.638442][  T853]  ? write_profile (profile.c:?)
[   50.638445][  T853]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.638450][  T853]  netif_change_flags (net/core/dev.c:9882)
[   50.638453][  T853]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   50.638457][  T853]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.638459][  T853]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.638461][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.638462][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.638466][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.638469][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.638470][  T853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.638473][  T853]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.638476][  T853]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.638478][  T853]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.638480][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.638482][  T853]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   50.638485][  T853]  ? ___sys_sendmsg (net/socket.c:2757)
[   50.638490][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.638492][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.638494][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.638497][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.638498][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.638500][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.638503][  T853]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.638506][  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)
[   50.638508][  T853]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.638510][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.638513][  T853]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.638519][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.638524][  T853]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.638529][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.638531][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.638535][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.638537][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.638540][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.638541][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.638545][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.638547][  T853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.638550][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.638552][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.638556][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.638558][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.638561][  T853]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.638563][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.638566][  T853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.638572][  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))
[   50.638576][  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))
[   50.638580][  T853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.638584][  T853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.638587][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.638591][  T853]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.638595][  T853]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.638599][  T853]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.638604][  T853]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.638606][  T853]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.638609][  T853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.638610][  T853]  ? move_addr_to_kernel (net/socket.c:258)
[   50.638618][  T853]  ___sys_sendmsg (net/socket.c:2767)
[   50.638621][  T853]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.638636][  T853]  __sys_sendmsg (net/socket.c:2799)
[   50.638639][  T853]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.638645][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.638649][  T853]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.638651][  T853]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.638654][  T853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.638656][  T853] RIP: 0033:0x7f73893f554e
[   50.638659][  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
[   50.638661][  T853] RSP: 002b:00007ffc8ae3dff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.638664][  T853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f73893f554e
[   50.638665][  T853] RDX: 0000000000000000 RSI: 00007ffc8ae3e0a0 RDI: 0000000000000005
[   50.638666][  T853] RBP: 00007ffc8ae3e000 R08: 0000000000000000 R09: 0000000000000000
[   50.638667][  T853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130da
[   50.638667][  T853] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8ae3e760
| [   55.901060][  T862] softirqs last disabled at (25566): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   55.901067][  T862] Preemption disabled at:
| [   55.901068][  T862] 0x0
| [   55.901078][  T862] Tainted: [W]=WARN
[   55.901078][  T862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.901080][  T862] Call Trace:
[   55.901082][  T862]  <TASK>
[   55.901083][  T862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.901090][  T862]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.901100][  T862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.901104][  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)
[   55.901109][  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))
[   55.901112][  T862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.901117][  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)
[   55.901120][  T862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.901123][  T862]  put_chars (drivers/char/virtio_console.c:1176)
[   55.901125][  T862]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   55.901127][  T862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.901130][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.901133][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.901138][  T862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.901140][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.901142][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.901146][  T862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.901148][  T862]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   55.901151][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.901154][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.901158][  T862]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.901162][  T862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.901164][  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))
[   55.901167][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.901169][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.901173][  T862]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.901177][  T862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.901179][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.901184][  T862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.901187][  T862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.901189][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.901191][  T862]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.901195][  T862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.901196][  T862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.901200][  T862]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.901204][  T862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.901207][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.901210][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.901213][  T862]  _printk (kernel/printk/printk.c:2504)
[   55.901217][  T862]  ? snapshot_read.cold (user.c:?)
[   55.901224][  T862] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.901235][  T862] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   55.901243][  T862] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   55.901251][  T862] br_dev_stop (net/bridge/br_device.c:193) bridge
[   55.901260][  T862]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.901262][  T862]  __dev_close_many (net/core/dev.c:1798)
[   55.901267][  T862]  ? netif_open (net/core/dev.c:1755)
[   55.901268][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.901271][  T862]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.901275][  T862]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   55.901278][  T862]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   55.901281][  T862]  ? __kernel_text_address (kernel/extable.c:79)
[   55.901284][  T862]  ? write_profile (profile.c:?)
[   55.901286][  T862]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.901291][  T862]  netif_change_flags (net/core/dev.c:9877)
[   55.901295][  T862]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   55.901298][  T862]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.901300][  T862]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.901302][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.901303][  T862]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.901307][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.901310][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.901311][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.901314][  T862]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.901317][  T862]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.901319][  T862]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.901321][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.901323][  T862]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   55.901326][  T862]  ? ___sys_sendmsg (net/socket.c:2757)
[   55.901330][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.901332][  T862]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.901335][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.901337][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.901339][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.901341][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.901343][  T862]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.901347][  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)
[   55.901350][  T862]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.901352][  T862]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.901355][  T862]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.901361][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.901366][  T862]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.901371][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.901373][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.901377][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.901379][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.901381][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.901383][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.901387][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.901389][  T862]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.901392][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.901393][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.901398][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.901399][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.901403][  T862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.901405][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.901408][  T862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.901414][  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))
[   55.901415][  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))
[   55.901419][  T862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.901423][  T862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.901426][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.901430][  T862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.901434][  T862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.901437][  T862]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.901443][  T862]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.901445][  T862]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.901448][  T862]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.901449][  T862]  ? move_addr_to_kernel (net/socket.c:258)
[   55.901456][  T862]  ___sys_sendmsg (net/socket.c:2767)
[   55.901459][  T862]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.901475][  T862]  __sys_sendmsg (net/socket.c:2799)
[   55.901478][  T862]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.901484][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.901487][  T862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.901490][  T862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.901493][  T862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.901495][  T862] RIP: 0033:0x7fbc25ed154e
[   55.901497][  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
[   55.901499][  T862] RSP: 002b:00007ffc26f04650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.901502][  T862] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbc25ed154e
[   55.901503][  T862] RDX: 0000000000000000 RSI: 00007ffc26f04700 RDI: 0000000000000005
[   55.901504][  T862] RBP: 00007ffc26f04660 R08: 0000000000000000 R09: 0000000000000000
[   55.901505][  T862] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130df
[   55.901506][  T862] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc26f04dc0
| [   56.909824][  T902] softirqs last disabled at (22382): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.909826][  T902] Preemption disabled at:
| [   56.909827][  T902] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.909836][  T902] Tainted: [W]=WARN
[   56.909837][  T902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.909839][  T902] Call Trace:
[   56.909841][  T902]  <TASK>
[   56.909843][  T902]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.909849][  T902]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.909852][  T902]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.909857][  T902]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.909861][  T902]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.909866][  T902]  __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))
[   56.909869][  T902]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.909875][  T902]  ? 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)
[   56.909878][  T902]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.909882][  T902]  put_chars (drivers/char/virtio_console.c:1176)
[   56.909885][  T902]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.909892][  T902]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.909899][  T902]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.909902][  T902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.909906][  T902]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.909910][  T902]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.909912][  T902]  ? 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))
[   56.909915][  T902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.909919][  T902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.909924][  T902]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.909928][  T902]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.909930][  T902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.909936][  T902]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.909939][  T902]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.909941][  T902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.909943][  T902]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.909947][  T902]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.909949][  T902]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.909953][  T902]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.909957][  T902]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.909960][  T902]  ? __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)
[   56.909963][  T902]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.909965][  T902]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.909968][  T902]  _printk (kernel/printk/printk.c:2504)
[   56.909972][  T902]  ? snapshot_read.cold (user.c:?)
[   56.909976][  T902]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   56.909992][  T902]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   56.909998][  T902] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   56.910010][  T902] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   56.910020][  T902] new_nbp (net/bridge/br_if.c:449) bridge
[   56.910031][  T902] br_add_if (net/bridge/br_if.c:592) bridge
[   56.910039][  T902]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.910046][  T902]  do_set_master (net/core/rtnetlink.c:3071)
[   56.910051][  T902]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.910056][  T902]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.910057][  T902]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.910060][  T902]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.910071][  T902]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.910079][  T902]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.910085][  T902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.910088][  T902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.910102][  T902]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.910107][  T902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.910109][  T902]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.910113][  T902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.910114][  T902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.910120][  T902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.910122][  T902]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.910126][  T902]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.910130][  T902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.910134][  T902]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.910147][  T902]  ? 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))
[   56.910149][  T902]  ? 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))
[   56.910158][  T902]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.910162][  T902]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.910165][  T902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.910170][  T902]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.910175][  T902]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.910179][  T902]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.910186][  T902]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.910190][  T902]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.910192][  T902]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.910194][  T902]  ? move_addr_to_kernel (net/socket.c:258)
[   56.910199][  T902]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   56.910202][  T902]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   56.910208][  T902]  ___sys_sendmsg (net/socket.c:2767)
[   56.910211][  T902]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.910231][  T902]  __sys_sendmsg (net/socket.c:2799)
[   56.910234][  T902]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.910241][  T902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.910243][  T902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.910248][  T902]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.910251][  T902]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.910254][  T902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.910257][  T902] RIP: 0033:0x7fe04cefe54e
[   56.910260][  T902] 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
[   56.910262][  T902] RSP: 002b:00007fffd6746aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.910266][  T902] RAX: ffffffffffffffda RBX: 00007fffd6747258 RCX: 00007fe04cefe54e
[   56.910267][  T902] RDX: 0000000000000000 RSI: 00007fffd6746b50 RDI: 0000000000000005
[   56.910268][  T902] RBP: 00007fffd6746ab0 R08: 0000000000000000 R09: 0000000000000000
[   56.910269][  T902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130e0
[   56.910270][  T902] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd6747210
| [   57.911454][  T942] softirqs last disabled at (17328): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.911457][  T942] Preemption disabled at:
| [   57.911457][  T942] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.911467][  T942] Tainted: [W]=WARN
[   57.911468][  T942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.911469][  T942] Call Trace:
[   57.911471][  T942]  <TASK>
[   57.911473][  T942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.911479][  T942]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.911482][  T942]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.911487][  T942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.911491][  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)
[   57.911499][  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))
[   57.911502][  T942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.911508][  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)
[   57.911510][  T942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.911514][  T942]  put_chars (drivers/char/virtio_console.c:1176)
[   57.911516][  T942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.911523][  T942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.911530][  T942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.911532][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.911537][  T942]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.911541][  T942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.911542][  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))
[   57.911546][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.911550][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.911554][  T942]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.911558][  T942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.911560][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.911565][  T942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.911568][  T942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.911570][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.911575][  T942]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.911579][  T942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.911581][  T942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.911585][  T942]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.911589][  T942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.911592][  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)
[   57.911595][  T942]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.911597][  T942]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.911600][  T942]  _printk (kernel/printk/printk.c:2504)
[   57.911604][  T942]  ? snapshot_read.cold (user.c:?)
[   57.911608][  T942]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   57.911622][  T942]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   57.911627][  T942] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.911637][  T942] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.911645][  T942] new_nbp (net/bridge/br_if.c:449) bridge
[   57.911655][  T942] br_add_if (net/bridge/br_if.c:592) bridge
[   57.911662][  T942]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   57.911667][  T942]  do_set_master (net/core/rtnetlink.c:3071)
[   57.911673][  T942]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   57.911676][  T942]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   57.911678][  T942]  ? __dev_get_by_name (net/core/dev.c:905)
[   57.911681][  T942]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   57.911690][  T942]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   57.911697][  T942]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.911702][  T942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.911704][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.911714][  T942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.911719][  T942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.911721][  T942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.911725][  T942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.911726][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.911730][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.911732][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.911736][  T942]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.911740][  T942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.911743][  T942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.911750][  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))
[   57.911751][  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))
[   57.911756][  T942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.911760][  T942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.911762][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.911767][  T942]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.911771][  T942]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.911775][  T942]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.911780][  T942]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.911784][  T942]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.911787][  T942]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.911788][  T942]  ? move_addr_to_kernel (net/socket.c:258)
[   57.911792][  T942]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.911795][  T942]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.911800][  T942]  ___sys_sendmsg (net/socket.c:2767)
[   57.911803][  T942]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.911819][  T942]  __sys_sendmsg (net/socket.c:2799)
[   57.911822][  T942]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.911828][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.911830][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.911834][  T942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.911836][  T942]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.911840][  T942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.911842][  T942] RIP: 0033:0x7face0f9b54e
[   57.911845][  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
[   57.911847][  T942] RSP: 002b:00007ffc1a067ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.911850][  T942] RAX: ffffffffffffffda RBX: 00007ffc1a068698 RCX: 00007face0f9b54e
[   57.911852][  T942] RDX: 0000000000000000 RSI: 00007ffc1a067f90 RDI: 0000000000000005
[   57.911852][  T942] RBP: 00007ffc1a067ef0 R08: 0000000000000000 R09: 0000000000000000
[   57.911853][  T942] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130e1
[   57.911854][  T942] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1a068650
| [   58.923318][  T981] softirqs last disabled at (22644): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   58.923320][  T981] Preemption disabled at:
| [   58.923321][  T981] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.923330][  T981] Tainted: [W]=WARN
[   58.923331][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.923333][  T981] Call Trace:
[   58.923334][  T981]  <TASK>
[   58.923336][  T981]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.923342][  T981]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.923344][  T981]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.923349][  T981]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.923353][  T981]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.923358][  T981]  __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))
[   58.923361][  T981]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.923366][  T981]  ? 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)
[   58.923369][  T981]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.923372][  T981]  put_chars (drivers/char/virtio_console.c:1176)
[   58.923375][  T981]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.923381][  T981]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.923388][  T981]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.923390][  T981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.923395][  T981]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.923398][  T981]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.923400][  T981]  ? 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))
[   58.923404][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.923408][  T981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.923412][  T981]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.923416][  T981]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.923418][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.923424][  T981]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.923426][  T981]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.923428][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.923431][  T981]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.923435][  T981]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.923437][  T981]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.923443][  T981]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.923449][  T981]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.923454][  T981]  ? __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)
[   58.923457][  T981]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.923460][  T981]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.923464][  T981]  _printk (kernel/printk/printk.c:2504)
[   58.923468][  T981]  ? snapshot_read.cold (user.c:?)
[   58.923471][  T981]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   58.923485][  T981]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   58.923490][  T981] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   58.923500][  T981] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   58.923509][  T981] new_nbp (net/bridge/br_if.c:449) bridge
[   58.923518][  T981] br_add_if (net/bridge/br_if.c:592) bridge
[   58.923525][  T981]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   58.923531][  T981]  do_set_master (net/core/rtnetlink.c:3071)
[   58.923536][  T981]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   58.923540][  T981]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   58.923542][  T981]  ? __dev_get_by_name (net/core/dev.c:905)
[   58.923545][  T981]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   58.923554][  T981]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   58.923561][  T981]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.923566][  T981]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.923568][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.923577][  T981]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.923581][  T981]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.923583][  T981]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.923587][  T981]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.923588][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.923593][  T981]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.923595][  T981]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.923598][  T981]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.923602][  T981]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.923605][  T981]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.923611][  T981]  ? 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))
[   58.923613][  T981]  ? 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))
[   58.923617][  T981]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.923621][  T981]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.923624][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.923628][  T981]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.923632][  T981]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.923636][  T981]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.923642][  T981]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.923646][  T981]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.923648][  T981]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.923650][  T981]  ? move_addr_to_kernel (net/socket.c:258)
[   58.923654][  T981]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   58.923657][  T981]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   58.923662][  T981]  ___sys_sendmsg (net/socket.c:2767)
[   58.923665][  T981]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.923681][  T981]  __sys_sendmsg (net/socket.c:2799)
[   58.923684][  T981]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.923690][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.923692][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.923696][  T981]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.923698][  T981]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.923702][  T981]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.923704][  T981] RIP: 0033:0x7f3d0173354e
[   58.923708][  T981] 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
[   58.923709][  T981] RSP: 002b:00007fff6e3a4c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.923712][  T981] RAX: ffffffffffffffda RBX: 00007fff6e3a53d8 RCX: 00007f3d0173354e
[   58.923714][  T981] RDX: 0000000000000000 RSI: 00007fff6e3a4cd0 RDI: 0000000000000005
[   58.923715][  T981] RBP: 00007fff6e3a4c30 R08: 0000000000000000 R09: 0000000000000000
[   58.923716][  T981] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130e2
[   58.923717][  T981] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6e3a5390
| [   59.926069][ T1015] softirqs last disabled at (19198): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   59.926072][ T1015] Preemption disabled at:
| [   59.926072][ T1015] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.926081][ T1015] Tainted: [W]=WARN
[   59.926082][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.926084][ T1015] Call Trace:
[   59.926086][ T1015]  <TASK>
[   59.926087][ T1015]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.926093][ T1015]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.926096][ T1015]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.926100][ T1015]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.926105][ T1015]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.926116][ T1015]  __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))
[   59.926119][ T1015]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.926125][ T1015]  ? 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)
[   59.926127][ T1015]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.926131][ T1015]  put_chars (drivers/char/virtio_console.c:1176)
[   59.926134][ T1015]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.926141][ T1015]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.926148][ T1015]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.926151][ T1015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.926155][ T1015]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.926160][ T1015]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.926162][ T1015]  ? 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))
[   59.926165][ T1015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.926170][ T1015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.926174][ T1015]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.926179][ T1015]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.926181][ T1015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.926187][ T1015]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.926190][ T1015]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.926192][ T1015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.926195][ T1015]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.926199][ T1015]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.926201][ T1015]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.926205][ T1015]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.926209][ T1015]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.926213][ T1015]  ? __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)
[   59.926216][ T1015]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.926217][ T1015]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.926221][ T1015]  _printk (kernel/printk/printk.c:2504)
[   59.926225][ T1015]  ? snapshot_read.cold (user.c:?)
[   59.926228][ T1015]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   59.926242][ T1015]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   59.926247][ T1015] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   59.926257][ T1015] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   59.926267][ T1015] new_nbp (net/bridge/br_if.c:449) bridge
[   59.926276][ T1015] br_add_if (net/bridge/br_if.c:592) bridge
[   59.926284][ T1015]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   59.926290][ T1015]  do_set_master (net/core/rtnetlink.c:3071)
[   59.926295][ T1015]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   59.926299][ T1015]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   59.926301][ T1015]  ? __dev_get_by_name (net/core/dev.c:905)
[   59.926304][ T1015]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   59.926314][ T1015]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   59.926322][ T1015]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.926328][ T1015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.926330][ T1015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.926338][ T1015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.926342][ T1015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.926345][ T1015]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.926348][ T1015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.926350][ T1015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.926355][ T1015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.926357][ T1015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.926362][ T1015]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.926365][ T1015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.926368][ T1015]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.926375][ T1015]  ? 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))
[   59.926377][ T1015]  ? 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))
[   59.926382][ T1015]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.926386][ T1015]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.926390][ T1015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.926394][ T1015]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.926399][ T1015]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.926403][ T1015]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.926409][ T1015]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.926413][ T1015]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.926415][ T1015]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.926417][ T1015]  ? move_addr_to_kernel (net/socket.c:258)
[   59.926421][ T1015]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   59.926423][ T1015]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   59.926428][ T1015]  ___sys_sendmsg (net/socket.c:2767)
[   59.926431][ T1015]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.926449][ T1015]  __sys_sendmsg (net/socket.c:2799)
[   59.926452][ T1015]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.926458][ T1015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.926460][ T1015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.926464][ T1015]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.926467][ T1015]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.926470][ T1015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.926473][ T1015] RIP: 0033:0x7f2f2905d54e
[   59.926476][ T1015] 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
[   59.926478][ T1015] RSP: 002b:00007fff84eecdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.926481][ T1015] RAX: ffffffffffffffda RBX: 00007fff84eed588 RCX: 00007f2f2905d54e
[   59.926483][ T1015] RDX: 0000000000000000 RSI: 00007fff84eece80 RDI: 0000000000000005
[   59.926484][ T1015] RBP: 00007fff84eecde0 R08: 0000000000000000 R09: 0000000000000000
[   59.926485][ T1015] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130e3
[   59.926486][ T1015] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff84eed540
| [   67.722083][ T1162] softirqs last disabled at (18896): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   67.722085][ T1162] Preemption disabled at:
| [   67.722086][ T1162] vprintk_emit (kernel/printk/printk.c:2471)
| [   67.722095][ T1162] Tainted: [W]=WARN
[   67.722096][ T1162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.722098][ T1162] Call Trace:
[   67.722099][ T1162]  <TASK>
[   67.722101][ T1162]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.722107][ T1162]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   67.722109][ T1162]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.722114][ T1162]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.722118][ T1162]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   67.722123][ T1162]  __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))
[   67.722125][ T1162]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.722131][ T1162]  ? 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)
[   67.722139][ T1162]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.722143][ T1162]  put_chars (drivers/char/virtio_console.c:1176)
[   67.722145][ T1162]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.722147][ T1162]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   67.722151][ T1162]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   67.722154][ T1162]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.722157][ T1162]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.722159][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.722161][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.722165][ T1162]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.722166][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.722170][ T1162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.722174][ T1162]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.722178][ T1162]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.722180][ T1162]  ? 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))
[   67.722183][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.722187][ T1162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.722191][ T1162]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.722195][ T1162]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.722197][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.722202][ T1162]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.722205][ T1162]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.722207][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.722209][ T1162]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   67.722213][ T1162]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.722215][ T1162]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.722218][ T1162]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.722222][ T1162]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.722227][ T1162]  _printk (kernel/printk/printk.c:2504)
[   67.722231][ T1162]  ? snapshot_read.cold (user.c:?)
[   67.722233][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.722236][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.722238][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.722240][ T1162]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   67.722243][ T1162]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   67.722247][ T1162]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   67.722250][ T1162]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   67.722252][ T1162]  ? netdev_notice (net/core/dev.c:13194)
[   67.722254][ T1162]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   67.722264][ T1162]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   67.722268][ T1162]  dev_set_allmulti (net/core/dev_api.c:315)
[   67.722271][ T1162] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   67.722284][ T1162]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.722289][ T1162] br_dev_delete (net/bridge/br_if.c:387) bridge
[   67.722298][ T1162]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   67.722300][ T1162]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.722302][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.722304][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.722306][ T1162]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   67.722327][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.722329][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.722332][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.722334][ T1162]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.722336][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.722341][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.722342][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.722344][ T1162]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   67.722347][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.722350][ T1162]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   67.722353][ T1162]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.722356][ T1162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.722358][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.722362][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.722364][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.722367][ T1162]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.722370][ T1162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.722373][ T1162]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.722379][ T1162]  ? 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))
[   67.722381][ T1162]  ? 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))
[   67.722385][ T1162]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.722389][ T1162]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.722391][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.722395][ T1162]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.722399][ T1162]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.722403][ T1162]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   67.722408][ T1162]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   67.722411][ T1162]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.722413][ T1162]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   67.722415][ T1162]  ? move_addr_to_kernel (net/socket.c:258)
[   67.722422][ T1162]  ___sys_sendmsg (net/socket.c:2767)
[   67.722425][ T1162]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.722440][ T1162]  __sys_sendmsg (net/socket.c:2799)
[   67.722443][ T1162]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.722449][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.722453][ T1162]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.722455][ T1162]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.722458][ T1162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.722461][ T1162] RIP: 0033:0x7f9ff8e3f54e
[   67.722464][ T1162] 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
[   67.722466][ T1162] RSP: 002b:00007ffd12ba7590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.722469][ T1162] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ff8e3f54e
[   67.722470][ T1162] RDX: 0000000000000000 RSI: 00007ffd12ba7640 RDI: 0000000000000005
[   67.722471][ T1162] RBP: 00007ffd12ba75a0 R08: 0000000000000000 R09: 0000000000000000
[   67.722472][ T1162] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130eb
[   67.722472][ T1162] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd12ba7d00
| [   70.160136][ T1199] softirqs last disabled at (25324): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   70.160138][ T1199] Preemption disabled at:
| [   70.160139][ T1199] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.160154][ T1199] Tainted: [W]=WARN
[   70.160155][ T1199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.160157][ T1199] Call Trace:
[   70.160159][ T1199]  <TASK>
[   70.160160][ T1199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.160166][ T1199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.160169][ T1199]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.160173][ T1199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.160177][ T1199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   70.160182][ T1199]  __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))
[   70.160185][ T1199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.160190][ T1199]  ? 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)
[   70.160193][ T1199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.160196][ T1199]  put_chars (drivers/char/virtio_console.c:1176)
[   70.160199][ T1199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.160201][ T1199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.160206][ T1199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.160208][ T1199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.160212][ T1199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.160215][ T1199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   70.160216][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.160218][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.160222][ T1199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.160223][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.160228][ T1199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.160231][ T1199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.160235][ T1199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.160237][ T1199]  ? 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))
[   70.160240][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.160243][ T1199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.160247][ T1199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.160251][ T1199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.160253][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.160258][ T1199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.160260][ T1199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.160262][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.160265][ T1199]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   70.160268][ T1199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.160270][ T1199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.160273][ T1199]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.160277][ T1199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.160283][ T1199]  _printk (kernel/printk/printk.c:2504)
[   70.160287][ T1199]  ? snapshot_read.cold (user.c:?)
[   70.160289][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.160291][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.160293][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.160295][ T1199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.160299][ T1199]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.160302][ T1199]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.160305][ T1199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.160308][ T1199]  ? netdev_notice (net/core/dev.c:13194)
[   70.160309][ T1199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.160319][ T1199]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   70.160323][ T1199]  dev_set_allmulti (net/core/dev_api.c:315)
[   70.160326][ T1199] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   70.160340][ T1199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.160344][ T1199] br_dev_delete (net/bridge/br_if.c:387) bridge
[   70.160353][ T1199]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   70.160356][ T1199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   70.160358][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.160359][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.160361][ T1199]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   70.160383][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.160385][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.160388][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.160390][ T1199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   70.160392][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.160396][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.160398][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.160400][ T1199]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   70.160402][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.160406][ T1199]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   70.160409][ T1199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.160412][ T1199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.160413][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.160418][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.160420][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.160423][ T1199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.160426][ T1199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.160429][ T1199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.160435][ T1199]  ? 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))
[   70.160437][ T1199]  ? 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))
[   70.160441][ T1199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.160445][ T1199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.160447][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.160451][ T1199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.160455][ T1199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.160459][ T1199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   70.160465][ T1199]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.160468][ T1199]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.160470][ T1199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   70.160472][ T1199]  ? move_addr_to_kernel (net/socket.c:258)
[   70.160479][ T1199]  ___sys_sendmsg (net/socket.c:2767)
[   70.160482][ T1199]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.160498][ T1199]  __sys_sendmsg (net/socket.c:2799)
[   70.160500][ T1199]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.160507][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.160510][ T1199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.160512][ T1199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.160515][ T1199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.160518][ T1199] RIP: 0033:0x7f8aaaa3f54e
[   70.160522][ T1199] 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
[   70.160523][ T1199] RSP: 002b:00007ffc6f888240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.160526][ T1199] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8aaaa3f54e
[   70.160528][ T1199] RDX: 0000000000000000 RSI: 00007ffc6f8882f0 RDI: 0000000000000005
[   70.160529][ T1199] RBP: 00007ffc6f888250 R08: 0000000000000000 R09: 0000000000000000
[   70.160529][ T1199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130ed
[   70.160530][ T1199] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6f8889b0
| [   71.060693][    C3]
| [   71.060774][    C3]
| [   71.060774][    C3] stack backtrace:
| [   71.060969][    C3] Tainted: [W]=WARN
[   71.060970][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.060972][    C3] Call Trace:
[   71.060973][    C3]  <IRQ>
[   71.060975][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.060980][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   71.060983][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   71.060986][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   71.060988][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   71.060989][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   71.060991][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.060993][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.061001][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.061004][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.061006][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.061012][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   71.061014][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.061020][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.061026][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.061032][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   71.061034][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   71.061036][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   71.061040][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.061042][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.061043][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.061046][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   71.061047][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.061054][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   71.061056][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.061058][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.061061][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   71.061063][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   71.061065][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.061067][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.061069][    C3]  handle_softirqs (kernel/softirq.c:645)
[   71.061070][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.061072][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   71.061074][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   71.061075][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   71.061077][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   71.061078][    C3]  </IRQ>
[   71.061079][    C3]  <TASK>
[   71.061080][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   71.061082][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   71.061084][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   71.061086][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   71.061088][    C3] RAX: 00000000002e6c55 RBX: ff11000001c88040 RCX: ffffffff84cf0307
[   71.061090][    C3] RDX: ff11000001c88040 RSI: ffffffff87a38b01 RDI: ffffffff8748d8e0
[   71.061090][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   71.061091][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   71.061092][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   71.061094][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.061096][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   71.061098][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   71.061099][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.061101][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   71.061102][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   71.061104][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.061106][    C3]  do_idle (kernel/sched/idle.c:355)
[   71.061108][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   71.061109][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   71.061111][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   71.061113][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   72.370484][ T1238] softirqs last disabled at (0): 0x0
| [   72.370486][ T1238] Preemption disabled at:
| [   72.370487][ T1238] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.370498][ T1238] Tainted: [W]=WARN
[   72.370499][ T1238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.370501][ T1238] Call Trace:
[   72.370502][ T1238]  <TASK>
[   72.370503][ T1238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.370509][ T1238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.370511][ T1238]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.370514][ T1238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.370517][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370521][ T1238]  __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))
[   72.370524][ T1238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.370527][ T1238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.370531][ T1238]  ? 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)
[   72.370532][ T1238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.370534][ T1238]  put_chars (drivers/char/virtio_console.c:1176)
[   72.370536][ T1238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.370537][ T1238]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   72.370539][ T1238]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   72.370542][ T1238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.370545][ T1238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.370546][ T1238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.370548][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.370550][ T1238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.370552][ T1238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.370554][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370556][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370557][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370559][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.370561][ T1238]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.370563][ T1238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.370565][ T1238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.370567][ T1238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.370569][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.370571][ T1238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.370576][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370578][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.370579][ T1238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.370581][ T1238]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   72.370583][ T1238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.370585][ T1238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.370587][ T1238]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.370590][ T1238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.370592][ T1238]  ? __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)
[   72.370595][ T1238]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.370596][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370598][ T1238]  _printk (kernel/printk/printk.c:2504)
[   72.370601][ T1238]  ? snapshot_read.cold (user.c:?)
[   72.370603][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370605][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.370606][ T1238]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   72.370609][ T1238] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   72.370621][ T1238] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   72.370629][ T1238] new_nbp (net/bridge/br_if.c:449) bridge
[   72.370637][ T1238] br_add_if (net/bridge/br_if.c:592) bridge
[   72.370644][ T1238]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.370647][ T1238]  do_set_master (net/core/rtnetlink.c:3071)
[   72.370651][ T1238]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   72.370653][ T1238]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   72.370654][ T1238]  ? __dev_get_by_name (net/core/dev.c:905)
[   72.370656][ T1238]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   72.370660][ T1238]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   72.370662][ T1238]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.370664][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370666][ T1238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.370667][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.370669][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370671][ T1238]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.370674][ T1238]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.370676][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370678][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370680][ T1238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   72.370683][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.370685][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370686][ T1238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.370688][ T1238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.370689][ T1238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.370691][ T1238]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.370693][ T1238]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.370697][ T1238]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.370700][ T1238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.370701][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.370703][ T1238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.370704][ T1238]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   72.370707][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370708][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.370710][ T1238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.370712][ T1238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.370713][ T1238]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   72.370716][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370718][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370719][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370721][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370723][ T1238]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.370725][ T1238]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.370727][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370728][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.370730][ T1238]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.370733][ T1238]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.370735][ T1238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.370736][ T1238]  ? move_addr_to_kernel (net/socket.c:258)
[   72.370739][ T1238]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   72.370742][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.370744][ T1238]  ___sys_sendmsg (net/socket.c:2767)
[   72.370745][ T1238]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   72.370748][ T1238]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.370749][ T1238]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   72.370754][ T1238]  __sys_sendmsg (net/socket.c:2799)
[   72.370756][ T1238]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.370758][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370760][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.370762][ T1238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.370764][ T1238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.370766][ T1238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.370768][ T1238] RIP: 0033:0x7fabb696854e
[   72.370770][ T1238] 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
[   72.370772][ T1238] RSP: 002b:00007fff5a72d620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.370775][ T1238] RAX: ffffffffffffffda RBX: 00007fff5a72ddd8 RCX: 00007fabb696854e
[   72.370777][ T1238] RDX: 0000000000000000 RSI: 00007fff5a72d6d0 RDI: 0000000000000005
[   72.370778][ T1238] RBP: 00007fff5a72d630 R08: 0000000000000000 R09: 0000000000000000
[   72.370778][ T1238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130ef
[   72.370779][ T1238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5a72dd90
| [   73.395443][ T1306] softirqs last disabled at (0): 0x0
| [   73.395445][ T1306] Preemption disabled at:
| [   73.395446][ T1306] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.395456][ T1306] Tainted: [W]=WARN
[   73.395457][ T1306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.395459][ T1306] Call Trace:
[   73.395460][ T1306]  <TASK>
[   73.395462][ T1306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.395467][ T1306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.395469][ T1306]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.395473][ T1306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.395476][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395480][ T1306]  __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))
[   73.395484][ T1306]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.395486][ T1306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.395490][ T1306]  ? 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)
[   73.395492][ T1306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.395494][ T1306]  put_chars (drivers/char/virtio_console.c:1176)
[   73.395496][ T1306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.395497][ T1306]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   73.395499][ T1306]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   73.395502][ T1306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.395505][ T1306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.395506][ T1306]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.395508][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.395510][ T1306]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.395512][ T1306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.395514][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395516][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395518][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395519][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.395521][ T1306]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   73.395523][ T1306]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.395525][ T1306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.395528][ T1306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.395530][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.395531][ T1306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.395533][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395534][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.395536][ T1306]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   73.395537][ T1306]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   73.395539][ T1306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.395541][ T1306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.395543][ T1306]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.395546][ T1306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.395548][ T1306]  ? __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)
[   73.395550][ T1306]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   73.395552][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395554][ T1306]  _printk (kernel/printk/printk.c:2504)
[   73.395557][ T1306]  ? snapshot_read.cold (user.c:?)
[   73.395559][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395560][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.395562][ T1306]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   73.395564][ T1306] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   73.395579][ T1306] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   73.395587][ T1306] new_nbp (net/bridge/br_if.c:449) bridge
[   73.395595][ T1306] br_add_if (net/bridge/br_if.c:592) bridge
[   73.395603][ T1306]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   73.395605][ T1306]  do_set_master (net/core/rtnetlink.c:3071)
[   73.395609][ T1306]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   73.395611][ T1306]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   73.395612][ T1306]  ? __dev_get_by_name (net/core/dev.c:905)
[   73.395615][ T1306]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   73.395618][ T1306]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   73.395621][ T1306]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.395623][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395625][ T1306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.395626][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.395627][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395629][ T1306]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   73.395633][ T1306]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   73.395635][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395637][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395638][ T1306]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   73.395642][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.395644][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395645][ T1306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.395647][ T1306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.395648][ T1306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.395650][ T1306]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.395652][ T1306]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   73.395656][ T1306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.395659][ T1306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.395660][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.395662][ T1306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.395663][ T1306]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   73.395665][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395667][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.395669][ T1306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.395671][ T1306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.395673][ T1306]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   73.395676][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.395677][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395679][ T1306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.395681][ T1306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.395683][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395685][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.395687][ T1306]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   73.395689][ T1306]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.395691][ T1306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   73.395693][ T1306]  ? move_addr_to_kernel (net/socket.c:258)
[   73.395695][ T1306]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   73.395697][ T1306]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   73.395701][ T1306]  ___sys_sendmsg (net/socket.c:2767)
[   73.395702][ T1306]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.395707][ T1306]  __sys_sendmsg (net/socket.c:2799)
[   73.395709][ T1306]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.395712][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395714][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.395716][ T1306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.395718][ T1306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.395720][ T1306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.395722][ T1306] RIP: 0033:0x7fd08a2ec54e
[   73.395724][ T1306] 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
[   73.395726][ T1306] RSP: 002b:00007ffe51ee9410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.395730][ T1306] RAX: ffffffffffffffda RBX: 00007ffe51ee9bc8 RCX: 00007fd08a2ec54e
[   73.395731][ T1306] RDX: 0000000000000000 RSI: 00007ffe51ee94c0 RDI: 0000000000000005
[   73.395732][ T1306] RBP: 00007ffe51ee9420 R08: 0000000000000000 R09: 0000000000000000
[   73.395733][ T1306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130f0
[   73.395734][ T1306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe51ee9b80
| [   74.401457][ T1367] softirqs last disabled at (0): 0x0
| [   74.401459][ T1367] Preemption disabled at:
| [   74.401460][ T1367] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.401470][ T1367] Tainted: [W]=WARN
[   74.401471][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.401472][ T1367] Call Trace:
[   74.401474][ T1367]  <TASK>
[   74.401475][ T1367]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.401480][ T1367]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.401482][ T1367]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.401486][ T1367]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.401489][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401493][ T1367]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.401496][ T1367]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.401499][ T1367]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.401502][ T1367]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.401504][ T1367]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.401506][ T1367]  put_chars (drivers/char/virtio_console.c:1176)
[   74.401507][ T1367]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.401509][ T1367]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   74.401511][ T1367]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   74.401513][ T1367]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.401516][ T1367]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.401518][ T1367]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.401519][ T1367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.401521][ T1367]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.401524][ T1367]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.401526][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401528][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401529][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401531][ T1367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.401533][ T1367]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   74.401534][ T1367]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.401537][ T1367]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.401539][ T1367]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.401541][ T1367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.401543][ T1367]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.401544][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401546][ T1367]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.401547][ T1367]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   74.401549][ T1367]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   74.401551][ T1367]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.401553][ T1367]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.401555][ T1367]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.401557][ T1367]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.401559][ T1367]  ? __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)
[   74.401562][ T1367]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   74.401563][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401566][ T1367]  _printk (kernel/printk/printk.c:2504)
[   74.401569][ T1367]  ? snapshot_read.cold (user.c:?)
[   74.401571][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401574][ T1367]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.401576][ T1367]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   74.401579][ T1367] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   74.401592][ T1367] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   74.401599][ T1367] new_nbp (net/bridge/br_if.c:449) bridge
[   74.401608][ T1367] br_add_if (net/bridge/br_if.c:592) bridge
[   74.401616][ T1367]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   74.401618][ T1367]  do_set_master (net/core/rtnetlink.c:3071)
[   74.401622][ T1367]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   74.401624][ T1367]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   74.401625][ T1367]  ? __dev_get_by_name (net/core/dev.c:905)
[   74.401628][ T1367]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   74.401631][ T1367]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   74.401634][ T1367]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.401636][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401638][ T1367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.401639][ T1367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.401640][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401643][ T1367]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   74.401646][ T1367]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   74.401648][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401650][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401651][ T1367]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   74.401655][ T1367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.401656][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401658][ T1367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.401660][ T1367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.401661][ T1367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.401663][ T1367]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.401665][ T1367]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.401669][ T1367]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.401672][ T1367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.401674][ T1367]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.401675][ T1367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.401676][ T1367]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   74.401679][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401681][ T1367]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.401683][ T1367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.401685][ T1367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.401686][ T1367]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   74.401689][ T1367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.401691][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401693][ T1367]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.401695][ T1367]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.401697][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401698][ T1367]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.401700][ T1367]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   74.401703][ T1367]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.401705][ T1367]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   74.401706][ T1367]  ? move_addr_to_kernel (net/socket.c:258)
[   74.401708][ T1367]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   74.401711][ T1367]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   74.401714][ T1367]  ___sys_sendmsg (net/socket.c:2767)
[   74.401716][ T1367]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.401721][ T1367]  __sys_sendmsg (net/socket.c:2799)
[   74.401723][ T1367]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.401725][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401727][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.401729][ T1367]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.401731][ T1367]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.401734][ T1367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.401736][ T1367] RIP: 0033:0x7fbcdf60d54e
[   74.401738][ T1367] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.401740][ T1367] RSP: 002b:00007ffe72ef1df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.401744][ T1367] RAX: ffffffffffffffda RBX: 00007ffe72ef25a8 RCX: 00007fbcdf60d54e
[   74.401746][ T1367] RDX: 0000000000000000 RSI: 00007ffe72ef1ea0 RDI: 0000000000000005
[   74.401747][ T1367] RBP: 00007ffe72ef1e00 R08: 0000000000000000 R09: 0000000000000000
[   74.401748][ T1367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130f1
[   74.401749][ T1367] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe72ef2560
| [  120.925418][T17898] softirqs last disabled at (0): 0x0
| [  120.925420][T17898] Preemption disabled at:
| [  120.925420][T17898] vprintk_emit (kernel/printk/printk.c:2471)
| [  120.925431][T17898] Tainted: [W]=WARN
[  120.925433][T17898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  120.925434][T17898] Call Trace:
[  120.925436][T17898]  <TASK>
[  120.925437][T17898]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  120.925442][T17898]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  120.925444][T17898]  __might_resched.cold (kernel/sched/core.c:9234)
[  120.925447][T17898]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  120.925451][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925454][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))
[  120.925458][T17898]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.925460][T17898]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.925464][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)
[  120.925465][T17898]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.925467][T17898]  put_chars (drivers/char/virtio_console.c:1176)
[  120.925469][T17898]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  120.925471][T17898]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  120.925473][T17898]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  120.925476][T17898]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  120.925478][T17898]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.925479][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925481][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.925483][T17898]  console_emit_next_record (kernel/printk/printk.c:3183)
[  120.925485][T17898]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  120.925487][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925489][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925490][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925492][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.925494][T17898]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  120.925495][T17898]  console_flush_one_record (kernel/printk/printk.c:3268)
[  120.925498][T17898]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  120.925500][T17898]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  120.925502][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.925503][T17898]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  120.925505][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925507][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.925508][T17898]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  120.925509][T17898]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  120.925511][T17898]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  120.925513][T17898]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  120.925515][T17898]  vprintk_emit (kernel/printk/printk.c:2479)
[  120.925517][T17898]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  120.925519][T17898]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.925522][T17898]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  120.925525][T17898]  ? ___sys_sendmsg (net/socket.c:2767)
[  120.925527][T17898]  ? __sys_sendmsg (net/socket.c:2799)
[  120.925528][T17898]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.925531][T17898]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.925533][T17898]  _printk (kernel/printk/printk.c:2504)
[  120.925537][T17898]  ? snapshot_read.cold (user.c:?)
[  120.925539][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925540][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925542][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925544][T17898]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  120.925547][T17898]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  120.925549][T17898]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  120.925551][T17898]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  120.925553][T17898]  ? netdev_notice (net/core/dev.c:13194)
[  120.925554][T17898]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  120.925557][T17898]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  120.925558][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)
[  120.925560][T17898]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  120.925563][T17898]  dev_set_allmulti (net/core/dev_api.c:315)
[  120.925566][T17898] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  120.925580][T17898]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  120.925583][T17898] br_dev_delete (net/bridge/br_if.c:387) bridge
[  120.925590][T17898]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  120.925593][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.925595][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925596][T17898]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  120.925598][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925604][T17898]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  120.925607][T17898]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.925608][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925610][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925612][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.925613][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925615][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.925616][T17898]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  120.925619][T17898]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  120.925621][T17898]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  120.925623][T17898]  ? __kernel_text_address (kernel/extable.c:79)
[  120.925625][T17898]  ? write_profile (profile.c:?)
[  120.925627][T17898]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  120.925628][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925630][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925631][T17898]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  120.925635][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.925636][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925638][T17898]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  120.925640][T17898]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  120.925642][T17898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  120.925643][T17898]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  120.925644][T17898]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  120.925648][T17898]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  120.925650][T17898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  120.925651][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.925652][T17898]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  120.925654][T17898]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  120.925656][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925658][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.925660][T17898]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.925661][T17898]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  120.925663][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925665][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925666][T17898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.925668][T17898]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  120.925670][T17898]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  120.925672][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925673][T17898]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.925675][T17898]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  120.925677][T17898]  ? copy_msghdr_from_user (net/socket.c:2650)
[  120.925678][T17898]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  120.925680][T17898]  ? move_addr_to_kernel (net/socket.c:258)
[  120.925681][T17898]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  120.925684][T17898]  ___sys_sendmsg (net/socket.c:2767)
[  120.925685][T17898]  ? copy_msghdr_from_user (net/socket.c:2619)
[  120.925690][T17898]  __sys_sendmsg (net/socket.c:2799)
[  120.925692][T17898]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  120.925694][T17898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.925696][T17898]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.925698][T17898]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  120.925700][T17898]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.925701][T17898] RIP: 0033:0x7f407ad0354e
[  120.925703][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
[  120.925705][T17898] RSP: 002b:00007ffeedca9a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  120.925708][T17898] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f407ad0354e
[  120.925710][T17898] RDX: 0000000000000000 RSI: 00007ffeedca9b20 RDI: 0000000000000005
[  120.925710][T17898] RBP: 00007ffeedca9a80 R08: 0000000000000000 R09: 0000000000000000
[  120.925711][T17898] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913120
[  120.925712][T17898] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeedcaa1e0
| [  122.677422][T17935] softirqs last disabled at (0): 0x0
| [  122.677424][T17935] Preemption disabled at:
| [  122.677425][T17935] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.677436][T17935] Tainted: [W]=WARN
[  122.677436][T17935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.677438][T17935] Call Trace:
[  122.677440][T17935]  <TASK>
[  122.677441][T17935]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.677446][T17935]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.677448][T17935]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.677452][T17935]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.677455][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677459][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))
[  122.677462][T17935]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.677465][T17935]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.677469][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)
[  122.677470][T17935]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.677472][T17935]  put_chars (drivers/char/virtio_console.c:1176)
[  122.677474][T17935]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.677476][T17935]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  122.677479][T17935]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.677482][T17935]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.677483][T17935]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.677485][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677487][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.677489][T17935]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.677491][T17935]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.677493][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677495][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677497][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677498][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.677500][T17935]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.677502][T17935]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.677504][T17935]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.677507][T17935]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.677508][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.677510][T17935]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.677512][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677513][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.677515][T17935]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  122.677516][T17935]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  122.677518][T17935]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.677520][T17935]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.677522][T17935]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.677524][T17935]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.677526][T17935]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.677530][T17935]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.677533][T17935]  ? ___sys_sendmsg (net/socket.c:2767)
[  122.677534][T17935]  ? __sys_sendmsg (net/socket.c:2799)
[  122.677536][T17935]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.677539][T17935]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.677541][T17935]  _printk (kernel/printk/printk.c:2504)
[  122.677545][T17935]  ? snapshot_read.cold (user.c:?)
[  122.677546][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677548][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677550][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677551][T17935]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  122.677554][T17935]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  122.677558][T17935]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  122.677559][T17935]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  122.677561][T17935]  ? netdev_notice (net/core/dev.c:13194)
[  122.677562][T17935]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  122.677566][T17935]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  122.677567][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)
[  122.677569][T17935]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  122.677572][T17935]  dev_set_allmulti (net/core/dev_api.c:315)
[  122.677577][T17935] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  122.677589][T17935]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  122.677592][T17935] br_dev_delete (net/bridge/br_if.c:387) bridge
[  122.677599][T17935]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  122.677602][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.677604][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677606][T17935]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  122.677608][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677614][T17935]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  122.677617][T17935]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.677618][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677620][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677622][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.677623][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677625][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.677626][T17935]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  122.677630][T17935]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  122.677632][T17935]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  122.677634][T17935]  ? __kernel_text_address (kernel/extable.c:79)
[  122.677636][T17935]  ? write_profile (profile.c:?)
[  122.677638][T17935]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  122.677639][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677641][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677643][T17935]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.677646][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.677648][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677649][T17935]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  122.677652][T17935]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.677653][T17935]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.677655][T17935]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.677656][T17935]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.677660][T17935]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.677662][T17935]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.677663][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.677665][T17935]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.677666][T17935]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.677669][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677670][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.677672][T17935]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.677674][T17935]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.677676][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677677][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677679][T17935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.677681][T17935]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.677683][T17935]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.677685][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677687][T17935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.677688][T17935]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.677690][T17935]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.677692][T17935]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  122.677693][T17935]  ? move_addr_to_kernel (net/socket.c:258)
[  122.677695][T17935]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.677697][T17935]  ___sys_sendmsg (net/socket.c:2767)
[  122.677699][T17935]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.677704][T17935]  __sys_sendmsg (net/socket.c:2799)
[  122.677706][T17935]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.677708][T17935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.677711][T17935]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.677712][T17935]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.677714][T17935]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.677716][T17935] RIP: 0033:0x7f5d5315054e
[  122.677718][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
[  122.677719][T17935] RSP: 002b:00007ffe6f2894c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.677723][T17935] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5d5315054e
[  122.677725][T17935] RDX: 0000000000000000 RSI: 00007ffe6f289570 RDI: 0000000000000005
[  122.677725][T17935] RBP: 00007ffe6f2894d0 R08: 0000000000000000 R09: 0000000000000000
[  122.677726][T17935] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913122
[  122.677727][T17935] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6f289c30
| [  124.573457][T17973] softirqs last disabled at (0): 0x0
| [  124.573459][T17973] Preemption disabled at:
| [  124.573460][T17973] vprintk_emit (kernel/printk/printk.c:2471)
| [  124.573471][T17973] Tainted: [W]=WARN
[  124.573472][T17973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  124.573474][T17973] Call Trace:
[  124.573476][T17973]  <TASK>
[  124.573477][T17973]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  124.573483][T17973]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  124.573485][T17973]  __might_resched.cold (kernel/sched/core.c:9234)
[  124.573488][T17973]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  124.573492][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573496][T17973]  __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))
[  124.573499][T17973]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  124.573502][T17973]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.573506][T17973]  ? 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)
[  124.573508][T17973]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.573509][T17973]  put_chars (drivers/char/virtio_console.c:1176)
[  124.573511][T17973]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  124.573513][T17973]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  124.573515][T17973]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  124.573517][T17973]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  124.573520][T17973]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  124.573522][T17973]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  124.573523][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.573525][T17973]  console_emit_next_record (kernel/printk/printk.c:3183)
[  124.573528][T17973]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  124.573530][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573532][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573533][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573535][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.573537][T17973]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  124.573538][T17973]  console_flush_one_record (kernel/printk/printk.c:3268)
[  124.573541][T17973]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  124.573543][T17973]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  124.573545][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.573547][T17973]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  124.573548][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573550][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.573551][T17973]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  124.573553][T17973]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  124.573555][T17973]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  124.573557][T17973]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  124.573559][T17973]  vprintk_emit (kernel/printk/printk.c:2479)
[  124.573561][T17973]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  124.573563][T17973]  ? __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)
[  124.573566][T17973]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  124.573568][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573570][T17973]  _printk (kernel/printk/printk.c:2504)
[  124.573575][T17973]  ? snapshot_read.cold (user.c:?)
[  124.573577][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573579][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.573580][T17973]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  124.573583][T17973] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  124.573595][T17973] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  124.573603][T17973] new_nbp (net/bridge/br_if.c:449) bridge
[  124.573612][T17973] br_add_if (net/bridge/br_if.c:592) bridge
[  124.573619][T17973]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  124.573621][T17973]  do_set_master (net/core/rtnetlink.c:3071)
[  124.573625][T17973]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  124.573627][T17973]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  124.573629][T17973]  ? __dev_get_by_name (net/core/dev.c:905)
[  124.573631][T17973]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  124.573635][T17973]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  124.573637][T17973]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  124.573639][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573641][T17973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.573642][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.573644][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573646][T17973]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  124.573649][T17973]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  124.573651][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573653][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573655][T17973]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  124.573658][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.573660][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573662][T17973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.573663][T17973]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  124.573665][T17973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.573666][T17973]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  124.573669][T17973]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  124.573673][T17973]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  124.573676][T17973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.573677][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.573679][T17973]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  124.573680][T17973]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  124.573683][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573684][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.573686][T17973]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  124.573688][T17973]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  124.573690][T17973]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  124.573693][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.573695][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573697][T17973]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  124.573699][T17973]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  124.573701][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573703][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.573705][T17973]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  124.573708][T17973]  ? copy_msghdr_from_user (net/socket.c:2650)
[  124.573709][T17973]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  124.573711][T17973]  ? move_addr_to_kernel (net/socket.c:258)
[  124.573713][T17973]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  124.573716][T17973]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  124.573719][T17973]  ___sys_sendmsg (net/socket.c:2767)
[  124.573721][T17973]  ? copy_msghdr_from_user (net/socket.c:2619)
[  124.573726][T17973]  __sys_sendmsg (net/socket.c:2799)
[  124.573728][T17973]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  124.573731][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573732][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.573734][T17973]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  124.573737][T17973]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  124.573740][T17973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  124.573743][T17973] RIP: 0033:0x7f31a191b54e
[  124.573745][T17973] 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
[  124.573747][T17973] RSP: 002b:00007ffc18b78790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  124.573751][T17973] RAX: ffffffffffffffda RBX: 00007ffc18b78f48 RCX: 00007f31a191b54e
[  124.573753][T17973] RDX: 0000000000000000 RSI: 00007ffc18b78840 RDI: 0000000000000005
[  124.573753][T17973] RBP: 00007ffc18b787a0 R08: 0000000000000000 R09: 0000000000000000
[  124.573754][T17973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913124
[  124.573755][T17973] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc18b78f00
| [  125.578465][T18032] softirqs last disabled at (0): 0x0
| [  125.578467][T18032] Preemption disabled at:
| [  125.578468][T18032] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.578482][T18032] Tainted: [W]=WARN
[  125.578483][T18032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.578485][T18032] Call Trace:
[  125.578487][T18032]  <TASK>
[  125.578489][T18032]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.578496][T18032]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.578499][T18032]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.578503][T18032]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.578507][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578512][T18032]  __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))
[  125.578516][T18032]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.578520][T18032]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.578525][T18032]  ? 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)
[  125.578528][T18032]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.578530][T18032]  put_chars (drivers/char/virtio_console.c:1176)
[  125.578533][T18032]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.578535][T18032]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  125.578538][T18032]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  125.578542][T18032]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.578547][T18032]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.578548][T18032]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.578551][T18032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.578554][T18032]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.578558][T18032]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.578561][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578563][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578565][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578568][T18032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.578574][T18032]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  125.578577][T18032]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.578581][T18032]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.578585][T18032]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.578587][T18032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.578590][T18032]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.578592][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578594][T18032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.578597][T18032]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  125.578599][T18032]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  125.578602][T18032]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.578604][T18032]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.578607][T18032]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.578611][T18032]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.578614][T18032]  ? __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)
[  125.578618][T18032]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  125.578620][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578623][T18032]  _printk (kernel/printk/printk.c:2504)
[  125.578627][T18032]  ? snapshot_read.cold (user.c:?)
[  125.578630][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578632][T18032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.578635][T18032]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  125.578639][T18032] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  125.578657][T18032] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  125.578671][T18032] new_nbp (net/bridge/br_if.c:449) bridge
[  125.578686][T18032] br_add_if (net/bridge/br_if.c:592) bridge
[  125.578699][T18032]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  125.578703][T18032]  do_set_master (net/core/rtnetlink.c:3071)
[  125.578709][T18032]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.578712][T18032]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  125.578714][T18032]  ? __dev_get_by_name (net/core/dev.c:905)
[  125.578717][T18032]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  125.578723][T18032]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.578727][T18032]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.578731][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578734][T18032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.578736][T18032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.578740][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578745][T18032]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  125.578749][T18032]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  125.578752][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578755][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578757][T18032]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  125.578761][T18032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.578763][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578766][T18032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.578769][T18032]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  125.578771][T18032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.578774][T18032]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  125.578777][T18032]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  125.578782][T18032]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  125.578786][T18032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.578788][T18032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.578790][T18032]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  125.578792][T18032]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  125.578797][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578799][T18032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.578803][T18032]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  125.578806][T18032]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  125.578809][T18032]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  125.578813][T18032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.578815][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578819][T18032]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  125.578822][T18032]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  125.578825][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578828][T18032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.578830][T18032]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  125.578834][T18032]  ? copy_msghdr_from_user (net/socket.c:2650)
[  125.578836][T18032]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  125.578839][T18032]  ? move_addr_to_kernel (net/socket.c:258)
[  125.578842][T18032]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  125.578846][T18032]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  125.578850][T18032]  ___sys_sendmsg (net/socket.c:2767)
[  125.578853][T18032]  ? copy_msghdr_from_user (net/socket.c:2619)
[  125.578862][T18032]  __sys_sendmsg (net/socket.c:2799)
[  125.578865][T18032]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  125.578869][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578872][T18032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.578875][T18032]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  125.578878][T18032]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  125.578882][T18032]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.578885][T18032] RIP: 0033:0x7f87c8fa254e
[  125.578887][T18032] 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
[  125.578890][T18032] RSP: 002b:00007ffcac7f94f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  125.578895][T18032] RAX: ffffffffffffffda RBX: 00007ffcac7f9ca8 RCX: 00007f87c8fa254e
[  125.578897][T18032] RDX: 0000000000000000 RSI: 00007ffcac7f95a0 RDI: 0000000000000005
[  125.578899][T18032] RBP: 00007ffcac7f9500 R08: 0000000000000000 R09: 0000000000000000
[  125.578901][T18032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913125
[  125.578902][T18032] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcac7f9c60
| [  126.591460][T18097] softirqs last disabled at (0): 0x0
| [  126.591462][T18097] Preemption disabled at:
| [  126.591463][T18097] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.591474][T18097] Tainted: [W]=WARN
[  126.591475][T18097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.591477][T18097] Call Trace:
[  126.591478][T18097]  <TASK>
[  126.591480][T18097]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.591486][T18097]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.591487][T18097]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.591491][T18097]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.591495][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591498][T18097]  __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))
[  126.591502][T18097]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.591505][T18097]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.591509][T18097]  ? 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)
[  126.591511][T18097]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.591513][T18097]  put_chars (drivers/char/virtio_console.c:1176)
[  126.591514][T18097]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.591516][T18097]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  126.591518][T18097]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  126.591521][T18097]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.591524][T18097]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.591525][T18097]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.591527][T18097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.591529][T18097]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.591531][T18097]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.591533][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591535][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591537][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591538][T18097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.591540][T18097]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  126.591542][T18097]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.591544][T18097]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.591547][T18097]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.591549][T18097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.591551][T18097]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.591553][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591554][T18097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.591556][T18097]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  126.591557][T18097]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  126.591559][T18097]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.591561][T18097]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.591563][T18097]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.591566][T18097]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.591568][T18097]  ? __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)
[  126.591572][T18097]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.591574][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591577][T18097]  _printk (kernel/printk/printk.c:2504)
[  126.591580][T18097]  ? snapshot_read.cold (user.c:?)
[  126.591582][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591584][T18097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.591585][T18097]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  126.591588][T18097] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  126.591600][T18097] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  126.591608][T18097] new_nbp (net/bridge/br_if.c:449) bridge
[  126.591617][T18097] br_add_if (net/bridge/br_if.c:592) bridge
[  126.591625][T18097]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  126.591627][T18097]  do_set_master (net/core/rtnetlink.c:3071)
[  126.591632][T18097]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  126.591634][T18097]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  126.591635][T18097]  ? __dev_get_by_name (net/core/dev.c:905)
[  126.591637][T18097]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  126.591641][T18097]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  126.591644][T18097]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.591646][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591648][T18097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.591649][T18097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.591650][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591652][T18097]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  126.591656][T18097]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  126.591658][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591660][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591661][T18097]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  126.591665][T18097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.591667][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591669][T18097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.591670][T18097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.591672][T18097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.591673][T18097]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  126.591676][T18097]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  126.591680][T18097]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.591683][T18097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.591684][T18097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.591686][T18097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.591687][T18097]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  126.591690][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591692][T18097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.591694][T18097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.591696][T18097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.591697][T18097]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  126.591701][T18097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.591702][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591704][T18097]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.591706][T18097]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.591708][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591710][T18097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.591712][T18097]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  126.591715][T18097]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.591717][T18097]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  126.591718][T18097]  ? move_addr_to_kernel (net/socket.c:258)
[  126.591720][T18097]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  126.591723][T18097]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  126.591726][T18097]  ___sys_sendmsg (net/socket.c:2767)
[  126.591728][T18097]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.591733][T18097]  __sys_sendmsg (net/socket.c:2799)
[  126.591735][T18097]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.591738][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591740][T18097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.591742][T18097]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.591744][T18097]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.591746][T18097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.591748][T18097] RIP: 0033:0x7f4a296b354e
[  126.591750][T18097] 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
[  126.591752][T18097] RSP: 002b:00007ffdfc7b92c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.591756][T18097] RAX: ffffffffffffffda RBX: 00007ffdfc7b9a78 RCX: 00007f4a296b354e
[  126.591758][T18097] RDX: 0000000000000000 RSI: 00007ffdfc7b9370 RDI: 0000000000000005
[  126.591759][T18097] RBP: 00007ffdfc7b92d0 R08: 0000000000000000 R09: 0000000000000000
[  126.591759][T18097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913126
[  126.591760][T18097] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfc7b9a30
| [  172.696407][ T2168] softirqs last disabled at (0): 0x0
| [  172.696410][ T2168] Preemption disabled at:
| [  172.696411][ T2168] vprintk_emit (kernel/printk/printk.c:2471)
| [  172.696424][ T2168] Tainted: [W]=WARN
[  172.696426][ T2168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  172.696428][ T2168] Call Trace:
[  172.696430][ T2168]  <TASK>
[  172.696431][ T2168]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  172.696438][ T2168]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  172.696441][ T2168]  __might_resched.cold (kernel/sched/core.c:9234)
[  172.696445][ T2168]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  172.696449][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696454][ T2168]  __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))
[  172.696459][ T2168]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.696462][ T2168]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.696467][ T2168]  ? 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)
[  172.696469][ T2168]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.696472][ T2168]  put_chars (drivers/char/virtio_console.c:1176)
[  172.696475][ T2168]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  172.696477][ T2168]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  172.696481][ T2168]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  172.696486][ T2168]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  172.696489][ T2168]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.696491][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696498][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.696502][ T2168]  console_emit_next_record (kernel/printk/printk.c:3183)
[  172.696505][ T2168]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  172.696508][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696510][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696513][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696515][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.696518][ T2168]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  172.696520][ T2168]  console_flush_one_record (kernel/printk/printk.c:3268)
[  172.696524][ T2168]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  172.696528][ T2168]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  172.696530][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.696533][ T2168]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  172.696535][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696538][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.696540][ T2168]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  172.696542][ T2168]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  172.696545][ T2168]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  172.696548][ T2168]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  172.696551][ T2168]  vprintk_emit (kernel/printk/printk.c:2479)
[  172.696554][ T2168]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  172.696557][ T2168]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.696561][ T2168]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  172.696565][ T2168]  ? ___sys_sendmsg (net/socket.c:2767)
[  172.696567][ T2168]  ? __sys_sendmsg (net/socket.c:2799)
[  172.696570][ T2168]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.696576][ T2168]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.696579][ T2168]  _printk (kernel/printk/printk.c:2504)
[  172.696583][ T2168]  ? snapshot_read.cold (user.c:?)
[  172.696586][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696588][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696591][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696593][ T2168]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  172.696597][ T2168]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  172.696601][ T2168]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  172.696604][ T2168]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  172.696606][ T2168]  ? netdev_notice (net/core/dev.c:13194)
[  172.696608][ T2168]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  172.696613][ T2168]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  172.696615][ T2168]  ? 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)
[  172.696618][ T2168]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  172.696622][ T2168]  dev_set_allmulti (net/core/dev_api.c:315)
[  172.696626][ T2168] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  172.696644][ T2168]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  172.696648][ T2168] br_dev_delete (net/bridge/br_if.c:387) bridge
[  172.696662][ T2168]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  172.696666][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.696668][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696671][ T2168]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  172.696674][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696684][ T2168]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  172.696688][ T2168]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.696690][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696693][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696695][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.696697][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696700][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.696703][ T2168]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  172.696707][ T2168]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  172.696709][ T2168]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  172.696713][ T2168]  ? __kernel_text_address (kernel/extable.c:79)
[  172.696715][ T2168]  ? write_profile (profile.c:?)
[  172.696718][ T2168]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  172.696720][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696723][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696725][ T2168]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  172.696730][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.696732][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696735][ T2168]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  172.696738][ T2168]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  172.696741][ T2168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.696743][ T2168]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  172.696745][ T2168]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  172.696751][ T2168]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  172.696753][ T2168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.696755][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.696758][ T2168]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  172.696760][ T2168]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  172.696764][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696766][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.696769][ T2168]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.696773][ T2168]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  172.696775][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696777][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696780][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.696783][ T2168]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  172.696786][ T2168]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  172.696789][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696792][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.696795][ T2168]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  172.696797][ T2168]  ? copy_msghdr_from_user (net/socket.c:2650)
[  172.696800][ T2168]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  172.696802][ T2168]  ? move_addr_to_kernel (net/socket.c:258)
[  172.696804][ T2168]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  172.696808][ T2168]  ___sys_sendmsg (net/socket.c:2767)
[  172.696811][ T2168]  ? copy_msghdr_from_user (net/socket.c:2619)
[  172.696819][ T2168]  __sys_sendmsg (net/socket.c:2799)
[  172.696822][ T2168]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  172.696826][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.696829][ T2168]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.696832][ T2168]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  172.696835][ T2168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.696837][ T2168] RIP: 0033:0x7f560ea7354e
[  172.696840][ T2168] 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
[  172.696843][ T2168] RSP: 002b:00007ffeb5fe5470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  172.696847][ T2168] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f560ea7354e
[  172.696849][ T2168] RDX: 0000000000000000 RSI: 00007ffeb5fe5520 RDI: 0000000000000005
[  172.696851][ T2168] RBP: 00007ffeb5fe5480 R08: 0000000000000000 R09: 0000000000000000
[  172.696853][ T2168] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913154
[  172.696854][ T2168] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb5fe5be0
| [  174.569092][ T2205] softirqs last disabled at (0): 0x0
| [  174.569094][ T2205] Preemption disabled at:
| [  174.569095][ T2205] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.569106][ T2205] Tainted: [W]=WARN
[  174.569107][ T2205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.569109][ T2205] Call Trace:
[  174.569111][ T2205]  <TASK>
[  174.569112][ T2205]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.569118][ T2205]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.569119][ T2205]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.569123][ T2205]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.569127][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569131][ 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))
[  174.569134][ T2205]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.569137][ T2205]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.569140][ 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)
[  174.569142][ T2205]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.569144][ T2205]  put_chars (drivers/char/virtio_console.c:1176)
[  174.569146][ T2205]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.569148][ T2205]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  174.569150][ T2205]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.569154][ T2205]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.569155][ T2205]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.569157][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569159][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.569161][ T2205]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.569164][ T2205]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.569166][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569167][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569169][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569171][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.569173][ T2205]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  174.569174][ T2205]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.569177][ T2205]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.569179][ T2205]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.569181][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.569183][ T2205]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.569184][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569186][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.569187][ T2205]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  174.569189][ T2205]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  174.569191][ T2205]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.569193][ T2205]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.569195][ T2205]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.569197][ T2205]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.569199][ T2205]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.569202][ T2205]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  174.569205][ T2205]  ? ___sys_sendmsg (net/socket.c:2767)
[  174.569207][ T2205]  ? __sys_sendmsg (net/socket.c:2799)
[  174.569209][ T2205]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.569212][ T2205]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.569214][ T2205]  _printk (kernel/printk/printk.c:2504)
[  174.569218][ T2205]  ? snapshot_read.cold (user.c:?)
[  174.569219][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569221][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569223][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569224][ T2205]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  174.569227][ T2205]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  174.569230][ T2205]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  174.569232][ T2205]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  174.569233][ T2205]  ? netdev_notice (net/core/dev.c:13194)
[  174.569235][ T2205]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  174.569238][ T2205]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  174.569239][ 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)
[  174.569241][ T2205]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  174.569244][ T2205]  dev_set_allmulti (net/core/dev_api.c:315)
[  174.569247][ T2205] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  174.569259][ T2205]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  174.569262][ T2205] br_dev_delete (net/bridge/br_if.c:387) bridge
[  174.569270][ T2205]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  174.569273][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.569274][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569276][ T2205]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.569278][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569285][ T2205]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  174.569287][ T2205]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.569289][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569290][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569292][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.569294][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569295][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.569297][ T2205]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  174.569300][ T2205]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  174.569302][ T2205]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.569304][ T2205]  ? __kernel_text_address (kernel/extable.c:79)
[  174.569306][ T2205]  ? write_profile (profile.c:?)
[  174.569308][ T2205]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  174.569309][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569311][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569312][ T2205]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  174.569316][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.569317][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569319][ T2205]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.569321][ T2205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.569323][ T2205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.569325][ T2205]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.569326][ T2205]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  174.569330][ T2205]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.569332][ T2205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.569333][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.569335][ T2205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.569336][ T2205]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  174.569338][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569340][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.569342][ T2205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.569344][ T2205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.569346][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569347][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569349][ T2205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.569351][ T2205]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.569353][ T2205]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.569355][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569356][ T2205]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.569358][ T2205]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  174.569360][ T2205]  ? copy_msghdr_from_user (net/socket.c:2650)
[  174.569361][ T2205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  174.569363][ T2205]  ? move_addr_to_kernel (net/socket.c:258)
[  174.569364][ T2205]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.569367][ T2205]  ___sys_sendmsg (net/socket.c:2767)
[  174.569369][ T2205]  ? copy_msghdr_from_user (net/socket.c:2619)
[  174.569374][ T2205]  __sys_sendmsg (net/socket.c:2799)
[  174.569375][ T2205]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  174.569378][ T2205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.569380][ T2205]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.569381][ T2205]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.569384][ T2205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.569386][ T2205] RIP: 0033:0x7fc8af4d954e
[  174.569387][ 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
[  174.569389][ T2205] RSP: 002b:00007ffe24d7aed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  174.569393][ T2205] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc8af4d954e
[  174.569394][ T2205] RDX: 0000000000000000 RSI: 00007ffe24d7af80 RDI: 0000000000000005
[  174.569395][ T2205] RBP: 00007ffe24d7aee0 R08: 0000000000000000 R09: 0000000000000000
[  174.569396][ T2205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913156
[  174.569397][ T2205] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe24d7b640
| [  188.201611][ T2339] softirqs last disabled at (0): 0x0
| [  188.201612][ T2339] Preemption disabled at:
| [  188.201613][ T2339] vprintk_emit (kernel/printk/printk.c:2471)
| [  188.201625][ T2339] Tainted: [W]=WARN
[  188.201626][ T2339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.201627][ T2339] Call Trace:
[  188.201629][ T2339]  <TASK>
[  188.201630][ T2339]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  188.201635][ T2339]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  188.201637][ T2339]  __might_resched.cold (kernel/sched/core.c:9234)
[  188.201641][ T2339]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  188.201644][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201648][ T2339]  __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))
[  188.201651][ T2339]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.201654][ T2339]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.201658][ T2339]  ? 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)
[  188.201659][ T2339]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.201661][ T2339]  put_chars (drivers/char/virtio_console.c:1176)
[  188.201663][ T2339]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  188.201665][ T2339]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  188.201667][ T2339]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  188.201669][ T2339]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  188.201673][ T2339]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  188.201674][ T2339]  ? 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)
[  188.201676][ T2339]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.201677][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201679][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201681][ T2339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.201683][ T2339]  console_emit_next_record (kernel/printk/printk.c:3183)
[  188.201686][ T2339]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  188.201688][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201690][ T2339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.201692][ T2339]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  188.201693][ T2339]  console_flush_one_record (kernel/printk/printk.c:3268)
[  188.201696][ T2339]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  188.201698][ T2339]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  188.201700][ T2339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.201702][ T2339]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  188.201703][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201705][ T2339]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.201706][ T2339]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  188.201708][ T2339]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  188.201710][ T2339]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  188.201712][ T2339]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  188.201714][ T2339]  vprintk_emit (kernel/printk/printk.c:2479)
[  188.201716][ T2339]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  188.201719][ T2339]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  188.201721][ T2339]  _printk (kernel/printk/printk.c:2504)
[  188.201725][ T2339]  ? snapshot_read.cold (user.c:?)
[  188.201728][ T2339]  ? 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)
[  188.201730][ T2339] gact_init_module (net/sched/act_gact.c:180) act_gact
[  188.201731][ T2339]  do_one_initcall (init/main.c:1357)
[  188.201734][ T2339]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  188.201736][ T2339]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  188.201739][ T2339]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  188.201743][ T2339]  do_init_module (kernel/module/main.c:3117)
[  188.201746][ T2339]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  188.201748][ T2339]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  188.201751][ T2339]  load_module (kernel/module/main.c:3593)
[  188.201755][ T2339]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  188.201758][ T2339]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.201761][ T2339]  ? __ia32_sys_fsconfig (??:?)
[  188.201764][ T2339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.201767][ T2339]  init_module_from_file (kernel/module/main.c:3790)
[  188.201770][ T2339]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  188.201772][ T2339]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  188.201776][ T2339]  ? handle_pte_fault (mm/memory.c:6558)
[  188.201779][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201781][ T2339]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  188.201785][ T2339]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.201787][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201790][ T2339]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.201791][ T2339]  ? 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)
[  188.201793][ T2339]  idempotent_init_module (kernel/module/main.c:3802)
[  188.201796][ T2339]  ? init_module_from_file (kernel/module/main.c:3791)
[  188.201799][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201801][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.201803][ T2339]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  188.201807][ T2339]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  188.201810][ T2339]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  188.201813][ T2339]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  188.201817][ T2339]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  188.201819][ T2339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.201821][ T2339] RIP: 0033:0x7f5837dca37d
[  188.201824][ T2339] 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
[  188.201826][ T2339] RSP: 002b:00007ffcff5706a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  188.201830][ T2339] RAX: ffffffffffffffda RBX: 000056540d903810 RCX: 00007f5837dca37d
[  188.201832][ T2339] RDX: 0000000000000000 RSI: 00005653cdd56ffd RDI: 0000000000000000
[  188.201833][ T2339] RBP: 00007ffcff570740 R08: 0000000000000000 R09: 0000000000000000
[  188.201834][ T2339] R10: 0000000000000000 R11: 0000000000000246 R12: 00005653cdd56ffd
[  188.201835][ T2339] R13: 000056540d903960 R14: 0000000000040000 R15: 0000000000000000
| [  204.418608][ T2966] softirqs last disabled at (0): 0x0
| [  204.418610][ T2966] Preemption disabled at:
| [  204.418611][ T2966] 0x0
| [  204.418619][ T2966] Tainted: [W]=WARN
[  204.418620][ T2966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  204.418623][ T2966] Call Trace:
[  204.418624][ T2966]  <TASK>
[  204.418625][ T2966]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  204.418631][ T2966]  __might_resched.cold (kernel/sched/core.c:9234)
[  204.418635][ T2966]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  204.418639][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418643][ T2966]  __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))
[  204.418646][ T2966]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  204.418649][ T2966]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  204.418653][ T2966]  ? 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)
[  204.418654][ T2966]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  204.418657][ T2966]  put_chars (drivers/char/virtio_console.c:1176)
[  204.418659][ T2966]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  204.418660][ T2966]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  204.418664][ T2966]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  204.418667][ T2966]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  204.418669][ T2966]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  204.418670][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418672][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.418674][ T2966]  console_emit_next_record (kernel/printk/printk.c:3183)
[  204.418677][ T2966]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  204.418679][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418680][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418682][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418684][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.418686][ T2966]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  204.418687][ T2966]  console_flush_one_record (kernel/printk/printk.c:3268)
[  204.418690][ T2966]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  204.418692][ T2966]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  204.418694][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.418695][ T2966]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  204.418697][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418698][ T2966]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  204.418700][ T2966]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  204.418701][ T2966]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  204.418703][ T2966]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  204.418705][ T2966]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  204.418707][ T2966]  vprintk_emit (kernel/printk/printk.c:2479)
[  204.418710][ T2966]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  204.418711][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418713][ T2966]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  204.418715][ T2966]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  204.418717][ T2966]  _printk (kernel/printk/printk.c:2504)
[  204.418720][ T2966]  ? snapshot_read.cold (user.c:?)
[  204.418722][ T2966]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  204.418727][ T2966] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  204.418740][ T2966] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  204.418748][ T2966] br_device_event (net/bridge/br.c:111) bridge
[  204.418756][ T2966]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  204.418760][ T2966]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  204.418762][ T2966]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  204.418765][ T2966]  notifier_call_chain (kernel/notifier.c:85)
[  204.418768][ T2966]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  204.418772][ T2966]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  204.418773][ T2966]  ? netif_change_name (net/core/dev.c:1517)
[  204.418776][ T2966]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  204.418777][ T2966]  ? __kernel_text_address (kernel/extable.c:79)
[  204.418780][ T2966]  ? write_profile (profile.c:?)
[  204.418782][ T2966]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  204.418784][ T2966]  netif_change_flags (net/core/dev.c:9882)
[  204.418787][ T2966]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  204.418789][ T2966]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  204.418791][ T2966]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  204.418792][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418794][ T2966]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  204.418797][ T2966]  ? kasan_save_stack (mm/kasan/common.c:58)
[  204.418800][ T2966]  ? kasan_save_stack (mm/kasan/common.c:57)
[  204.418801][ T2966]  ? kasan_save_track (mm/kasan/common.c:78)
[  204.418803][ T2966]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  204.418804][ T2966]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  204.418806][ T2966]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  204.418807][ T2966]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  204.418808][ T2966]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  204.418811][ T2966]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  204.418812][ T2966]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  204.418814][ T2966]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  204.418816][ T2966]  ? ___sys_sendmsg (net/socket.c:2767)
[  204.418817][ T2966]  ? __sys_sendmsg (net/socket.c:2799)
[  204.418819][ T2966]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  204.418821][ T2966]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  204.418823][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418825][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.418826][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418828][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418830][ T2966]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  204.418833][ T2966]  ? __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)
[  204.418835][ T2966]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  204.418836][ T2966]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  204.418837][ T2966]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  204.418839][ T2966]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  204.418841][ T2966]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  204.418843][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418845][ T2966]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  204.418846][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.418848][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418850][ T2966]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  204.418853][ T2966]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  204.418854][ T2966]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  204.418856][ T2966]  ? __kernel_text_address (kernel/extable.c:79)
[  204.418857][ T2966]  ? write_profile (profile.c:?)
[  204.418858][ T2966]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  204.418859][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418861][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418862][ T2966]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  204.418866][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.418867][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418869][ T2966]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  204.418870][ T2966]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  204.418872][ T2966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  204.418873][ T2966]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  204.418874][ T2966]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  204.418877][ T2966]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  204.418878][ T2966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  204.418880][ T2966]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  204.418881][ T2966]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  204.418882][ T2966]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  204.418885][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418886][ T2966]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  204.418888][ T2966]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  204.418890][ T2966]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  204.418892][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418893][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418895][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.418897][ T2966]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  204.418899][ T2966]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  204.418901][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418902][ T2966]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  204.418904][ T2966]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  204.418906][ T2966]  ? copy_msghdr_from_user (net/socket.c:2650)
[  204.418907][ T2966]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  204.418909][ T2966]  ? move_addr_to_kernel (net/socket.c:258)
[  204.418910][ T2966]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  204.418913][ T2966]  ___sys_sendmsg (net/socket.c:2767)
[  204.418914][ T2966]  ? copy_msghdr_from_user (net/socket.c:2619)
[  204.418919][ T2966]  __sys_sendmsg (net/socket.c:2799)
[  204.418921][ T2966]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  204.418924][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.418926][ T2966]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  204.418927][ T2966]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  204.418929][ T2966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  204.418931][ T2966] RIP: 0033:0x7fe654d9354e
[  204.418933][ T2966] 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
[  204.418935][ T2966] RSP: 002b:00007ffc0308e330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  204.418938][ T2966] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe654d9354e
[  204.418940][ T2966] RDX: 0000000000000000 RSI: 00007ffc0308e3e0 RDI: 0000000000000005
[  204.418941][ T2966] RBP: 00007ffc0308e340 R08: 0000000000000000 R09: 0000000000000000
[  204.418941][ T2966] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913173
[  204.418942][ T2966] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0308eaa0
| [  220.561710][ T3058] softirqs last disabled at (0): 0x0
| [  220.561712][ T3058] Preemption disabled at:
| [  220.561713][ T3058] 0x0
| [  220.561722][ T3058] Tainted: [W]=WARN
[  220.561723][ T3058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  220.561725][ T3058] Call Trace:
[  220.561726][ T3058]  <TASK>
[  220.561727][ T3058]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  220.561733][ T3058]  __might_resched.cold (kernel/sched/core.c:9234)
[  220.561737][ T3058]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  220.561741][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561745][ T3058]  __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))
[  220.561748][ T3058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  220.561751][ T3058]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.561756][ T3058]  ? 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)
[  220.561757][ T3058]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.561759][ T3058]  put_chars (drivers/char/virtio_console.c:1176)
[  220.561761][ T3058]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  220.561763][ T3058]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  220.561766][ T3058]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  220.561769][ T3058]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  220.561771][ T3058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  220.561773][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561775][ T3058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.561777][ T3058]  console_emit_next_record (kernel/printk/printk.c:3183)
[  220.561779][ T3058]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  220.561781][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561783][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561784][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561786][ T3058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.561788][ T3058]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  220.561790][ T3058]  console_flush_one_record (kernel/printk/printk.c:3268)
[  220.561792][ T3058]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  220.561795][ T3058]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  220.561796][ T3058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.561798][ T3058]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  220.561799][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561801][ T3058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.561803][ T3058]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  220.561804][ T3058]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  220.561806][ T3058]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  220.561808][ T3058]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  220.561810][ T3058]  vprintk_emit (kernel/printk/printk.c:2479)
[  220.561812][ T3058]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  220.561814][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561816][ T3058]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  220.561818][ T3058]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  220.561820][ T3058]  _printk (kernel/printk/printk.c:2504)
[  220.561823][ T3058]  ? snapshot_read.cold (user.c:?)
[  220.561825][ T3058]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  220.561830][ T3058] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  220.561843][ T3058] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  220.561850][ T3058] br_device_event (net/bridge/br.c:111) bridge
[  220.561859][ T3058]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  220.561862][ T3058]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  220.561864][ T3058]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  220.561868][ T3058]  notifier_call_chain (kernel/notifier.c:85)
[  220.561871][ T3058]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  220.561874][ T3058]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  220.561876][ T3058]  ? netif_change_name (net/core/dev.c:1517)
[  220.561878][ T3058]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  220.561880][ T3058]  ? __kernel_text_address (kernel/extable.c:79)
[  220.561882][ T3058]  ? write_profile (profile.c:?)
[  220.561885][ T3058]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  220.561888][ T3058]  netif_change_flags (net/core/dev.c:9882)
[  220.561890][ T3058]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  220.561893][ T3058]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  220.561894][ T3058]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  220.561895][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561897][ T3058]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  220.561901][ T3058]  ? kasan_save_stack (mm/kasan/common.c:58)
[  220.561904][ T3058]  ? kasan_save_stack (mm/kasan/common.c:57)
[  220.561905][ T3058]  ? kasan_save_track (mm/kasan/common.c:78)
[  220.561907][ T3058]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  220.561908][ T3058]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  220.561910][ T3058]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  220.561911][ T3058]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  220.561912][ T3058]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  220.561915][ T3058]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  220.561916][ T3058]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  220.561918][ T3058]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  220.561920][ T3058]  ? ___sys_sendmsg (net/socket.c:2767)
[  220.561922][ T3058]  ? __sys_sendmsg (net/socket.c:2799)
[  220.561923][ T3058]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  220.561925][ T3058]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.561928][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561929][ T3058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.561931][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561932][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561934][ T3058]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  220.561937][ T3058]  ? __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)
[  220.561939][ T3058]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  220.561940][ T3058]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  220.561942][ T3058]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  220.561944][ T3058]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  220.561946][ T3058]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  220.561947][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561949][ T3058]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  220.561950][ T3058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.561952][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561954][ T3058]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  220.561957][ T3058]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  220.561959][ T3058]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  220.561960][ T3058]  ? __kernel_text_address (kernel/extable.c:79)
[  220.561961][ T3058]  ? write_profile (profile.c:?)
[  220.561962][ T3058]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  220.561963][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561965][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561967][ T3058]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  220.561971][ T3058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.561972][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561974][ T3058]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  220.561975][ T3058]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  220.561977][ T3058]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  220.561978][ T3058]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  220.561979][ T3058]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  220.561982][ T3058]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  220.561983][ T3058]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  220.561985][ T3058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.561986][ T3058]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  220.561987][ T3058]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  220.561990][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561992][ T3058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.561993][ T3058]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  220.561995][ T3058]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  220.561997][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.561998][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.562000][ T3058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.562002][ T3058]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  220.562004][ T3058]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  220.562006][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.562007][ T3058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.562009][ T3058]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  220.562011][ T3058]  ? copy_msghdr_from_user (net/socket.c:2650)
[  220.562012][ T3058]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  220.562014][ T3058]  ? move_addr_to_kernel (net/socket.c:258)
[  220.562015][ T3058]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  220.562018][ T3058]  ___sys_sendmsg (net/socket.c:2767)
[  220.562019][ T3058]  ? copy_msghdr_from_user (net/socket.c:2619)
[  220.562024][ T3058]  __sys_sendmsg (net/socket.c:2799)
[  220.562026][ T3058]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  220.562029][ T3058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.562031][ T3058]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  220.562032][ T3058]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  220.562034][ T3058]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.562036][ T3058] RIP: 0033:0x7f142a8a554e
[  220.562038][ T3058] 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
[  220.562040][ T3058] RSP: 002b:00007fffc0e1d220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  220.562043][ T3058] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f142a8a554e
[  220.562045][ T3058] RDX: 0000000000000000 RSI: 00007fffc0e1d2d0 RDI: 0000000000000005
[  220.562045][ T3058] RBP: 00007fffc0e1d230 R08: 0000000000000000 R09: 0000000000000000
[  220.562046][ T3058] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913184
[  220.562047][ T3058] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc0e1d990
| [  226.323623][ T3112] softirqs last disabled at (0): 0x0
| [  226.323625][ T3112] Preemption disabled at:
| [  226.323626][ T3112] 0x0
| [  226.323634][ T3112] Tainted: [W]=WARN
[  226.323635][ T3112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  226.323637][ T3112] Call Trace:
[  226.323638][ T3112]  <TASK>
[  226.323640][ T3112]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  226.323645][ T3112]  __might_resched.cold (kernel/sched/core.c:9234)
[  226.323649][ T3112]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  226.323652][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323656][ T3112]  __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))
[  226.323660][ T3112]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  226.323662][ T3112]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.323666][ T3112]  ? 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)
[  226.323668][ T3112]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.323670][ T3112]  put_chars (drivers/char/virtio_console.c:1176)
[  226.323672][ T3112]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  226.323673][ T3112]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  226.323676][ T3112]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  226.323684][ T3112]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  226.323687][ T3112]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  226.323688][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323690][ T3112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.323692][ T3112]  console_emit_next_record (kernel/printk/printk.c:3183)
[  226.323695][ T3112]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  226.323697][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323698][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323700][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323702][ T3112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.323704][ T3112]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  226.323705][ T3112]  console_flush_one_record (kernel/printk/printk.c:3268)
[  226.323708][ T3112]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  226.323710][ T3112]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  226.323712][ T3112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.323713][ T3112]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  226.323715][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323717][ T3112]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.323718][ T3112]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  226.323719][ T3112]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  226.323721][ T3112]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  226.323723][ T3112]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  226.323725][ T3112]  vprintk_emit (kernel/printk/printk.c:2479)
[  226.323727][ T3112]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  226.323729][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323731][ T3112]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  226.323733][ T3112]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  226.323735][ T3112]  _printk (kernel/printk/printk.c:2504)
[  226.323738][ T3112]  ? snapshot_read.cold (user.c:?)
[  226.323740][ T3112]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  226.323745][ T3112] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  226.323758][ T3112] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  226.323766][ T3112] br_device_event (net/bridge/br.c:111) bridge
[  226.323774][ T3112]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  226.323777][ T3112]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  226.323780][ T3112]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  226.323783][ T3112]  notifier_call_chain (kernel/notifier.c:85)
[  226.323786][ T3112]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  226.323790][ T3112]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  226.323791][ T3112]  ? netif_change_name (net/core/dev.c:1517)
[  226.323793][ T3112]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  226.323795][ T3112]  ? __kernel_text_address (kernel/extable.c:79)
[  226.323798][ T3112]  ? write_profile (profile.c:?)
[  226.323800][ T3112]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  226.323803][ T3112]  netif_change_flags (net/core/dev.c:9882)
[  226.323805][ T3112]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  226.323808][ T3112]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  226.323809][ T3112]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  226.323810][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323812][ T3112]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  226.323816][ T3112]  ? kasan_save_stack (mm/kasan/common.c:58)
[  226.323818][ T3112]  ? kasan_save_stack (mm/kasan/common.c:57)
[  226.323820][ T3112]  ? kasan_save_track (mm/kasan/common.c:78)
[  226.323821][ T3112]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  226.323823][ T3112]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  226.323824][ T3112]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  226.323826][ T3112]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.323827][ T3112]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.323829][ T3112]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.323831][ T3112]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.323832][ T3112]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  226.323835][ T3112]  ? ___sys_sendmsg (net/socket.c:2767)
[  226.323836][ T3112]  ? __sys_sendmsg (net/socket.c:2799)
[  226.323837][ T3112]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.323839][ T3112]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.323842][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323844][ T3112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.323845][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323847][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323849][ T3112]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  226.323851][ T3112]  ? __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)
[  226.323853][ T3112]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  226.323854][ T3112]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.323856][ T3112]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  226.323858][ T3112]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  226.323860][ T3112]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.323862][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323864][ T3112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.323865][ T3112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.323866][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323868][ T3112]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  226.323871][ T3112]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  226.323873][ T3112]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  226.323874][ T3112]  ? __kernel_text_address (kernel/extable.c:79)
[  226.323876][ T3112]  ? write_profile (profile.c:?)
[  226.323877][ T3112]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  226.323878][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323880][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323881][ T3112]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  226.323885][ T3112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.323886][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323888][ T3112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.323889][ T3112]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.323891][ T3112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.323892][ T3112]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  226.323893][ T3112]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  226.323896][ T3112]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.323897][ T3112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.323899][ T3112]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.323900][ T3112]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  226.323901][ T3112]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  226.323904][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323905][ T3112]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.323907][ T3112]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.323909][ T3112]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  226.323911][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323913][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323914][ T3112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.323916][ T3112]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.323918][ T3112]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  226.323920][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323921][ T3112]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.323923][ T3112]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  226.323925][ T3112]  ? copy_msghdr_from_user (net/socket.c:2650)
[  226.323926][ T3112]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  226.323928][ T3112]  ? move_addr_to_kernel (net/socket.c:258)
[  226.323929][ T3112]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  226.323932][ T3112]  ___sys_sendmsg (net/socket.c:2767)
[  226.323934][ T3112]  ? copy_msghdr_from_user (net/socket.c:2619)
[  226.323938][ T3112]  __sys_sendmsg (net/socket.c:2799)
[  226.323940][ T3112]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  226.323943][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.323945][ T3112]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.323946][ T3112]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  226.323948][ T3112]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.323950][ T3112] RIP: 0033:0x7fea734d054e
[  226.323952][ T3112] 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
[  226.323954][ T3112] RSP: 002b:00007ffdd19c5470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  226.323957][ T3112] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fea734d054e
[  226.323959][ T3112] RDX: 0000000000000000 RSI: 00007ffdd19c5520 RDI: 0000000000000005
[  226.323960][ T3112] RBP: 00007ffdd19c5480 R08: 0000000000000000 R09: 0000000000000000
[  226.323960][ T3112] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913189


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__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