======================================
| [   12.300383][  T263] softirqs last disabled at (23439): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.300386][  T263] Preemption disabled at:
| [   12.300387][  T263] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.300396][  T263] Tainted: [W]=WARN
[   12.300397][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.300399][  T263] Call Trace:
[   12.300400][  T263]  <TASK>
[   12.300402][  T263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.300407][  T263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.300410][  T263]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.300415][  T263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.300419][  T263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.300424][  T263]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.300426][  T263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.300432][  T263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.300435][  T263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.300438][  T263]  put_chars (drivers/char/virtio_console.c:1176)
[   12.300441][  T263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.300443][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.300448][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.300450][  T263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.300455][  T263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.300457][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.300462][  T263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.300465][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.300470][  T263]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.300474][  T263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.300475][  T263]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.300479][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.300481][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.300485][  T263]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.300489][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.300491][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.300496][  T263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.300499][  T263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.300501][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.300503][  T263]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.300507][  T263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.300509][  T263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.300512][  T263]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.300516][  T263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.300522][  T263]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   12.300526][  T263]  _printk (kernel/printk/printk.c:2504)
[   12.300530][  T263]  ? snapshot_read.cold (user.c:?)
[   12.300536][  T263]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   12.300539][  T263] 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
[   12.300542][  T263]  do_one_initcall (init/main.c:1357)
[   12.300545][  T263]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.300549][  T263]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.300553][  T263]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.300557][  T263]  do_init_module (kernel/module/main.c:3117)
[   12.300561][  T263]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.300565][  T263]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.300569][  T263]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.300573][  T263]  load_module (kernel/module/main.c:3593)
[   12.300580][  T263]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.300584][  T263]  ? __ia32_sys_fsconfig (??:?)
[   12.300594][  T263]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.300599][  T263]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.300602][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.300606][  T263]  init_module_from_file (kernel/module/main.c:3790)
[   12.300609][  T263]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.300617][  T263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.300621][  T263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.300624][  T263]  idempotent_init_module (kernel/module/main.c:3802)
[   12.300627][  T263]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.300634][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.300636][  T263]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.300642][  T263]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.300644][  T263]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.300648][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.300650][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.300652][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.300655][  T263] RIP: 0033:0x7f44263ed37d
[   12.300658][  T263] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.300660][  T263] RSP: 002b:00007ffddb8b5268 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.300663][  T263] RAX: ffffffffffffffda RBX: 000055c24ce21810 RCX: 00007f44263ed37d
[   12.300664][  T263] RDX: 0000000000000000 RSI: 000055c248926ffd RDI: 0000000000000000
[   12.300665][  T263] RBP: 00007ffddb8b5300 R08: 0000000000000000 R09: 0000000000000000
[   12.300666][  T263] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c248926ffd
[   12.300667][  T263] R13: 000055c24ce21960 R14: 0000000000040000 R15: 0000000000000000
| [   13.383619][  T346] softirqs last disabled at (17424): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.383622][  T346] Preemption disabled at:
| [   13.383623][  T346] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.383632][  T346] Tainted: [W]=WARN
[   13.383633][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.383635][  T346] Call Trace:
[   13.383637][  T346]  <TASK>
[   13.383639][  T346]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.383644][  T346]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.383647][  T346]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.383651][  T346]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.383656][  T346]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.383661][  T346]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.383663][  T346]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.383669][  T346]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.383672][  T346]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.383675][  T346]  put_chars (drivers/char/virtio_console.c:1176)
[   13.383677][  T346]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.383682][  T346]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.383685][  T346]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.383688][  T346]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.383690][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383692][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383696][  T346]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.383698][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.383701][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383705][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.383710][  T346]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.383713][  T346]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.383715][  T346]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.383718][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383721][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.383725][  T346]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.383731][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.383733][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383738][  T346]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.383741][  T346]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.383743][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383745][  T346]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.383749][  T346]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.383751][  T346]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.383754][  T346]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.383758][  T346]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.383761][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.383763][  T346]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.383767][  T346]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.383771][  T346]  _printk (kernel/printk/printk.c:2504)
[   13.383774][  T346]  ? snapshot_read.cold (user.c:?)
[   13.383778][  T346]  ? br_multicast_flood (??:?) bridge
[   13.383791][  T346]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.383793][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.383794][  T346]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.383799][  T346] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.383809][  T346] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.383818][  T346] new_nbp (net/bridge/br_if.c:449) bridge
[   13.383828][  T346] br_add_if (net/bridge/br_if.c:592) bridge
[   13.383835][  T346]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.383840][  T346]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.383843][  T346]  ? __kernel_text_address (kernel/extable.c:79)
[   13.383847][  T346]  do_set_master (net/core/rtnetlink.c:3071)
[   13.383851][  T346]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.383855][  T346]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.383858][  T346]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.383859][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.383861][  T346]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.383865][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.383868][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.383870][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.383872][  T346]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.383875][  T346]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.383877][  T346]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.383880][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383882][  T346]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.383885][  T346]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.383889][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.383891][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.383894][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383896][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.383898][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383900][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383902][  T346]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.383906][  T346]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.383908][  T346]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.383910][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.383914][  T346]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.383915][  T346]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.383920][  T346]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.383926][  T346]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.383931][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.383933][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383938][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.383940][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.383942][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.383944][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.383948][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.383950][  T346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.383953][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.383954][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383959][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.383961][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.383964][  T346]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.383966][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.383969][  T346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.383975][  T346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.383977][  T346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.383981][  T346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.383985][  T346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.383988][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383992][  T346]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.383996][  T346]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.384000][  T346]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.384005][  T346]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.384008][  T346]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.384010][  T346]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.384012][  T346]  ? move_addr_to_kernel (net/socket.c:258)
[   13.384019][  T346]  ___sys_sendmsg (net/socket.c:2767)
[   13.384022][  T346]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.384039][  T346]  __sys_sendmsg (net/socket.c:2799)
[   13.384041][  T346]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.384048][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.384052][  T346]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.384054][  T346]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.384057][  T346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.384060][  T346] RIP: 0033:0x7f1bb15b054e
[   13.384063][  T346] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.384065][  T346] RSP: 002b:00007ffd8d9c7700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.384068][  T346] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1bb15b054e
[   13.384070][  T346] RDX: 0000000000000000 RSI: 00007ffd8d9c77b0 RDI: 0000000000000005
[   13.384071][  T346] RBP: 00007ffd8d9c7710 R08: 0000000000000000 R09: 0000000000000000
[   13.384071][  T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129b9
[   13.384072][  T346] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8d9c7e70
| [   14.576399][  T426] softirqs last disabled at (16904): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.576402][  T426] Preemption disabled at:
| [   14.576402][  T426] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.576412][  T426] Tainted: [W]=WARN
[   14.576413][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.576415][  T426] Call Trace:
[   14.576416][  T426]  <TASK>
[   14.576418][  T426]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.576423][  T426]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.576426][  T426]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.576430][  T426]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.576435][  T426]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.576440][  T426]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.576442][  T426]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.576448][  T426]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.576451][  T426]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.576454][  T426]  put_chars (drivers/char/virtio_console.c:1176)
[   14.576456][  T426]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.576458][  T426]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.576461][  T426]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.576466][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.576468][  T426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.576472][  T426]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.576475][  T426]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.576477][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.576479][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.576483][  T426]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.576485][  T426]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.576488][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.576490][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.576495][  T426]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.576499][  T426]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.576501][  T426]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.576504][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.576506][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.576510][  T426]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.576515][  T426]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.576517][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.576522][  T426]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.576525][  T426]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.576527][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.576529][  T426]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.576533][  T426]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.576535][  T426]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.576538][  T426]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.576543][  T426]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.576545][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.576548][  T426]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.576552][  T426]  _printk (kernel/printk/printk.c:2504)
[   14.576555][  T426]  ? snapshot_read.cold (user.c:?)
[   14.576559][  T426]  ? br_multicast_flood (??:?) bridge
[   14.576573][  T426]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.576574][  T426]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.576576][  T426]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.576580][  T426] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.576591][  T426] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.576599][  T426] new_nbp (net/bridge/br_if.c:449) bridge
[   14.576614][  T426] br_add_if (net/bridge/br_if.c:592) bridge
[   14.576622][  T426]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.576626][  T426]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.576629][  T426]  ? __kernel_text_address (kernel/extable.c:79)
[   14.576633][  T426]  do_set_master (net/core/rtnetlink.c:3071)
[   14.576638][  T426]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.576641][  T426]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.576644][  T426]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.576645][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.576647][  T426]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.576651][  T426]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.576654][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.576656][  T426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.576658][  T426]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.576661][  T426]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.576663][  T426]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.576666][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.576668][  T426]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.576671][  T426]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.576675][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.576677][  T426]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.576680][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.576682][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.576684][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.576686][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.576688][  T426]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.576692][  T426]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.576695][  T426]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.576698][  T426]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.576701][  T426]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.576703][  T426]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.576708][  T426]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.576713][  T426]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.576718][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.576720][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.576725][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.576729][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.576732][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.576734][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.576737][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.576740][  T426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.576743][  T426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.576744][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.576748][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.576750][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.576754][  T426]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.576756][  T426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.576759][  T426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.576765][  T426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.576766][  T426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.576771][  T426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.576774][  T426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.576777][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.576781][  T426]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.576785][  T426]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.576789][  T426]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.576794][  T426]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.576797][  T426]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.576799][  T426]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.576801][  T426]  ? move_addr_to_kernel (net/socket.c:258)
[   14.576808][  T426]  ___sys_sendmsg (net/socket.c:2767)
[   14.576811][  T426]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.576827][  T426]  __sys_sendmsg (net/socket.c:2799)
[   14.576830][  T426]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.576836][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.576840][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.576842][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.576845][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.576848][  T426] RIP: 0033:0x7f660c38b54e
[   14.576851][  T426] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.576853][  T426] RSP: 002b:00007ffcb4ea0890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.576856][  T426] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f660c38b54e
[   14.576858][  T426] RDX: 0000000000000000 RSI: 00007ffcb4ea0940 RDI: 0000000000000005
[   14.576859][  T426] RBP: 00007ffcb4ea08a0 R08: 0000000000000000 R09: 0000000000000000
[   14.576859][  T426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129ba
[   14.576860][  T426] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb4ea1000
| [   15.696100][  T518] softirqs last disabled at (16956): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.696102][  T518] Preemption disabled at:
| [   15.696103][  T518] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.696113][  T518] Tainted: [W]=WARN
[   15.696114][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.696115][  T518] Call Trace:
[   15.696117][  T518]  <TASK>
[   15.696119][  T518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.696125][  T518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.696127][  T518]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.696132][  T518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.696136][  T518]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.696141][  T518]  __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))
[   15.696144][  T518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.696150][  T518]  ? 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)
[   15.696153][  T518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.696156][  T518]  put_chars (drivers/char/virtio_console.c:1176)
[   15.696158][  T518]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.696160][  T518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.696163][  T518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.696168][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.696170][  T518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.696174][  T518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.696177][  T518]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.696179][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.696181][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.696185][  T518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.696187][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.696190][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.696193][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.696197][  T518]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.696201][  T518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.696203][  T518]  ? 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))
[   15.696206][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.696209][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.696213][  T518]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.696217][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.696219][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.696224][  T518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.696227][  T518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.696229][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.696232][  T518]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.696235][  T518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.696237][  T518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.696241][  T518]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.696245][  T518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.696248][  T518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.696250][  T518]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.696254][  T518]  _printk (kernel/printk/printk.c:2504)
[   15.696258][  T518]  ? snapshot_read.cold (user.c:?)
[   15.696262][  T518]  ? br_multicast_flood (??:?) bridge
[   15.696275][  T518]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.696277][  T518]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.696278][  T518]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.696282][  T518] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.696293][  T518] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.696302][  T518] new_nbp (net/bridge/br_if.c:449) bridge
[   15.696312][  T518] br_add_if (net/bridge/br_if.c:592) bridge
[   15.696320][  T518]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.696324][  T518]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.696327][  T518]  ? __kernel_text_address (kernel/extable.c:79)
[   15.696331][  T518]  do_set_master (net/core/rtnetlink.c:3071)
[   15.696336][  T518]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.696339][  T518]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.696342][  T518]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.696344][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.696346][  T518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.696349][  T518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.696352][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.696354][  T518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.696356][  T518]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.696359][  T518]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.696361][  T518]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.696364][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.696366][  T518]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.696369][  T518]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.696373][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.696376][  T518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.696378][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.696381][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.696382][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.696384][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.696386][  T518]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.696390][  T518]  ? __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)
[   15.696393][  T518]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.696395][  T518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.696399][  T518]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.696401][  T518]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.696406][  T518]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.696411][  T518]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.696416][  T518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.696418][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.696423][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.696425][  T518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.696427][  T518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.696429][  T518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.696433][  T518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.696435][  T518]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.696438][  T518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.696440][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.696444][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.696446][  T518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.696449][  T518]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.696451][  T518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.696454][  T518]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.696461][  T518]  ? 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))
[   15.696462][  T518]  ? 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))
[   15.696466][  T518]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.696470][  T518]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.696473][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.696477][  T518]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.696481][  T518]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.696485][  T518]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.696490][  T518]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.696493][  T518]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.696495][  T518]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.696497][  T518]  ? move_addr_to_kernel (net/socket.c:258)
[   15.696504][  T518]  ___sys_sendmsg (net/socket.c:2767)
[   15.696507][  T518]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.696523][  T518]  __sys_sendmsg (net/socket.c:2799)
[   15.696526][  T518]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.696532][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.696536][  T518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.696539][  T518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.696542][  T518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.696544][  T518] RIP: 0033:0x7fcf640e354e
[   15.696548][  T518] 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
[   15.696550][  T518] RSP: 002b:00007ffe70f0f640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.696553][  T518] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcf640e354e
[   15.696554][  T518] RDX: 0000000000000000 RSI: 00007ffe70f0f6f0 RDI: 0000000000000005
[   15.696555][  T518] RBP: 00007ffe70f0f650 R08: 0000000000000000 R09: 0000000000000000
[   15.696556][  T518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129bc
[   15.696557][  T518] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe70f0fdb0
| [   17.136684][  T628] softirqs last disabled at (21222): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.136686][  T628] Preemption disabled at:
| [   17.136687][  T628] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.136697][  T628] Tainted: [W]=WARN
[   17.136698][  T628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.136700][  T628] Call Trace:
[   17.136701][  T628]  <TASK>
[   17.136703][  T628]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.136709][  T628]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.136711][  T628]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.136716][  T628]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.136720][  T628]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.136725][  T628]  __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))
[   17.136731][  T628]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.136737][  T628]  ? 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)
[   17.136740][  T628]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.136743][  T628]  put_chars (drivers/char/virtio_console.c:1176)
[   17.136745][  T628]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.136747][  T628]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.136750][  T628]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.136754][  T628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.136757][  T628]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.136760][  T628]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.136763][  T628]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.136765][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.136767][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.136771][  T628]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.136773][  T628]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.136777][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.136779][  T628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.136783][  T628]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.136787][  T628]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.136789][  T628]  ? 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))
[   17.136793][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.136795][  T628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.136799][  T628]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.136803][  T628]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.136805][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.136811][  T628]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.136814][  T628]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.136816][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.136818][  T628]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.136822][  T628]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.136824][  T628]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.136827][  T628]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.136831][  T628]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.136834][  T628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.136839][  T628]  _printk (kernel/printk/printk.c:2504)
[   17.136843][  T628]  ? snapshot_read.cold (user.c:?)
[   17.136847][  T628]  ? br_multicast_flood (??:?) bridge
[   17.136861][  T628]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.136862][  T628]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.136864][  T628]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.136868][  T628] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.136879][  T628] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   17.136888][  T628] new_nbp (net/bridge/br_if.c:449) bridge
[   17.136898][  T628] br_add_if (net/bridge/br_if.c:592) bridge
[   17.136905][  T628]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   17.136909][  T628]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.136912][  T628]  ? __kernel_text_address (kernel/extable.c:79)
[   17.136916][  T628]  do_set_master (net/core/rtnetlink.c:3071)
[   17.136921][  T628]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.136924][  T628]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.136927][  T628]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.136928][  T628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.136930][  T628]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.136934][  T628]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.136936][  T628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.136938][  T628]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.136941][  T628]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.136944][  T628]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.136946][  T628]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.136948][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.136950][  T628]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   17.136953][  T628]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.136958][  T628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.136960][  T628]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.136963][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.136965][  T628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.136966][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.136968][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.136971][  T628]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.136975][  T628]  ? __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)
[   17.136978][  T628]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.136980][  T628]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.136984][  T628]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.136985][  T628]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.136990][  T628]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.136996][  T628]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.137001][  T628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.137003][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.137007][  T628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.137009][  T628]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.137011][  T628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.137013][  T628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.137017][  T628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.137019][  T628]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.137022][  T628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.137023][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.137028][  T628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.137030][  T628]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.137033][  T628]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.137035][  T628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.137038][  T628]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.137044][  T628]  ? 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))
[   17.137046][  T628]  ? 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))
[   17.137050][  T628]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.137054][  T628]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.137057][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.137061][  T628]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.137065][  T628]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.137069][  T628]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.137074][  T628]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.137077][  T628]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.137079][  T628]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.137081][  T628]  ? move_addr_to_kernel (net/socket.c:258)
[   17.137088][  T628]  ___sys_sendmsg (net/socket.c:2767)
[   17.137091][  T628]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.137107][  T628]  __sys_sendmsg (net/socket.c:2799)
[   17.137110][  T628]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.137116][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.137120][  T628]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.137122][  T628]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.137125][  T628]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.137128][  T628] RIP: 0033:0x7fd4acbc854e
[   17.137132][  T628] 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
[   17.137134][  T628] RSP: 002b:00007ffe85eefc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.137137][  T628] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd4acbc854e
[   17.137138][  T628] RDX: 0000000000000000 RSI: 00007ffe85eefcc0 RDI: 0000000000000005
[   17.137139][  T628] RBP: 00007ffe85eefc20 R08: 0000000000000000 R09: 0000000000000000
[   17.137140][  T628] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129bd
[   17.137141][  T628] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe85ef0380
| [   18.836508][   T74] softirqs last disabled at (84228): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   18.836523][   T74] Preemption disabled at:
| [   18.836523][   T74] 0x0
| [   18.836537][   T74] Tainted: [W]=WARN
[   18.836538][   T74] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.836541][   T74] Workqueue: events_unbound linkwatch_event
[   18.836545][   T74] Call Trace:
[   18.836548][   T74]  <TASK>
[   18.836550][   T74]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.836559][   T74]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.836565][   T74]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.836571][   T74]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.836579][   T74]  __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))
[   18.836583][   T74]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.836592][   T74]  ? 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)
[   18.836596][   T74]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.836601][   T74]  put_chars (drivers/char/virtio_console.c:1176)
[   18.836606][   T74]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.836612][   T74]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.836618][   T74]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.836622][   T74]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.836635][   T74]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.836639][   T74]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.836642][   T74]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.836645][   T74]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.836653][   T74]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.836655][   T74]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.836664][   T74]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.836671][   T74]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.836678][   T74]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.836681][   T74]  ? 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))
[   18.836686][   T74]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.836691][   T74]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.836698][   T74]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.836705][   T74]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.836707][   T74]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.836717][   T74]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.836722][   T74]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.836724][   T74]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.836730][   T74]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.836737][   T74]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.836740][   T74]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.836746][   T74]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.836753][   T74]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.836757][   T74]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.836762][   T74]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.836769][   T74]  _printk (kernel/printk/printk.c:2504)
[   18.836774][   T74]  ? snapshot_read.cold (user.c:?)
[   18.836784][   T74]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.836792][   T74] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.836811][   T74] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   18.836826][   T74] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   18.836840][   T74] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   18.836857][   T74] br_device_event (net/bridge/br.c:101) bridge
[   18.836872][   T74]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.836876][   T74]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.836888][   T74]  notifier_call_chain (kernel/notifier.c:85)
[   18.836899][   T74]  netif_state_change (net/core/dev.c:1625)
[   18.836907][   T74]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   18.836916][   T74]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.836919][   T74]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.836925][   T74]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.836929][   T74]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.836938][   T74]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.836941][   T74]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   18.836948][   T74]  process_one_work (kernel/workqueue.c:3387)
[   18.836960][   T74]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.836966][   T74]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.836981][   T74]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.836988][   T74]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.836992][   T74]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.836996][   T74]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.837001][   T74]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.837005][   T74]  kthread (kernel/kthread.c:436)
[   18.837007][   T74]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.837011][   T74]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.837016][   T74]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.837023][   T74]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.837029][   T74]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.837034][   T74]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.837039][   T74]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.182668][   T39] softirqs last disabled at (146120): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   20.182676][   T39] Preemption disabled at:
| [   20.182677][   T39] 0x0
| [   20.182687][   T39] Tainted: [W]=WARN
[   20.182688][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.182690][   T39] Workqueue: events_unbound linkwatch_event
[   20.182693][   T39] Call Trace:
[   20.182695][   T39]  <TASK>
[   20.182697][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.182704][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.182709][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.182713][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.182718][   T39]  __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))
[   20.182721][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.182731][   T39]  ? 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)
[   20.182734][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.182737][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   20.182741][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.182744][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.182748][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.182751][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.182755][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.182758][   T39]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.182760][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.182761][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.182766][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.182767][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.182772][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.182776][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.182780][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.182783][   T39]  ? 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))
[   20.182786][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.182789][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.182793][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.182797][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.182799][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.182805][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.182808][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.182810][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.182812][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.182816][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.182818][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.182822][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.182826][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.182829][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.182832][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.182836][   T39]  _printk (kernel/printk/printk.c:2504)
[   20.182840][   T39]  ? snapshot_read.cold (user.c:?)
[   20.182845][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.182850][   T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   20.182860][   T39] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   20.182869][   T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   20.182877][   T39] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   20.182886][   T39] br_device_event (net/bridge/br.c:101) bridge
[   20.182895][   T39]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   20.182897][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   20.182905][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   20.182911][   T39]  netif_state_change (net/core/dev.c:1625)
[   20.182916][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   20.182921][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   20.182923][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   20.182926][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.182929][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.182934][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   20.182936][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   20.182940][   T39]  process_one_work (kernel/workqueue.c:3387)
[   20.182947][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   20.182950][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.182958][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   20.182965][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   20.182967][   T39]  kthread (kernel/kthread.c:436)
[   20.182970][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.182973][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   20.182975][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.182979][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   20.182983][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.182986][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   20.182989][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.207392][  T923] softirqs last disabled at (10634): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   26.207395][  T923] Preemption disabled at:
| [   26.207395][  T923] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.207405][  T923] Tainted: [W]=WARN
[   26.207406][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.207408][  T923] Call Trace:
[   26.207410][  T923]  <TASK>
[   26.207411][  T923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.207418][  T923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.207420][  T923]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.207425][  T923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.207429][  T923]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.207434][  T923]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.207437][  T923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.207442][  T923]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.207445][  T923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.207448][  T923]  put_chars (drivers/char/virtio_console.c:1176)
[   26.207451][  T923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.207454][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.207458][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.207461][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.207465][  T923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.207468][  T923]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.207469][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.207471][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.207475][  T923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.207477][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.207481][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.207485][  T923]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.207489][  T923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.207491][  T923]  ? 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))
[   26.207495][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.207497][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.207501][  T923]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.207506][  T923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.207508][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.207513][  T923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.207516][  T923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.207518][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.207520][  T923]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.207524][  T923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.207526][  T923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.207529][  T923]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.207533][  T923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.207537][  T923]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.207539][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.207543][  T923]  _printk (kernel/printk/printk.c:2504)
[   26.207547][  T923]  ? snapshot_read.cold (user.c:?)
[   26.207549][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.207552][  T923]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.207555][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.207557][  T923]  ? mpol_to_str (mm/mempolicy.c:3580)
[   26.207559][  T923]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.207562][  T923]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.207566][  T923]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.207569][  T923]  ? netdev_notice (net/core/dev.c:13194)
[   26.207570][  T923]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   26.207574][  T923]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   26.207580][  T923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.207584][  T923]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   26.207589][  T923]  dev_set_allmulti (net/core/dev_api.c:315)
[   26.207593][  T923]  vif_add (net/ipv4/ipmr.c:900)
[   26.207595][  T923]  ? __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)
[   26.207597][  T923]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.207601][  T923]  ? pim_rcv (net/ipv4/ipmr.c:2435)
[   26.207604][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.207606][  T923]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.207612][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.207616][  T923]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.207621][  T923]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491 (discriminator 1))
[   26.207624][  T923]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2967)
[   26.207633][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.207638][  T923]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   26.207643][  T923]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   26.207645][  T923]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   26.207647][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.207650][  T923]  ? filemap_update_page (mm/filemap.c:2607)
[   26.207654][  T923]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   26.207659][  T923]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   26.207660][  T923]  ? handle_pte_fault (mm/memory.c:6558)
[   26.207665][  T923]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   26.207669][  T923]  raw_setsockopt (net/ipv4/raw.c:851)
[   26.207680][  T923]  ? raw_bind (net/ipv4/raw.c:733)
[   26.207682][  T923]  ? __handle_mm_fault (mm/memory.c:6707)
[   26.207685][  T923]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   26.207689][  T923]  do_sock_setsockopt (net/socket.c:2397)
[   26.207693][  T923]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   26.207698][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.207702][  T923]  __sys_setsockopt (net/socket.c:2422)
[   26.207707][  T923]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   26.207709][  T923]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.207712][  T923]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.207715][  T923]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.207717][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.207718][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.207721][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.207724][  T923] RIP: 0033:0x7f640b5652de
[   26.207729][  T923] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   26.207731][  T923] RSP: 002b:00007fff702f63e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   26.207734][  T923] RAX: ffffffffffffffda RBX: 00005559de5822c0 RCX: 00007f640b5652de
[   26.207736][  T923] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   26.207737][  T923] RBP: 00007fff702f64a0 R08: 0000000000000010 R09: 0000000000000001
[   26.207738][  T923] R10: 00007fff702f6420 R11: 0000000000000246 R12: 0000555a1be3fef4
[   26.207739][  T923] R13: 0000000000000001 R14: 0000555a1be3fee0 R15: 0000000000000000
| [   28.943551][  T992] softirqs last disabled at (13862): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   28.943553][  T992] Preemption disabled at:
| [   28.943554][  T992] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.943563][  T992] Tainted: [W]=WARN
[   28.943564][  T992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.943566][  T992] Call Trace:
[   28.943568][  T992]  <TASK>
[   28.943569][  T992]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.943575][  T992]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.943578][  T992]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.943582][  T992]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.943587][  T992]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.943592][  T992]  __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))
[   28.943595][  T992]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.943600][  T992]  ? 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)
[   28.943603][  T992]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.943607][  T992]  put_chars (drivers/char/virtio_console.c:1176)
[   28.943610][  T992]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.943611][  T992]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.943616][  T992]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.943621][  T992]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.943628][  T992]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.943630][  T992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.943632][  T992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.943637][  T992]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.943641][  T992]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.943643][  T992]  ? 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))
[   28.943646][  T992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.943648][  T992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.943652][  T992]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.943657][  T992]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.943658][  T992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.943664][  T992]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.943667][  T992]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.943669][  T992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.943671][  T992]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.943675][  T992]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.943677][  T992]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.943680][  T992]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.943684][  T992]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.943686][  T992]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.943688][  T992]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.943696][  T992]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.943697][  T992]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.943700][  T992]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.943702][  T992]  ? __sys_sendmsg (net/socket.c:2799)
[   28.943704][  T992]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.943709][  T992]  _printk (kernel/printk/printk.c:2504)
[   28.943713][  T992]  ? snapshot_read.cold (user.c:?)
[   28.943717][  T992]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.943721][  T992]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.943724][  T992]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.943729][  T992]  ? netdev_notice (net/core/dev.c:13194)
[   28.943733][  T992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.943735][  T992]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   28.943738][  T992]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   28.943739][  T992]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.943742][  T992]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.943745][  T992]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   28.943750][  T992]  dev_set_allmulti (net/core/dev_api.c:315)
[   28.943754][  T992] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   28.943767][  T992]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.943773][  T992] br_del_if (net/bridge/br_if.c:732) bridge
[   28.943781][  T992]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.943784][  T992]  do_set_master (net/core/rtnetlink.c:3055)
[   28.943788][  T992]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.943793][  T992]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.943796][  T992]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.943798][  T992]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.943800][  T992]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.943803][  T992]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.943806][  T992]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.943808][  T992]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.943811][  T992]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.943814][  T992]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.943815][  T992]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.943818][  T992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.943820][  T992]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   28.943822][  T992]  ? ___sys_sendmsg (net/socket.c:2757)
[   28.943825][  T992]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.943827][  T992]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.943830][  T992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.943832][  T992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.943834][  T992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.943836][  T992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.943838][  T992]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.943841][  T992]  ? __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)
[   28.943844][  T992]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.943846][  T992]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.943849][  T992]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.943851][  T992]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.943856][  T992]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.943861][  T992]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.943867][  T992]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.943869][  T992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.943873][  T992]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.943875][  T992]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.943878][  T992]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.943879][  T992]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.943883][  T992]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.943885][  T992]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.943888][  T992]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.943890][  T992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.943894][  T992]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.943896][  T992]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.943900][  T992]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.943901][  T992]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.943904][  T992]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.943911][  T992]  ? 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))
[   28.943912][  T992]  ? 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))
[   28.943917][  T992]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.943920][  T992]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.943923][  T992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.943927][  T992]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.943931][  T992]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.943935][  T992]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.943940][  T992]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.943942][  T992]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.943945][  T992]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.943946][  T992]  ? move_addr_to_kernel (net/socket.c:258)
[   28.943954][  T992]  ___sys_sendmsg (net/socket.c:2767)
[   28.943957][  T992]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.943972][  T992]  __sys_sendmsg (net/socket.c:2799)
[   28.943975][  T992]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.943982][  T992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.943985][  T992]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.943987][  T992]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.943990][  T992]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.943993][  T992] RIP: 0033:0x7f8fcf91554e
[   28.943996][  T992] 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
[   28.943998][  T992] RSP: 002b:00007ffd9b1c5770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.944000][  T992] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8fcf91554e
[   28.944002][  T992] RDX: 0000000000000000 RSI: 00007ffd9b1c5820 RDI: 0000000000000005
[   28.944003][  T992] RBP: 00007ffd9b1c5780 R08: 0000000000000000 R09: 0000000000000000
[   28.944004][  T992] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129c9
[   28.944004][  T992] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9b1c5ee0
| [   31.112825][    C3] softirqs last disabled at (1268497): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   31.112826][    C3] Preemption disabled at:
| [   31.112827][    C3] 0x0
| [   31.112837][    C3] Tainted: [W]=WARN
[   31.112838][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.112840][    C3] Call Trace:
[   31.112842][    C3]  <IRQ>
[   31.112844][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.112849][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.112853][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.112856][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   31.112859][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.112863][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   31.112866][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.112869][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.112873][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.112874][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.112876][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   31.112879][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.112880][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   31.112884][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.112887][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.112888][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.112890][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.112892][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.112895][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.112897][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.112898][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.112900][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.112902][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   31.112904][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.112906][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.112909][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.112911][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.112912][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.112914][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.112915][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.112917][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.112919][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.112921][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.112923][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.112925][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.112927][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.112939][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.112941][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.112947][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.112953][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   31.112957][    C3]  _printk (kernel/printk/printk.c:2504)
[   31.112960][    C3]  ? snapshot_read.cold (user.c:?)
[   31.112962][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   31.112966][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.112968][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   31.112970][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   31.112972][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   31.112975][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   31.112977][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   31.112979][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   31.112981][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.112983][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.112989][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.112991][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.112993][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.112999][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   31.113001][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.113007][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.113013][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.113019][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   31.113022][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   31.113024][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   31.113028][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.113030][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.113031][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.113034][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   31.113035][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.113042][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   31.113044][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.113047][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.113049][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   31.113051][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   31.113053][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.113055][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.113057][    C3]  handle_softirqs (kernel/softirq.c:645)
[   31.113059][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.113060][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   31.113062][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   31.113064][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   31.113066][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   31.113069][    C3]  </IRQ>
[   31.113069][    C3]  <TASK>
[   31.113070][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.113072][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   31.113074][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   31.113077][    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
[   31.113078][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   31.113082][    C3] RAX: 0000000000135b0f RBX: ff11000001c88040 RCX: ffffffffa64f0307
[   31.113083][    C3] RDX: ff11000001c88040 RSI: ffffffffa9238b01 RDI: ffffffffa8c8d8e0
[   31.113084][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   31.113085][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   31.113085][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   31.113087][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.113090][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   31.113092][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   31.113094][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.113096][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   31.113097][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   31.113100][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.113101][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.113103][    C3]  do_idle (kernel/sched/idle.c:355)
[   31.113105][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   31.113106][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   31.113108][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   31.113110][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   31.170119][    C3]
| [   31.170188][    C3]
| [   31.170188][    C3] stack backtrace:
| [   31.170412][    C3] Tainted: [W]=WARN
[   31.170413][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.170415][    C3] Call Trace:
[   31.170416][    C3]  <IRQ>
[   31.170417][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.170421][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   31.170425][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   31.170428][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   31.170430][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   31.170431][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   31.170433][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.170435][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.170443][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.170446][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.170448][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.170454][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   31.170456][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.170462][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.170468][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.170475][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   31.170477][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   31.170479][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   31.170482][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.170484][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.170486][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.170488][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   31.170490][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.170497][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   31.170499][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.170502][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.170504][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   31.170506][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   31.170508][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.170510][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.170512][    C3]  handle_softirqs (kernel/softirq.c:645)
[   31.170514][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.170515][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   31.170517][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   31.170519][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   31.170520][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   31.170522][    C3]  </IRQ>
[   31.170523][    C3]  <TASK>
[   31.170524][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.170525][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   31.170527][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   31.170529][    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
[   31.170531][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   31.170533][    C3] RAX: 0000000000135b0f RBX: ff11000001c88040 RCX: ffffffffa64f0307
[   31.170534][    C3] RDX: ff11000001c88040 RSI: ffffffffa9238b01 RDI: ffffffffa8c8d8e0
[   31.170535][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   31.170536][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   31.170537][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   31.170538][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.170540][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   31.170542][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   31.170544][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.170546][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   31.170547][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   31.170549][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.170550][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.170552][    C3]  do_idle (kernel/sched/idle.c:355)
[   31.170554][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   31.170555][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   31.170557][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   31.170559][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   32.200803][ T1108] softirqs last disabled at (0): 0x0
| [   32.200805][ T1108] Preemption disabled at:
| [   32.200806][ T1108] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.200816][ T1108] Tainted: [W]=WARN
[   32.200817][ T1108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.200819][ T1108] Call Trace:
[   32.200821][ T1108]  <TASK>
[   32.200822][ T1108]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.200827][ T1108]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.200829][ T1108]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.200833][ T1108]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.200836][ T1108]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   32.200839][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.200843][ T1108]  __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))
[   32.200846][ T1108]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.200849][ T1108]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.200853][ T1108]  ? 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)
[   32.200854][ T1108]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.200856][ T1108]  put_chars (drivers/char/virtio_console.c:1176)
[   32.200858][ T1108]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.200860][ T1108]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   32.200863][ T1108]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.200866][ T1108]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.200867][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.200869][ T1108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.200871][ T1108]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.200874][ T1108]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.200876][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.200878][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.200880][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.200881][ T1108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.200883][ T1108]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   32.200885][ T1108]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.200887][ T1108]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.200890][ T1108]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.200892][ T1108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.200893][ T1108]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.200895][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.200897][ T1108]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.200898][ T1108]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.200900][ T1108]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   32.200902][ T1108]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.200904][ T1108]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.200906][ T1108]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.200908][ T1108]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.200910][ T1108]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.200913][ T1108]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.200916][ T1108]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.200917][ T1108]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.200920][ T1108]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.200921][ T1108]  ? __sys_sendmsg (net/socket.c:2799)
[   32.200923][ T1108]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.200926][ T1108]  _printk (kernel/printk/printk.c:2504)
[   32.200930][ T1108]  ? snapshot_read.cold (user.c:?)
[   32.200932][ T1108]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.200935][ T1108]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.200937][ T1108]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.200938][ T1108]  ? netdev_notice (net/core/dev.c:13194)
[   32.200940][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.200942][ T1108]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   32.200944][ T1108]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   32.200946][ T1108]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   32.200948][ T1108]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.200950][ T1108]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   32.200953][ T1108]  dev_set_allmulti (net/core/dev_api.c:315)
[   32.200956][ T1108] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   32.200968][ T1108]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   32.200972][ T1108]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   32.200975][ T1108] br_del_if (net/bridge/br_if.c:732) bridge
[   32.200982][ T1108]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.200984][ T1108]  do_set_master (net/core/rtnetlink.c:3055)
[   32.200987][ T1108]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   32.200989][ T1108]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.200992][ T1108]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.200993][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.200995][ T1108]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.200999][ T1108]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.201002][ T1108]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.201003][ T1108]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.201005][ T1108]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.201006][ T1108]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   32.201008][ T1108]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   32.201009][ T1108]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.201010][ T1108]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.201012][ T1108]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.201013][ T1108]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.201014][ T1108]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.201016][ T1108]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.201017][ T1108]  ? __sys_sendmsg (net/socket.c:2799)
[   32.201019][ T1108]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.201020][ T1108]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.201023][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201024][ T1108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.201026][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201027][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201029][ T1108]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.201031][ T1108]  ? __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)
[   32.201034][ T1108]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.201035][ T1108]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.201037][ T1108]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.201038][ T1108]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.201040][ T1108]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.201042][ T1108]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.201044][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201046][ T1108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.201047][ T1108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.201049][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201051][ T1108]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   32.201053][ T1108]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   32.201055][ T1108]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   32.201056][ T1108]  ? __kernel_text_address (kernel/extable.c:79)
[   32.201057][ T1108]  ? write_profile (profile.c:?)
[   32.201059][ T1108]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.201061][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201063][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201064][ T1108]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   32.201068][ T1108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.201070][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201071][ T1108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.201073][ T1108]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.201074][ T1108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.201076][ T1108]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.201077][ T1108]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.201080][ T1108]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.201081][ T1108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.201083][ T1108]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.201084][ T1108]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.201086][ T1108]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   32.201088][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201090][ T1108]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.201092][ T1108]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.201094][ T1108]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.201096][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201097][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201099][ T1108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.201101][ T1108]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.201103][ T1108]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.201105][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201107][ T1108]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.201109][ T1108]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.201110][ T1108]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.201112][ T1108]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.201114][ T1108]  ? move_addr_to_kernel (net/socket.c:258)
[   32.201115][ T1108]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.201118][ T1108]  ___sys_sendmsg (net/socket.c:2767)
[   32.201120][ T1108]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.201125][ T1108]  __sys_sendmsg (net/socket.c:2799)
[   32.201127][ T1108]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.201129][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.201132][ T1108]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.201133][ T1108]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.201135][ T1108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.201136][ T1108] RIP: 0033:0x7f093d56f54e
[   32.201138][ T1108] 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
[   32.201140][ T1108] RSP: 002b:00007fffea0ca710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.201144][ T1108] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f093d56f54e
[   32.201146][ T1108] RDX: 0000000000000000 RSI: 00007fffea0ca7c0 RDI: 0000000000000005
[   32.201146][ T1108] RBP: 00007fffea0ca720 R08: 0000000000000000 R09: 0000000000000000
[   32.201147][ T1108] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129cc
[   32.201148][ T1108] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffea0cae80
| [   36.001618][ T1231] softirqs last disabled at (0): 0x0
| [   36.001619][ T1231] Preemption disabled at:
| [   36.001620][ T1231] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.001632][ T1231] Tainted: [W]=WARN
[   36.001633][ T1231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.001634][ T1231] Call Trace:
[   36.001636][ T1231]  <TASK>
[   36.001637][ T1231]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.001642][ T1231]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.001644][ T1231]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.001648][ T1231]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.001652][ T1231]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   36.001655][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001659][ T1231]  __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))
[   36.001662][ T1231]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.001664][ T1231]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.001669][ T1231]  ? 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)
[   36.001670][ T1231]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.001672][ T1231]  put_chars (drivers/char/virtio_console.c:1176)
[   36.001674][ T1231]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.001676][ T1231]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   36.001679][ T1231]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.001682][ T1231]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.001683][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001685][ T1231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001688][ T1231]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.001690][ T1231]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.001692][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001694][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001695][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001697][ T1231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001699][ T1231]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   36.001701][ T1231]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.001703][ T1231]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.001706][ T1231]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.001708][ T1231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001709][ T1231]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.001711][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001713][ T1231]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.001714][ T1231]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.001716][ T1231]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   36.001718][ T1231]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.001720][ T1231]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.001722][ T1231]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.001724][ T1231]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.001726][ T1231]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.001732][ T1231]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.001740][ T1231]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.001742][ T1231]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.001745][ T1231]  ? ___sys_sendmsg (net/socket.c:2767)
[   36.001746][ T1231]  ? __sys_sendmsg (net/socket.c:2799)
[   36.001748][ T1231]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.001751][ T1231]  _printk (kernel/printk/printk.c:2504)
[   36.001754][ T1231]  ? snapshot_read.cold (user.c:?)
[   36.001757][ T1231]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.001760][ T1231]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.001762][ T1231]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.001764][ T1231]  ? netdev_notice (net/core/dev.c:13194)
[   36.001765][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001767][ T1231]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   36.001769][ T1231]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   36.001772][ T1231]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   36.001773][ T1231]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   36.001776][ T1231]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   36.001779][ T1231]  dev_set_allmulti (net/core/dev_api.c:315)
[   36.001782][ T1231] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   36.001795][ T1231]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   36.001798][ T1231]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.001801][ T1231] br_del_if (net/bridge/br_if.c:732) bridge
[   36.001809][ T1231]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.001812][ T1231]  do_set_master (net/core/rtnetlink.c:3055)
[   36.001814][ T1231]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   36.001817][ T1231]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.001820][ T1231]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.001821][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001823][ T1231]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   36.001827][ T1231]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.001829][ T1231]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.001831][ T1231]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.001832][ T1231]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.001834][ T1231]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   36.001836][ T1231]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   36.001837][ T1231]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.001838][ T1231]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.001840][ T1231]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.001841][ T1231]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.001842][ T1231]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.001844][ T1231]  ? ___sys_sendmsg (net/socket.c:2767)
[   36.001845][ T1231]  ? __sys_sendmsg (net/socket.c:2799)
[   36.001847][ T1231]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.001848][ T1231]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.001851][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001852][ T1231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001854][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001856][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001857][ T1231]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.001860][ T1231]  ? __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)
[   36.001862][ T1231]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.001863][ T1231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.001865][ T1231]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.001866][ T1231]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.001868][ T1231]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.001871][ T1231]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.001873][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001875][ T1231]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.001876][ T1231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001877][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001879][ T1231]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   36.001881][ T1231]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   36.001883][ T1231]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.001884][ T1231]  ? __kernel_text_address (kernel/extable.c:79)
[   36.001886][ T1231]  ? write_profile (profile.c:?)
[   36.001887][ T1231]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.001890][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001891][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001893][ T1231]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   36.001897][ T1231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001898][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001900][ T1231]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.001902][ T1231]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.001904][ T1231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.001905][ T1231]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   36.001907][ T1231]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   36.001909][ T1231]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.001911][ T1231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.001912][ T1231]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.001914][ T1231]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.001915][ T1231]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   36.001918][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001919][ T1231]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.001921][ T1231]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.001924][ T1231]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.001925][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001927][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001929][ T1231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001931][ T1231]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.001933][ T1231]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.001935][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001936][ T1231]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.001938][ T1231]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.001940][ T1231]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.001942][ T1231]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.001943][ T1231]  ? move_addr_to_kernel (net/socket.c:258)
[   36.001945][ T1231]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   36.001948][ T1231]  ___sys_sendmsg (net/socket.c:2767)
[   36.001949][ T1231]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.001954][ T1231]  __sys_sendmsg (net/socket.c:2799)
[   36.001956][ T1231]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.001959][ T1231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001961][ T1231]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.001963][ T1231]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.001965][ T1231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.001967][ T1231] RIP: 0033:0x7f3084b3754e
[   36.001969][ T1231] 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
[   36.001970][ T1231] RSP: 002b:00007ffc89cd0500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.001974][ T1231] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3084b3754e
[   36.001976][ T1231] RDX: 0000000000000000 RSI: 00007ffc89cd05b0 RDI: 0000000000000005
[   36.001977][ T1231] RBP: 00007ffc89cd0510 R08: 0000000000000000 R09: 0000000000000000
[   36.001977][ T1231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129d0
[   36.001978][ T1231] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc89cd0c70
| [   38.874537][ T1354] softirqs last disabled at (0): 0x0
| [   38.874539][ T1354] Preemption disabled at:
| [   38.874540][ T1354] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.874551][ T1354] Tainted: [W]=WARN
[   38.874552][ T1354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.874553][ T1354] Call Trace:
[   38.874555][ T1354]  <TASK>
[   38.874556][ T1354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.874561][ T1354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.874563][ T1354]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.874567][ T1354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.874570][ T1354]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   38.874573][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874577][ T1354]  __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))
[   38.874580][ T1354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.874582][ T1354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.874586][ T1354]  ? 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)
[   38.874588][ T1354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.874590][ T1354]  put_chars (drivers/char/virtio_console.c:1176)
[   38.874591][ T1354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.874593][ T1354]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   38.874596][ T1354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.874599][ T1354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.874600][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874602][ T1354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874604][ T1354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.874607][ T1354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.874609][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874610][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874612][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874614][ T1354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874616][ T1354]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.874618][ T1354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.874620][ T1354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.874623][ T1354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.874624][ T1354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874626][ T1354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.874627][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874629][ T1354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.874630][ T1354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.874632][ T1354]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.874634][ T1354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.874636][ T1354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.874638][ T1354]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.874640][ T1354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.874642][ T1354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.874645][ T1354]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.874648][ T1354]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.874649][ T1354]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.874652][ T1354]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.874653][ T1354]  ? __sys_sendmsg (net/socket.c:2799)
[   38.874655][ T1354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.874658][ T1354]  _printk (kernel/printk/printk.c:2504)
[   38.874661][ T1354]  ? snapshot_read.cold (user.c:?)
[   38.874663][ T1354]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.874666][ T1354]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.874668][ T1354]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.874669][ T1354]  ? netdev_notice (net/core/dev.c:13194)
[   38.874671][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874673][ T1354]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   38.874675][ T1354]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   38.874677][ T1354]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   38.874678][ T1354]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.874681][ T1354]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   38.874684][ T1354]  dev_set_allmulti (net/core/dev_api.c:315)
[   38.874687][ T1354] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   38.874700][ T1354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.874703][ T1354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.874706][ T1354] br_del_if (net/bridge/br_if.c:732) bridge
[   38.874714][ T1354]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.874716][ T1354]  do_set_master (net/core/rtnetlink.c:3055)
[   38.874719][ T1354]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   38.874721][ T1354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.874724][ T1354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.874725][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874730][ T1354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.874734][ T1354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.874736][ T1354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.874738][ T1354]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.874739][ T1354]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.874741][ T1354]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   38.874742][ T1354]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   38.874743][ T1354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.874745][ T1354]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.874746][ T1354]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.874747][ T1354]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.874749][ T1354]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.874750][ T1354]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.874759][ T1354]  ? __sys_sendmsg (net/socket.c:2799)
[   38.874760][ T1354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.874761][ T1354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.874764][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874766][ T1354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874767][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874769][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874771][ T1354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.874773][ T1354]  ? __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)
[   38.874775][ T1354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.874776][ T1354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.874778][ T1354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.874779][ T1354]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.874782][ T1354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.874784][ T1354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.874786][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874788][ T1354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.874789][ T1354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874790][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874792][ T1354]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   38.874794][ T1354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.874796][ T1354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.874797][ T1354]  ? __kernel_text_address (kernel/extable.c:79)
[   38.874798][ T1354]  ? write_profile (profile.c:?)
[   38.874800][ T1354]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.874802][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874804][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874805][ T1354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.874809][ T1354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874810][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874812][ T1354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.874814][ T1354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.874815][ T1354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.874817][ T1354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.874818][ T1354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.874821][ T1354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.874822][ T1354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.874823][ T1354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.874825][ T1354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.874826][ T1354]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   38.874829][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874830][ T1354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.874832][ T1354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.874834][ T1354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.874836][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874837][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874839][ T1354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874841][ T1354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.874843][ T1354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.874845][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874847][ T1354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.874849][ T1354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.874850][ T1354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.874852][ T1354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.874853][ T1354]  ? move_addr_to_kernel (net/socket.c:258)
[   38.874855][ T1354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.874857][ T1354]  ___sys_sendmsg (net/socket.c:2767)
[   38.874859][ T1354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.874864][ T1354]  __sys_sendmsg (net/socket.c:2799)
[   38.874866][ T1354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.874869][ T1354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874871][ T1354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.874872][ T1354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.874874][ T1354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.874876][ T1354] RIP: 0033:0x7f79a68c954e
[   38.874878][ T1354] 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
[   38.874880][ T1354] RSP: 002b:00007ffd17083be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.874883][ T1354] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f79a68c954e
[   38.874885][ T1354] RDX: 0000000000000000 RSI: 00007ffd17083c90 RDI: 0000000000000005
[   38.874886][ T1354] RBP: 00007ffd17083bf0 R08: 0000000000000000 R09: 0000000000000000
[   38.874887][ T1354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129d3
[   38.874888][ T1354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd17084350
| [   41.495149][ T1420] softirqs last disabled at (0): 0x0
| [   41.495150][ T1420] Preemption disabled at:
| [   41.495151][ T1420] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.495162][ T1420] Tainted: [W]=WARN
[   41.495163][ T1420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.495165][ T1420] Call Trace:
[   41.495166][ T1420]  <TASK>
[   41.495167][ T1420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.495173][ T1420]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.495175][ T1420]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.495179][ T1420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.495182][ T1420]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   41.495185][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495189][ T1420]  __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))
[   41.495192][ T1420]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.495194][ T1420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.495198][ T1420]  ? 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)
[   41.495200][ T1420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.495202][ T1420]  put_chars (drivers/char/virtio_console.c:1176)
[   41.495204][ T1420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.495206][ T1420]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   41.495208][ T1420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.495211][ T1420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.495213][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495215][ T1420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.495217][ T1420]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.495219][ T1420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.495221][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495223][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495225][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495226][ T1420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.495228][ T1420]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.495230][ T1420]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.495232][ T1420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.495235][ T1420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.495237][ T1420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.495238][ T1420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.495240][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495242][ T1420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.495243][ T1420]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.495245][ T1420]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.495247][ T1420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.495249][ T1420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.495251][ T1420]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.495253][ T1420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.495255][ T1420]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.495258][ T1420]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.495260][ T1420]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.495262][ T1420]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.495265][ T1420]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.495266][ T1420]  ? __sys_sendmsg (net/socket.c:2799)
[   41.495268][ T1420]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.495271][ T1420]  _printk (kernel/printk/printk.c:2504)
[   41.495274][ T1420]  ? snapshot_read.cold (user.c:?)
[   41.495276][ T1420]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.495279][ T1420]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.495281][ T1420]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.495283][ T1420]  ? netdev_notice (net/core/dev.c:13194)
[   41.495285][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495287][ T1420]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   41.495288][ T1420]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   41.495291][ T1420]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   41.495292][ T1420]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.495295][ T1420]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   41.495298][ T1420]  dev_set_allmulti (net/core/dev_api.c:315)
[   41.495301][ T1420] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   41.495314][ T1420]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.495318][ T1420]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.495321][ T1420] br_del_if (net/bridge/br_if.c:732) bridge
[   41.495328][ T1420]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.495330][ T1420]  do_set_master (net/core/rtnetlink.c:3055)
[   41.495333][ T1420]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.495336][ T1420]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.495338][ T1420]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.495339][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495341][ T1420]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.495345][ T1420]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.495347][ T1420]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.495349][ T1420]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.495350][ T1420]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.495352][ T1420]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.495354][ T1420]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.495355][ T1420]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.495356][ T1420]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.495357][ T1420]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.495358][ T1420]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.495360][ T1420]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.495361][ T1420]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.495362][ T1420]  ? __sys_sendmsg (net/socket.c:2799)
[   41.495364][ T1420]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.495365][ T1420]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.495368][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495370][ T1420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.495371][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495373][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495375][ T1420]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.495377][ T1420]  ? __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)
[   41.495379][ T1420]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.495380][ T1420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.495382][ T1420]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.495383][ T1420]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.495386][ T1420]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.495388][ T1420]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.495390][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495392][ T1420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.495393][ T1420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.495394][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495396][ T1420]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.495398][ T1420]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.495400][ T1420]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.495401][ T1420]  ? __kernel_text_address (kernel/extable.c:79)
[   41.495403][ T1420]  ? write_profile (profile.c:?)
[   41.495404][ T1420]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.495407][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495408][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495410][ T1420]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.495414][ T1420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.495415][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495417][ T1420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.495418][ T1420]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.495420][ T1420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.495421][ T1420]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.495423][ T1420]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.495425][ T1420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.495427][ T1420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.495428][ T1420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.495430][ T1420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.495431][ T1420]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.495433][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495435][ T1420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.495437][ T1420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.495439][ T1420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.495441][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495443][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495444][ T1420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.495446][ T1420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.495448][ T1420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.495450][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495452][ T1420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.495454][ T1420]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.495456][ T1420]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.495457][ T1420]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.495459][ T1420]  ? move_addr_to_kernel (net/socket.c:258)
[   41.495460][ T1420]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.495463][ T1420]  ___sys_sendmsg (net/socket.c:2767)
[   41.495465][ T1420]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.495470][ T1420]  __sys_sendmsg (net/socket.c:2799)
[   41.495471][ T1420]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.495474][ T1420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.495476][ T1420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.495478][ T1420]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.495480][ T1420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.495481][ T1420] RIP: 0033:0x7f9f967d054e
[   41.495483][ T1420] 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
[   41.495485][ T1420] RSP: 002b:00007ffcd31b7fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.495489][ T1420] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9f967d054e
[   41.495490][ T1420] RDX: 0000000000000000 RSI: 00007ffcd31b8070 RDI: 0000000000000005
[   41.495491][ T1420] RBP: 00007ffcd31b7fd0 R08: 0000000000000000 R09: 0000000000000000
[   41.495492][ T1420] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129d5
[   41.495493][ T1420] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd31b8730
| [   44.243992][ T1525] softirqs last disabled at (0): 0x0
| [   44.243994][ T1525] Preemption disabled at:
| [   44.243995][ T1525] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.244005][ T1525] Tainted: [W]=WARN
[   44.244006][ T1525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.244008][ T1525] Call Trace:
[   44.244010][ T1525]  <TASK>
[   44.244011][ T1525]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.244016][ T1525]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.244018][ T1525]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.244022][ T1525]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.244025][ T1525]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   44.244027][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244031][ T1525]  __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))
[   44.244034][ T1525]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.244036][ T1525]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.244040][ T1525]  ? 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)
[   44.244042][ T1525]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.244044][ T1525]  put_chars (drivers/char/virtio_console.c:1176)
[   44.244046][ T1525]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.244047][ T1525]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   44.244050][ T1525]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.244053][ T1525]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.244054][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244056][ T1525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244058][ T1525]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.244061][ T1525]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.244063][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244064][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244066][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244068][ T1525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244070][ T1525]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   44.244071][ T1525]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.244074][ T1525]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.244076][ T1525]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.244078][ T1525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244080][ T1525]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.244081][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244083][ T1525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.244084][ T1525]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.244086][ T1525]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   44.244088][ T1525]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.244090][ T1525]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.244092][ T1525]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.244094][ T1525]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.244096][ T1525]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.244099][ T1525]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.244102][ T1525]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.244103][ T1525]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.244105][ T1525]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.244107][ T1525]  ? __sys_sendmsg (net/socket.c:2799)
[   44.244108][ T1525]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.244112][ T1525]  _printk (kernel/printk/printk.c:2504)
[   44.244115][ T1525]  ? snapshot_read.cold (user.c:?)
[   44.244117][ T1525]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.244120][ T1525]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.244122][ T1525]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.244123][ T1525]  ? netdev_notice (net/core/dev.c:13194)
[   44.244125][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244127][ T1525]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   44.244129][ T1525]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   44.244131][ T1525]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   44.244132][ T1525]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.244135][ T1525]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   44.244138][ T1525]  dev_set_allmulti (net/core/dev_api.c:315)
[   44.244140][ T1525] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   44.244153][ T1525]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.244156][ T1525]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.244159][ T1525] br_del_if (net/bridge/br_if.c:732) bridge
[   44.244166][ T1525]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.244168][ T1525]  do_set_master (net/core/rtnetlink.c:3055)
[   44.244171][ T1525]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   44.244174][ T1525]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.244176][ T1525]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.244178][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244179][ T1525]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.244183][ T1525]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.244186][ T1525]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.244187][ T1525]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.244189][ T1525]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.244190][ T1525]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.244192][ T1525]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   44.244193][ T1525]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.244194][ T1525]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.244195][ T1525]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.244196][ T1525]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.244198][ T1525]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.244199][ T1525]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.244201][ T1525]  ? __sys_sendmsg (net/socket.c:2799)
[   44.244202][ T1525]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.244203][ T1525]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.244206][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244207][ T1525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244209][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244211][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244212][ T1525]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.244214][ T1525]  ? __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)
[   44.244216][ T1525]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.244218][ T1525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.244219][ T1525]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.244221][ T1525]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.244223][ T1525]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.244225][ T1525]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.244227][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244229][ T1525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.244230][ T1525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244231][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244233][ T1525]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   44.244235][ T1525]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.244237][ T1525]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.244238][ T1525]  ? __kernel_text_address (kernel/extable.c:79)
[   44.244240][ T1525]  ? write_profile (profile.c:?)
[   44.244241][ T1525]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.244243][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244245][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244246][ T1525]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   44.244250][ T1525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244251][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244253][ T1525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.244255][ T1525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.244256][ T1525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.244258][ T1525]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.244259][ T1525]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.244261][ T1525]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.244263][ T1525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.244264][ T1525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.244266][ T1525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.244267][ T1525]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   44.244269][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244271][ T1525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.244273][ T1525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.244275][ T1525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.244277][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244278][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244280][ T1525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244282][ T1525]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.244284][ T1525]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.244285][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244287][ T1525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.244289][ T1525]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.244291][ T1525]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.244292][ T1525]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.244294][ T1525]  ? move_addr_to_kernel (net/socket.c:258)
[   44.244295][ T1525]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.244298][ T1525]  ___sys_sendmsg (net/socket.c:2767)
[   44.244300][ T1525]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.244304][ T1525]  __sys_sendmsg (net/socket.c:2799)
[   44.244306][ T1525]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.244309][ T1525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244311][ T1525]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.244312][ T1525]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.244314][ T1525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.244316][ T1525] RIP: 0033:0x7f6a41be254e
[   44.244318][ T1525] 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
[   44.244320][ T1525] RSP: 002b:00007ffe4a411f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.244323][ T1525] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6a41be254e
[   44.244325][ T1525] RDX: 0000000000000000 RSI: 00007ffe4a412000 RDI: 0000000000000005
[   44.244326][ T1525] RBP: 00007ffe4a411f60 R08: 0000000000000000 R09: 0000000000000000
[   44.244326][ T1525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129d8
[   44.244327][ T1525] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4a4126c0
| [   47.167991][ T1651] softirqs last disabled at (0): 0x0
| [   47.167993][ T1651] Preemption disabled at:
| [   47.167994][ T1651] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.168004][ T1651] Tainted: [W]=WARN
[   47.168005][ T1651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.168007][ T1651] Call Trace:
[   47.168009][ T1651]  <TASK>
[   47.168010][ T1651]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.168015][ T1651]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.168017][ T1651]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.168021][ T1651]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.168024][ T1651]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   47.168027][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168031][ T1651]  __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))
[   47.168034][ T1651]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.168036][ T1651]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.168040][ T1651]  ? 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)
[   47.168042][ T1651]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.168044][ T1651]  put_chars (drivers/char/virtio_console.c:1176)
[   47.168046][ T1651]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.168047][ T1651]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   47.168050][ T1651]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.168053][ T1651]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.168055][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168056][ T1651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.168058][ T1651]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.168061][ T1651]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.168063][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168065][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168066][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168068][ T1651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.168070][ T1651]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   47.168072][ T1651]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.168074][ T1651]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.168076][ T1651]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.168078][ T1651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.168080][ T1651]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.168081][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168083][ T1651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.168085][ T1651]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.168086][ T1651]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   47.168088][ T1651]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.168090][ T1651]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.168092][ T1651]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.168094][ T1651]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.168096][ T1651]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.168099][ T1651]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.168102][ T1651]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.168103][ T1651]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.168106][ T1651]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.168107][ T1651]  ? __sys_sendmsg (net/socket.c:2799)
[   47.168109][ T1651]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.168112][ T1651]  _printk (kernel/printk/printk.c:2504)
[   47.168115][ T1651]  ? snapshot_read.cold (user.c:?)
[   47.168118][ T1651]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.168120][ T1651]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.168122][ T1651]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.168124][ T1651]  ? netdev_notice (net/core/dev.c:13194)
[   47.168126][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168128][ T1651]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   47.168129][ T1651]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   47.168131][ T1651]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   47.168133][ T1651]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.168135][ T1651]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   47.168138][ T1651]  dev_set_allmulti (net/core/dev_api.c:315)
[   47.168141][ T1651] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   47.168153][ T1651]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.168157][ T1651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.168160][ T1651] br_del_if (net/bridge/br_if.c:732) bridge
[   47.168167][ T1651]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.168169][ T1651]  do_set_master (net/core/rtnetlink.c:3055)
[   47.168171][ T1651]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   47.168174][ T1651]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.168177][ T1651]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.168178][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168180][ T1651]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.168184][ T1651]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.168186][ T1651]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.168187][ T1651]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.168189][ T1651]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.168191][ T1651]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   47.168192][ T1651]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   47.168193][ T1651]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.168194][ T1651]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.168196][ T1651]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.168197][ T1651]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.168198][ T1651]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.168200][ T1651]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.168201][ T1651]  ? __sys_sendmsg (net/socket.c:2799)
[   47.168202][ T1651]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.168203][ T1651]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.168206][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168208][ T1651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.168209][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168211][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168213][ T1651]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.168215][ T1651]  ? __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)
[   47.168217][ T1651]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.168218][ T1651]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.168220][ T1651]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.168221][ T1651]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.168223][ T1651]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.168225][ T1651]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.168227][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168229][ T1651]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.168230][ T1651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.168231][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168234][ T1651]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   47.168235][ T1651]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.168237][ T1651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.168238][ T1651]  ? __kernel_text_address (kernel/extable.c:79)
[   47.168240][ T1651]  ? write_profile (profile.c:?)
[   47.168241][ T1651]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.168244][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168245][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168247][ T1651]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.168250][ T1651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.168252][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168254][ T1651]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.168255][ T1651]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.168257][ T1651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.168258][ T1651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.168259][ T1651]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.168262][ T1651]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.168263][ T1651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.168265][ T1651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.168266][ T1651]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.168267][ T1651]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   47.168270][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168272][ T1651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.168274][ T1651]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.168275][ T1651]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.168277][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168279][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168281][ T1651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.168282][ T1651]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.168284][ T1651]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.168286][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168288][ T1651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.168290][ T1651]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.168291][ T1651]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.168293][ T1651]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.168294][ T1651]  ? move_addr_to_kernel (net/socket.c:258)
[   47.168296][ T1651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.168298][ T1651]  ___sys_sendmsg (net/socket.c:2767)
[   47.168300][ T1651]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.168305][ T1651]  __sys_sendmsg (net/socket.c:2799)
[   47.168307][ T1651]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.168309][ T1651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.168311][ T1651]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.168312][ T1651]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.168315][ T1651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.168316][ T1651] RIP: 0033:0x7f425fb2b54e
[   47.168318][ T1651] 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
[   47.168320][ T1651] RSP: 002b:00007fff9b4b93d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.168324][ T1651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f425fb2b54e
[   47.168325][ T1651] RDX: 0000000000000000 RSI: 00007fff9b4b9480 RDI: 0000000000000005
[   47.168326][ T1651] RBP: 00007fff9b4b93e0 R08: 0000000000000000 R09: 0000000000000000
[   47.168327][ T1651] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129db
[   47.168328][ T1651] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9b4b9b40
| [   50.060765][ T1762] softirqs last disabled at (0): 0x0
| [   50.060768][ T1762] Preemption disabled at:
| [   50.060768][ T1762] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.060781][ T1762] Tainted: [W]=WARN
[   50.060782][ T1762] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.060785][ T1762] Call Trace:
[   50.060786][ T1762]  <TASK>
[   50.060788][ T1762]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.060794][ T1762]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.060796][ T1762]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.060801][ T1762]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.060805][ T1762]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   50.060808][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.060812][ T1762]  __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))
[   50.060816][ T1762]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   50.060825][ T1762]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.060830][ T1762]  ? 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)
[   50.060832][ T1762]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.060834][ T1762]  put_chars (drivers/char/virtio_console.c:1176)
[   50.060837][ T1762]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.060839][ T1762]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   50.060843][ T1762]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.060847][ T1762]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.060849][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.060852][ T1762]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.060855][ T1762]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.060858][ T1762]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.060861][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.060863][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.060865][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.060867][ T1762]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.060870][ T1762]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   50.060872][ T1762]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.060875][ T1762]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.060879][ T1762]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.060881][ T1762]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.060883][ T1762]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.060885][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.060887][ T1762]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.060889][ T1762]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.060891][ T1762]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   50.060894][ T1762]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.060896][ T1762]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.060899][ T1762]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.060902][ T1762]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.060904][ T1762]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.060908][ T1762]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.060911][ T1762]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.060913][ T1762]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.060916][ T1762]  ? ___sys_sendmsg (net/socket.c:2767)
[   50.060918][ T1762]  ? __sys_sendmsg (net/socket.c:2799)
[   50.060920][ T1762]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.060924][ T1762]  _printk (kernel/printk/printk.c:2504)
[   50.060928][ T1762]  ? snapshot_read.cold (user.c:?)
[   50.060932][ T1762]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.060935][ T1762]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.060938][ T1762]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.060941][ T1762]  ? netdev_notice (net/core/dev.c:13194)
[   50.060943][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.060946][ T1762]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   50.060948][ T1762]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   50.060951][ T1762]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   50.060954][ T1762]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   50.060957][ T1762]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   50.060961][ T1762]  dev_set_allmulti (net/core/dev_api.c:315)
[   50.060965][ T1762] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   50.060984][ T1762]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.060988][ T1762]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.060992][ T1762] br_del_if (net/bridge/br_if.c:732) bridge
[   50.061004][ T1762]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.061007][ T1762]  do_set_master (net/core/rtnetlink.c:3055)
[   50.061011][ T1762]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   50.061015][ T1762]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.061018][ T1762]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.061020][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061023][ T1762]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.061028][ T1762]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.061031][ T1762]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.061033][ T1762]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.061035][ T1762]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.061037][ T1762]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   50.061040][ T1762]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   50.061041][ T1762]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.061043][ T1762]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.061045][ T1762]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.061047][ T1762]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.061049][ T1762]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.061051][ T1762]  ? ___sys_sendmsg (net/socket.c:2767)
[   50.061053][ T1762]  ? __sys_sendmsg (net/socket.c:2799)
[   50.061055][ T1762]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.061057][ T1762]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.061061][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061063][ T1762]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.061065][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061068][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061070][ T1762]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.061073][ T1762]  ? __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)
[   50.061076][ T1762]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.061078][ T1762]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.061081][ T1762]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.061083][ T1762]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.061086][ T1762]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.061089][ T1762]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.061093][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061095][ T1762]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.061097][ T1762]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.061099][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061102][ T1762]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   50.061104][ T1762]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.061107][ T1762]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.061109][ T1762]  ? __kernel_text_address (kernel/extable.c:79)
[   50.061110][ T1762]  ? write_profile (profile.c:?)
[   50.061112][ T1762]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.061115][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061118][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061120][ T1762]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   50.061124][ T1762]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.061126][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061128][ T1762]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.061130][ T1762]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.061133][ T1762]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.061134][ T1762]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.061136][ T1762]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.061140][ T1762]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.061143][ T1762]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.061145][ T1762]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.061147][ T1762]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.061149][ T1762]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   50.061152][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061155][ T1762]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.061157][ T1762]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.061160][ T1762]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.061162][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061164][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061167][ T1762]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.061169][ T1762]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.061172][ T1762]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.061175][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061177][ T1762]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.061180][ T1762]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.061182][ T1762]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.061184][ T1762]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.061186][ T1762]  ? move_addr_to_kernel (net/socket.c:258)
[   50.061188][ T1762]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.061192][ T1762]  ___sys_sendmsg (net/socket.c:2767)
[   50.061194][ T1762]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.061201][ T1762]  __sys_sendmsg (net/socket.c:2799)
[   50.061204][ T1762]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.061208][ T1762]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.061210][ T1762]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.061212][ T1762]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.061215][ T1762]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.061217][ T1762] RIP: 0033:0x7f59497d354e
[   50.061220][ T1762] 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
[   50.061222][ T1762] RSP: 002b:00007fffcbd1b7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.061226][ T1762] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f59497d354e
[   50.061228][ T1762] RDX: 0000000000000000 RSI: 00007fffcbd1b870 RDI: 0000000000000005
[   50.061230][ T1762] RBP: 00007fffcbd1b7d0 R08: 0000000000000000 R09: 0000000000000000
[   50.061231][ T1762] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129de
[   50.061232][ T1762] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcbd1bf30
| [   52.838135][ T1857] softirqs last disabled at (0): 0x0
| [   52.838137][ T1857] Preemption disabled at:
| [   52.838138][ T1857] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.838149][ T1857] Tainted: [W]=WARN
[   52.838150][ T1857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.838151][ T1857] Call Trace:
[   52.838153][ T1857]  <TASK>
[   52.838154][ T1857]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.838159][ T1857]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.838161][ T1857]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.838165][ T1857]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.838168][ T1857]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   52.838171][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838175][ T1857]  __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))
[   52.838178][ T1857]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.838180][ T1857]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.838184][ T1857]  ? 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)
[   52.838185][ T1857]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.838187][ T1857]  put_chars (drivers/char/virtio_console.c:1176)
[   52.838189][ T1857]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.838191][ T1857]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   52.838193][ T1857]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.838196][ T1857]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.838198][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838199][ T1857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.838201][ T1857]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.838204][ T1857]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.838206][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838207][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838209][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838210][ T1857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.838212][ T1857]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   52.838214][ T1857]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.838216][ T1857]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.838219][ T1857]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.838220][ T1857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.838222][ T1857]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.838223][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838225][ T1857]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.838226][ T1857]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.838228][ T1857]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   52.838230][ T1857]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.838231][ T1857]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.838233][ T1857]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.838236][ T1857]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.838237][ T1857]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.838240][ T1857]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.838243][ T1857]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.838244][ T1857]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.838247][ T1857]  ? ___sys_sendmsg (net/socket.c:2767)
[   52.838248][ T1857]  ? __sys_sendmsg (net/socket.c:2799)
[   52.838250][ T1857]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.838253][ T1857]  _printk (kernel/printk/printk.c:2504)
[   52.838256][ T1857]  ? snapshot_read.cold (user.c:?)
[   52.838258][ T1857]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.838261][ T1857]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.838263][ T1857]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.838265][ T1857]  ? netdev_notice (net/core/dev.c:13194)
[   52.838266][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838268][ T1857]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   52.838270][ T1857]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   52.838272][ T1857]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   52.838273][ T1857]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.838276][ T1857]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   52.838279][ T1857]  dev_set_allmulti (net/core/dev_api.c:315)
[   52.838281][ T1857] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   52.838294][ T1857]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   52.838298][ T1857]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   52.838300][ T1857] br_del_if (net/bridge/br_if.c:732) bridge
[   52.838307][ T1857]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.838309][ T1857]  do_set_master (net/core/rtnetlink.c:3055)
[   52.838312][ T1857]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   52.838315][ T1857]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.838317][ T1857]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.838318][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838320][ T1857]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   52.838324][ T1857]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.838326][ T1857]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.838328][ T1857]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.838329][ T1857]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.838331][ T1857]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   52.838332][ T1857]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   52.838333][ T1857]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.838334][ T1857]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.838336][ T1857]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.838337][ T1857]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.838338][ T1857]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.838339][ T1857]  ? ___sys_sendmsg (net/socket.c:2767)
[   52.838340][ T1857]  ? __sys_sendmsg (net/socket.c:2799)
[   52.838342][ T1857]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.838343][ T1857]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.838345][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838347][ T1857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.838348][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838350][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838352][ T1857]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.838354][ T1857]  ? __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)
[   52.838356][ T1857]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.838357][ T1857]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.838359][ T1857]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.838360][ T1857]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.838362][ T1857]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.838364][ T1857]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.838366][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838368][ T1857]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.838369][ T1857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.838370][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838372][ T1857]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   52.838374][ T1857]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   52.838376][ T1857]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   52.838377][ T1857]  ? __kernel_text_address (kernel/extable.c:79)
[   52.838378][ T1857]  ? write_profile (profile.c:?)
[   52.838379][ T1857]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.838382][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838383][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838385][ T1857]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   52.838388][ T1857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.838390][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838392][ T1857]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.838393][ T1857]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.838394][ T1857]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.838396][ T1857]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   52.838397][ T1857]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   52.838400][ T1857]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.838401][ T1857]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.838402][ T1857]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.838404][ T1857]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.838405][ T1857]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   52.838407][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838409][ T1857]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.838411][ T1857]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.838413][ T1857]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.838414][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838416][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838418][ T1857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.838419][ T1857]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.838421][ T1857]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.838423][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838425][ T1857]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.838426][ T1857]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.838428][ T1857]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.838430][ T1857]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.838431][ T1857]  ? move_addr_to_kernel (net/socket.c:258)
[   52.838432][ T1857]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   52.838435][ T1857]  ___sys_sendmsg (net/socket.c:2767)
[   52.838437][ T1857]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.838441][ T1857]  __sys_sendmsg (net/socket.c:2799)
[   52.838443][ T1857]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.838446][ T1857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.838448][ T1857]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.838449][ T1857]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.838451][ T1857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.838453][ T1857] RIP: 0033:0x7fbac08b654e
[   52.838455][ T1857] 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
[   52.838457][ T1857] RSP: 002b:00007fffde1d4b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.838460][ T1857] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbac08b654e
[   52.838462][ T1857] RDX: 0000000000000000 RSI: 00007fffde1d4c00 RDI: 0000000000000005
[   52.838462][ T1857] RBP: 00007fffde1d4b60 R08: 0000000000000000 R09: 0000000000000000
[   52.838463][ T1857] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129e1
[   52.838464][ T1857] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffde1d52c0
| [   55.683497][ T1970] softirqs last disabled at (0): 0x0
| [   55.683500][ T1970] Preemption disabled at:
| [   55.683501][ T1970] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.683514][ T1970] Tainted: [W]=WARN
[   55.683515][ T1970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.683517][ T1970] Call Trace:
[   55.683519][ T1970]  <TASK>
[   55.683521][ T1970]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.683527][ T1970]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.683530][ T1970]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.683535][ T1970]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.683539][ T1970]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   55.683543][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683548][ T1970]  __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))
[   55.683553][ T1970]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   55.683556][ T1970]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.683561][ T1970]  ? 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)
[   55.683564][ T1970]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.683567][ T1970]  put_chars (drivers/char/virtio_console.c:1176)
[   55.683570][ T1970]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.683572][ T1970]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   55.683576][ T1970]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.683581][ T1970]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.683583][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683586][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.683589][ T1970]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.683593][ T1970]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.683596][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683598][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683600][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683603][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.683605][ T1970]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   55.683608][ T1970]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.683611][ T1970]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.683615][ T1970]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.683618][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.683620][ T1970]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.683623][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683625][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   55.683628][ T1970]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.683630][ T1970]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   55.683633][ T1970]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.683635][ T1970]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.683638][ T1970]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.683642][ T1970]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.683645][ T1970]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.683648][ T1970]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.683652][ T1970]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.683654][ T1970]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.683657][ T1970]  ? ___sys_sendmsg (net/socket.c:2767)
[   55.683659][ T1970]  ? __sys_sendmsg (net/socket.c:2799)
[   55.683662][ T1970]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.683666][ T1970]  _printk (kernel/printk/printk.c:2504)
[   55.683670][ T1970]  ? snapshot_read.cold (user.c:?)
[   55.683674][ T1970]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.683678][ T1970]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.683680][ T1970]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.683683][ T1970]  ? netdev_notice (net/core/dev.c:13194)
[   55.683686][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683689][ T1970]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   55.683691][ T1970]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   55.683694][ T1970]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   55.683697][ T1970]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.683700][ T1970]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   55.683704][ T1970]  dev_set_allmulti (net/core/dev_api.c:315)
[   55.683708][ T1970] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   55.683729][ T1970]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   55.683734][ T1970]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   55.683737][ T1970] br_del_if (net/bridge/br_if.c:732) bridge
[   55.683749][ T1970]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.683753][ T1970]  do_set_master (net/core/rtnetlink.c:3055)
[   55.683756][ T1970]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   55.683760][ T1970]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.683764][ T1970]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.683766][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683768][ T1970]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   55.683773][ T1970]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.683776][ T1970]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.683779][ T1970]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.683781][ T1970]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.683783][ T1970]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   55.683786][ T1970]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   55.683788][ T1970]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.683790][ T1970]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.683792][ T1970]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.683794][ T1970]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.683796][ T1970]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.683798][ T1970]  ? ___sys_sendmsg (net/socket.c:2767)
[   55.683800][ T1970]  ? __sys_sendmsg (net/socket.c:2799)
[   55.683802][ T1970]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.683804][ T1970]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.683808][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683810][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.683812][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683815][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683817][ T1970]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.683821][ T1970]  ? __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)
[   55.683823][ T1970]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.683826][ T1970]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.683828][ T1970]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.683830][ T1970]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.683834][ T1970]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.683837][ T1970]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.683841][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683843][ T1970]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.683845][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.683847][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683850][ T1970]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   55.683853][ T1970]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   55.683861][ T1970]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   55.683863][ T1970]  ? __kernel_text_address (kernel/extable.c:79)
[   55.683865][ T1970]  ? write_profile (profile.c:?)
[   55.683867][ T1970]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.683870][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683873][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683875][ T1970]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   55.683879][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.683881][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683884][ T1970]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.683886][ T1970]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.683889][ T1970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.683891][ T1970]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   55.683893][ T1970]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   55.683897][ T1970]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.683900][ T1970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.683902][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   55.683904][ T1970]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.683906][ T1970]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   55.683911][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683913][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   55.683916][ T1970]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.683919][ T1970]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.683922][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683924][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683927][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.683930][ T1970]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.683933][ T1970]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.683936][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683939][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   55.683942][ T1970]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.683944][ T1970]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.683947][ T1970]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.683949][ T1970]  ? move_addr_to_kernel (net/socket.c:258)
[   55.683951][ T1970]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   55.683956][ T1970]  ___sys_sendmsg (net/socket.c:2767)
[   55.683959][ T1970]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.683967][ T1970]  __sys_sendmsg (net/socket.c:2799)
[   55.683969][ T1970]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.683974][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.683977][ T1970]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.683979][ T1970]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.683982][ T1970]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.683985][ T1970] RIP: 0033:0x7ff60ecad54e
[   55.683987][ T1970] 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
[   55.683990][ T1970] RSP: 002b:00007ffe3c093a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.683995][ T1970] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff60ecad54e
[   55.683997][ T1970] RDX: 0000000000000000 RSI: 00007ffe3c093ab0 RDI: 0000000000000005
[   55.683998][ T1970] RBP: 00007ffe3c093a10 R08: 0000000000000000 R09: 0000000000000000
[   55.684000][ T1970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129e4
[   55.684001][ T1970] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3c094170
| [   59.651298][ T2093] softirqs last disabled at (0): 0x0
| [   59.651299][ T2093] Preemption disabled at:
| [   59.651300][ T2093] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.651311][ T2093] Tainted: [W]=WARN
[   59.651311][ T2093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.651313][ T2093] Call Trace:
[   59.651315][ T2093]  <TASK>
[   59.651316][ T2093]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.651321][ T2093]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.651323][ T2093]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.651326][ T2093]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.651330][ T2093]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   59.651332][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651336][ T2093]  __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))
[   59.651339][ T2093]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.651341][ T2093]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.651345][ T2093]  ? 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)
[   59.651347][ T2093]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.651349][ T2093]  put_chars (drivers/char/virtio_console.c:1176)
[   59.651351][ T2093]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.651353][ T2093]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   59.651355][ T2093]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.651358][ T2093]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.651360][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651362][ T2093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.651364][ T2093]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.651366][ T2093]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.651368][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651370][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651371][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651373][ T2093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.651375][ T2093]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   59.651377][ T2093]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.651379][ T2093]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.651382][ T2093]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.651383][ T2093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.651385][ T2093]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.651386][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651388][ T2093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.651389][ T2093]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.651391][ T2093]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   59.651393][ T2093]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.651395][ T2093]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.651397][ T2093]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.651399][ T2093]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.651401][ T2093]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.651404][ T2093]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.651406][ T2093]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.651408][ T2093]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.651410][ T2093]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.651412][ T2093]  ? __sys_sendmsg (net/socket.c:2799)
[   59.651414][ T2093]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.651417][ T2093]  _printk (kernel/printk/printk.c:2504)
[   59.651420][ T2093]  ? snapshot_read.cold (user.c:?)
[   59.651422][ T2093]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.651425][ T2093]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.651427][ T2093]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.651428][ T2093]  ? netdev_notice (net/core/dev.c:13194)
[   59.651430][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651432][ T2093]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   59.651433][ T2093]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   59.651436][ T2093]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   59.651437][ T2093]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   59.651440][ T2093]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   59.651443][ T2093]  dev_set_allmulti (net/core/dev_api.c:315)
[   59.651446][ T2093] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   59.651459][ T2093]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.651462][ T2093]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.651465][ T2093] br_del_if (net/bridge/br_if.c:732) bridge
[   59.651472][ T2093]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.651474][ T2093]  do_set_master (net/core/rtnetlink.c:3055)
[   59.651477][ T2093]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   59.651480][ T2093]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.651482][ T2093]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.651484][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651485][ T2093]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.651489][ T2093]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.651491][ T2093]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.651493][ T2093]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.651494][ T2093]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.651496][ T2093]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   59.651498][ T2093]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   59.651499][ T2093]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.651500][ T2093]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.651501][ T2093]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.651502][ T2093]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.651504][ T2093]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.651505][ T2093]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.651506][ T2093]  ? __sys_sendmsg (net/socket.c:2799)
[   59.651508][ T2093]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.651509][ T2093]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.651512][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651513][ T2093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.651515][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651516][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651518][ T2093]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.651520][ T2093]  ? __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)
[   59.651522][ T2093]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.651523][ T2093]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.651525][ T2093]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.651526][ T2093]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.651528][ T2093]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.651531][ T2093]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.651532][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651534][ T2093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.651535][ T2093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.651537][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651539][ T2093]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   59.651541][ T2093]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.651542][ T2093]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.651544][ T2093]  ? __kernel_text_address (kernel/extable.c:79)
[   59.651545][ T2093]  ? write_profile (profile.c:?)
[   59.651546][ T2093]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.651549][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651550][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651552][ T2093]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   59.651556][ T2093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.651557][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651559][ T2093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.651560][ T2093]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.651562][ T2093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.651563][ T2093]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.651565][ T2093]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.651567][ T2093]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.651568][ T2093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.651570][ T2093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.651571][ T2093]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.651572][ T2093]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   59.651575][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651577][ T2093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.651579][ T2093]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.651580][ T2093]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.651582][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651584][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651585][ T2093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.651587][ T2093]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.651589][ T2093]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.651591][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651593][ T2093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.651594][ T2093]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.651596][ T2093]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.651598][ T2093]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.651599][ T2093]  ? move_addr_to_kernel (net/socket.c:258)
[   59.651601][ T2093]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.651603][ T2093]  ___sys_sendmsg (net/socket.c:2767)
[   59.651605][ T2093]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.651610][ T2093]  __sys_sendmsg (net/socket.c:2799)
[   59.651611][ T2093]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.651614][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.651616][ T2093]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.651618][ T2093]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.651620][ T2093]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.651621][ T2093] RIP: 0033:0x7f135bf5c54e
[   59.651623][ T2093] 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
[   59.651625][ T2093] RSP: 002b:00007ffe295488c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.651628][ T2093] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f135bf5c54e
[   59.651630][ T2093] RDX: 0000000000000000 RSI: 00007ffe29548970 RDI: 0000000000000005
[   59.651631][ T2093] RBP: 00007ffe295488d0 R08: 0000000000000000 R09: 0000000000000000
[   59.651632][ T2093] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129e8
[   59.651632][ T2093] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe29549030
| [   62.504575][ T2216] softirqs last disabled at (0): 0x0
| [   62.504577][ T2216] Preemption disabled at:
| [   62.504578][ T2216] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.504589][ T2216] Tainted: [W]=WARN
[   62.504589][ T2216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.504591][ T2216] Call Trace:
[   62.504593][ T2216]  <TASK>
[   62.504594][ T2216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.504599][ T2216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.504601][ T2216]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.504605][ T2216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.504608][ T2216]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   62.504610][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504614][ T2216]  __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))
[   62.504617][ T2216]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.504620][ T2216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.504624][ T2216]  ? 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)
[   62.504625][ T2216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.504627][ T2216]  put_chars (drivers/char/virtio_console.c:1176)
[   62.504629][ T2216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.504631][ T2216]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   62.504634][ T2216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.504637][ T2216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.504638][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504640][ T2216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.504642][ T2216]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.504645][ T2216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.504646][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504648][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504650][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504652][ T2216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.504654][ T2216]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   62.504655][ T2216]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.504658][ T2216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.504660][ T2216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.504662][ T2216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.504664][ T2216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.504665][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504667][ T2216]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.504668][ T2216]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.504670][ T2216]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   62.504672][ T2216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.504674][ T2216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.504676][ T2216]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.504678][ T2216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.504680][ T2216]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.504683][ T2216]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.504686][ T2216]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.504688][ T2216]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.504690][ T2216]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.504692][ T2216]  ? __sys_sendmsg (net/socket.c:2799)
[   62.504693][ T2216]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.504696][ T2216]  _printk (kernel/printk/printk.c:2504)
[   62.504700][ T2216]  ? snapshot_read.cold (user.c:?)
[   62.504702][ T2216]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   62.504705][ T2216]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   62.504707][ T2216]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   62.504709][ T2216]  ? netdev_notice (net/core/dev.c:13194)
[   62.504710][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504712][ T2216]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   62.504714][ T2216]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   62.504716][ T2216]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   62.504718][ T2216]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.504720][ T2216]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   62.504723][ T2216]  dev_set_allmulti (net/core/dev_api.c:315)
[   62.504726][ T2216] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   62.504742][ T2216]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.504745][ T2216]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.504748][ T2216] br_del_if (net/bridge/br_if.c:732) bridge
[   62.504755][ T2216]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.504758][ T2216]  do_set_master (net/core/rtnetlink.c:3055)
[   62.504760][ T2216]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   62.504763][ T2216]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.504766][ T2216]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.504767][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504769][ T2216]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.504772][ T2216]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.504775][ T2216]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.504776][ T2216]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.504778][ T2216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.504779][ T2216]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   62.504781][ T2216]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   62.504782][ T2216]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.504783][ T2216]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.504784][ T2216]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.504786][ T2216]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.504787][ T2216]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.504788][ T2216]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.504790][ T2216]  ? __sys_sendmsg (net/socket.c:2799)
[   62.504791][ T2216]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.504792][ T2216]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.504795][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504797][ T2216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.504798][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504800][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504802][ T2216]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.504804][ T2216]  ? __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)
[   62.504806][ T2216]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.504807][ T2216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.504809][ T2216]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.504810][ T2216]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.504812][ T2216]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.504814][ T2216]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.504816][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504818][ T2216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.504819][ T2216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.504821][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504823][ T2216]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   62.504824][ T2216]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.504826][ T2216]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.504827][ T2216]  ? __kernel_text_address (kernel/extable.c:79)
[   62.504829][ T2216]  ? write_profile (profile.c:?)
[   62.504830][ T2216]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.504832][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504834][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504836][ T2216]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   62.504839][ T2216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.504841][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504843][ T2216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.504844][ T2216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.504846][ T2216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.504847][ T2216]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.504848][ T2216]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.504851][ T2216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.504852][ T2216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.504854][ T2216]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.504855][ T2216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.504857][ T2216]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   62.504859][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504861][ T2216]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.504863][ T2216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.504865][ T2216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.504866][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504868][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504870][ T2216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.504872][ T2216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.504874][ T2216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.504875][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504877][ T2216]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.504879][ T2216]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.504881][ T2216]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.504882][ T2216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.504884][ T2216]  ? move_addr_to_kernel (net/socket.c:258)
[   62.504885][ T2216]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.504888][ T2216]  ___sys_sendmsg (net/socket.c:2767)
[   62.504890][ T2216]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.504895][ T2216]  __sys_sendmsg (net/socket.c:2799)
[   62.504901][ T2216]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.504904][ T2216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.504906][ T2216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.504908][ T2216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.504910][ T2216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.504912][ T2216] RIP: 0033:0x7fd959c9e54e
[   62.504913][ T2216] 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
[   62.504915][ T2216] RSP: 002b:00007ffd6073fa40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.504919][ T2216] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd959c9e54e
[   62.504921][ T2216] RDX: 0000000000000000 RSI: 00007ffd6073faf0 RDI: 0000000000000005
[   62.504921][ T2216] RBP: 00007ffd6073fa50 R08: 0000000000000000 R09: 0000000000000000
[   62.504922][ T2216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129ea
[   62.504923][ T2216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd607401b0
| [   65.055440][ T2282] softirqs last disabled at (0): 0x0
| [   65.055442][ T2282] Preemption disabled at:
| [   65.055443][ T2282] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.055454][ T2282] Tainted: [W]=WARN
[   65.055455][ T2282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.055457][ T2282] Call Trace:
[   65.055458][ T2282]  <TASK>
[   65.055460][ T2282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.055465][ T2282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.055467][ T2282]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.055471][ T2282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.055474][ T2282]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   65.055477][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055481][ T2282]  __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))
[   65.055484][ T2282]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.055487][ T2282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.055491][ T2282]  ? 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)
[   65.055492][ T2282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.055494][ T2282]  put_chars (drivers/char/virtio_console.c:1176)
[   65.055496][ T2282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.055498][ T2282]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   65.055500][ T2282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.055504][ T2282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.055505][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055507][ T2282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.055509][ T2282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.055512][ T2282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.055514][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055515][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055517][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055519][ T2282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.055521][ T2282]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   65.055522][ T2282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.055525][ T2282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.055528][ T2282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.055529][ T2282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.055531][ T2282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.055533][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055534][ T2282]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.055536][ T2282]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.055537][ T2282]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   65.055539][ T2282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.055541][ T2282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.055543][ T2282]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.055546][ T2282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.055547][ T2282]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.055551][ T2282]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.055553][ T2282]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.055555][ T2282]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.055558][ T2282]  ? ___sys_sendmsg (net/socket.c:2767)
[   65.055559][ T2282]  ? __sys_sendmsg (net/socket.c:2799)
[   65.055561][ T2282]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.055564][ T2282]  _printk (kernel/printk/printk.c:2504)
[   65.055567][ T2282]  ? snapshot_read.cold (user.c:?)
[   65.055570][ T2282]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.055573][ T2282]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.055574][ T2282]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.055576][ T2282]  ? netdev_notice (net/core/dev.c:13194)
[   65.055578][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055580][ T2282]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   65.055581][ T2282]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   65.055584][ T2282]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   65.055586][ T2282]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   65.055588][ T2282]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   65.055591][ T2282]  dev_set_allmulti (net/core/dev_api.c:315)
[   65.055594][ T2282] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   65.055607][ T2282]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.055610][ T2282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.055613][ T2282] br_del_if (net/bridge/br_if.c:732) bridge
[   65.055621][ T2282]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.055623][ T2282]  do_set_master (net/core/rtnetlink.c:3055)
[   65.055626][ T2282]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.055629][ T2282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.055631][ T2282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.055633][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055634][ T2282]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   65.055638][ T2282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.055641][ T2282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.055642][ T2282]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.055644][ T2282]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.055645][ T2282]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   65.055647][ T2282]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   65.055648][ T2282]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.055649][ T2282]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.055651][ T2282]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.055652][ T2282]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.055653][ T2282]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.055655][ T2282]  ? ___sys_sendmsg (net/socket.c:2767)
[   65.055656][ T2282]  ? __sys_sendmsg (net/socket.c:2799)
[   65.055658][ T2282]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.055659][ T2282]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.055661][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055663][ T2282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.055665][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055666][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055668][ T2282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.055670][ T2282]  ? __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)
[   65.055672][ T2282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.055674][ T2282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.055675][ T2282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.055677][ T2282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.055679][ T2282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.055681][ T2282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.055683][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055685][ T2282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.055686][ T2282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.055688][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055690][ T2282]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   65.055691][ T2282]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.055693][ T2282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.055695][ T2282]  ? __kernel_text_address (kernel/extable.c:79)
[   65.055696][ T2282]  ? write_profile (profile.c:?)
[   65.055697][ T2282]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.055700][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055701][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055703][ T2282]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   65.055707][ T2282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.055708][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055710][ T2282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.055711][ T2282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.055713][ T2282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.055714][ T2282]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   65.055716][ T2282]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   65.055718][ T2282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.055720][ T2282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.055721][ T2282]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.055723][ T2282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.055724][ T2282]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   65.055729][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055731][ T2282]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.055733][ T2282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.055735][ T2282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.055737][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055738][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055740][ T2282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.055742][ T2282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.055744][ T2282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.055746][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055748][ T2282]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.055750][ T2282]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.055751][ T2282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.055753][ T2282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   65.055754][ T2282]  ? move_addr_to_kernel (net/socket.c:258)
[   65.055756][ T2282]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   65.055758][ T2282]  ___sys_sendmsg (net/socket.c:2767)
[   65.055760][ T2282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.055765][ T2282]  __sys_sendmsg (net/socket.c:2799)
[   65.055767][ T2282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.055770][ T2282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.055772][ T2282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.055773][ T2282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.055775][ T2282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.055777][ T2282] RIP: 0033:0x7f883360154e
[   65.055779][ T2282] 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
[   65.055781][ T2282] RSP: 002b:00007ffe73734cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.055785][ T2282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f883360154e
[   65.055786][ T2282] RDX: 0000000000000000 RSI: 00007ffe73734d60 RDI: 0000000000000005
[   65.055787][ T2282] RBP: 00007ffe73734cc0 R08: 0000000000000000 R09: 0000000000000000
[   65.055788][ T2282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129ed
[   65.055789][ T2282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe73735420
| [   67.840079][ T2387] softirqs last disabled at (0): 0x0
| [   67.840080][ T2387] Preemption disabled at:
| [   67.840081][ T2387] vprintk_emit (kernel/printk/printk.c:2471)
| [   67.840091][ T2387] Tainted: [W]=WARN
[   67.840092][ T2387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.840094][ T2387] Call Trace:
[   67.840095][ T2387]  <TASK>
[   67.840097][ T2387]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.840102][ T2387]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   67.840104][ T2387]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.840107][ T2387]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.840111][ T2387]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   67.840114][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840117][ T2387]  __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))
[   67.840120][ T2387]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   67.840123][ T2387]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.840127][ T2387]  ? 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)
[   67.840128][ T2387]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.840130][ T2387]  put_chars (drivers/char/virtio_console.c:1176)
[   67.840132][ T2387]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.840134][ T2387]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   67.840136][ T2387]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.840140][ T2387]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.840141][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840143][ T2387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.840145][ T2387]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.840147][ T2387]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.840149][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840151][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840152][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840154][ T2387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.840156][ T2387]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   67.840157][ T2387]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.840159][ T2387]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.840162][ T2387]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.840164][ T2387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.840165][ T2387]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.840167][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840168][ T2387]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.840170][ T2387]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   67.840171][ T2387]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   67.840173][ T2387]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.840175][ T2387]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.840177][ T2387]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.840179][ T2387]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.840181][ T2387]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.840184][ T2387]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.840187][ T2387]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.840188][ T2387]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   67.840191][ T2387]  ? ___sys_sendmsg (net/socket.c:2767)
[   67.840192][ T2387]  ? __sys_sendmsg (net/socket.c:2799)
[   67.840194][ T2387]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.840197][ T2387]  _printk (kernel/printk/printk.c:2504)
[   67.840200][ T2387]  ? snapshot_read.cold (user.c:?)
[   67.840202][ T2387]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   67.840205][ T2387]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   67.840207][ T2387]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   67.840209][ T2387]  ? netdev_notice (net/core/dev.c:13194)
[   67.840210][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840212][ T2387]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   67.840214][ T2387]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   67.840216][ T2387]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   67.840217][ T2387]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   67.840220][ T2387]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   67.840223][ T2387]  dev_set_allmulti (net/core/dev_api.c:315)
[   67.840226][ T2387] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   67.840239][ T2387]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   67.840242][ T2387]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   67.840245][ T2387] br_del_if (net/bridge/br_if.c:732) bridge
[   67.840252][ T2387]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   67.840254][ T2387]  do_set_master (net/core/rtnetlink.c:3055)
[   67.840256][ T2387]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   67.840259][ T2387]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   67.840262][ T2387]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   67.840263][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840265][ T2387]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   67.840268][ T2387]  ? kasan_save_stack (mm/kasan/common.c:58)
[   67.840271][ T2387]  ? kasan_save_stack (mm/kasan/common.c:57)
[   67.840272][ T2387]  ? kasan_save_track (mm/kasan/common.c:78)
[   67.840274][ T2387]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   67.840275][ T2387]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   67.840277][ T2387]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   67.840278][ T2387]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.840279][ T2387]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.840280][ T2387]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.840281][ T2387]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.840283][ T2387]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   67.840284][ T2387]  ? ___sys_sendmsg (net/socket.c:2767)
[   67.840285][ T2387]  ? __sys_sendmsg (net/socket.c:2799)
[   67.840287][ T2387]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.840288][ T2387]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.840290][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840292][ T2387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.840294][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840295][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840297][ T2387]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   67.840299][ T2387]  ? __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)
[   67.840301][ T2387]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   67.840302][ T2387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.840304][ T2387]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   67.840305][ T2387]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.840307][ T2387]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   67.840309][ T2387]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   67.840311][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840313][ T2387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.840314][ T2387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.840316][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840318][ T2387]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   67.840319][ T2387]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   67.840321][ T2387]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   67.840322][ T2387]  ? __kernel_text_address (kernel/extable.c:79)
[   67.840323][ T2387]  ? write_profile (profile.c:?)
[   67.840325][ T2387]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   67.840327][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840329][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840330][ T2387]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   67.840334][ T2387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.840335][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840337][ T2387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.840338][ T2387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.840340][ T2387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.840341][ T2387]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   67.840343][ T2387]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   67.840345][ T2387]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.840347][ T2387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.840348][ T2387]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.840349][ T2387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.840351][ T2387]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   67.840353][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840355][ T2387]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.840357][ T2387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.840359][ T2387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.840360][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840362][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840364][ T2387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.840365][ T2387]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.840367][ T2387]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.840369][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840371][ T2387]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.840373][ T2387]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   67.840374][ T2387]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.840376][ T2387]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   67.840377][ T2387]  ? move_addr_to_kernel (net/socket.c:258)
[   67.840379][ T2387]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   67.840381][ T2387]  ___sys_sendmsg (net/socket.c:2767)
[   67.840383][ T2387]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.840388][ T2387]  __sys_sendmsg (net/socket.c:2799)
[   67.840389][ T2387]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.840392][ T2387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.840394][ T2387]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.840396][ T2387]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.840398][ T2387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.840399][ T2387] RIP: 0033:0x7fc68275c54e
[   67.840401][ T2387] 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
[   67.840403][ T2387] RSP: 002b:00007ffc966ea570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.840407][ T2387] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc68275c54e
[   67.840409][ T2387] RDX: 0000000000000000 RSI: 00007ffc966ea620 RDI: 0000000000000005
[   67.840409][ T2387] RBP: 00007ffc966ea580 R08: 0000000000000000 R09: 0000000000000000
[   67.840410][ T2387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129f0
[   67.840411][ T2387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc966eace0
| [   70.739939][ T2515] softirqs last disabled at (0): 0x0
| [   70.739941][ T2515] Preemption disabled at:
| [   70.739942][ T2515] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.739959][ T2515] Tainted: [W]=WARN
[   70.739960][ T2515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.739961][ T2515] Call Trace:
[   70.739963][ T2515]  <TASK>
[   70.739964][ T2515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.739970][ T2515]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.739972][ T2515]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.739976][ T2515]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.739979][ T2515]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   70.739982][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.739986][ T2515]  __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))
[   70.739989][ T2515]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.739991][ T2515]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.739995][ T2515]  ? 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)
[   70.739997][ T2515]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.739998][ T2515]  put_chars (drivers/char/virtio_console.c:1176)
[   70.740001][ T2515]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.740002][ T2515]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   70.740005][ T2515]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.740008][ T2515]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.740009][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740011][ T2515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.740013][ T2515]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.740016][ T2515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.740018][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740019][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740021][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740022][ T2515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.740024][ T2515]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   70.740026][ T2515]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.740028][ T2515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.740031][ T2515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.740033][ T2515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.740034][ T2515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.740036][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740037][ T2515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.740039][ T2515]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   70.740040][ T2515]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   70.740042][ T2515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.740044][ T2515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.740046][ T2515]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.740048][ T2515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.740050][ T2515]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.740053][ T2515]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.740056][ T2515]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.740057][ T2515]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.740060][ T2515]  ? ___sys_sendmsg (net/socket.c:2767)
[   70.740061][ T2515]  ? __sys_sendmsg (net/socket.c:2799)
[   70.740063][ T2515]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.740066][ T2515]  _printk (kernel/printk/printk.c:2504)
[   70.740069][ T2515]  ? snapshot_read.cold (user.c:?)
[   70.740072][ T2515]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.740075][ T2515]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.740076][ T2515]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.740078][ T2515]  ? netdev_notice (net/core/dev.c:13194)
[   70.740080][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740082][ T2515]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   70.740083][ T2515]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   70.740086][ T2515]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   70.740087][ T2515]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   70.740090][ T2515]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   70.740093][ T2515]  dev_set_allmulti (net/core/dev_api.c:315)
[   70.740095][ T2515] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   70.740108][ T2515]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   70.740111][ T2515]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   70.740114][ T2515] br_del_if (net/bridge/br_if.c:732) bridge
[   70.740121][ T2515]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   70.740123][ T2515]  do_set_master (net/core/rtnetlink.c:3055)
[   70.740126][ T2515]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   70.740129][ T2515]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   70.740131][ T2515]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   70.740132][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740134][ T2515]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   70.740138][ T2515]  ? kasan_save_stack (mm/kasan/common.c:58)
[   70.740140][ T2515]  ? kasan_save_stack (mm/kasan/common.c:57)
[   70.740142][ T2515]  ? kasan_save_track (mm/kasan/common.c:78)
[   70.740143][ T2515]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.740145][ T2515]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   70.740146][ T2515]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   70.740148][ T2515]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.740149][ T2515]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.740150][ T2515]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.740152][ T2515]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.740153][ T2515]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.740154][ T2515]  ? ___sys_sendmsg (net/socket.c:2767)
[   70.740155][ T2515]  ? __sys_sendmsg (net/socket.c:2799)
[   70.740157][ T2515]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.740158][ T2515]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.740161][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740162][ T2515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.740164][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740165][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740167][ T2515]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.740169][ T2515]  ? __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)
[   70.740171][ T2515]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.740172][ T2515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.740174][ T2515]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.740175][ T2515]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.740177][ T2515]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   70.740179][ T2515]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.740181][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740183][ T2515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.740184][ T2515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.740186][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740188][ T2515]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   70.740189][ T2515]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   70.740191][ T2515]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   70.740192][ T2515]  ? __kernel_text_address (kernel/extable.c:79)
[   70.740194][ T2515]  ? write_profile (profile.c:?)
[   70.740195][ T2515]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   70.740197][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740199][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740200][ T2515]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   70.740204][ T2515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.740205][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740207][ T2515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.740208][ T2515]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.740210][ T2515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.740211][ T2515]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   70.740213][ T2515]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   70.740215][ T2515]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.740217][ T2515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.740218][ T2515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.740219][ T2515]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.740221][ T2515]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   70.740223][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740225][ T2515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.740227][ T2515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.740229][ T2515]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.740231][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740232][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740234][ T2515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.740236][ T2515]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.740238][ T2515]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.740240][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740241][ T2515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.740243][ T2515]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.740245][ T2515]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.740246][ T2515]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   70.740248][ T2515]  ? move_addr_to_kernel (net/socket.c:258)
[   70.740249][ T2515]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   70.740252][ T2515]  ___sys_sendmsg (net/socket.c:2767)
[   70.740254][ T2515]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.740258][ T2515]  __sys_sendmsg (net/socket.c:2799)
[   70.740260][ T2515]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.740263][ T2515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.740265][ T2515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.740266][ T2515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.740269][ T2515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.740270][ T2515] RIP: 0033:0x7faafa02c54e
[   70.740272][ T2515] 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
[   70.740274][ T2515] RSP: 002b:00007ffd31e6e780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.740278][ T2515] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faafa02c54e
[   70.740279][ T2515] RDX: 0000000000000000 RSI: 00007ffd31e6e830 RDI: 0000000000000005
[   70.740280][ T2515] RBP: 00007ffd31e6e790 R08: 0000000000000000 R09: 0000000000000000
[   70.740281][ T2515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129f3
[   70.740282][ T2515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd31e6eef0
| [   75.273564][ T2573] softirqs last disabled at (0): 0x0
| [   75.273566][ T2573] Preemption disabled at:
| [   75.273567][ T2573] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.273577][ T2573] Tainted: [W]=WARN
[   75.273578][ T2573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.273580][ T2573] Call Trace:
[   75.273582][ T2573]  <TASK>
[   75.273583][ T2573]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.273589][ T2573]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.273591][ T2573]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.273595][ T2573]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.273598][ T2573]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   75.273601][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273605][ T2573]  __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))
[   75.273607][ T2573]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   75.273610][ T2573]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.273614][ T2573]  ? 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)
[   75.273615][ T2573]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.273618][ T2573]  put_chars (drivers/char/virtio_console.c:1176)
[   75.273620][ T2573]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.273621][ T2573]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   75.273624][ T2573]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.273627][ T2573]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.273628][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273630][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.273632][ T2573]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.273635][ T2573]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.273637][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273639][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273640][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273642][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.273644][ T2573]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   75.273645][ T2573]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.273648][ T2573]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.273650][ T2573]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.273652][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.273654][ T2573]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.273655][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273657][ T2573]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.273658][ T2573]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   75.273660][ T2573]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   75.273662][ T2573]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.273664][ T2573]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.273666][ T2573]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.273668][ T2573]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.273670][ T2573]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.273673][ T2573]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.273675][ T2573]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.273677][ T2573]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.273679][ T2573]  ? ___sys_sendmsg (net/socket.c:2767)
[   75.273681][ T2573]  ? __sys_sendmsg (net/socket.c:2799)
[   75.273682][ T2573]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.273686][ T2573]  _printk (kernel/printk/printk.c:2504)
[   75.273689][ T2573]  ? snapshot_read.cold (user.c:?)
[   75.273691][ T2573]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   75.273694][ T2573]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   75.273696][ T2573]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   75.273698][ T2573]  ? netdev_notice (net/core/dev.c:13194)
[   75.273699][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273701][ T2573]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   75.273703][ T2573]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   75.273705][ T2573]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   75.273707][ T2573]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   75.273710][ T2573]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   75.273712][ T2573]  dev_set_allmulti (net/core/dev_api.c:315)
[   75.273715][ T2573] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   75.273731][ T2573]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.273734][ T2573]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.273737][ T2573] br_del_if (net/bridge/br_if.c:732) bridge
[   75.273744][ T2573]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   75.273746][ T2573]  do_set_master (net/core/rtnetlink.c:3055)
[   75.273749][ T2573]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   75.273751][ T2573]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   75.273754][ T2573]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   75.273755][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273757][ T2573]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.273761][ T2573]  ? kasan_save_stack (mm/kasan/common.c:58)
[   75.273763][ T2573]  ? kasan_save_stack (mm/kasan/common.c:57)
[   75.273765][ T2573]  ? kasan_save_track (mm/kasan/common.c:78)
[   75.273766][ T2573]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   75.273768][ T2573]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   75.273769][ T2573]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   75.273770][ T2573]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.273771][ T2573]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.273773][ T2573]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.273774][ T2573]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.273775][ T2573]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.273776][ T2573]  ? ___sys_sendmsg (net/socket.c:2767)
[   75.273778][ T2573]  ? __sys_sendmsg (net/socket.c:2799)
[   75.273779][ T2573]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.273780][ T2573]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.273783][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273784][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.273786][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273787][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273789][ T2573]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   75.273791][ T2573]  ? __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)
[   75.273793][ T2573]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   75.273794][ T2573]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.273796][ T2573]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   75.273797][ T2573]  ? nla_get_range_signed (lib/nlattr.c:270)
[   75.273799][ T2573]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   75.273801][ T2573]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.273803][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273805][ T2573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.273806][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.273807][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273809][ T2573]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   75.273811][ T2573]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.273813][ T2573]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.273814][ T2573]  ? __kernel_text_address (kernel/extable.c:79)
[   75.273815][ T2573]  ? write_profile (profile.c:?)
[   75.273817][ T2573]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   75.273819][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273821][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273822][ T2573]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   75.273826][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.273827][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273829][ T2573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.273830][ T2573]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.273832][ T2573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.273833][ T2573]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.273835][ T2573]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.273837][ T2573]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.273838][ T2573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.273840][ T2573]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.273841][ T2573]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.273842][ T2573]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   75.273845][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273846][ T2573]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.273848][ T2573]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.273850][ T2573]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.273852][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273853][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273855][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.273857][ T2573]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.273859][ T2573]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.273860][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273862][ T2573]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.273864][ T2573]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.273865][ T2573]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.273867][ T2573]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   75.273868][ T2573]  ? move_addr_to_kernel (net/socket.c:258)
[   75.273870][ T2573]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.273872][ T2573]  ___sys_sendmsg (net/socket.c:2767)
[   75.273874][ T2573]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.273879][ T2573]  __sys_sendmsg (net/socket.c:2799)
[   75.273880][ T2573]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.273883][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.273885][ T2573]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.273886][ T2573]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.273889][ T2573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.273890][ T2573] RIP: 0033:0x7fdce67a954e
[   75.273892][ T2573] 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
[   75.273894][ T2573] RSP: 002b:00007fff62210530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.273897][ T2573] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdce67a954e
[   75.273899][ T2573] RDX: 0000000000000000 RSI: 00007fff622105e0 RDI: 0000000000000005
[   75.273899][ T2573] RBP: 00007fff62210540 R08: 0000000000000000 R09: 0000000000000000
[   75.273900][ T2573] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129f7
[   75.273901][ T2573] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff62210ca0
| [   77.811026][ T2669] softirqs last disabled at (0): 0x0
| [   77.811028][ T2669] Preemption disabled at:
| [   77.811029][ T2669] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.811039][ T2669] Tainted: [W]=WARN
[   77.811040][ T2669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.811042][ T2669] Call Trace:
[   77.811043][ T2669]  <TASK>
[   77.811045][ T2669]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.811050][ T2669]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.811052][ T2669]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.811055][ T2669]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.811059][ T2669]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   77.811062][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811066][ T2669]  __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))
[   77.811069][ T2669]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   77.811071][ T2669]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.811075][ T2669]  ? 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)
[   77.811077][ T2669]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.811079][ T2669]  put_chars (drivers/char/virtio_console.c:1176)
[   77.811081][ T2669]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.811082][ T2669]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   77.811085][ T2669]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.811088][ T2669]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.811089][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811091][ T2669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.811093][ T2669]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.811096][ T2669]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.811097][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811099][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811101][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811102][ T2669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.811104][ T2669]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   77.811106][ T2669]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.811108][ T2669]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.811111][ T2669]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.811113][ T2669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.811114][ T2669]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.811116][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811117][ T2669]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.811119][ T2669]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   77.811120][ T2669]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   77.811122][ T2669]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.811124][ T2669]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.811126][ T2669]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.811128][ T2669]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.811130][ T2669]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.811134][ T2669]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.811137][ T2669]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.811138][ T2669]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.811141][ T2669]  ? ___sys_sendmsg (net/socket.c:2767)
[   77.811142][ T2669]  ? __sys_sendmsg (net/socket.c:2799)
[   77.811144][ T2669]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.811147][ T2669]  _printk (kernel/printk/printk.c:2504)
[   77.811150][ T2669]  ? snapshot_read.cold (user.c:?)
[   77.811152][ T2669]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.811155][ T2669]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.811157][ T2669]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.811159][ T2669]  ? netdev_notice (net/core/dev.c:13194)
[   77.811160][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811162][ T2669]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   77.811164][ T2669]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   77.811166][ T2669]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   77.811168][ T2669]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   77.811170][ T2669]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   77.811173][ T2669]  dev_set_allmulti (net/core/dev_api.c:315)
[   77.811176][ T2669] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   77.811188][ T2669]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   77.811192][ T2669]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   77.811194][ T2669] br_del_if (net/bridge/br_if.c:732) bridge
[   77.811201][ T2669]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   77.811204][ T2669]  do_set_master (net/core/rtnetlink.c:3055)
[   77.811206][ T2669]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   77.811209][ T2669]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   77.811211][ T2669]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   77.811212][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811214][ T2669]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   77.811218][ T2669]  ? kasan_save_stack (mm/kasan/common.c:58)
[   77.811220][ T2669]  ? kasan_save_stack (mm/kasan/common.c:57)
[   77.811222][ T2669]  ? kasan_save_track (mm/kasan/common.c:78)
[   77.811223][ T2669]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.811225][ T2669]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   77.811226][ T2669]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   77.811228][ T2669]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.811229][ T2669]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.811230][ T2669]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.811231][ T2669]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.811233][ T2669]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.811234][ T2669]  ? ___sys_sendmsg (net/socket.c:2767)
[   77.811235][ T2669]  ? __sys_sendmsg (net/socket.c:2799)
[   77.811237][ T2669]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.811238][ T2669]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.811240][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811242][ T2669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.811243][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811245][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811247][ T2669]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   77.811249][ T2669]  ? __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)
[   77.811251][ T2669]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   77.811252][ T2669]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.811254][ T2669]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   77.811256][ T2669]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.811258][ T2669]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   77.811260][ T2669]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.811262][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811264][ T2669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.811265][ T2669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.811266][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811268][ T2669]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   77.811270][ T2669]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   77.811272][ T2669]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   77.811273][ T2669]  ? __kernel_text_address (kernel/extable.c:79)
[   77.811274][ T2669]  ? write_profile (profile.c:?)
[   77.811275][ T2669]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   77.811278][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811279][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811281][ T2669]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   77.811285][ T2669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.811286][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811288][ T2669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.811289][ T2669]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.811291][ T2669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.811292][ T2669]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   77.811294][ T2669]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   77.811296][ T2669]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.811298][ T2669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.811299][ T2669]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.811301][ T2669]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.811302][ T2669]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   77.811304][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811306][ T2669]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.811308][ T2669]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.811310][ T2669]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.811312][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811313][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811315][ T2669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.811317][ T2669]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.811319][ T2669]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.811321][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811322][ T2669]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.811324][ T2669]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.811326][ T2669]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.811327][ T2669]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   77.811329][ T2669]  ? move_addr_to_kernel (net/socket.c:258)
[   77.811330][ T2669]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   77.811333][ T2669]  ___sys_sendmsg (net/socket.c:2767)
[   77.811335][ T2669]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.811340][ T2669]  __sys_sendmsg (net/socket.c:2799)
[   77.811342][ T2669]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.811344][ T2669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.811346][ T2669]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.811348][ T2669]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.811350][ T2669]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.811352][ T2669] RIP: 0033:0x7f8be70eb54e
[   77.811353][ T2669] 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
[   77.811356][ T2669] RSP: 002b:00007ffcde5313e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.811359][ T2669] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8be70eb54e
[   77.811361][ T2669] RDX: 0000000000000000 RSI: 00007ffcde531490 RDI: 0000000000000005
[   77.811362][ T2669] RBP: 00007ffcde5313f0 R08: 0000000000000000 R09: 0000000000000000
[   77.811362][ T2669] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129fa
[   77.811363][ T2669] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcde531b50
| [   80.483734][ T2780] softirqs last disabled at (0): 0x0
| [   80.483736][ T2780] Preemption disabled at:
| [   80.483737][ T2780] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.483748][ T2780] Tainted: [W]=WARN
[   80.483749][ T2780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.483750][ T2780] Call Trace:
[   80.483752][ T2780]  <TASK>
[   80.483753][ T2780]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.483758][ T2780]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.483760][ T2780]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.483764][ T2780]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.483767][ T2780]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   80.483770][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483774][ T2780]  __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))
[   80.483777][ T2780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.483779][ T2780]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.483783][ T2780]  ? 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)
[   80.483785][ T2780]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.483787][ T2780]  put_chars (drivers/char/virtio_console.c:1176)
[   80.483789][ T2780]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.483790][ T2780]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   80.483793][ T2780]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.483796][ T2780]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.483798][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483800][ T2780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.483802][ T2780]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.483804][ T2780]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.483806][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483808][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483810][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483811][ T2780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.483813][ T2780]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   80.483815][ T2780]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.483817][ T2780]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.483820][ T2780]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.483822][ T2780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.483823][ T2780]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.483825][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483827][ T2780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.483828][ T2780]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   80.483829][ T2780]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   80.483832][ T2780]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.483833][ T2780]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.483835][ T2780]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.483838][ T2780]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.483840][ T2780]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.483843][ T2780]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.483845][ T2780]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.483847][ T2780]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.483850][ T2780]  ? ___sys_sendmsg (net/socket.c:2767)
[   80.483851][ T2780]  ? __sys_sendmsg (net/socket.c:2799)
[   80.483853][ T2780]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.483856][ T2780]  _printk (kernel/printk/printk.c:2504)
[   80.483859][ T2780]  ? snapshot_read.cold (user.c:?)
[   80.483861][ T2780]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.483864][ T2780]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.483866][ T2780]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.483868][ T2780]  ? netdev_notice (net/core/dev.c:13194)
[   80.483870][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483872][ T2780]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   80.483873][ T2780]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   80.483876][ T2780]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   80.483877][ T2780]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   80.483880][ T2780]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   80.483883][ T2780]  dev_set_allmulti (net/core/dev_api.c:315)
[   80.483885][ T2780] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   80.483898][ T2780]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.483901][ T2780]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   80.483904][ T2780] br_del_if (net/bridge/br_if.c:732) bridge
[   80.483911][ T2780]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   80.483914][ T2780]  do_set_master (net/core/rtnetlink.c:3055)
[   80.483916][ T2780]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   80.483919][ T2780]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   80.483922][ T2780]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   80.483923][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483925][ T2780]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.483929][ T2780]  ? kasan_save_stack (mm/kasan/common.c:58)
[   80.483931][ T2780]  ? kasan_save_stack (mm/kasan/common.c:57)
[   80.483933][ T2780]  ? kasan_save_track (mm/kasan/common.c:78)
[   80.483934][ T2780]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.483936][ T2780]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   80.483938][ T2780]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   80.483939][ T2780]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.483940][ T2780]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.483941][ T2780]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.483943][ T2780]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.483944][ T2780]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.483945][ T2780]  ? ___sys_sendmsg (net/socket.c:2767)
[   80.483947][ T2780]  ? __sys_sendmsg (net/socket.c:2799)
[   80.483948][ T2780]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.483950][ T2780]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.483952][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483954][ T2780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.483955][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483957][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483959][ T2780]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   80.483961][ T2780]  ? __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)
[   80.483963][ T2780]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   80.483964][ T2780]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   80.483966][ T2780]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   80.483967][ T2780]  ? nla_get_range_signed (lib/nlattr.c:270)
[   80.483970][ T2780]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   80.483972][ T2780]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   80.483974][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483975][ T2780]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.483977][ T2780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.483978][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483980][ T2780]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   80.483982][ T2780]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.483984][ T2780]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   80.483985][ T2780]  ? __kernel_text_address (kernel/extable.c:79)
[   80.483986][ T2780]  ? write_profile (profile.c:?)
[   80.483987][ T2780]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.483990][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483992][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.483993][ T2780]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   80.483997][ T2780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.483998][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.484000][ T2780]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.484001][ T2780]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.484003][ T2780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.484004][ T2780]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.484006][ T2780]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.484014][ T2780]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.484016][ T2780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.484017][ T2780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.484019][ T2780]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.484020][ T2780]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   80.484023][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.484024][ T2780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.484027][ T2780]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.484029][ T2780]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.484030][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.484032][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.484034][ T2780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.484036][ T2780]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.484038][ T2780]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.484040][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.484041][ T2780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.484043][ T2780]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.484045][ T2780]  ? copy_msghdr_from_user (net/socket.c:2650)
[   80.484047][ T2780]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   80.484048][ T2780]  ? move_addr_to_kernel (net/socket.c:258)
[   80.484050][ T2780]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.484052][ T2780]  ___sys_sendmsg (net/socket.c:2767)
[   80.484054][ T2780]  ? copy_msghdr_from_user (net/socket.c:2619)
[   80.484059][ T2780]  __sys_sendmsg (net/socket.c:2799)
[   80.484061][ T2780]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   80.484063][ T2780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.484066][ T2780]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.484067][ T2780]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.484069][ T2780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.484071][ T2780] RIP: 0033:0x7fba2000754e
[   80.484072][ T2780] 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
[   80.484074][ T2780] RSP: 002b:00007ffcdc4fae20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.484078][ T2780] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fba2000754e
[   80.484079][ T2780] RDX: 0000000000000000 RSI: 00007ffcdc4faed0 RDI: 0000000000000005
[   80.484080][ T2780] RBP: 00007ffcdc4fae30 R08: 0000000000000000 R09: 0000000000000000
[   80.484081][ T2780] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129fc
[   80.484082][ T2780] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdc4fb590
| [   83.286115][ T2906] softirqs last disabled at (0): 0x0
| [   83.286116][ T2906] Preemption disabled at:
| [   83.286117][ T2906] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.286128][ T2906] Tainted: [W]=WARN
[   83.286129][ T2906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.286131][ T2906] Call Trace:
[   83.286132][ T2906]  <TASK>
[   83.286134][ T2906]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.286139][ T2906]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.286141][ T2906]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.286145][ T2906]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.286148][ T2906]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   83.286150][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286154][ T2906]  __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))
[   83.286157][ T2906]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   83.286159][ T2906]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.286163][ T2906]  ? 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)
[   83.286165][ T2906]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.286167][ T2906]  put_chars (drivers/char/virtio_console.c:1176)
[   83.286169][ T2906]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.286171][ T2906]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   83.286173][ T2906]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.286176][ T2906]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.286177][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286179][ T2906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.286181][ T2906]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.286184][ T2906]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.286186][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286187][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286189][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286191][ T2906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.286193][ T2906]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   83.286194][ T2906]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.286197][ T2906]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.286199][ T2906]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.286201][ T2906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.286203][ T2906]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.286204][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286206][ T2906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.286207][ T2906]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   83.286209][ T2906]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   83.286211][ T2906]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.286213][ T2906]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.286215][ T2906]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.286217][ T2906]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.286219][ T2906]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.286222][ T2906]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.286225][ T2906]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.286226][ T2906]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.286228][ T2906]  ? ___sys_sendmsg (net/socket.c:2767)
[   83.286230][ T2906]  ? __sys_sendmsg (net/socket.c:2799)
[   83.286231][ T2906]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.286235][ T2906]  _printk (kernel/printk/printk.c:2504)
[   83.286238][ T2906]  ? snapshot_read.cold (user.c:?)
[   83.286240][ T2906]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   83.286243][ T2906]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   83.286245][ T2906]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   83.286247][ T2906]  ? netdev_notice (net/core/dev.c:13194)
[   83.286248][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286250][ T2906]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   83.286252][ T2906]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   83.286254][ T2906]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   83.286256][ T2906]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   83.286258][ T2906]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   83.286261][ T2906]  dev_set_allmulti (net/core/dev_api.c:315)
[   83.286264][ T2906] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   83.286276][ T2906]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   83.286279][ T2906]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   83.286282][ T2906] br_del_if (net/bridge/br_if.c:732) bridge
[   83.286289][ T2906]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   83.286291][ T2906]  do_set_master (net/core/rtnetlink.c:3055)
[   83.286293][ T2906]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   83.286296][ T2906]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   83.286299][ T2906]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   83.286300][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286302][ T2906]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   83.286305][ T2906]  ? kasan_save_stack (mm/kasan/common.c:58)
[   83.286308][ T2906]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.286309][ T2906]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.286311][ T2906]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   83.286312][ T2906]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   83.286314][ T2906]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   83.286315][ T2906]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.286316][ T2906]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.286318][ T2906]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.286319][ T2906]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.286320][ T2906]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.286321][ T2906]  ? ___sys_sendmsg (net/socket.c:2767)
[   83.286323][ T2906]  ? __sys_sendmsg (net/socket.c:2799)
[   83.286324][ T2906]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.286326][ T2906]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.286328][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286330][ T2906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.286331][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286333][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286335][ T2906]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   83.286337][ T2906]  ? __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)
[   83.286339][ T2906]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   83.286340][ T2906]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.286342][ T2906]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   83.286343][ T2906]  ? nla_get_range_signed (lib/nlattr.c:270)
[   83.286345][ T2906]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   83.286348][ T2906]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.286349][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286351][ T2906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.286353][ T2906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.286354][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286356][ T2906]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   83.286358][ T2906]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   83.286359][ T2906]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   83.286361][ T2906]  ? __kernel_text_address (kernel/extable.c:79)
[   83.286362][ T2906]  ? write_profile (profile.c:?)
[   83.286363][ T2906]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   83.286365][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286367][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286369][ T2906]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   83.286372][ T2906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.286374][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286376][ T2906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.286377][ T2906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.286379][ T2906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.286380][ T2906]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   83.286381][ T2906]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   83.286384][ T2906]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.286385][ T2906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.286387][ T2906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.286388][ T2906]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.286390][ T2906]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   83.286392][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286394][ T2906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.286396][ T2906]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.286398][ T2906]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.286399][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286401][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286403][ T2906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.286404][ T2906]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.286406][ T2906]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   83.286408][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286410][ T2906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.286412][ T2906]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.286413][ T2906]  ? copy_msghdr_from_user (net/socket.c:2650)
[   83.286415][ T2906]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   83.286417][ T2906]  ? move_addr_to_kernel (net/socket.c:258)
[   83.286418][ T2906]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   83.286420][ T2906]  ___sys_sendmsg (net/socket.c:2767)
[   83.286422][ T2906]  ? copy_msghdr_from_user (net/socket.c:2619)
[   83.286427][ T2906]  __sys_sendmsg (net/socket.c:2799)
[   83.286429][ T2906]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   83.286432][ T2906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.286434][ T2906]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.286435][ T2906]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   83.286437][ T2906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.286439][ T2906] RIP: 0033:0x7f09bdf1354e
[   83.286441][ T2906] 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
[   83.286443][ T2906] RSP: 002b:00007ffcd39bdcc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.286446][ T2906] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f09bdf1354e
[   83.286448][ T2906] RDX: 0000000000000000 RSI: 00007ffcd39bdd70 RDI: 0000000000000005
[   83.286449][ T2906] RBP: 00007ffcd39bdcd0 R08: 0000000000000000 R09: 0000000000000000
[   83.286450][ T2906] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129ff
[   83.286451][ T2906] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd39be430
| [   86.119808][ T3036] softirqs last disabled at (0): 0x0
| [   86.119810][ T3036] Preemption disabled at:
| [   86.119811][ T3036] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.119822][ T3036] Tainted: [W]=WARN
[   86.119823][ T3036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.119824][ T3036] Call Trace:
[   86.119826][ T3036]  <TASK>
[   86.119827][ T3036]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.119833][ T3036]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.119835][ T3036]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.119838][ T3036]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.119842][ T3036]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   86.119845][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.119848][ T3036]  __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))
[   86.119852][ T3036]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.119854][ T3036]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.119858][ T3036]  ? 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)
[   86.119860][ T3036]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.119862][ T3036]  put_chars (drivers/char/virtio_console.c:1176)
[   86.119864][ T3036]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.119865][ T3036]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   86.119868][ T3036]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.119871][ T3036]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.119872][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.119874][ T3036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.119876][ T3036]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.119879][ T3036]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.119881][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.119883][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.119884][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.119886][ T3036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.119888][ T3036]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   86.119890][ T3036]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.119892][ T3036]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.119895][ T3036]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.119896][ T3036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.119898][ T3036]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.119900][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.119901][ T3036]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.119903][ T3036]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   86.119904][ T3036]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   86.119906][ T3036]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.119908][ T3036]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.119910][ T3036]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.119913][ T3036]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.119914][ T3036]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.119917][ T3036]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.119920][ T3036]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.119922][ T3036]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.119924][ T3036]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.119926][ T3036]  ? __sys_sendmsg (net/socket.c:2799)
[   86.119928][ T3036]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.119931][ T3036]  _printk (kernel/printk/printk.c:2504)
[   86.119934][ T3036]  ? snapshot_read.cold (user.c:?)
[   86.119937][ T3036]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   86.119940][ T3036]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   86.119942][ T3036]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   86.119944][ T3036]  ? netdev_notice (net/core/dev.c:13194)
[   86.119945][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.119947][ T3036]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   86.119949][ T3036]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   86.119952][ T3036]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   86.119953][ T3036]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.119956][ T3036]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   86.119959][ T3036]  dev_set_allmulti (net/core/dev_api.c:315)
[   86.119961][ T3036] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   86.119974][ T3036]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.119978][ T3036]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.119981][ T3036] br_del_if (net/bridge/br_if.c:732) bridge
[   86.119988][ T3036]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.119990][ T3036]  do_set_master (net/core/rtnetlink.c:3055)
[   86.119993][ T3036]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   86.119996][ T3036]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.119999][ T3036]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.120000][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120002][ T3036]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.120005][ T3036]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.120008][ T3036]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.120010][ T3036]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.120011][ T3036]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.120013][ T3036]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   86.120015][ T3036]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   86.120016][ T3036]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.120017][ T3036]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.120018][ T3036]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.120019][ T3036]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.120021][ T3036]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.120022][ T3036]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.120023][ T3036]  ? __sys_sendmsg (net/socket.c:2799)
[   86.120025][ T3036]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.120026][ T3036]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.120029][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120031][ T3036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.120032][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120034][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120036][ T3036]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.120038][ T3036]  ? __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)
[   86.120040][ T3036]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.120047][ T3036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.120049][ T3036]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.120050][ T3036]  ? nla_get_range_signed (lib/nlattr.c:270)
[   86.120052][ T3036]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.120054][ T3036]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.120056][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120058][ T3036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.120059][ T3036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.120061][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120063][ T3036]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   86.120065][ T3036]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.120067][ T3036]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.120068][ T3036]  ? __kernel_text_address (kernel/extable.c:79)
[   86.120069][ T3036]  ? write_profile (profile.c:?)
[   86.120071][ T3036]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   86.120073][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120075][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120077][ T3036]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   86.120080][ T3036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.120082][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120084][ T3036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.120085][ T3036]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.120087][ T3036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.120088][ T3036]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.120090][ T3036]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.120093][ T3036]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.120094][ T3036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.120096][ T3036]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.120097][ T3036]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.120098][ T3036]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   86.120101][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120103][ T3036]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.120105][ T3036]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.120107][ T3036]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.120108][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120110][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120112][ T3036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.120114][ T3036]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.120116][ T3036]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.120118][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120119][ T3036]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.120121][ T3036]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.120123][ T3036]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.120125][ T3036]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   86.120126][ T3036]  ? move_addr_to_kernel (net/socket.c:258)
[   86.120128][ T3036]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.120130][ T3036]  ___sys_sendmsg (net/socket.c:2767)
[   86.120132][ T3036]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.120137][ T3036]  __sys_sendmsg (net/socket.c:2799)
[   86.120139][ T3036]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.120142][ T3036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.120144][ T3036]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.120145][ T3036]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.120147][ T3036]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.120149][ T3036] RIP: 0033:0x7fdea810054e
[   86.120151][ T3036] 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
[   86.120153][ T3036] RSP: 002b:00007ffc25b172b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.120156][ T3036] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdea810054e
[   86.120158][ T3036] RDX: 0000000000000000 RSI: 00007ffc25b17360 RDI: 0000000000000005
[   86.120159][ T3036] RBP: 00007ffc25b172c0 R08: 0000000000000000 R09: 0000000000000000
[   86.120160][ T3036] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912a02
[   86.120160][ T3036] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc25b17a20
| [   90.767329][ T3096] softirqs last disabled at (0): 0x0
| [   90.767331][ T3096] Preemption disabled at:
| [   90.767332][ T3096] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.767343][ T3096] Tainted: [W]=WARN
[   90.767344][ T3096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.767345][ T3096] Call Trace:
[   90.767347][ T3096]  <TASK>
[   90.767348][ T3096]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.767353][ T3096]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.767355][ T3096]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.767359][ T3096]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.767362][ T3096]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   90.767365][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767370][ T3096]  __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))
[   90.767372][ T3096]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   90.767375][ T3096]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.767379][ T3096]  ? 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)
[   90.767381][ T3096]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.767382][ T3096]  put_chars (drivers/char/virtio_console.c:1176)
[   90.767384][ T3096]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.767386][ T3096]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   90.767389][ T3096]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.767392][ T3096]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.767393][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767395][ T3096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.767397][ T3096]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.767400][ T3096]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.767401][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767403][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767405][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767407][ T3096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.767409][ T3096]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   90.767410][ T3096]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.767413][ T3096]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.767415][ T3096]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.767417][ T3096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.767419][ T3096]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.767420][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767422][ T3096]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.767424][ T3096]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   90.767425][ T3096]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   90.767427][ T3096]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.767429][ T3096]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.767431][ T3096]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.767434][ T3096]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.767436][ T3096]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.767439][ T3096]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.767442][ T3096]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.767443][ T3096]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.767446][ T3096]  ? ___sys_sendmsg (net/socket.c:2767)
[   90.767447][ T3096]  ? __sys_sendmsg (net/socket.c:2799)
[   90.767449][ T3096]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.767452][ T3096]  _printk (kernel/printk/printk.c:2504)
[   90.767455][ T3096]  ? snapshot_read.cold (user.c:?)
[   90.767458][ T3096]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   90.767461][ T3096]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   90.767463][ T3096]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   90.767465][ T3096]  ? netdev_notice (net/core/dev.c:13194)
[   90.767466][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767468][ T3096]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   90.767470][ T3096]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   90.767472][ T3096]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   90.767474][ T3096]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   90.767476][ T3096]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   90.767479][ T3096]  dev_set_allmulti (net/core/dev_api.c:315)
[   90.767482][ T3096] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   90.767495][ T3096]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   90.767498][ T3096]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.767501][ T3096] br_del_if (net/bridge/br_if.c:732) bridge
[   90.767508][ T3096]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   90.767510][ T3096]  do_set_master (net/core/rtnetlink.c:3055)
[   90.767513][ T3096]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   90.767515][ T3096]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   90.767518][ T3096]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   90.767519][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767521][ T3096]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.767525][ T3096]  ? kasan_save_stack (mm/kasan/common.c:58)
[   90.767528][ T3096]  ? kasan_save_stack (mm/kasan/common.c:57)
[   90.767529][ T3096]  ? kasan_save_track (mm/kasan/common.c:78)
[   90.767531][ T3096]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.767532][ T3096]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   90.767534][ T3096]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   90.767535][ T3096]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.767536][ T3096]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.767538][ T3096]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.767539][ T3096]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.767540][ T3096]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.767542][ T3096]  ? ___sys_sendmsg (net/socket.c:2767)
[   90.767543][ T3096]  ? __sys_sendmsg (net/socket.c:2799)
[   90.767545][ T3096]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.767546][ T3096]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.767548][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767550][ T3096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.767552][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767553][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767555][ T3096]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   90.767557][ T3096]  ? __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)
[   90.767560][ T3096]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   90.767561][ T3096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   90.767563][ T3096]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   90.767564][ T3096]  ? nla_get_range_signed (lib/nlattr.c:270)
[   90.767566][ T3096]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   90.767568][ T3096]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   90.767570][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767572][ T3096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.767573][ T3096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.767575][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767577][ T3096]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   90.767579][ T3096]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   90.767581][ T3096]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.767582][ T3096]  ? __kernel_text_address (kernel/extable.c:79)
[   90.767583][ T3096]  ? write_profile (profile.c:?)
[   90.767585][ T3096]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   90.767587][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767589][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767590][ T3096]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   90.767594][ T3096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.767595][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767597][ T3096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.767598][ T3096]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.767600][ T3096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.767601][ T3096]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.767603][ T3096]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.767605][ T3096]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.767607][ T3096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.767608][ T3096]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.767610][ T3096]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.767611][ T3096]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   90.767614][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767615][ T3096]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.767618][ T3096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.767620][ T3096]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.767622][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767624][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767626][ T3096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.767628][ T3096]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.767630][ T3096]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.767632][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767634][ T3096]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.767636][ T3096]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.767638][ T3096]  ? copy_msghdr_from_user (net/socket.c:2650)
[   90.767640][ T3096]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   90.767642][ T3096]  ? move_addr_to_kernel (net/socket.c:258)
[   90.767643][ T3096]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.767646][ T3096]  ___sys_sendmsg (net/socket.c:2767)
[   90.767648][ T3096]  ? copy_msghdr_from_user (net/socket.c:2619)
[   90.767654][ T3096]  __sys_sendmsg (net/socket.c:2799)
[   90.767656][ T3096]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   90.767659][ T3096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.767662][ T3096]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.767663][ T3096]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.767666][ T3096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.767668][ T3096] RIP: 0033:0x7f20a43ff54e
[   90.767670][ T3096] 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
[   90.767672][ T3096] RSP: 002b:00007ffcb078bdf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.767676][ T3096] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20a43ff54e
[   90.767677][ T3096] RDX: 0000000000000000 RSI: 00007ffcb078bea0 RDI: 0000000000000005
[   90.767678][ T3096] RBP: 00007ffcb078be00 R08: 0000000000000000 R09: 0000000000000000
[   90.767679][ T3096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912a07
[   90.767680][ T3096] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb078c560
| [   93.261599][ T3192] softirqs last disabled at (0): 0x0
| [   93.261601][ T3192] Preemption disabled at:
| [   93.261601][ T3192] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.261613][ T3192] Tainted: [W]=WARN
[   93.261614][ T3192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.261615][ T3192] Call Trace:
[   93.261617][ T3192]  <TASK>
[   93.261618][ T3192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.261624][ T3192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.261626][ T3192]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.261630][ T3192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.261633][ T3192]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   93.261637][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261640][ T3192]  __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))
[   93.261644][ T3192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.261646][ T3192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.261650][ T3192]  ? 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)
[   93.261652][ T3192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.261654][ T3192]  put_chars (drivers/char/virtio_console.c:1176)
[   93.261656][ T3192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.261658][ T3192]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   93.261660][ T3192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.261664][ T3192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.261665][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261667][ T3192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.261669][ T3192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.261672][ T3192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.261674][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261676][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261677][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261679][ T3192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.261681][ T3192]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   93.261683][ T3192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.261685][ T3192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.261688][ T3192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.261690][ T3192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.261692][ T3192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.261693][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261695][ T3192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.261697][ T3192]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   93.261698][ T3192]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   93.261700][ T3192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.261702][ T3192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.261704][ T3192]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.261707][ T3192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.261708][ T3192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.261712][ T3192]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.261715][ T3192]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.261716][ T3192]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.261719][ T3192]  ? ___sys_sendmsg (net/socket.c:2767)
[   93.261720][ T3192]  ? __sys_sendmsg (net/socket.c:2799)
[   93.261722][ T3192]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.261726][ T3192]  _printk (kernel/printk/printk.c:2504)
[   93.261732][ T3192]  ? snapshot_read.cold (user.c:?)
[   93.261734][ T3192]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.261738][ T3192]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.261740][ T3192]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.261742][ T3192]  ? netdev_notice (net/core/dev.c:13194)
[   93.261744][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261746][ T3192]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   93.261747][ T3192]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   93.261750][ T3192]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   93.261751][ T3192]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   93.261754][ T3192]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   93.261757][ T3192]  dev_set_allmulti (net/core/dev_api.c:315)
[   93.261760][ T3192] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   93.261772][ T3192]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.261776][ T3192]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.261779][ T3192] br_del_if (net/bridge/br_if.c:732) bridge
[   93.261787][ T3192]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   93.261789][ T3192]  do_set_master (net/core/rtnetlink.c:3055)
[   93.261792][ T3192]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   93.261794][ T3192]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   93.261797][ T3192]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   93.261798][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261800][ T3192]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.261804][ T3192]  ? kasan_save_stack (mm/kasan/common.c:58)
[   93.261807][ T3192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   93.261808][ T3192]  ? kasan_save_track (mm/kasan/common.c:78)
[   93.261810][ T3192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   93.261812][ T3192]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   93.261813][ T3192]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   93.261814][ T3192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.261816][ T3192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.261817][ T3192]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.261818][ T3192]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.261820][ T3192]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.261821][ T3192]  ? ___sys_sendmsg (net/socket.c:2767)
[   93.261822][ T3192]  ? __sys_sendmsg (net/socket.c:2799)
[   93.261824][ T3192]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.261825][ T3192]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.261828][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261830][ T3192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.261831][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261833][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261835][ T3192]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   93.261837][ T3192]  ? __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)
[   93.261839][ T3192]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   93.261841][ T3192]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   93.261842][ T3192]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   93.261844][ T3192]  ? nla_get_range_signed (lib/nlattr.c:270)
[   93.261846][ T3192]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   93.261848][ T3192]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   93.261850][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261852][ T3192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.261853][ T3192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.261855][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261857][ T3192]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   93.261859][ T3192]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.261860][ T3192]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.261862][ T3192]  ? __kernel_text_address (kernel/extable.c:79)
[   93.261863][ T3192]  ? write_profile (profile.c:?)
[   93.261864][ T3192]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   93.261867][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261869][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261870][ T3192]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   93.261874][ T3192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.261876][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261878][ T3192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.261879][ T3192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.261881][ T3192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.261882][ T3192]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.261884][ T3192]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.261886][ T3192]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.261887][ T3192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.261889][ T3192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.261890][ T3192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.261892][ T3192]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   93.261894][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261896][ T3192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.261898][ T3192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.261900][ T3192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.261902][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261904][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261905][ T3192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.261907][ T3192]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.261909][ T3192]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.261911][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261913][ T3192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.261915][ T3192]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.261917][ T3192]  ? copy_msghdr_from_user (net/socket.c:2650)
[   93.261918][ T3192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   93.261920][ T3192]  ? move_addr_to_kernel (net/socket.c:258)
[   93.261922][ T3192]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.261924][ T3192]  ___sys_sendmsg (net/socket.c:2767)
[   93.261926][ T3192]  ? copy_msghdr_from_user (net/socket.c:2619)
[   93.261931][ T3192]  __sys_sendmsg (net/socket.c:2799)
[   93.261933][ T3192]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   93.261935][ T3192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.261938][ T3192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.261939][ T3192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.261941][ T3192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.261943][ T3192] RIP: 0033:0x7f08fa01354e
[   93.261945][ T3192] 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
[   93.261946][ T3192] RSP: 002b:00007ffe65a17100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.261950][ T3192] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f08fa01354e
[   93.261952][ T3192] RDX: 0000000000000000 RSI: 00007ffe65a171b0 RDI: 0000000000000005
[   93.261953][ T3192] RBP: 00007ffe65a17110 R08: 0000000000000000 R09: 0000000000000000
[   93.261953][ T3192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912a09
[   93.261954][ T3192] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe65a17870
| [   95.901137][ T3303] softirqs last disabled at (0): 0x0
| [   95.901140][ T3303] Preemption disabled at:
| [   95.901141][ T3303] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.901156][ T3303] Tainted: [W]=WARN
[   95.901157][ T3303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.901160][ T3303] Call Trace:
[   95.901162][ T3303]  <TASK>
[   95.901164][ T3303]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.901170][ T3303]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.901173][ T3303]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.901178][ T3303]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.901182][ T3303]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   95.901185][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901190][ T3303]  __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))
[   95.901194][ T3303]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   95.901197][ T3303]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.901202][ T3303]  ? 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)
[   95.901204][ T3303]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.901208][ T3303]  put_chars (drivers/char/virtio_console.c:1176)
[   95.901210][ T3303]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.901213][ T3303]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   95.901217][ T3303]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.901222][ T3303]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.901224][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901227][ T3303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.901230][ T3303]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.901234][ T3303]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.901237][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901239][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901242][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901244][ T3303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.901247][ T3303]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   95.901250][ T3303]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.901253][ T3303]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.901257][ T3303]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.901260][ T3303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.901262][ T3303]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.901265][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901267][ T3303]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.901269][ T3303]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   95.901272][ T3303]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   95.901275][ T3303]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.901278][ T3303]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.901281][ T3303]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.901285][ T3303]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.901287][ T3303]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.901291][ T3303]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.901295][ T3303]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.901297][ T3303]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   95.901300][ T3303]  ? ___sys_sendmsg (net/socket.c:2767)
[   95.901302][ T3303]  ? __sys_sendmsg (net/socket.c:2799)
[   95.901304][ T3303]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.901308][ T3303]  _printk (kernel/printk/printk.c:2504)
[   95.901312][ T3303]  ? snapshot_read.cold (user.c:?)
[   95.901316][ T3303]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   95.901320][ T3303]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   95.901323][ T3303]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   95.901326][ T3303]  ? netdev_notice (net/core/dev.c:13194)
[   95.901329][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901331][ T3303]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   95.901334][ T3303]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   95.901337][ T3303]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   95.901339][ T3303]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   95.901343][ T3303]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   95.901347][ T3303]  dev_set_allmulti (net/core/dev_api.c:315)
[   95.901351][ T3303] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   95.901369][ T3303]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   95.901374][ T3303]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   95.901378][ T3303] br_del_if (net/bridge/br_if.c:732) bridge
[   95.901390][ T3303]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.901393][ T3303]  do_set_master (net/core/rtnetlink.c:3055)
[   95.901397][ T3303]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   95.901401][ T3303]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   95.901405][ T3303]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   95.901407][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901410][ T3303]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   95.901415][ T3303]  ? kasan_save_stack (mm/kasan/common.c:58)
[   95.901419][ T3303]  ? kasan_save_stack (mm/kasan/common.c:57)
[   95.901421][ T3303]  ? kasan_save_track (mm/kasan/common.c:78)
[   95.901423][ T3303]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   95.901425][ T3303]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   95.901428][ T3303]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   95.901430][ T3303]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.901432][ T3303]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.901434][ T3303]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.901436][ T3303]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.901438][ T3303]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   95.901440][ T3303]  ? ___sys_sendmsg (net/socket.c:2767)
[   95.901442][ T3303]  ? __sys_sendmsg (net/socket.c:2799)
[   95.901444][ T3303]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.901446][ T3303]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.901449][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901452][ T3303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.901454][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901456][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901459][ T3303]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   95.901462][ T3303]  ? __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)
[   95.901465][ T3303]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   95.901467][ T3303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   95.901470][ T3303]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   95.901472][ T3303]  ? nla_get_range_signed (lib/nlattr.c:270)
[   95.901475][ T3303]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   95.901479][ T3303]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   95.901482][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901485][ T3303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.901487][ T3303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.901489][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901492][ T3303]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   95.901495][ T3303]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   95.901497][ T3303]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   95.901499][ T3303]  ? __kernel_text_address (kernel/extable.c:79)
[   95.901502][ T3303]  ? write_profile (profile.c:?)
[   95.901504][ T3303]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   95.901507][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901510][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901512][ T3303]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   95.901516][ T3303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.901519][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901521][ T3303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.901524][ T3303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.901526][ T3303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.901528][ T3303]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   95.901531][ T3303]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   95.901535][ T3303]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.901537][ T3303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.901539][ T3303]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.901542][ T3303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.901544][ T3303]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   95.901548][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901550][ T3303]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.901553][ T3303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.901556][ T3303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.901559][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901561][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901564][ T3303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.901567][ T3303]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.901570][ T3303]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   95.901573][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901575][ T3303]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.901579][ T3303]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   95.901581][ T3303]  ? copy_msghdr_from_user (net/socket.c:2650)
[   95.901584][ T3303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   95.901586][ T3303]  ? move_addr_to_kernel (net/socket.c:258)
[   95.901588][ T3303]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   95.901593][ T3303]  ___sys_sendmsg (net/socket.c:2767)
[   95.901595][ T3303]  ? copy_msghdr_from_user (net/socket.c:2619)
[   95.901603][ T3303]  __sys_sendmsg (net/socket.c:2799)
[   95.901606][ T3303]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   95.901610][ T3303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.901613][ T3303]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.901615][ T3303]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   95.901618][ T3303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.901621][ T3303] RIP: 0033:0x7fdbd201754e
[   95.901624][ T3303] 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
[   95.901627][ T3303] RSP: 002b:00007fff10b40060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   95.901631][ T3303] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdbd201754e
[   95.901634][ T3303] RDX: 0000000000000000 RSI: 00007fff10b40110 RDI: 0000000000000005
[   95.901635][ T3303] RBP: 00007fff10b40070 R08: 0000000000000000 R09: 0000000000000000
[   95.901637][ T3303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912a0c
[   95.901638][ T3303] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff10b407d0
| [   98.729961][ T3429] softirqs last disabled at (0): 0x0
| [   98.729962][ T3429] Preemption disabled at:
| [   98.729963][ T3429] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.729974][ T3429] Tainted: [W]=WARN
[   98.729975][ T3429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.729977][ T3429] Call Trace:
[   98.729978][ T3429]  <TASK>
[   98.729980][ T3429]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.729985][ T3429]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.729987][ T3429]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.729991][ T3429]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.729994][ T3429]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   98.729997][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730001][ T3429]  __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))
[   98.730004][ T3429]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   98.730007][ T3429]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.730010][ T3429]  ? 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)
[   98.730012][ T3429]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.730014][ T3429]  put_chars (drivers/char/virtio_console.c:1176)
[   98.730016][ T3429]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.730018][ T3429]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   98.730020][ T3429]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.730024][ T3429]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.730025][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730027][ T3429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.730029][ T3429]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.730032][ T3429]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.730034][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730036][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730037][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730039][ T3429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.730041][ T3429]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   98.730043][ T3429]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.730045][ T3429]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.730048][ T3429]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.730050][ T3429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.730051][ T3429]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.730053][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730054][ T3429]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.730056][ T3429]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   98.730057][ T3429]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   98.730060][ T3429]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.730062][ T3429]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.730064][ T3429]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.730066][ T3429]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.730068][ T3429]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   98.730071][ T3429]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.730074][ T3429]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.730075][ T3429]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   98.730078][ T3429]  ? ___sys_sendmsg (net/socket.c:2767)
[   98.730079][ T3429]  ? __sys_sendmsg (net/socket.c:2799)
[   98.730081][ T3429]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.730084][ T3429]  _printk (kernel/printk/printk.c:2504)
[   98.730088][ T3429]  ? snapshot_read.cold (user.c:?)
[   98.730090][ T3429]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.730093][ T3429]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.730095][ T3429]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.730097][ T3429]  ? netdev_notice (net/core/dev.c:13194)
[   98.730099][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730101][ T3429]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   98.730102][ T3429]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   98.730105][ T3429]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   98.730106][ T3429]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.730109][ T3429]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   98.730112][ T3429]  dev_set_allmulti (net/core/dev_api.c:315)
[   98.730115][ T3429] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   98.730133][ T3429]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   98.730137][ T3429]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   98.730140][ T3429] br_del_if (net/bridge/br_if.c:732) bridge
[   98.730147][ T3429]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.730149][ T3429]  do_set_master (net/core/rtnetlink.c:3055)
[   98.730152][ T3429]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   98.730155][ T3429]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   98.730158][ T3429]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   98.730159][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730161][ T3429]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   98.730165][ T3429]  ? kasan_save_stack (mm/kasan/common.c:58)
[   98.730167][ T3429]  ? kasan_save_stack (mm/kasan/common.c:57)
[   98.730169][ T3429]  ? kasan_save_track (mm/kasan/common.c:78)
[   98.730170][ T3429]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   98.730172][ T3429]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   98.730174][ T3429]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   98.730175][ T3429]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   98.730176][ T3429]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   98.730177][ T3429]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.730179][ T3429]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.730180][ T3429]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   98.730181][ T3429]  ? ___sys_sendmsg (net/socket.c:2767)
[   98.730183][ T3429]  ? __sys_sendmsg (net/socket.c:2799)
[   98.730184][ T3429]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.730185][ T3429]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.730188][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730190][ T3429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.730191][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730193][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730195][ T3429]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   98.730197][ T3429]  ? __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)
[   98.730199][ T3429]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   98.730201][ T3429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   98.730202][ T3429]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   98.730204][ T3429]  ? nla_get_range_signed (lib/nlattr.c:270)
[   98.730206][ T3429]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   98.730208][ T3429]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   98.730210][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730212][ T3429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   98.730213][ T3429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.730215][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730217][ T3429]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   98.730219][ T3429]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   98.730220][ T3429]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   98.730222][ T3429]  ? __kernel_text_address (kernel/extable.c:79)
[   98.730223][ T3429]  ? write_profile (profile.c:?)
[   98.730225][ T3429]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   98.730227][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730229][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730231][ T3429]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   98.730234][ T3429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.730236][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730238][ T3429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   98.730239][ T3429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   98.730241][ T3429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.730242][ T3429]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   98.730244][ T3429]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   98.730246][ T3429]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   98.730248][ T3429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.730249][ T3429]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.730251][ T3429]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.730252][ T3429]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   98.730255][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730257][ T3429]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.730259][ T3429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.730261][ T3429]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.730262][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730264][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730266][ T3429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.730268][ T3429]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.730270][ T3429]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   98.730272][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730274][ T3429]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.730275][ T3429]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   98.730277][ T3429]  ? copy_msghdr_from_user (net/socket.c:2650)
[   98.730279][ T3429]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   98.730280][ T3429]  ? move_addr_to_kernel (net/socket.c:258)
[   98.730282][ T3429]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   98.730284][ T3429]  ___sys_sendmsg (net/socket.c:2767)
[   98.730286][ T3429]  ? copy_msghdr_from_user (net/socket.c:2619)
[   98.730291][ T3429]  __sys_sendmsg (net/socket.c:2799)
[   98.730293][ T3429]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   98.730296][ T3429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.730298][ T3429]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.730299][ T3429]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   98.730302][ T3429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.730303][ T3429] RIP: 0033:0x7fad889b854e
[   98.730305][ T3429] 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
[   98.730307][ T3429] RSP: 002b:00007fffa838ce40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.730311][ T3429] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fad889b854e
[   98.730313][ T3429] RDX: 0000000000000000 RSI: 00007fffa838cef0 RDI: 0000000000000005
[   98.730314][ T3429] RBP: 00007fffa838ce50 R08: 0000000000000000 R09: 0000000000000000
[   98.730314][ T3429] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912a0f
[   98.730315][ T3429] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa838d5b0
| [   99.741946][ T3515] softirqs last disabled at (0): 0x0
| [   99.741948][ T3515] Preemption disabled at:
| [   99.741949][ T3515] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.741960][ T3515] Tainted: [W]=WARN
[   99.741961][ T3515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.741963][ T3515] Call Trace:
[   99.741964][ T3515]  <TASK>
[   99.741965][ T3515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.741971][ T3515]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.741973][ T3515]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.741977][ T3515]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.741980][ T3515]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   99.741983][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.741988][ T3515]  __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))
[   99.741991][ T3515]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   99.741993][ T3515]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.741997][ T3515]  ? 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)
[   99.741999][ T3515]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.742001][ T3515]  put_chars (drivers/char/virtio_console.c:1176)
[   99.742003][ T3515]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.742005][ T3515]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   99.742007][ T3515]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.742011][ T3515]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.742012][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742014][ T3515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.742017][ T3515]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.742019][ T3515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.742021][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742023][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742025][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742026][ T3515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.742028][ T3515]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   99.742030][ T3515]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.742033][ T3515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.742035][ T3515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.742037][ T3515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.742039][ T3515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.742040][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742042][ T3515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.742044][ T3515]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   99.742045][ T3515]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   99.742047][ T3515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.742050][ T3515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.742052][ T3515]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.742054][ T3515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.742056][ T3515]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.742059][ T3515]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.742062][ T3515]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.742064][ T3515]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.742067][ T3515]  ? ___sys_sendmsg (net/socket.c:2767)
[   99.742068][ T3515]  ? __sys_sendmsg (net/socket.c:2799)
[   99.742070][ T3515]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.742073][ T3515]  _printk (kernel/printk/printk.c:2504)
[   99.742076][ T3515]  ? snapshot_read.cold (user.c:?)
[   99.742079][ T3515]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.742082][ T3515]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.742084][ T3515]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.742085][ T3515]  ? netdev_notice (net/core/dev.c:13194)
[   99.742087][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742089][ T3515]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   99.742091][ T3515]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   99.742093][ T3515]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   99.742095][ T3515]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   99.742098][ T3515]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   99.742101][ T3515]  dev_set_allmulti (net/core/dev_api.c:315)
[   99.742104][ T3515] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   99.742117][ T3515]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   99.742120][ T3515]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   99.742123][ T3515] br_del_if (net/bridge/br_if.c:732) bridge
[   99.742136][ T3515]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   99.742139][ T3515]  do_set_master (net/core/rtnetlink.c:3055)
[   99.742141][ T3515]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   99.742144][ T3515]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   99.742147][ T3515]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   99.742148][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742150][ T3515]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.742154][ T3515]  ? kasan_save_stack (mm/kasan/common.c:58)
[   99.742157][ T3515]  ? kasan_save_stack (mm/kasan/common.c:57)
[   99.742158][ T3515]  ? kasan_save_track (mm/kasan/common.c:78)
[   99.742160][ T3515]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.742161][ T3515]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   99.742163][ T3515]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   99.742164][ T3515]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.742165][ T3515]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.742167][ T3515]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.742168][ T3515]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.742169][ T3515]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.742171][ T3515]  ? ___sys_sendmsg (net/socket.c:2767)
[   99.742172][ T3515]  ? __sys_sendmsg (net/socket.c:2799)
[   99.742174][ T3515]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.742175][ T3515]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.742177][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742179][ T3515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.742181][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742183][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742184][ T3515]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   99.742187][ T3515]  ? __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)
[   99.742189][ T3515]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   99.742190][ T3515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.742192][ T3515]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   99.742193][ T3515]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.742196][ T3515]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   99.742198][ T3515]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.742200][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742202][ T3515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.742203][ T3515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.742205][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742207][ T3515]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   99.742208][ T3515]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   99.742210][ T3515]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   99.742212][ T3515]  ? __kernel_text_address (kernel/extable.c:79)
[   99.742213][ T3515]  ? write_profile (profile.c:?)
[   99.742214][ T3515]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.742217][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742219][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742220][ T3515]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   99.742224][ T3515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.742226][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742227][ T3515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.742229][ T3515]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.742231][ T3515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.742232][ T3515]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.742234][ T3515]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.742236][ T3515]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.742238][ T3515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.742239][ T3515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.742241][ T3515]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.742242][ T3515]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   99.742245][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742247][ T3515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.742249][ T3515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.742251][ T3515]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.742252][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742254][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742256][ T3515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.742258][ T3515]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.742260][ T3515]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.742262][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742264][ T3515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.742266][ T3515]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.742268][ T3515]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.742269][ T3515]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   99.742271][ T3515]  ? move_addr_to_kernel (net/socket.c:258)
[   99.742273][ T3515]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.742275][ T3515]  ___sys_sendmsg (net/socket.c:2767)
[   99.742277][ T3515]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.742282][ T3515]  __sys_sendmsg (net/socket.c:2799)
[   99.742284][ T3515]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.742287][ T3515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.742289][ T3515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.742291][ T3515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.742293][ T3515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.742295][ T3515] RIP: 0033:0x7f51d302e54e
[   99.742297][ T3515] 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
[   99.742299][ T3515] RSP: 002b:00007ffd5aa8b110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.742302][ T3515] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f51d302e54e
[   99.742304][ T3515] RDX: 0000000000000000 RSI: 00007ffd5aa8b1c0 RDI: 0000000000000005
[   99.742305][ T3515] RBP: 00007ffd5aa8b120 R08: 0000000000000000 R09: 0000000000000000
[   99.742306][ T3515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912a10


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