======================================
| [   12.028859][  T247] softirqs last disabled at (20581): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.028862][  T247] Preemption disabled at:
| [   12.028863][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.028875][  T247] Tainted: [W]=WARN
[   12.028877][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.028879][  T247] Call Trace:
[   12.028881][  T247]  <TASK>
[   12.028883][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.028891][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.028894][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.028900][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.028906][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.028913][  T247]  __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))
[   12.028917][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.028926][  T247]  ? 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)
[   12.028929][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.028934][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   12.028938][  T247]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.028941][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.028946][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.028951][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.028961][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.028965][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.028967][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.028976][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.028978][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.028984][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.028988][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.028995][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.029002][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.029004][  T247]  ? 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))
[   12.029009][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.029019][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.029026][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.029033][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.029036][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.029045][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.029050][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.029053][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.029056][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.029063][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.029066][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.029071][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.029078][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.029088][  T247]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   12.029092][  T247]  _printk (kernel/printk/printk.c:2504)
[   12.029097][  T247]  ? snapshot_read.cold (user.c:?)
[   12.029109][  T247]  ? 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)
[   12.029114][  T247] gact_init_module (net/sched/act_gact.c:180) act_gact
[   12.029118][  T247]  do_one_initcall (init/main.c:1357)
[   12.029122][  T247]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.029130][  T247]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.029135][  T247]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.029143][  T247]  do_init_module (kernel/module/main.c:3117)
[   12.029149][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.029155][  T247]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.029161][  T247]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.029168][  T247]  load_module (kernel/module/main.c:3593)
[   12.029181][  T247]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.029188][  T247]  ? __ia32_sys_fsconfig (??:?)
[   12.029192][  T247]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.029197][  T247]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.029202][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.029209][  T247]  init_module_from_file (kernel/module/main.c:3790)
[   12.029214][  T247]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.029229][  T247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.029236][  T247]  ? 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)
[   12.029241][  T247]  idempotent_init_module (kernel/module/main.c:3802)
[   12.029247][  T247]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.029259][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.029262][  T247]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.029272][  T247]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.029275][  T247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.029281][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.029284][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.029288][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.029292][  T247] RIP: 0033:0x7fc758dc037d
[   12.029296][  T247] 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
[   12.029299][  T247] RSP: 002b:00007ffd50c7fc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.029303][  T247] RAX: ffffffffffffffda RBX: 000055c812d11810 RCX: 00007fc758dc037d
[   12.029305][  T247] RDX: 0000000000000000 RSI: 000055c8043dbffd RDI: 0000000000000000
[   12.029306][  T247] RBP: 00007ffd50c7fca0 R08: 0000000000000000 R09: 0000000000000000
[   12.029308][  T247] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c8043dbffd
[   12.029309][  T247] R13: 000055c812d11960 R14: 0000000000040000 R15: 0000000000000000
| [   18.763402][  T352] softirqs last disabled at (20882): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.763405][  T352] Preemption disabled at:
| [   18.763406][  T352] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.763419][  T352] Tainted: [W]=WARN
[   18.763420][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.763422][  T352] Call Trace:
[   18.763425][  T352]  <TASK>
[   18.763427][  T352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.763435][  T352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.763438][  T352]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.763445][  T352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.763451][  T352]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.763459][  T352]  __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))
[   18.763463][  T352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.763471][  T352]  ? 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)
[   18.763475][  T352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.763480][  T352]  put_chars (drivers/char/virtio_console.c:1176)
[   18.763483][  T352]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   18.763487][  T352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.763492][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.763498][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.763501][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.763508][  T352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.763512][  T352]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.763515][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.763517][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.763524][  T352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.763528][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.763533][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.763537][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.763544][  T352]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.763551][  T352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.763553][  T352]  ? 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))
[   18.763559][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.763562][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.763569][  T352]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.763576][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.763579][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.763589][  T352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.763593][  T352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.763596][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.763600][  T352]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.763606][  T352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.763609][  T352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.763615][  T352]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.763621][  T352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.763625][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.763630][  T352]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.763636][  T352]  _printk (kernel/printk/printk.c:2504)
[   18.763642][  T352]  ? snapshot_read.cold (user.c:?)
[   18.763648][  T352]  ? br_multicast_flood (??:?) bridge
[   18.763667][  T352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.763669][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.763671][  T352]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.763680][  T352] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.763697][  T352] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   18.763712][  T352] new_nbp (net/bridge/br_if.c:449) bridge
[   18.763729][  T352] br_add_if (net/bridge/br_if.c:592) bridge
[   18.763742][  T352]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.763747][  T352]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   18.763752][  T352]  ? __kernel_text_address (kernel/extable.c:79)
[   18.763759][  T352]  do_set_master (net/core/rtnetlink.c:3071)
[   18.763767][  T352]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.763773][  T352]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.763777][  T352]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.763779][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.763782][  T352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.763787][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.763791][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.763794][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.763799][  T352]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.763802][  T352]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.763805][  T352]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.763810][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.763813][  T352]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.763817][  T352]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.763824][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.763827][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.763832][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.763836][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.763838][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.763841][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.763845][  T352]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.763851][  T352]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   18.763855][  T352]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.763859][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.763865][  T352]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.763868][  T352]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.763877][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.763887][  T352]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.763897][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.763901][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.763909][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.763912][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.763915][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.763918][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.763925][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.763929][  T352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.763934][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.763936][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.763944][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.763947][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.763954][  T352]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.763959][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.763964][  T352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.763976][  T352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.763978][  T352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.763986][  T352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.763993][  T352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.763998][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.764005][  T352]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.764012][  T352]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.764019][  T352]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.764027][  T352]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.764031][  T352]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.764035][  T352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.764037][  T352]  ? move_addr_to_kernel (net/socket.c:258)
[   18.764056][  T352]  ___sys_sendmsg (net/socket.c:2767)
[   18.764061][  T352]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.764092][  T352]  __sys_sendmsg (net/socket.c:2799)
[   18.764097][  T352]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.764108][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.764114][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.764118][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.764123][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.764126][  T352] RIP: 0033:0x7f450320b54e
[   18.764131][  T352] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.764134][  T352] RSP: 002b:00007ffdf85c7c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.764137][  T352] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f450320b54e
[   18.764139][  T352] RDX: 0000000000000000 RSI: 00007ffdf85c7cf0 RDI: 0000000000000005
[   18.764141][  T352] RBP: 00007ffdf85c7c50 R08: 0000000000000000 R09: 0000000000000000
[   18.764142][  T352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917df7
[   18.764144][  T352] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf85c83b0
| [   28.036046][    C2] softirqs last disabled at (1383401): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.036048][    C2] Preemption disabled at:
| [   28.036048][    C2] 0x0
| [   28.036059][    C2] Tainted: [W]=WARN
[   28.036060][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.036061][    C2] Call Trace:
[   28.036063][    C2]  <IRQ>
[   28.036065][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.036070][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.036074][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.036078][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.036081][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036084][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.036088][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.036090][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.036094][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.036096][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.036098][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   28.036100][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.036106][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.036110][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.036113][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.036115][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036117][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.036119][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.036121][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.036123][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036125][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036127][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.036129][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.036131][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.036133][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.036136][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.036138][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.036139][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.036141][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036143][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.036144][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.036146][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.036148][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.036150][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.036152][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.036154][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.036167][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.036168][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.036175][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.036182][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.036186][    C2]  _printk (kernel/printk/printk.c:2504)
[   28.036189][    C2]  ? snapshot_read.cold (user.c:?)
[   28.036191][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.036195][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.036197][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.036199][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.036202][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.036205][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.036207][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.036209][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.036211][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.036213][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.036220][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036222][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.036224][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.036230][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.036232][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.036239][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.036247][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.036254][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   28.036257][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.036259][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.036263][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.036265][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.036266][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036269][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.036271][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.036278][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.036279][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.036282][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.036285][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.036287][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.036288][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.036291][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036293][    C2]  handle_softirqs (kernel/softirq.c:645)
[   28.036295][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.036297][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.036299][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.036300][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   28.036302][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.036305][    C2]  </IRQ>
[   28.036305][    C2]  <TASK>
[   28.036306][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.036308][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.036311][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.036313][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   28.036316][    C2] RAX: 0000000000151be7 RBX: ff11000001bec6c0 RCX: ffffffff8a4f0307
[   28.036318][    C2] RDX: ff11000001bec6c0 RSI: ffffffff8d238af6 RDI: ffffffff8cc8d8e0
[   28.036319][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.036320][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   28.036320][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.036322][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.036325][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.036328][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   28.036329][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.036331][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   28.036332][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.036335][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.036336][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.036338][    C2]  do_idle (kernel/sched/idle.c:355)
[   28.036340][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.036341][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.036343][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.036345][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.100710][    C2]
| [   28.100876][    C2]
| [   28.100876][    C2] stack backtrace:
| [   28.101050][    C2] Tainted: [W]=WARN
[   28.101051][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.101052][    C2] Call Trace:
[   28.101054][    C2]  <IRQ>
[   28.101055][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.101059][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.101062][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.101065][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.101067][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.101069][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.101071][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.101073][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.101080][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101083][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.101085][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.101091][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.101093][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.101099][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.101112][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.101118][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   28.101120][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.101122][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.101126][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.101127][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.101129][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101132][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.101133][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.101140][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.101142][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.101145][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.101148][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.101150][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.101151][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.101154][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101156][    C2]  handle_softirqs (kernel/softirq.c:645)
[   28.101157][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.101159][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.101161][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.101163][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   28.101164][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.101166][    C2]  </IRQ>
[   28.101167][    C2]  <TASK>
[   28.101167][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.101169][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.101171][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.101173][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   28.101175][    C2] RAX: 0000000000151be7 RBX: ff11000001bec6c0 RCX: ffffffff8a4f0307
[   28.101176][    C2] RDX: ff11000001bec6c0 RSI: ffffffff8d238af6 RDI: ffffffff8cc8d8e0
[   28.101177][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.101178][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   28.101179][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.101180][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.101183][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.101184][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   28.101186][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.101188][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   28.101189][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.101191][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.101192][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101194][    C2]  do_idle (kernel/sched/idle.c:355)
[   28.101196][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.101197][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.101199][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.101201][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   35.316897][ T2390] softirqs last disabled at (0): 0x0
| [   35.316899][ T2390] Preemption disabled at:
| [   35.316900][ T2390] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.316912][ T2390] Tainted: [W]=WARN
[   35.316913][ T2390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.316915][ T2390] Call Trace:
[   35.316916][ T2390]  <TASK>
[   35.316918][ T2390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.316923][ T2390]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.316926][ T2390]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.316930][ T2390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.316933][ T2390]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   35.316936][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.316941][ T2390]  __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))
[   35.316944][ T2390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.316946][ T2390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.316950][ T2390]  ? 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)
[   35.316952][ T2390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.316957][ T2390]  put_chars (drivers/char/virtio_console.c:1176)
[   35.316960][ T2390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.316961][ T2390]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   35.316964][ T2390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.316968][ T2390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.316969][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.316971][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.316973][ T2390]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.316976][ T2390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.316978][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.316980][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.316981][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.316983][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.316985][ T2390]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   35.316987][ T2390]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.316989][ T2390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.316992][ T2390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.316994][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.316996][ T2390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.316997][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.316999][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.317001][ T2390]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.317002][ T2390]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   35.317004][ T2390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.317006][ T2390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.317008][ T2390]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.317011][ T2390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.317013][ T2390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.317016][ T2390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.317019][ T2390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.317020][ T2390]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.317023][ T2390]  ? ___sys_sendmsg (net/socket.c:2767)
[   35.317025][ T2390]  ? __sys_sendmsg (net/socket.c:2799)
[   35.317027][ T2390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.317030][ T2390]  _printk (kernel/printk/printk.c:2504)
[   35.317034][ T2390]  ? snapshot_read.cold (user.c:?)
[   35.317036][ T2390]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.317039][ T2390]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.317041][ T2390]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.317042][ T2390]  ? netdev_notice (net/core/dev.c:13194)
[   35.317044][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317046][ T2390]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   35.317048][ T2390]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   35.317050][ T2390]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   35.317052][ T2390]  ? 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)
[   35.317055][ T2390]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   35.317058][ T2390]  dev_set_allmulti (net/core/dev_api.c:315)
[   35.317061][ T2390] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   35.317074][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   35.317078][ T2390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.317081][ T2390] br_del_if (net/bridge/br_if.c:732) bridge
[   35.317088][ T2390]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.317091][ T2390]  do_set_master (net/core/rtnetlink.c:3055)
[   35.317094][ T2390]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   35.317096][ T2390]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.317098][ T2390]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.317100][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317101][ T2390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.317106][ T2390]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.317108][ T2390]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.317110][ T2390]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.317111][ T2390]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.317113][ T2390]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   35.317114][ T2390]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   35.317116][ T2390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.317117][ T2390]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.317118][ T2390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.317120][ T2390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.317121][ T2390]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.317122][ T2390]  ? ___sys_sendmsg (net/socket.c:2767)
[   35.317124][ T2390]  ? __sys_sendmsg (net/socket.c:2799)
[   35.317125][ T2390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.317127][ T2390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.317129][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317131][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.317133][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317134][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317136][ T2390]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.317138][ T2390]  ? __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)
[   35.317141][ T2390]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.317147][ T2390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.317148][ T2390]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.317150][ T2390]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.317152][ T2390]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.317154][ T2390]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.317156][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317158][ T2390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.317160][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.317161][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317163][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   35.317165][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   35.317167][ T2390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.317168][ T2390]  ? __kernel_text_address (kernel/extable.c:79)
[   35.317170][ T2390]  ? write_profile (profile.c:?)
[   35.317171][ T2390]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.317174][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317176][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317177][ T2390]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.317181][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.317183][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317185][ T2390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.317186][ T2390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.317188][ T2390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.317189][ T2390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.317191][ T2390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.317193][ T2390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.317195][ T2390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.317196][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.317198][ T2390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.317199][ T2390]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   35.317202][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317204][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.317206][ T2390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.317208][ T2390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.317210][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317211][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317213][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.317215][ T2390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.317217][ T2390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.317219][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317221][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.317223][ T2390]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.317225][ T2390]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.317226][ T2390]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.317228][ T2390]  ? move_addr_to_kernel (net/socket.c:258)
[   35.317230][ T2390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.317232][ T2390]  ___sys_sendmsg (net/socket.c:2767)
[   35.317234][ T2390]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.317239][ T2390]  __sys_sendmsg (net/socket.c:2799)
[   35.317241][ T2390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.317244][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.317246][ T2390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.317248][ T2390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.317250][ T2390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.317251][ T2390] RIP: 0033:0x7fee3e4a354e
[   35.317253][ T2390] 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
[   35.317255][ T2390] RSP: 002b:00007fffa7fb37c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.317259][ T2390] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fee3e4a354e
[   35.317260][ T2390] RDX: 0000000000000000 RSI: 00007fffa7fb3870 RDI: 0000000000000005
[   35.317261][ T2390] RBP: 00007fffa7fb37d0 R08: 0000000000000000 R09: 0000000000000000
[   35.317262][ T2390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917e07
[   35.317263][ T2390] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa7fb3f30
| [   48.898660][ T4445] softirqs last disabled at (0): 0x0
| [   48.898662][ T4445] Preemption disabled at:
| [   48.898663][ T4445] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.898675][ T4445] Tainted: [W]=WARN
[   48.898676][ T4445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.898678][ T4445] Call Trace:
[   48.898679][ T4445]  <TASK>
[   48.898681][ T4445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.898686][ T4445]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.898689][ T4445]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.898692][ T4445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.898696][ T4445]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   48.898699][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898703][ T4445]  __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))
[   48.898705][ T4445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   48.898708][ T4445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.898712][ T4445]  ? 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)
[   48.898714][ T4445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.898716][ T4445]  put_chars (drivers/char/virtio_console.c:1176)
[   48.898718][ T4445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.898720][ T4445]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   48.898722][ T4445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.898726][ T4445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.898727][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898729][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.898731][ T4445]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.898734][ T4445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.898736][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898738][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898739][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898741][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.898743][ T4445]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   48.898745][ T4445]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.898747][ T4445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.898750][ T4445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.898752][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.898753][ T4445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.898755][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898757][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.898758][ T4445]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.898759][ T4445]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   48.898762][ T4445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.898764][ T4445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.898766][ T4445]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.898768][ T4445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.898770][ T4445]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.898773][ T4445]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.898776][ T4445]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.898777][ T4445]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.898780][ T4445]  ? ___sys_sendmsg (net/socket.c:2767)
[   48.898781][ T4445]  ? __sys_sendmsg (net/socket.c:2799)
[   48.898783][ T4445]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.898786][ T4445]  _printk (kernel/printk/printk.c:2504)
[   48.898789][ T4445]  ? snapshot_read.cold (user.c:?)
[   48.898792][ T4445]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.898795][ T4445]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.898796][ T4445]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.898798][ T4445]  ? netdev_notice (net/core/dev.c:13194)
[   48.898800][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898802][ T4445]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   48.898804][ T4445]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   48.898806][ T4445]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   48.898808][ T4445]  ? 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)
[   48.898811][ T4445]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   48.898814][ T4445]  dev_set_allmulti (net/core/dev_api.c:315)
[   48.898817][ T4445] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   48.898830][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   48.898833][ T4445]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   48.898836][ T4445] br_del_if (net/bridge/br_if.c:732) bridge
[   48.898844][ T4445]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.898846][ T4445]  do_set_master (net/core/rtnetlink.c:3055)
[   48.898849][ T4445]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   48.898851][ T4445]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.898854][ T4445]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.898855][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898857][ T4445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   48.898861][ T4445]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.898863][ T4445]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.898865][ T4445]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.898866][ T4445]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.898868][ T4445]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   48.898870][ T4445]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   48.898871][ T4445]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.898872][ T4445]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.898873][ T4445]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.898875][ T4445]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.898876][ T4445]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.898877][ T4445]  ? ___sys_sendmsg (net/socket.c:2767)
[   48.898879][ T4445]  ? __sys_sendmsg (net/socket.c:2799)
[   48.898880][ T4445]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.898881][ T4445]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.898884][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898886][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.898887][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898889][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898891][ T4445]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.898893][ T4445]  ? __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)
[   48.898895][ T4445]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.898897][ T4445]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.898898][ T4445]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.898900][ T4445]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.898902][ T4445]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.898904][ T4445]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.898906][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898908][ T4445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.898909][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.898911][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898913][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   48.898915][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   48.898917][ T4445]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   48.898918][ T4445]  ? __kernel_text_address (kernel/extable.c:79)
[   48.898919][ T4445]  ? write_profile (profile.c:?)
[   48.898921][ T4445]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   48.898923][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898925][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898927][ T4445]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   48.898930][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.898932][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898934][ T4445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.898935][ T4445]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.898937][ T4445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.898939][ T4445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   48.898940][ T4445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   48.898943][ T4445]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.898944][ T4445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.898945][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.898947][ T4445]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.898948][ T4445]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   48.898951][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898953][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.898957][ T4445]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.898960][ T4445]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.898961][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898963][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898965][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.898967][ T4445]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.898969][ T4445]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.898971][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898973][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.898975][ T4445]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.898976][ T4445]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.898978][ T4445]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.898979][ T4445]  ? move_addr_to_kernel (net/socket.c:258)
[   48.898981][ T4445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   48.898984][ T4445]  ___sys_sendmsg (net/socket.c:2767)
[   48.898985][ T4445]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.898991][ T4445]  __sys_sendmsg (net/socket.c:2799)
[   48.898993][ T4445]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.898995][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.898998][ T4445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.898999][ T4445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.899001][ T4445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.899002][ T4445] RIP: 0033:0x7efd57ace54e
[   48.899004][ T4445] 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
[   48.899007][ T4445] RSP: 002b:00007ffedc607ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.899010][ T4445] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efd57ace54e
[   48.899012][ T4445] RDX: 0000000000000000 RSI: 00007ffedc607b60 RDI: 0000000000000005
[   48.899013][ T4445] RBP: 00007ffedc607ac0 R08: 0000000000000000 R09: 0000000000000000
[   48.899014][ T4445] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917e15
[   48.899015][ T4445] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedc608220
| [   62.533889][ T6510] softirqs last disabled at (0): 0x0
| [   62.533892][ T6510] Preemption disabled at:
| [   62.533893][ T6510] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.533907][ T6510] Tainted: [W]=WARN
[   62.533908][ T6510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.533910][ T6510] Call Trace:
[   62.533912][ T6510]  <TASK>
[   62.533914][ T6510]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.533921][ T6510]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.533923][ T6510]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.533928][ T6510]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.533932][ T6510]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   62.533936][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.533941][ T6510]  __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))
[   62.533945][ T6510]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.533948][ T6510]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.533953][ T6510]  ? 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)
[   62.533959][ T6510]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.533961][ T6510]  put_chars (drivers/char/virtio_console.c:1176)
[   62.533964][ T6510]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.533967][ T6510]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   62.533971][ T6510]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.533976][ T6510]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.533978][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.533980][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.533984][ T6510]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.533987][ T6510]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.533990][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.533993][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.533995][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.533997][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.534000][ T6510]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   62.534003][ T6510]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.534006][ T6510]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.534010][ T6510]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.534013][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.534015][ T6510]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.534017][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534020][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.534022][ T6510]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.534024][ T6510]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   62.534027][ T6510]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.534030][ T6510]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.534033][ T6510]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.534036][ T6510]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.534039][ T6510]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.534042][ T6510]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.534046][ T6510]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.534048][ T6510]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.534051][ T6510]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.534053][ T6510]  ? __sys_sendmsg (net/socket.c:2799)
[   62.534055][ T6510]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.534060][ T6510]  _printk (kernel/printk/printk.c:2504)
[   62.534064][ T6510]  ? snapshot_read.cold (user.c:?)
[   62.534067][ T6510]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   62.534071][ T6510]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   62.534074][ T6510]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   62.534076][ T6510]  ? netdev_notice (net/core/dev.c:13194)
[   62.534079][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534082][ T6510]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   62.534084][ T6510]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   62.534088][ T6510]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   62.534090][ T6510]  ? 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)
[   62.534093][ T6510]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   62.534097][ T6510]  dev_set_allmulti (net/core/dev_api.c:315)
[   62.534101][ T6510] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   62.534119][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.534123][ T6510]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.534127][ T6510] br_del_if (net/bridge/br_if.c:732) bridge
[   62.534139][ T6510]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.534143][ T6510]  do_set_master (net/core/rtnetlink.c:3055)
[   62.534146][ T6510]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   62.534150][ T6510]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.534153][ T6510]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.534155][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534157][ T6510]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.534163][ T6510]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.534166][ T6510]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.534168][ T6510]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.534170][ T6510]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.534173][ T6510]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   62.534175][ T6510]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   62.534177][ T6510]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.534178][ T6510]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.534180][ T6510]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.534182][ T6510]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.534184][ T6510]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.534186][ T6510]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.534188][ T6510]  ? __sys_sendmsg (net/socket.c:2799)
[   62.534191][ T6510]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.534192][ T6510]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.534196][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534199][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.534201][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534203][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534206][ T6510]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.534209][ T6510]  ? __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)
[   62.534212][ T6510]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.534214][ T6510]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.534216][ T6510]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.534218][ T6510]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.534222][ T6510]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.534226][ T6510]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.534229][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534232][ T6510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.534233][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.534236][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534239][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   62.534241][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.534244][ T6510]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.534246][ T6510]  ? __kernel_text_address (kernel/extable.c:79)
[   62.534248][ T6510]  ? write_profile (profile.c:?)
[   62.534250][ T6510]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.534253][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534255][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534258][ T6510]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   62.534262][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.534264][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534267][ T6510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.534269][ T6510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.534271][ T6510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.534273][ T6510]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.534276][ T6510]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.534280][ T6510]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.534282][ T6510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.534284][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.534287][ T6510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.534289][ T6510]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   62.534293][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534302][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.534305][ T6510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.534308][ T6510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.534310][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534313][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534315][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.534318][ T6510]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.534322][ T6510]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.534325][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534327][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.534330][ T6510]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.534332][ T6510]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.534335][ T6510]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.534337][ T6510]  ? move_addr_to_kernel (net/socket.c:258)
[   62.534339][ T6510]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.534344][ T6510]  ___sys_sendmsg (net/socket.c:2767)
[   62.534346][ T6510]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.534354][ T6510]  __sys_sendmsg (net/socket.c:2799)
[   62.534357][ T6510]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.534361][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.534365][ T6510]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.534367][ T6510]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.534369][ T6510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.534372][ T6510] RIP: 0033:0x7f7e49f7454e
[   62.534374][ T6510] 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
[   62.534377][ T6510] RSP: 002b:00007ffc4fcf13c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.534381][ T6510] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7e49f7454e
[   62.534383][ T6510] RDX: 0000000000000000 RSI: 00007ffc4fcf1470 RDI: 0000000000000005
[   62.534385][ T6510] RBP: 00007ffc4fcf13d0 R08: 0000000000000000 R09: 0000000000000000
[   62.534386][ T6510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917e22
[   62.534387][ T6510] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4fcf1b30
| [   76.408728][ T8575] softirqs last disabled at (0): 0x0
| [   76.408730][ T8575] Preemption disabled at:
| [   76.408731][ T8575] vprintk_emit (kernel/printk/printk.c:2471)
| [   76.408743][ T8575] Tainted: [W]=WARN
[   76.408744][ T8575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.408746][ T8575] Call Trace:
[   76.408748][ T8575]  <TASK>
[   76.408749][ T8575]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.408754][ T8575]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   76.408757][ T8575]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.408761][ T8575]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.408764][ T8575]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   76.408767][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408771][ T8575]  __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))
[   76.408775][ T8575]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.408777][ T8575]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.408782][ T8575]  ? 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)
[   76.408783][ T8575]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.408785][ T8575]  put_chars (drivers/char/virtio_console.c:1176)
[   76.408788][ T8575]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.408789][ T8575]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   76.408792][ T8575]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.408795][ T8575]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.408797][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408799][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.408801][ T8575]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.408803][ T8575]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.408806][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408807][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408809][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408811][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.408813][ T8575]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   76.408814][ T8575]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.408817][ T8575]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.408819][ T8575]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.408821][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.408823][ T8575]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.408824][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408826][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.408828][ T8575]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   76.408829][ T8575]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   76.408831][ T8575]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.408833][ T8575]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.408835][ T8575]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.408838][ T8575]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.408839][ T8575]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   76.408842][ T8575]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.408845][ T8575]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.408847][ T8575]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   76.408849][ T8575]  ? ___sys_sendmsg (net/socket.c:2767)
[   76.408851][ T8575]  ? __sys_sendmsg (net/socket.c:2799)
[   76.408853][ T8575]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.408856][ T8575]  _printk (kernel/printk/printk.c:2504)
[   76.408860][ T8575]  ? snapshot_read.cold (user.c:?)
[   76.408862][ T8575]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   76.408865][ T8575]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   76.408866][ T8575]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   76.408868][ T8575]  ? netdev_notice (net/core/dev.c:13194)
[   76.408870][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408872][ T8575]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   76.408874][ T8575]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   76.408876][ T8575]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   76.408878][ T8575]  ? 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)
[   76.408881][ T8575]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   76.408884][ T8575]  dev_set_allmulti (net/core/dev_api.c:315)
[   76.408886][ T8575] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   76.408899][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   76.408903][ T8575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   76.408906][ T8575] br_del_if (net/bridge/br_if.c:732) bridge
[   76.408913][ T8575]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.408916][ T8575]  do_set_master (net/core/rtnetlink.c:3055)
[   76.408918][ T8575]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   76.408921][ T8575]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   76.408923][ T8575]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   76.408925][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408926][ T8575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   76.408930][ T8575]  ? kasan_save_stack (mm/kasan/common.c:58)
[   76.408933][ T8575]  ? kasan_save_stack (mm/kasan/common.c:57)
[   76.408934][ T8575]  ? kasan_save_track (mm/kasan/common.c:78)
[   76.408936][ T8575]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   76.408937][ T8575]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   76.408939][ T8575]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   76.408940][ T8575]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   76.408941][ T8575]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   76.408943][ T8575]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.408944][ T8575]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.408946][ T8575]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   76.408947][ T8575]  ? ___sys_sendmsg (net/socket.c:2767)
[   76.408948][ T8575]  ? __sys_sendmsg (net/socket.c:2799)
[   76.408950][ T8575]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.408951][ T8575]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.408954][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408958][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.408959][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408961][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408963][ T8575]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   76.408965][ T8575]  ? __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)
[   76.408968][ T8575]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   76.408969][ T8575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   76.408971][ T8575]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   76.408972][ T8575]  ? nla_get_range_signed (lib/nlattr.c:270)
[   76.408974][ T8575]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   76.408977][ T8575]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   76.408979][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408980][ T8575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.408982][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.408983][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408985][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   76.408987][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   76.408989][ T8575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   76.408990][ T8575]  ? __kernel_text_address (kernel/extable.c:79)
[   76.408991][ T8575]  ? write_profile (profile.c:?)
[   76.408993][ T8575]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   76.408995][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408997][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.408999][ T8575]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   76.409002][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.409004][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.409006][ T8575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.409007][ T8575]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   76.409009][ T8575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.409010][ T8575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   76.409012][ T8575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   76.409014][ T8575]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   76.409016][ T8575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.409017][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.409019][ T8575]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   76.409020][ T8575]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   76.409023][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.409025][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.409027][ T8575]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.409029][ T8575]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   76.409031][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.409032][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.409034][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.409036][ T8575]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.409038][ T8575]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   76.409040][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.409042][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.409044][ T8575]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   76.409045][ T8575]  ? copy_msghdr_from_user (net/socket.c:2650)
[   76.409047][ T8575]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   76.409049][ T8575]  ? move_addr_to_kernel (net/socket.c:258)
[   76.409050][ T8575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   76.409053][ T8575]  ___sys_sendmsg (net/socket.c:2767)
[   76.409055][ T8575]  ? copy_msghdr_from_user (net/socket.c:2619)
[   76.409060][ T8575]  __sys_sendmsg (net/socket.c:2799)
[   76.409062][ T8575]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   76.409065][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.409067][ T8575]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.409068][ T8575]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   76.409070][ T8575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.409072][ T8575] RIP: 0033:0x7f8e45cc754e
[   76.409074][ T8575] 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
[   76.409075][ T8575] RSP: 002b:00007ffe9d2851d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   76.409079][ T8575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8e45cc754e
[   76.409081][ T8575] RDX: 0000000000000000 RSI: 00007ffe9d285280 RDI: 0000000000000005
[   76.409082][ T8575] RBP: 00007ffe9d2851e0 R08: 0000000000000000 R09: 0000000000000000
[   76.409083][ T8575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917e30
[   76.409084][ T8575] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9d285940
| [   90.625333][T10640] softirqs last disabled at (0): 0x0
| [   90.625335][T10640] Preemption disabled at:
| [   90.625336][T10640] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.625347][T10640] Tainted: [W]=WARN
[   90.625348][T10640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.625350][T10640] Call Trace:
[   90.625351][T10640]  <TASK>
[   90.625352][T10640]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.625358][T10640]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.625360][T10640]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.625364][T10640]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.625367][T10640]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   90.625371][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625375][T10640]  __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))
[   90.625377][T10640]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   90.625380][T10640]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.625384][T10640]  ? 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)
[   90.625386][T10640]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.625388][T10640]  put_chars (drivers/char/virtio_console.c:1176)
[   90.625390][T10640]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.625392][T10640]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   90.625394][T10640]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.625398][T10640]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.625399][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625401][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.625403][T10640]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.625406][T10640]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.625408][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625410][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625411][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625413][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.625415][T10640]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   90.625417][T10640]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.625419][T10640]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.625422][T10640]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.625424][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.625426][T10640]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.625427][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625429][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.625431][T10640]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   90.625432][T10640]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   90.625434][T10640]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.625437][T10640]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.625439][T10640]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.625441][T10640]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.625443][T10640]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.625446][T10640]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.625449][T10640]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.625450][T10640]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.625453][T10640]  ? ___sys_sendmsg (net/socket.c:2767)
[   90.625460][T10640]  ? __sys_sendmsg (net/socket.c:2799)
[   90.625462][T10640]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.625465][T10640]  _printk (kernel/printk/printk.c:2504)
[   90.625468][T10640]  ? snapshot_read.cold (user.c:?)
[   90.625471][T10640]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   90.625474][T10640]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   90.625475][T10640]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   90.625477][T10640]  ? netdev_notice (net/core/dev.c:13194)
[   90.625479][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625481][T10640]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   90.625483][T10640]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   90.625485][T10640]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   90.625487][T10640]  ? 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)
[   90.625490][T10640]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   90.625493][T10640]  dev_set_allmulti (net/core/dev_api.c:315)
[   90.625495][T10640] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   90.625508][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   90.625512][T10640]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.625515][T10640] br_del_if (net/bridge/br_if.c:732) bridge
[   90.625522][T10640]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   90.625525][T10640]  do_set_master (net/core/rtnetlink.c:3055)
[   90.625527][T10640]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   90.625530][T10640]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   90.625532][T10640]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   90.625534][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625535][T10640]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.625539][T10640]  ? kasan_save_stack (mm/kasan/common.c:58)
[   90.625542][T10640]  ? kasan_save_stack (mm/kasan/common.c:57)
[   90.625543][T10640]  ? kasan_save_track (mm/kasan/common.c:78)
[   90.625545][T10640]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.625547][T10640]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   90.625548][T10640]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   90.625549][T10640]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.625550][T10640]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.625552][T10640]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.625553][T10640]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.625554][T10640]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.625556][T10640]  ? ___sys_sendmsg (net/socket.c:2767)
[   90.625557][T10640]  ? __sys_sendmsg (net/socket.c:2799)
[   90.625559][T10640]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.625560][T10640]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.625563][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625565][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.625566][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625568][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625570][T10640]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   90.625572][T10640]  ? __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)
[   90.625574][T10640]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   90.625576][T10640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   90.625577][T10640]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   90.625579][T10640]  ? nla_get_range_signed (lib/nlattr.c:270)
[   90.625581][T10640]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   90.625583][T10640]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   90.625585][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625587][T10640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.625588][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.625590][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625592][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   90.625594][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   90.625596][T10640]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.625597][T10640]  ? __kernel_text_address (kernel/extable.c:79)
[   90.625598][T10640]  ? write_profile (profile.c:?)
[   90.625599][T10640]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   90.625602][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625604][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625606][T10640]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   90.625609][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.625611][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625613][T10640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.625614][T10640]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.625616][T10640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.625617][T10640]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.625619][T10640]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.625621][T10640]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.625623][T10640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.625624][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.625626][T10640]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.625627][T10640]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   90.625630][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625632][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.625634][T10640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.625636][T10640]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.625637][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625639][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625641][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.625643][T10640]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.625645][T10640]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.625647][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625649][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.625651][T10640]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.625653][T10640]  ? copy_msghdr_from_user (net/socket.c:2650)
[   90.625654][T10640]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   90.625656][T10640]  ? move_addr_to_kernel (net/socket.c:258)
[   90.625657][T10640]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.625660][T10640]  ___sys_sendmsg (net/socket.c:2767)
[   90.625662][T10640]  ? copy_msghdr_from_user (net/socket.c:2619)
[   90.625667][T10640]  __sys_sendmsg (net/socket.c:2799)
[   90.625669][T10640]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   90.625672][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.625674][T10640]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.625675][T10640]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.625677][T10640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.625679][T10640] RIP: 0033:0x7f6bb80ed54e
[   90.625681][T10640] 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
[   90.625683][T10640] RSP: 002b:00007fff5ee16f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.625686][T10640] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6bb80ed54e
[   90.625688][T10640] RDX: 0000000000000000 RSI: 00007fff5ee16fb0 RDI: 0000000000000005
[   90.625689][T10640] RBP: 00007fff5ee16f10 R08: 0000000000000000 R09: 0000000000000000
[   90.625690][T10640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917e3e
[   90.625691][T10640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5ee17670
| [  104.223714][T12705] softirqs last disabled at (0): 0x0
| [  104.223717][T12705] Preemption disabled at:
| [  104.223718][T12705] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.223732][T12705] Tainted: [W]=WARN
[  104.223734][T12705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.223736][T12705] Call Trace:
[  104.223738][T12705]  <TASK>
[  104.223739][T12705]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.223745][T12705]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.223748][T12705]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.223753][T12705]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.223757][T12705]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  104.223761][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223766][T12705]  __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))
[  104.223769][T12705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  104.223773][T12705]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.223777][T12705]  ? 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)
[  104.223780][T12705]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.223783][T12705]  put_chars (drivers/char/virtio_console.c:1176)
[  104.223785][T12705]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.223788][T12705]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  104.223791][T12705]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.223796][T12705]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.223798][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223801][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.223804][T12705]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.223808][T12705]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.223810][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223813][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223815][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223818][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.223821][T12705]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  104.223823][T12705]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.223827][T12705]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.223831][T12705]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.223833][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.223836][T12705]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.223838][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223840][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.223843][T12705]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  104.223845][T12705]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  104.223848][T12705]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.223851][T12705]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.223854][T12705]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.223857][T12705]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.223860][T12705]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.223863][T12705]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.223866][T12705]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.223868][T12705]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  104.223871][T12705]  ? ___sys_sendmsg (net/socket.c:2767)
[  104.223872][T12705]  ? __sys_sendmsg (net/socket.c:2799)
[  104.223874][T12705]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.223877][T12705]  _printk (kernel/printk/printk.c:2504)
[  104.223881][T12705]  ? snapshot_read.cold (user.c:?)
[  104.223883][T12705]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  104.223886][T12705]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  104.223888][T12705]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  104.223890][T12705]  ? netdev_notice (net/core/dev.c:13194)
[  104.223891][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223893][T12705]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  104.223895][T12705]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  104.223897][T12705]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  104.223899][T12705]  ? 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)
[  104.223902][T12705]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  104.223905][T12705]  dev_set_allmulti (net/core/dev_api.c:315)
[  104.223908][T12705] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  104.223920][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  104.223924][T12705]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  104.223927][T12705] br_del_if (net/bridge/br_if.c:732) bridge
[  104.223934][T12705]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.223936][T12705]  do_set_master (net/core/rtnetlink.c:3055)
[  104.223939][T12705]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  104.223941][T12705]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  104.223944][T12705]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  104.223946][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223947][T12705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  104.223951][T12705]  ? kasan_save_stack (mm/kasan/common.c:58)
[  104.223954][T12705]  ? kasan_save_stack (mm/kasan/common.c:57)
[  104.223958][T12705]  ? kasan_save_track (mm/kasan/common.c:78)
[  104.223960][T12705]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  104.223961][T12705]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  104.223963][T12705]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  104.223964][T12705]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.223965][T12705]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.223967][T12705]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.223968][T12705]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.223969][T12705]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  104.223971][T12705]  ? ___sys_sendmsg (net/socket.c:2767)
[  104.223972][T12705]  ? __sys_sendmsg (net/socket.c:2799)
[  104.223973][T12705]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.223975][T12705]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.223977][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223979][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.223981][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223982][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.223984][T12705]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  104.223986][T12705]  ? __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)
[  104.223989][T12705]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  104.223990][T12705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  104.223992][T12705]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  104.223993][T12705]  ? nla_get_range_signed (lib/nlattr.c:270)
[  104.223996][T12705]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  104.223998][T12705]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.224000][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224002][T12705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.224003][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.224004][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224007][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  104.224008][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  104.224010][T12705]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  104.224011][T12705]  ? __kernel_text_address (kernel/extable.c:79)
[  104.224013][T12705]  ? write_profile (profile.c:?)
[  104.224014][T12705]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  104.224016][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224018][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224020][T12705]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  104.224023][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.224025][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224027][T12705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.224028][T12705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.224030][T12705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.224031][T12705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  104.224033][T12705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  104.224035][T12705]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.224037][T12705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.224038][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.224039][T12705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.224041][T12705]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  104.224043][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224045][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.224047][T12705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.224049][T12705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.224051][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224052][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224054][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.224056][T12705]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.224058][T12705]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.224060][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224062][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.224064][T12705]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  104.224065][T12705]  ? copy_msghdr_from_user (net/socket.c:2650)
[  104.224067][T12705]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  104.224069][T12705]  ? move_addr_to_kernel (net/socket.c:258)
[  104.224070][T12705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  104.224073][T12705]  ___sys_sendmsg (net/socket.c:2767)
[  104.224074][T12705]  ? copy_msghdr_from_user (net/socket.c:2619)
[  104.224079][T12705]  __sys_sendmsg (net/socket.c:2799)
[  104.224081][T12705]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  104.224084][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.224086][T12705]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.224087][T12705]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  104.224090][T12705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.224091][T12705] RIP: 0033:0x7f3e703ef54e
[  104.224093][T12705] 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
[  104.224095][T12705] RSP: 002b:00007ffd8e0092a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  104.224099][T12705] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e703ef54e
[  104.224100][T12705] RDX: 0000000000000000 RSI: 00007ffd8e009350 RDI: 0000000000000005
[  104.224101][T12705] RBP: 00007ffd8e0092b0 R08: 0000000000000000 R09: 0000000000000000
[  104.224102][T12705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917e4c
[  104.224103][T12705] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8e009a10
| [  118.519830][T14770] softirqs last disabled at (0): 0x0
| [  118.519831][T14770] Preemption disabled at:
| [  118.519832][T14770] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.519844][T14770] Tainted: [W]=WARN
[  118.519845][T14770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.519847][T14770] Call Trace:
[  118.519849][T14770]  <TASK>
[  118.519850][T14770]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.519856][T14770]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.519858][T14770]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.519862][T14770]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.519865][T14770]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  118.519868][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.519872][T14770]  __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))
[  118.519875][T14770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.519878][T14770]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.519882][T14770]  ? 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)
[  118.519884][T14770]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.519886][T14770]  put_chars (drivers/char/virtio_console.c:1176)
[  118.519888][T14770]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.519890][T14770]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  118.519892][T14770]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.519896][T14770]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.519897][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.519899][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.519901][T14770]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.519904][T14770]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.519906][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.519908][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.519909][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.519911][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.519913][T14770]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  118.519915][T14770]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.519917][T14770]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.519920][T14770]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.519922][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.519924][T14770]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.519925][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.519927][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.519929][T14770]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  118.519930][T14770]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  118.519932][T14770]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.519934][T14770]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.519936][T14770]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.519939][T14770]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.519941][T14770]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.519944][T14770]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.519947][T14770]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.519948][T14770]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.519951][T14770]  ? ___sys_sendmsg (net/socket.c:2767)
[  118.519952][T14770]  ? __sys_sendmsg (net/socket.c:2799)
[  118.519954][T14770]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.519960][T14770]  _printk (kernel/printk/printk.c:2504)
[  118.519963][T14770]  ? snapshot_read.cold (user.c:?)
[  118.519966][T14770]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  118.519968][T14770]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  118.519970][T14770]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  118.519972][T14770]  ? netdev_notice (net/core/dev.c:13194)
[  118.519974][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.519976][T14770]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  118.519978][T14770]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  118.519981][T14770]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  118.519982][T14770]  ? 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)
[  118.519985][T14770]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  118.519988][T14770]  dev_set_allmulti (net/core/dev_api.c:315)
[  118.519991][T14770] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  118.520004][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  118.520007][T14770]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  118.520010][T14770] br_del_if (net/bridge/br_if.c:732) bridge
[  118.520018][T14770]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  118.520020][T14770]  do_set_master (net/core/rtnetlink.c:3055)
[  118.520023][T14770]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  118.520026][T14770]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  118.520028][T14770]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  118.520029][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520031][T14770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.520035][T14770]  ? kasan_save_stack (mm/kasan/common.c:58)
[  118.520038][T14770]  ? kasan_save_stack (mm/kasan/common.c:57)
[  118.520040][T14770]  ? kasan_save_track (mm/kasan/common.c:78)
[  118.520041][T14770]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  118.520043][T14770]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  118.520044][T14770]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  118.520045][T14770]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.520047][T14770]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.520048][T14770]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.520049][T14770]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.520051][T14770]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.520052][T14770]  ? ___sys_sendmsg (net/socket.c:2767)
[  118.520054][T14770]  ? __sys_sendmsg (net/socket.c:2799)
[  118.520055][T14770]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.520056][T14770]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.520059][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520061][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.520062][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520064][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520066][T14770]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  118.520068][T14770]  ? __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)
[  118.520070][T14770]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  118.520071][T14770]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  118.520073][T14770]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  118.520074][T14770]  ? nla_get_range_signed (lib/nlattr.c:270)
[  118.520077][T14770]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  118.520079][T14770]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  118.520081][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520083][T14770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.520084][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.520086][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520088][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  118.520090][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  118.520092][T14770]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  118.520093][T14770]  ? __kernel_text_address (kernel/extable.c:79)
[  118.520094][T14770]  ? write_profile (profile.c:?)
[  118.520096][T14770]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  118.520098][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520100][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520102][T14770]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  118.520105][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.520107][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520109][T14770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.520110][T14770]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.520112][T14770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.520113][T14770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.520115][T14770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.520117][T14770]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.520119][T14770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.520120][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.520122][T14770]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.520123][T14770]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  118.520126][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520128][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.520130][T14770]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.520132][T14770]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.520133][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520135][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520137][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.520139][T14770]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.520141][T14770]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.520143][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520145][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.520147][T14770]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.520148][T14770]  ? copy_msghdr_from_user (net/socket.c:2650)
[  118.520150][T14770]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  118.520152][T14770]  ? move_addr_to_kernel (net/socket.c:258)
[  118.520153][T14770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.520156][T14770]  ___sys_sendmsg (net/socket.c:2767)
[  118.520158][T14770]  ? copy_msghdr_from_user (net/socket.c:2619)
[  118.520163][T14770]  __sys_sendmsg (net/socket.c:2799)
[  118.520165][T14770]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  118.520168][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.520170][T14770]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.520171][T14770]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.520174][T14770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.520175][T14770] RIP: 0033:0x7f785ab8e54e
[  118.520177][T14770] 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
[  118.520179][T14770] RSP: 002b:00007ffe2f4ed240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  118.520183][T14770] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f785ab8e54e
[  118.520184][T14770] RDX: 0000000000000000 RSI: 00007ffe2f4ed2f0 RDI: 0000000000000005
[  118.520185][T14770] RBP: 00007ffe2f4ed250 R08: 0000000000000000 R09: 0000000000000000
[  118.520186][T14770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917e5a


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