======================================
| [   11.526259][  T241] softirqs last disabled at (27221): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.526261][  T241] Preemption disabled at:
| [   11.526262][  T241] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.526271][  T241] Tainted: [W]=WARN
[   11.526272][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.526274][  T241] Call Trace:
[   11.526275][  T241]  <TASK>
[   11.526277][  T241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.526283][  T241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.526285][  T241]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.526290][  T241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.526294][  T241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.526300][  T241]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.526302][  T241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.526309][  T241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.526312][  T241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.526315][  T241]  put_chars (drivers/char/virtio_console.c:1176)
[   11.526318][  T241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.526320][  T241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.526325][  T241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.526327][  T241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.526333][  T241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.526337][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.526343][  T241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.526346][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.526352][  T241]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.526357][  T241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.526359][  T241]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.526362][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.526365][  T241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.526369][  T241]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.526374][  T241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.526376][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.526382][  T241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.526385][  T241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.526387][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.526390][  T241]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.526394][  T241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.526396][  T241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.526399][  T241]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.526405][  T241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.526412][  T241]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.526415][  T241]  _printk (kernel/printk/printk.c:2504)
[   11.526419][  T241]  ? snapshot_read.cold (user.c:?)
[   11.526427][  T241]  ? 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)
[   11.526430][  T241] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.526434][  T241]  do_one_initcall (init/main.c:1357)
[   11.526437][  T241]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.526442][  T241]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.526446][  T241]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.526451][  T241]  do_init_module (kernel/module/main.c:3117)
[   11.526455][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.526460][  T241]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.526463][  T241]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.526468][  T241]  load_module (kernel/module/main.c:3593)
[   11.526477][  T241]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.526481][  T241]  ? __ia32_sys_fsconfig (??:?)
[   11.526485][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.526488][  T241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.526492][  T241]  init_module_from_file (kernel/module/main.c:3790)
[   11.526496][  T241]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.526506][  T241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.526510][  T241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.526514][  T241]  idempotent_init_module (kernel/module/main.c:3802)
[   11.526517][  T241]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.526525][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.526528][  T241]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.526535][  T241]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.526537][  T241]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.526541][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.526543][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.526546][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.526548][  T241] RIP: 0033:0x7fcd2ff6a37d
[   11.526552][  T241] 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
[   11.526554][  T241] RSP: 002b:00007ffc533f4018 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.526557][  T241] RAX: ffffffffffffffda RBX: 0000561da2186810 RCX: 00007fcd2ff6a37d
[   11.526558][  T241] RDX: 0000000000000000 RSI: 0000561d9c9d0ffd RDI: 0000000000000000
[   11.526559][  T241] RBP: 00007ffc533f40b0 R08: 0000000000000000 R09: 0000000000000000
[   11.526560][  T241] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561d9c9d0ffd
[   11.526560][  T241] R13: 0000561da2186960 R14: 0000000000040000 R15: 0000000000000000
| [   13.786474][  T371] softirqs last disabled at (14145): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.786477][  T371] Preemption disabled at:
| [   13.786477][  T371] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.786486][  T371] Tainted: [W]=WARN
[   13.786487][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.786489][  T371] Call Trace:
[   13.786491][  T371]  <TASK>
[   13.786492][  T371]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.786498][  T371]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.786500][  T371]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.786505][  T371]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.786510][  T371]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.786515][  T371]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.786518][  T371]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.786524][  T371]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.786527][  T371]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.786530][  T371]  put_chars (drivers/char/virtio_console.c:1176)
[   13.786533][  T371]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.786538][  T371]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.786542][  T371]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.786545][  T371]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.786547][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.786549][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.786553][  T371]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.786556][  T371]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.786559][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.786563][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.786568][  T371]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.786572][  T371]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.786573][  T371]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.786577][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.786579][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.786584][  T371]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.786588][  T371]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.786590][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.786596][  T371]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.786599][  T371]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.786601][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.786603][  T371]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.786608][  T371]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.786609][  T371]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.786613][  T371]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.786617][  T371]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.786620][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.786621][  T371]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.786628][  T371]  _printk (kernel/printk/printk.c:2504)
[   13.786631][  T371]  ? snapshot_read.cold (user.c:?)
[   13.786635][  T371]  ? br_multicast_flood (??:?) bridge
[   13.786648][  T371]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.786649][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.786650][  T371]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.786656][  T371] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.786666][  T371] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.786674][  T371] new_nbp (net/bridge/br_if.c:449) bridge
[   13.786683][  T371] br_add_if (net/bridge/br_if.c:592) bridge
[   13.786690][  T371]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.786694][  T371]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.786698][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   13.786702][  T371]  do_set_master (net/core/rtnetlink.c:3071)
[   13.786707][  T371]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.786711][  T371]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.786714][  T371]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.786715][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.786718][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.786722][  T371]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.786724][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.786726][  T371]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.786729][  T371]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.786732][  T371]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.786734][  T371]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.786737][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.786739][  T371]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.786742][  T371]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.786747][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.786749][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.786752][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.786754][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.786756][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.786758][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.786760][  T371]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.786764][  T371]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.786766][  T371]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.786768][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.786772][  T371]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.786774][  T371]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.786780][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.786786][  T371]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.786792][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.786794][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.786799][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.786801][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.786803][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.786811][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.786815][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.786817][  T371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.786821][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.786822][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.786827][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.786829][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.786833][  T371]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.786835][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.786838][  T371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.786846][  T371]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.786847][  T371]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.786852][  T371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.786856][  T371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.786859][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.786864][  T371]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.786868][  T371]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.786873][  T371]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.786879][  T371]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.786881][  T371]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.786883][  T371]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.786885][  T371]  ? move_addr_to_kernel (net/socket.c:258)
[   13.786894][  T371]  ___sys_sendmsg (net/socket.c:2767)
[   13.786897][  T371]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.786917][  T371]  __sys_sendmsg (net/socket.c:2799)
[   13.786920][  T371]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.786927][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.786931][  T371]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.786933][  T371]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.786936][  T371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.786938][  T371] RIP: 0033:0x7ff10cd5b54e
[   13.786942][  T371] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.786944][  T371] RSP: 002b:00007ffdc075ded0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.786947][  T371] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff10cd5b54e
[   13.786948][  T371] RDX: 0000000000000000 RSI: 00007ffdc075df80 RDI: 0000000000000005
[   13.786949][  T371] RBP: 00007ffdc075dee0 R08: 0000000000000000 R09: 0000000000000000
[   13.786950][  T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918580
[   13.786950][  T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc075e640
| [   15.051090][  T465] softirqs last disabled at (16918): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.051093][  T465] Preemption disabled at:
| [   15.051094][  T465] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.051106][  T465] Tainted: [W]=WARN
[   15.051107][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.051109][  T465] Call Trace:
[   15.051111][  T465]  <TASK>
[   15.051113][  T465]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.051120][  T465]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.051124][  T465]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.051129][  T465]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.051135][  T465]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.051142][  T465]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.051146][  T465]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.051155][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.051158][  T465]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.051163][  T465]  put_chars (drivers/char/virtio_console.c:1176)
[   15.051166][  T465]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.051169][  T465]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.051175][  T465]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.051180][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.051184][  T465]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.051190][  T465]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.051194][  T465]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.051197][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.051199][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.051206][  T465]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.051210][  T465]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.051215][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.051219][  T465]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.051226][  T465]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.051232][  T465]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.051235][  T465]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.051240][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.051244][  T465]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.051251][  T465]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.051258][  T465]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.051260][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.051270][  T465]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.051275][  T465]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.051277][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.051281][  T465]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.051287][  T465]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.051290][  T465]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.051295][  T465]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.051302][  T465]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.051305][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.051314][  T465]  _printk (kernel/printk/printk.c:2504)
[   15.051319][  T465]  ? snapshot_read.cold (user.c:?)
[   15.051326][  T465]  ? br_multicast_flood (??:?) bridge
[   15.051346][  T465]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.051349][  T465]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.051351][  T465]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.051359][  T465] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.051376][  T465] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.051391][  T465] new_nbp (net/bridge/br_if.c:449) bridge
[   15.051411][  T465] br_add_if (net/bridge/br_if.c:592) bridge
[   15.051423][  T465]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.051428][  T465]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.051432][  T465]  ? __kernel_text_address (kernel/extable.c:79)
[   15.051440][  T465]  do_set_master (net/core/rtnetlink.c:3071)
[   15.051447][  T465]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.051453][  T465]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.051457][  T465]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.051459][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.051462][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.051466][  T465]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.051470][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.051473][  T465]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.051477][  T465]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.051481][  T465]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.051483][  T465]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.051488][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.051491][  T465]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.051495][  T465]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.051502][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.051505][  T465]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.051509][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.051513][  T465]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.051515][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.051517][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.051521][  T465]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.051526][  T465]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.051530][  T465]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.051534][  T465]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.051540][  T465]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.051543][  T465]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.051552][  T465]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.051562][  T465]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.051573][  T465]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.051576][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.051584][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.051587][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.051590][  T465]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.051594][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.051600][  T465]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.051604][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.051609][  T465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.051611][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.051619][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.051622][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.051628][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.051631][  T465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.051636][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.051648][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.051650][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.051658][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.051665][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.051669][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.051677][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.051683][  T465]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.051691][  T465]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.051699][  T465]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.051704][  T465]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.051707][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.051710][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   15.051724][  T465]  ___sys_sendmsg (net/socket.c:2767)
[   15.051729][  T465]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.051760][  T465]  __sys_sendmsg (net/socket.c:2799)
[   15.051764][  T465]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.051776][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.051783][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.051786][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.051791][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.051794][  T465] RIP: 0033:0x7f803041c54e
[   15.051799][  T465] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.051801][  T465] RSP: 002b:00007ffe45200e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.051806][  T465] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f803041c54e
[   15.051808][  T465] RDX: 0000000000000000 RSI: 00007ffe45200eb0 RDI: 0000000000000005
[   15.051809][  T465] RBP: 00007ffe45200e10 R08: 0000000000000000 R09: 0000000000000000
[   15.051815][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918581
[   15.051816][  T465] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe45201570
| [   29.117432][    C2] softirqs last disabled at (5829309): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.117435][    C2] Preemption disabled at:
| [   29.117436][    C2] 0x0
| [   29.117447][    C2] Tainted: [W]=WARN
[   29.117448][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.117450][    C2] Call Trace:
[   29.117452][    C2]  <IRQ>
[   29.117453][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.117458][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.117462][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.117465][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.117468][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.117472][    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))
[   29.117475][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.117478][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.117482][    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)
[   29.117483][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.117486][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   29.117487][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.117489][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.117492][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.117496][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.117497][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.117499][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.117501][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.117503][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.117505][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.117507][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.117509][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.117510][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.117512][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.117514][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.117517][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.117519][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.117520][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.117522][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.117523][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.117525][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.117527][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.117528][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.117530][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.117533][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.117534][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.117536][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.117538][    C2]  _printk (kernel/printk/printk.c:2504)
[   29.117541][    C2]  ? snapshot_read.cold (user.c:?)
[   29.117543][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   29.117547][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.117549][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.117550][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.117553][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.117556][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.117558][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.117559][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.117561][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.117563][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.117575][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.117577][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.117579][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.117585][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.117587][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.117593][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.117599][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.117605][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   29.117609][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.117610][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.117614][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.117616][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.117618][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.117620][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.117621][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.117628][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.117630][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.117633][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.117635][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.117637][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.117639][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.117641][    C2]  handle_softirqs (kernel/softirq.c:645)
[   29.117642][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.117644][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.117646][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.117647][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   29.117649][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.117652][    C2]  </IRQ>
[   29.117652][    C2]  <TASK>
[   29.117653][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.117655][    C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   29.117658][    C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 9f ba fd 48 89 df e8 c9 f5 ba fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 bf ac fd 65 48 83 3d af fb f2 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 9f ba fd       	call   0xfffffffffdba9fd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 f5 ba fd       	call   0xfffffffffdbaf5e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 bf ac fd       	call   0xfffffffffdacbfa4
  34:	65 48 83 3d af fb f2 	cmpq   $0x0,%gs:0x1f2fbaf(%rip)        # 0x1f2fbec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 bf ac fd       	call   0xfffffffffdacbf7a
   a:	65 48 83 3d af fb f2 	cmpq   $0x0,%gs:0x1f2fbaf(%rip)        # 0x1f2fbc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   29.117660][    C2] RSP: 0018:ffa00000005e7938 EFLAGS: 00000246
[   29.117663][    C2] RAX: 0000000000000096 RBX: ff11000001f96400 RCX: ffffffff94da9483
[   29.117664][    C2] RDX: ff1100000a42a380 RSI: ffffffff95638af6 RDI: ffffffff9508d8e0
[   29.117665][    C2] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000
[   29.117666][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ff110000115f66c0
[   29.117667][    C2] R13: 0000000000000000 R14: ffa00000005e7980 R15: 0000000000000cc0
[   29.117669][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   29.117671][    C2]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   29.117673][    C2]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   29.117675][    C2]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   29.117678][    C2]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   29.117679][    C2]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   29.117682][    C2]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   29.117683][    C2]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   29.117685][    C2]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   29.117687][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.117688][    C2]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   29.117691][    C2]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   29.117693][    C2]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   29.117695][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.117697][    C2]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   29.117699][    C2]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   29.117704][    C2]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   29.117707][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.117710][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.117712][    C2]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   29.117715][    C2]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   29.117717][    C2]  ? sock_ioctl (net/socket.c:1446)
[   29.117719][    C2]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   29.117722][    C2]  ? br_ioctl_call (net/socket.c:1291)
[   29.117724][    C2]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   29.117725][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.117728][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.117729][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   29.117731][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.117732][    C2]  ? irq_exit_rcu (kernel/softirq.c:786)
[   29.117733][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.117735][    C2] RIP: 0033:0x7f4b6eeb454e
[   29.117737][    C2] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.117738][    C2] RSP: 002b:00007ffdd7573200 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   29.117740][    C2] RAX: ffffffffffffffda RBX: 000055d6a94c75e2 RCX: 00007f4b6eeb454e
[   29.117740][    C2] RDX: 0000000000001f6a RSI: 000055d6a94c75e2 RDI: 0000000000000005
[   29.117741][    C2] RBP: 00007ffdd7573210 R08: 00007ffdd7573260 R09: 0000000000000014
[   29.117742][    C2] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d6a94c4830
[   29.117743][    C2] R13: 0000000000001f6a R14: 0000000000000005 R15: 000055d6a94c4830
| [   29.188310][    C2]
| [   29.188384][    C2]
| [   29.188384][    C2] stack backtrace:
| [   29.188577][    C2] Tainted: [W]=WARN
[   29.188578][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.188579][    C2] Call Trace:
[   29.188580][    C2]  <IRQ>
[   29.188581][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.188586][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.188588][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.188591][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.188593][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.188595][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.188597][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.188599][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.188606][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.188609][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.188610][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.188617][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.188618][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.188624][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.188630][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.188637][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   29.188639][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.188640][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.188644][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.188646][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.188647][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.188649][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.188651][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.188658][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.188660][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.188662][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.188665][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.188667][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.188669][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.188670][    C2]  handle_softirqs (kernel/softirq.c:645)
[   29.188672][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.188674][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.188676][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.188677][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   29.188679][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.188681][    C2]  </IRQ>
[   29.188681][    C2]  <TASK>
[   29.188682][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.188683][    C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   29.188686][    C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 9f ba fd 48 89 df e8 c9 f5 ba fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 bf ac fd 65 48 83 3d af fb f2 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 9f ba fd       	call   0xfffffffffdba9fd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 f5 ba fd       	call   0xfffffffffdbaf5e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 bf ac fd       	call   0xfffffffffdacbfa4
  34:	65 48 83 3d af fb f2 	cmpq   $0x0,%gs:0x1f2fbaf(%rip)        # 0x1f2fbec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 bf ac fd       	call   0xfffffffffdacbf7a
   a:	65 48 83 3d af fb f2 	cmpq   $0x0,%gs:0x1f2fbaf(%rip)        # 0x1f2fbc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   29.188687][    C2] RSP: 0018:ffa00000005e7938 EFLAGS: 00000246
[   29.188690][    C2] RAX: 0000000000000096 RBX: ff11000001f96400 RCX: ffffffff94da9483
[   29.188691][    C2] RDX: ff1100000a42a380 RSI: ffffffff95638af6 RDI: ffffffff9508d8e0
[   29.188692][    C2] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000
[   29.188693][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ff110000115f66c0
[   29.188694][    C2] R13: 0000000000000000 R14: ffa00000005e7980 R15: 0000000000000cc0
[   29.188695][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   29.188698][    C2]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   29.188699][    C2]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   29.188701][    C2]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   29.188703][    C2]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   29.188705][    C2]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   29.188707][    C2]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   29.188709][    C2]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   29.188710][    C2]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   29.188712][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.188713][    C2]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   29.188716][    C2]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   29.188718][    C2]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   29.188720][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.188721][    C2]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   29.188723][    C2]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   29.188727][    C2]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   29.188729][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.188732][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.188734][    C2]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   29.188736][    C2]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   29.188738][    C2]  ? sock_ioctl (net/socket.c:1446)
[   29.188740][    C2]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   29.188743][    C2]  ? br_ioctl_call (net/socket.c:1291)
[   29.188745][    C2]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   29.188746][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.188749][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.188750][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   29.188751][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.188752][    C2]  ? irq_exit_rcu (kernel/softirq.c:786)
[   29.188754][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.188755][    C2] RIP: 0033:0x7f4b6eeb454e
[   29.188757][    C2] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.188758][    C2] RSP: 002b:00007ffdd7573200 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   29.188760][    C2] RAX: ffffffffffffffda RBX: 000055d6a94c75e2 RCX: 00007f4b6eeb454e
[   29.188760][    C2] RDX: 0000000000001f6a RSI: 000055d6a94c75e2 RDI: 0000000000000005
[   29.188761][    C2] RBP: 00007ffdd7573210 R08: 00007ffdd7573260 R09: 0000000000000014
[   29.188762][    C2] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d6a94c4830
[   29.188763][    C2] R13: 0000000000001f6a R14: 0000000000000005 R15: 000055d6a94c4830
| [  392.692035][ T1968] softirqs last disabled at (0): 0x0
| [  392.692037][ T1968] Preemption disabled at:
| [  392.692038][ T1968] 0x0
| [  392.692046][ T1968] Tainted: [W]=WARN
[  392.692047][ T1968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  392.692048][ T1968] Call Trace:
[  392.692050][ T1968]  <TASK>
[  392.692051][ T1968]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  392.692056][ T1968]  __might_resched.cold (kernel/sched/core.c:9234)
[  392.692060][ T1968]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  392.692064][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692068][ T1968]  __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))
[  392.692071][ T1968]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  392.692074][ T1968]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  392.692078][ T1968]  ? 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)
[  392.692079][ T1968]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  392.692081][ T1968]  put_chars (drivers/char/virtio_console.c:1176)
[  392.692083][ T1968]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  392.692085][ T1968]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  392.692088][ T1968]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  392.692091][ T1968]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  392.692093][ T1968]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  392.692094][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692096][ T1968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  392.692098][ T1968]  console_emit_next_record (kernel/printk/printk.c:3183)
[  392.692100][ T1968]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  392.692102][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692104][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692105][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692107][ T1968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  392.692109][ T1968]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  392.692110][ T1968]  console_flush_one_record (kernel/printk/printk.c:3268)
[  392.692112][ T1968]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  392.692115][ T1968]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  392.692117][ T1968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  392.692118][ T1968]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  392.692120][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692121][ T1968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  392.692122][ T1968]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  392.692124][ T1968]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  392.692126][ T1968]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  392.692127][ T1968]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  392.692129][ T1968]  vprintk_emit (kernel/printk/printk.c:2479)
[  392.692132][ T1968]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  392.692133][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692135][ T1968]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  392.692137][ T1968]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  392.692139][ T1968]  _printk (kernel/printk/printk.c:2504)
[  392.692142][ T1968]  ? snapshot_read.cold (user.c:?)
[  392.692144][ T1968]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  392.692149][ T1968] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  392.692161][ T1968] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  392.692169][ T1968] br_device_event (net/bridge/br.c:111) bridge
[  392.692177][ T1968]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  392.692180][ T1968]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  392.692183][ T1968]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  392.692186][ T1968]  notifier_call_chain (kernel/notifier.c:85)
[  392.692189][ T1968]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  392.692192][ T1968]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  392.692194][ T1968]  ? netif_change_name (net/core/dev.c:1517)
[  392.692196][ T1968]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  392.692198][ T1968]  ? __kernel_text_address (kernel/extable.c:79)
[  392.692200][ T1968]  ? write_profile (profile.c:?)
[  392.692202][ T1968]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  392.692205][ T1968]  netif_change_flags (net/core/dev.c:9882)
[  392.692207][ T1968]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  392.692217][ T1968]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  392.692218][ T1968]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  392.692219][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692221][ T1968]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  392.692225][ T1968]  ? kasan_save_stack (mm/kasan/common.c:58)
[  392.692227][ T1968]  ? kasan_save_stack (mm/kasan/common.c:57)
[  392.692229][ T1968]  ? kasan_save_track (mm/kasan/common.c:78)
[  392.692230][ T1968]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  392.692232][ T1968]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  392.692233][ T1968]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  392.692234][ T1968]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  392.692235][ T1968]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  392.692238][ T1968]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  392.692239][ T1968]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  392.692240][ T1968]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  392.692243][ T1968]  ? ___sys_sendmsg (net/socket.c:2767)
[  392.692244][ T1968]  ? __sys_sendmsg (net/socket.c:2799)
[  392.692246][ T1968]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  392.692248][ T1968]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  392.692250][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692252][ T1968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  392.692253][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692255][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692257][ T1968]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  392.692260][ T1968]  ? __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)
[  392.692261][ T1968]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  392.692262][ T1968]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  392.692264][ T1968]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  392.692266][ T1968]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  392.692268][ T1968]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  392.692270][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692272][ T1968]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  392.692273][ T1968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  392.692274][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692276][ T1968]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  392.692279][ T1968]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  392.692281][ T1968]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  392.692282][ T1968]  ? __kernel_text_address (kernel/extable.c:79)
[  392.692283][ T1968]  ? write_profile (profile.c:?)
[  392.692285][ T1968]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  392.692286][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692288][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692289][ T1968]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  392.692293][ T1968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  392.692294][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692296][ T1968]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  392.692297][ T1968]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  392.692298][ T1968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  392.692300][ T1968]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  392.692301][ T1968]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  392.692303][ T1968]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  392.692305][ T1968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  392.692306][ T1968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  392.692308][ T1968]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  392.692309][ T1968]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  392.692311][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692313][ T1968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  392.692315][ T1968]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  392.692317][ T1968]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  392.692318][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692320][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692322][ T1968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  392.692323][ T1968]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  392.692325][ T1968]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  392.692327][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692329][ T1968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  392.692330][ T1968]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  392.692332][ T1968]  ? copy_msghdr_from_user (net/socket.c:2650)
[  392.692336][ T1968]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  392.692338][ T1968]  ? move_addr_to_kernel (net/socket.c:258)
[  392.692339][ T1968]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  392.692341][ T1968]  ___sys_sendmsg (net/socket.c:2767)
[  392.692343][ T1968]  ? copy_msghdr_from_user (net/socket.c:2619)
[  392.692348][ T1968]  __sys_sendmsg (net/socket.c:2799)
[  392.692350][ T1968]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  392.692352][ T1968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  392.692354][ T1968]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  392.692356][ T1968]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  392.692358][ T1968]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  392.692359][ T1968] RIP: 0033:0x7fb302d5454e
[  392.692361][ T1968] 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
[  392.692363][ T1968] RSP: 002b:00007ffd96958660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  392.692367][ T1968] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb302d5454e
[  392.692368][ T1968] RDX: 0000000000000000 RSI: 00007ffd96958710 RDI: 0000000000000005
[  392.692369][ T1968] RBP: 00007ffd96958670 R08: 0000000000000000 R09: 0000000000000000
[  392.692370][ T1968] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9186fa


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