======================================
| [   10.482025][  T241] softirqs last disabled at (21759): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.482027][  T241] Preemption disabled at:
| [   10.482028][  T241] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.482037][  T241] Tainted: [W]=WARN
[   10.482038][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.482040][  T241] Call Trace:
[   10.482042][  T241]  <TASK>
[   10.482043][  T241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.482049][  T241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.482051][  T241]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.482056][  T241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.482060][  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)
[   10.482065][  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))
[   10.482067][  T241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.482072][  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)
[   10.482075][  T241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.482078][  T241]  put_chars (drivers/char/virtio_console.c:1176)
[   10.482081][  T241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.482082][  T241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.482087][  T241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.482089][  T241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.482094][  T241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.482096][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.482101][  T241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.482103][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.482108][  T241]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.482112][  T241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.482114][  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))
[   10.482117][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.482119][  T241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.482123][  T241]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.482126][  T241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.482128][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.482133][  T241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.482136][  T241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.482137][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.482140][  T241]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.482143][  T241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.482145][  T241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.482148][  T241]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.482152][  T241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.482157][  T241]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.482161][  T241]  _printk (kernel/printk/printk.c:2504)
[   10.482165][  T241]  ? snapshot_read.cold (user.c:?)
[   10.482171][  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)
[   10.482174][  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
[   10.482177][  T241]  do_one_initcall (init/main.c:1357)
[   10.482179][  T241]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.482184][  T241]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.482187][  T241]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.482191][  T241]  do_init_module (kernel/module/main.c:3117)
[   10.482195][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.482199][  T241]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.482202][  T241]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.482206][  T241]  load_module (kernel/module/main.c:3593)
[   10.482213][  T241]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.482217][  T241]  ? __ia32_sys_fsconfig (??:?)
[   10.482220][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.482222][  T241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.482226][  T241]  init_module_from_file (kernel/module/main.c:3790)
[   10.482229][  T241]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.482237][  T241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.482240][  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)
[   10.482243][  T241]  idempotent_init_module (kernel/module/main.c:3802)
[   10.482247][  T241]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.482253][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.482255][  T241]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.482261][  T241]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.482263][  T241]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.482266][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.482268][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.482271][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.482273][  T241] RIP: 0033:0x7fad5a71837d
[   10.482276][  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
[   10.482278][  T241] RSP: 002b:00007ffee6bc7ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.482281][  T241] RAX: ffffffffffffffda RBX: 00005638fbde5810 RCX: 00007fad5a71837d
[   10.482282][  T241] RDX: 0000000000000000 RSI: 00005638ceb95ffd RDI: 0000000000000000
[   10.482283][  T241] RBP: 00007ffee6bc7f70 R08: 0000000000000000 R09: 0000000000000000
[   10.482284][  T241] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638ceb95ffd
[   10.482285][  T241] R13: 00005638fbde5960 R14: 0000000000040000 R15: 0000000000000000
| [   12.430367][  T372] softirqs last disabled at (23068): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.430369][  T372] Preemption disabled at:
| [   12.430370][  T372] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.430379][  T372] Tainted: [W]=WARN
[   12.430380][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.430382][  T372] Call Trace:
[   12.430384][  T372]  <TASK>
[   12.430385][  T372]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.430391][  T372]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.430393][  T372]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.430397][  T372]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.430409][  T372]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.430416][  T372]  __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))
[   12.430420][  T372]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.430428][  T372]  ? 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)
[   12.430432][  T372]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.430435][  T372]  put_chars (drivers/char/virtio_console.c:1176)
[   12.430438][  T372]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.430442][  T372]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.430446][  T372]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.430449][  T372]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.430450][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430452][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430456][  T372]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.430458][  T372]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.430461][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430465][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.430469][  T372]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.430472][  T372]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.430474][  T372]  ? 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))
[   12.430477][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430480][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.430483][  T372]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.430487][  T372]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.430489][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430494][  T372]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.430497][  T372]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.430499][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430501][  T372]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.430505][  T372]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.430506][  T372]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.430510][  T372]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.430514][  T372]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.430516][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.430518][  T372]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.430524][  T372]  _printk (kernel/printk/printk.c:2504)
[   12.430527][  T372]  ? snapshot_read.cold (user.c:?)
[   12.430531][  T372]  ? br_multicast_flood (??:?) bridge
[   12.430544][  T372]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.430545][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.430547][  T372]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.430551][  T372] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.430561][  T372] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.430569][  T372] new_nbp (net/bridge/br_if.c:449) bridge
[   12.430578][  T372] br_add_if (net/bridge/br_if.c:592) bridge
[   12.430585][  T372]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.430590][  T372]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.430593][  T372]  ? __kernel_text_address (kernel/extable.c:79)
[   12.430596][  T372]  do_set_master (net/core/rtnetlink.c:3071)
[   12.430601][  T372]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.430604][  T372]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.430607][  T372]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.430609][  T372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.430611][  T372]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.430615][  T372]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.430617][  T372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.430619][  T372]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.430622][  T372]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.430625][  T372]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.430626][  T372]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.430629][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430631][  T372]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.430634][  T372]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.430638][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.430640][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.430643][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430645][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.430647][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430649][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430651][  T372]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.430657][  T372]  ? __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)
[   12.430658][  T372]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.430661][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.430664][  T372]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.430665][  T372]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.430671][  T372]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.430676][  T372]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.430681][  T372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.430683][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430687][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.430689][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.430691][  T372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.430693][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.430696][  T372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.430699][  T372]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.430702][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.430703][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430707][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.430709][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.430713][  T372]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.430714][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.430717][  T372]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.430723][  T372]  ? 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))
[   12.430725][  T372]  ? 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))
[   12.430729][  T372]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.430733][  T372]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.430736][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430740][  T372]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.430743][  T372]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.430747][  T372]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.430752][  T372]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.430755][  T372]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.430757][  T372]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.430759][  T372]  ? move_addr_to_kernel (net/socket.c:258)
[   12.430766][  T372]  ___sys_sendmsg (net/socket.c:2767)
[   12.430769][  T372]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.430784][  T372]  __sys_sendmsg (net/socket.c:2799)
[   12.430787][  T372]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.430793][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430797][  T372]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.430799][  T372]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.430802][  T372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.430804][  T372] RIP: 0033:0x7f493f3de54e
[   12.430808][  T372] 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
[   12.430810][  T372] RSP: 002b:00007ffc31fd47d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.430812][  T372] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f493f3de54e
[   12.430814][  T372] RDX: 0000000000000000 RSI: 00007ffc31fd4880 RDI: 0000000000000005
[   12.430815][  T372] RBP: 00007ffc31fd47e0 R08: 0000000000000000 R09: 0000000000000000
[   12.430816][  T372] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af57
[   12.430816][  T372] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc31fd4f40
| [   13.501244][  T464] softirqs last disabled at (17956): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.501247][  T464] Preemption disabled at:
| [   13.501248][  T464] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.501257][  T464] Tainted: [W]=WARN
[   13.501258][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.501260][  T464] Call Trace:
[   13.501261][  T464]  <TASK>
[   13.501263][  T464]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.501269][  T464]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.501271][  T464]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.501276][  T464]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.501280][  T464]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.501285][  T464]  __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))
[   13.501287][  T464]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.501293][  T464]  ? 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)
[   13.501296][  T464]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.501299][  T464]  put_chars (drivers/char/virtio_console.c:1176)
[   13.501301][  T464]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.501303][  T464]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.501306][  T464]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.501311][  T464]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.501314][  T464]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.501318][  T464]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.501320][  T464]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.501322][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.501324][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.501328][  T464]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.501330][  T464]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.501333][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.501335][  T464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.501339][  T464]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.501343][  T464]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.501345][  T464]  ? 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))
[   13.501348][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.501351][  T464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.501355][  T464]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.501359][  T464]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.501361][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.501366][  T464]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.501369][  T464]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.501371][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.501373][  T464]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.501377][  T464]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.501379][  T464]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.501382][  T464]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.501386][  T464]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.501389][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.501393][  T464]  _printk (kernel/printk/printk.c:2504)
[   13.501397][  T464]  ? snapshot_read.cold (user.c:?)
[   13.501401][  T464]  ? br_multicast_flood (??:?) bridge
[   13.501425][  T464]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.501427][  T464]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.501428][  T464]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.501444][  T464] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.501454][  T464] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.501463][  T464] new_nbp (net/bridge/br_if.c:449) bridge
[   13.501472][  T464] br_add_if (net/bridge/br_if.c:592) bridge
[   13.501479][  T464]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.501483][  T464]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.501486][  T464]  ? __kernel_text_address (kernel/extable.c:79)
[   13.501490][  T464]  do_set_master (net/core/rtnetlink.c:3071)
[   13.501495][  T464]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.501498][  T464]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.501501][  T464]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.501502][  T464]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.501504][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.501507][  T464]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.501510][  T464]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.501512][  T464]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.501515][  T464]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.501518][  T464]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.501519][  T464]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.501522][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.501524][  T464]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.501527][  T464]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.501532][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.501534][  T464]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.501536][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.501539][  T464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.501540][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.501542][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.501544][  T464]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.501548][  T464]  ? __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)
[   13.501551][  T464]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.501554][  T464]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.501557][  T464]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.501559][  T464]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.501563][  T464]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.501569][  T464]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.501574][  T464]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.501576][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.501580][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.501582][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.501584][  T464]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.501586][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.501590][  T464]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.501592][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.501595][  T464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.501596][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.501601][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.501602][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.501606][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.501608][  T464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.501610][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.501617][  T464]  ? 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))
[   13.501618][  T464]  ? 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))
[   13.501622][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.501626][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.501629][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.501633][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.501636][  T464]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.501640][  T464]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.501645][  T464]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.501648][  T464]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.501650][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.501654][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   13.501662][  T464]  ___sys_sendmsg (net/socket.c:2767)
[   13.501665][  T464]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.501680][  T464]  __sys_sendmsg (net/socket.c:2799)
[   13.501683][  T464]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.501689][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.501693][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.501695][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.501698][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.501701][  T464] RIP: 0033:0x7f1eedf9b54e
[   13.501704][  T464] 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
[   13.501706][  T464] RSP: 002b:00007fffc1416cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.501709][  T464] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1eedf9b54e
[   13.501710][  T464] RDX: 0000000000000000 RSI: 00007fffc1416d80 RDI: 0000000000000005
[   13.501711][  T464] RBP: 00007fffc1416ce0 R08: 0000000000000000 R09: 0000000000000000
[   13.501712][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af58
[   13.501713][  T464] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc1417440
| [   28.016941][    C0] softirqs last disabled at (962759): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.016943][    C0] Preemption disabled at:
| [   28.016944][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.016953][    C0] Tainted: [W]=WARN
[   28.016954][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.016956][    C0] Call Trace:
[   28.016958][    C0]  <IRQ>
[   28.016960][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.016965][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.016966][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.016969][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.016973][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.016975][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016979][    C0]  __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))
[   28.016982][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.016985][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.016988][    C0]  ? 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)
[   28.016990][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.016992][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.016994][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.016995][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.016999][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.017002][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.017003][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017005][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.017007][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.017010][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.017011][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017013][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017015][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.017017][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.017018][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.017020][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.017023][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.017025][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.017026][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.017028][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017029][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.017031][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.017033][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.017034][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.017036][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.017038][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.017040][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017042][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.017043][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.017048][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.017051][    C0]  ? snapshot_read.cold (user.c:?)
[   28.017053][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.017056][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.017059][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.017060][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.017062][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.017065][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.017067][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.017069][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.017071][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.017073][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.017084][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017086][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.017088][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.017094][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.017096][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.017102][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.017108][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.017114][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.017117][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.017119][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.017122][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.017124][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.017126][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017128][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.017130][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.017136][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.017138][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.017141][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.017143][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.017145][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.017147][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.017149][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017150][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.017152][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.017154][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.017156][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.017157][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.017159][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.017162][    C0]  </IRQ>
[   28.017162][    C0]  <TASK>
[   28.017163][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.017164][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.017166][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.017169][    C0] 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
[   28.017171][    C0] RSP: 0018:ffffffffb8e07cf8 EFLAGS: 00000296
[   28.017174][    C0] RAX: 00000000000eb0c5 RBX: ffffffffb8e1c600 RCX: ffffffffb5ef0307
[   28.017175][    C0] RDX: ffffffffb8e1c600 RSI: ffffffffb8c38af6 RDI: ffffffffb868d8e0
[   28.017176][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.017177][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff71c0fa2
[   28.017178][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.017179][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.017182][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.017184][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.017186][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.017187][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.017189][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.017190][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.017193][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.017195][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.017196][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.017198][    C0]  rest_init (init/main.c:727)
[   28.017199][    C0]  ? __cpuidle_text_end (??:?)
[   28.017202][    C0]  ? rest_init (init/main.c:727)
[   28.017204][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.017208][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.017210][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.017213][    C0]  start_kernel (init/main.c:1185)
[   28.017215][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.017217][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.017218][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.077801][    C0]
| [   28.077875][    C0]
| [   28.077875][    C0] stack backtrace:
| [   28.078119][    C0] Tainted: [W]=WARN
[   28.078121][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.078122][    C0] Call Trace:
[   28.078123][    C0]  <IRQ>
[   28.078124][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.078129][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.078131][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.078134][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.078136][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.078138][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.078140][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.078142][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.078149][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.078152][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.078153][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.078159][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.078161][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.078167][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.078173][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.078179][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.078181][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.078183][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.078187][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.078189][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.078190][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.078193][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.078194][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.078201][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.078203][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.078205][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.078208][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.078210][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.078211][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.078214][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.078215][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.078217][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.078219][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.078221][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.078222][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.078224][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.078225][    C0]  </IRQ>
[   28.078226][    C0]  <TASK>
[   28.078226][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.078228][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.078230][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.078232][    C0] 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
[   28.078234][    C0] RSP: 0018:ffffffffb8e07cf8 EFLAGS: 00000296
[   28.078236][    C0] RAX: 00000000000eb0c5 RBX: ffffffffb8e1c600 RCX: ffffffffb5ef0307
[   28.078237][    C0] RDX: ffffffffb8e1c600 RSI: ffffffffb8c38af6 RDI: ffffffffb868d8e0
[   28.078238][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.078239][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff71c0fa2
[   28.078240][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.078241][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.078243][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.078245][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.078247][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.078248][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.078250][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.078251][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.078254][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.078256][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.078257][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.078259][    C0]  rest_init (init/main.c:727)
[   28.078260][    C0]  ? __cpuidle_text_end (??:?)
[   28.078263][    C0]  ? rest_init (init/main.c:727)
[   28.078265][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.078269][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.078271][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.078274][    C0]  start_kernel (init/main.c:1185)
[   28.078275][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.078277][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.078279][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  390.989063][ T1970] softirqs last disabled at (0): 0x0
| [  390.989065][ T1970] Preemption disabled at:
| [  390.989066][ T1970] 0x0
| [  390.989074][ T1970] Tainted: [W]=WARN
[  390.989075][ T1970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  390.989077][ T1970] Call Trace:
[  390.989078][ T1970]  <TASK>
[  390.989079][ T1970]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  390.989085][ T1970]  __might_resched.cold (kernel/sched/core.c:9234)
[  390.989089][ T1970]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  390.989092][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989096][ T1970]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  390.989100][ T1970]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  390.989103][ T1970]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.989107][ T1970]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  390.989108][ T1970]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.989110][ T1970]  put_chars (drivers/char/virtio_console.c:1176)
[  390.989112][ T1970]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  390.989114][ T1970]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  390.989117][ T1970]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  390.989120][ T1970]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  390.989123][ T1970]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  390.989124][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989126][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.989128][ T1970]  console_emit_next_record (kernel/printk/printk.c:3183)
[  390.989130][ T1970]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  390.989132][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989134][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989136][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989137][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.989139][ T1970]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  390.989141][ T1970]  console_flush_one_record (kernel/printk/printk.c:3268)
[  390.989143][ T1970]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  390.989146][ T1970]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  390.989147][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.989149][ T1970]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  390.989150][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989152][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  390.989153][ T1970]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  390.989155][ T1970]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  390.989157][ T1970]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  390.989158][ T1970]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  390.989160][ T1970]  vprintk_emit (kernel/printk/printk.c:2479)
[  390.989163][ T1970]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  390.989164][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989166][ T1970]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  390.989169][ T1970]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  390.989170][ T1970]  _printk (kernel/printk/printk.c:2504)
[  390.989173][ T1970]  ? snapshot_read.cold (user.c:?)
[  390.989176][ T1970]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  390.989180][ T1970] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  390.989193][ T1970] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  390.989201][ T1970] br_device_event (net/bridge/br.c:111) bridge
[  390.989210][ T1970]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  390.989213][ T1970]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  390.989215][ T1970]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  390.989219][ T1970]  notifier_call_chain (kernel/notifier.c:85)
[  390.989221][ T1970]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  390.989225][ T1970]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  390.989227][ T1970]  ? netif_change_name (net/core/dev.c:1517)
[  390.989229][ T1970]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  390.989231][ T1970]  ? __kernel_text_address (kernel/extable.c:79)
[  390.989232][ T1970]  ? write_profile (profile.c:?)
[  390.989235][ T1970]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  390.989237][ T1970]  netif_change_flags (net/core/dev.c:9882)
[  390.989240][ T1970]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  390.989242][ T1970]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  390.989244][ T1970]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  390.989245][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989246][ T1970]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  390.989250][ T1970]  ? kasan_save_stack (mm/kasan/common.c:58)
[  390.989253][ T1970]  ? kasan_save_stack (mm/kasan/common.c:57)
[  390.989254][ T1970]  ? kasan_save_track (mm/kasan/common.c:78)
[  390.989256][ T1970]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  390.989257][ T1970]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  390.989259][ T1970]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  390.989260][ T1970]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  390.989261][ T1970]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  390.989263][ T1970]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  390.989265][ T1970]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  390.989266][ T1970]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  390.989268][ T1970]  ? ___sys_sendmsg (net/socket.c:2767)
[  390.989270][ T1970]  ? __sys_sendmsg (net/socket.c:2799)
[  390.989271][ T1970]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  390.989273][ T1970]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  390.989276][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989278][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.989279][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989280][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989282][ T1970]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  390.989285][ T1970]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  390.989287][ T1970]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  390.989288][ T1970]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  390.989290][ T1970]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  390.989292][ T1970]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  390.989294][ T1970]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  390.989296][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989297][ T1970]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  390.989298][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.989300][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989302][ T1970]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  390.989305][ T1970]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  390.989307][ T1970]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  390.989308][ T1970]  ? __kernel_text_address (kernel/extable.c:79)
[  390.989309][ T1970]  ? write_profile (profile.c:?)
[  390.989310][ T1970]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  390.989311][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989313][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989315][ T1970]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  390.989318][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.989320][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989321][ T1970]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  390.989323][ T1970]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  390.989325][ T1970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  390.989326][ T1970]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  390.989327][ T1970]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  390.989330][ T1970]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  390.989331][ T1970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  390.989332][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  390.989334][ T1970]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  390.989335][ T1970]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  390.989337][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989339][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  390.989341][ T1970]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  390.989343][ T1970]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  390.989344][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989346][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989348][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.989349][ T1970]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  390.989351][ T1970]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  390.989353][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989355][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  390.989357][ T1970]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  390.989358][ T1970]  ? copy_msghdr_from_user (net/socket.c:2650)
[  390.989360][ T1970]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  390.989361][ T1970]  ? move_addr_to_kernel (net/socket.c:258)
[  390.989363][ T1970]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  390.989365][ T1970]  ___sys_sendmsg (net/socket.c:2767)
[  390.989367][ T1970]  ? copy_msghdr_from_user (net/socket.c:2619)
[  390.989372][ T1970]  __sys_sendmsg (net/socket.c:2799)
[  390.989373][ T1970]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  390.989376][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.989378][ T1970]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  390.989379][ T1970]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  390.989381][ T1970]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  390.989383][ T1970] RIP: 0033:0x7fdd6239754e
[  390.989385][ T1970] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  390.989386][ T1970] RSP: 002b:00007ffea312dc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  390.989390][ T1970] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdd6239754e
[  390.989391][ T1970] RDX: 0000000000000000 RSI: 00007ffea312dcc0 RDI: 0000000000000005
[  390.989392][ T1970] RBP: 00007ffea312dc20 R08: 0000000000000000 R09: 0000000000000000
[  390.989393][ T1970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b0d2


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__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