======================================
| [   10.337522][  T230] softirqs last disabled at (28289): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.337524][  T230] Preemption disabled at:
| [   10.337525][  T230] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.337534][  T230] Tainted: [W]=WARN
[   10.337535][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.337536][  T230] Call Trace:
[   10.337538][  T230]  <TASK>
[   10.337539][  T230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.337545][  T230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.337547][  T230]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.337551][  T230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.337555][  T230]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.337561][  T230]  __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))
[   10.337563][  T230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.337569][  T230]  ? 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)
[   10.337572][  T230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.337575][  T230]  put_chars (drivers/char/virtio_console.c:1176)
[   10.337578][  T230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.337579][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.337584][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.337586][  T230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.337590][  T230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.337593][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.337598][  T230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.337600][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.337605][  T230]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.337609][  T230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.337611][  T230]  ? 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))
[   10.337614][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.337616][  T230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.337620][  T230]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.337624][  T230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.337626][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.337631][  T230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.337634][  T230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.337636][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.337638][  T230]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.337641][  T230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.337643][  T230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.337646][  T230]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.337650][  T230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.337656][  T230]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.337659][  T230]  _printk (kernel/printk/printk.c:2504)
[   10.337663][  T230]  ? snapshot_read.cold (user.c:?)
[   10.337669][  T230]  ? 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)
[   10.337672][  T230] 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
[   10.337675][  T230]  do_one_initcall (init/main.c:1357)
[   10.337678][  T230]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.337683][  T230]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.337686][  T230]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.337690][  T230]  do_init_module (kernel/module/main.c:3117)
[   10.337694][  T230]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.337698][  T230]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.337701][  T230]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.337705][  T230]  load_module (kernel/module/main.c:3593)
[   10.337712][  T230]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.337716][  T230]  ? __ia32_sys_fsconfig (??:?)
[   10.337718][  T230]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.337722][  T230]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.337725][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.337729][  T230]  init_module_from_file (kernel/module/main.c:3790)
[   10.337732][  T230]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.337740][  T230]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.337744][  T230]  ? 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)
[   10.337747][  T230]  idempotent_init_module (kernel/module/main.c:3802)
[   10.337750][  T230]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.337756][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.337759][  T230]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.337764][  T230]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.337766][  T230]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.337770][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.337772][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.337774][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.337777][  T230] RIP: 0033:0x7f74ba90d37d
[   10.337780][  T230] 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
[   10.337781][  T230] RSP: 002b:00007ffce3253788 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.337784][  T230] RAX: ffffffffffffffda RBX: 0000557ee40d6810 RCX: 00007f74ba90d37d
[   10.337785][  T230] RDX: 0000000000000000 RSI: 0000557ee0507ffd RDI: 0000000000000000
[   10.337786][  T230] RBP: 00007ffce3253820 R08: 0000000000000000 R09: 0000000000000000
[   10.337787][  T230] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557ee0507ffd
[   10.337788][  T230] R13: 0000557ee40d6960 R14: 0000000000040000 R15: 0000000000000000
| [   11.368493][   T39] softirqs last disabled at (70136): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   11.368501][   T39] Preemption disabled at:
| [   11.368501][   T39] 0x0
| [   11.368511][   T39] Tainted: [W]=WARN
[   11.368512][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.368514][   T39] Workqueue: events_unbound linkwatch_event
[   11.368518][   T39] Call Trace:
[   11.368519][   T39]  <TASK>
[   11.368521][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.368527][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.368532][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.368536][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.368541][   T39]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.368543][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.368548][   T39]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.368551][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.368554][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   11.368557][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.368560][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.368564][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.368566][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.368570][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.368573][   T39]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.368574][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368576][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368580][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.368581][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.368585][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.368589][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.368593][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.368595][   T39]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.368598][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368601][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.368605][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.368609][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.368610][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368616][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.368618][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.368620][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368622][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.368626][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.368628][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.368631][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.368635][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.368638][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.368640][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.368644][   T39]  _printk (kernel/printk/printk.c:2504)
[   11.368648][   T39]  ? snapshot_read.cold (user.c:?)
[   11.368653][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.368657][   T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.368667][   T39] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.368676][   T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   11.368682][   T39] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   11.368691][   T39] br_device_event (net/bridge/br.c:101) bridge
[   11.368699][   T39]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   11.368701][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.368708][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   11.368713][   T39]  netif_state_change (net/core/dev.c:1625)
[   11.368718][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   11.368723][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.368725][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.368728][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.368730][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.368735][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.368737][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   11.368740][   T39]  process_one_work (kernel/workqueue.c:3387)
[   11.368746][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.368749][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.368757][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.368764][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.368766][   T39]  kthread (kernel/kthread.c:436)
[   11.368768][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.368770][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.368773][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.368777][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.368780][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.368784][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.368787][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.826305][  T658] softirqs last disabled at (11851): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.826308][  T658] Preemption disabled at:
| [   23.826308][  T658] 0x0
| [   23.826319][  T658] Tainted: [W]=WARN
[   23.826320][  T658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.826321][  T658] Call Trace:
[   23.826323][  T658]  <TASK>
[   23.826324][  T658]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.826330][  T658]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.826335][  T658]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.826339][  T658]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.826344][  T658]  __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))
[   23.826346][  T658]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.826352][  T658]  ? 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)
[   23.826355][  T658]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.826358][  T658]  put_chars (drivers/char/virtio_console.c:1176)
[   23.826360][  T658]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.826362][  T658]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.826366][  T658]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.826371][  T658]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.826377][  T658]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.826379][  T658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.826382][  T658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.826385][  T658]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.826389][  T658]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.826391][  T658]  ? 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))
[   23.826394][  T658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.826396][  T658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.826400][  T658]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.826404][  T658]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.826406][  T658]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.826410][  T658]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.826413][  T658]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.826415][  T658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.826417][  T658]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.826421][  T658]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.826423][  T658]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.826426][  T658]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.826429][  T658]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.826433][  T658]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.826436][  T658]  _printk (kernel/printk/printk.c:2504)
[   23.826440][  T658]  ? snapshot_read.cold (user.c:?)
[   23.826443][  T658]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   23.826449][  T658]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.826453][  T658]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   23.826455][  T658]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   23.826459][  T658]  ? exit_notify (kernel/exit.c:780)
[   23.826461][  T658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.826463][  T658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.826468][  T658]  do_group_exit (kernel/exit.c:1151)
[   23.826470][  T658]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.826472][  T658]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   23.826474][  T658]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.826477][  T658]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.826480][  T658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.826483][  T658] RIP: 0033:0x7f0f284961b8
[   23.826485][  T658] Code: Unable to access opcode bytes at 0x7f0f2849618e.

Code starting with the faulting instruction
===========================================
[   23.826486][  T658] RSP: 002b:00007ffca8b66d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.826489][  T658] RAX: ffffffffffffffda RBX: 00007f0f285c6f88 RCX: 00007f0f284961b8
[   23.826490][  T658] RDX: 00007f0f282baa48 RSI: ffffffffffffffb0 RDI: 0000000000000000
[   23.826491][  T658] RBP: 00007ffca8b66dd0 R08: 00000000ffffffff R09: 0000000000000020
[   23.826491][  T658] R10: 00007ffca8b66bf0 R11: 0000000000000246 R12: 0000000000000004
[   23.826492][  T658] R13: 0000000000000000 R14: 00007f0f285c5680 R15: 00007f0f285c6fa0
| [   26.511297][    C3] softirqs last disabled at (1064125): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.511299][    C3] Preemption disabled at:
| [   26.511300][    C3] 0x0
| [   26.511310][    C3] Tainted: [W]=WARN
[   26.511310][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.511312][    C3] Call Trace:
[   26.511314][    C3]  <IRQ>
[   26.511316][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.511321][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.511325][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.511329][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.511332][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.511335][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511337][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.511340][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.511343][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.511347][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.511348][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.511350][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   26.511352][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.511354][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.511357][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.511361][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.511362][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511364][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.511366][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.511369][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.511371][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511372][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511374][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.511376][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.511378][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.511380][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.511383][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.511384][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.511386][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.511388][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511389][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.511391][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.511393][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.511394][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.511396][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.511399][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.511401][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.511413][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.511414][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.511421][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.511427][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.511430][    C3]  _printk (kernel/printk/printk.c:2504)
[   26.511434][    C3]  ? snapshot_read.cold (user.c:?)
[   26.511435][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.511439][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.511442][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.511443][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.511446][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.511449][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.511453][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.511455][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.511457][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.511459][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.511466][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511468][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.511469][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.511476][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.511477][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.511484][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.511490][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.511498][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   26.511501][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.511502][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.511506][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.511508][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.511509][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511512][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.511514][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.511521][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.511522][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.511525][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.511528][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.511530][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.511531][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.511533][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511535][    C3]  handle_softirqs (kernel/softirq.c:645)
[   26.511537][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.511539][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.511541][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.511542][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   26.511544][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.511547][    C3]  </IRQ>
[   26.511547][    C3]  <TASK>
[   26.511548][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.511550][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.511552][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.511555][    C3] 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
[   26.511556][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   26.511560][    C3] RAX: 0000000000103cbb RBX: ff11000001c88040 RCX: ffffffffaecf0307
[   26.511561][    C3] RDX: ff11000001c88040 RSI: ffffffffb1a38af6 RDI: ffffffffb148d8e0
[   26.511562][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.511563][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   26.511563][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.511565][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.511568][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.511570][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   26.511572][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.511573][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   26.511575][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.511577][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.511579][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.511581][    C3]  do_idle (kernel/sched/idle.c:355)
[   26.511582][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.511584][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.511586][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.511588][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.569861][    C3]
| [   26.569931][    C3]
| [   26.569931][    C3] stack backtrace:
| [   26.570161][    C3] Tainted: [W]=WARN
[   26.570162][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.570163][    C3] Call Trace:
[   26.570165][    C3]  <IRQ>
[   26.570167][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.570171][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.570175][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.570178][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.570180][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.570181][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.570184][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.570185][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.570193][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.570196][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.570198][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.570204][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.570205][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.570212][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.570218][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.570224][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   26.570226][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.570228][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.570231][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.570233][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.570235][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.570237][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.570239][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.570246][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.570247][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.570250][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.570252][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.570254][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.570256][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.570258][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.570260][    C3]  handle_softirqs (kernel/softirq.c:645)
[   26.570262][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.570264][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.570266][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.570267][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   26.570268][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.570270][    C3]  </IRQ>
[   26.570271][    C3]  <TASK>
[   26.570271][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.570273][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.570275][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.570277][    C3] 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
[   26.570279][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   26.570282][    C3] RAX: 0000000000103cbb RBX: ff11000001c88040 RCX: ffffffffaecf0307
[   26.570283][    C3] RDX: ff11000001c88040 RSI: ffffffffb1a38af6 RDI: ffffffffb148d8e0
[   26.570284][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.570286][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   26.570286][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.570288][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.570290][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.570292][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   26.570293][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.570295][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   26.570297][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.570298][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.570299][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.570301][    C3]  do_idle (kernel/sched/idle.c:355)
[   26.570303][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.570304][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.570306][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.570308][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   50.119972][ T2057] softirqs last disabled at (0): 0x0
| [   50.119974][ T2057] Preemption disabled at:
| [   50.119975][ T2057] 0x0
| [   50.119983][ T2057] Tainted: [W]=WARN
[   50.119984][ T2057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.119985][ T2057] Call Trace:
[   50.119987][ T2057]  <TASK>
[   50.119988][ T2057]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.119994][ T2057]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.119998][ T2057]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.120001][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120005][ T2057]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.120009][ T2057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   50.120011][ T2057]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.120015][ T2057]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.120017][ T2057]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.120019][ T2057]  put_chars (drivers/char/virtio_console.c:1176)
[   50.120020][ T2057]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.120022][ T2057]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   50.120025][ T2057]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.120028][ T2057]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.120031][ T2057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   50.120032][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120034][ T2057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.120036][ T2057]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.120038][ T2057]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.120040][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120042][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120043][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120045][ T2057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.120047][ T2057]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   50.120048][ T2057]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.120051][ T2057]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.120053][ T2057]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.120055][ T2057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.120056][ T2057]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.120058][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120059][ T2057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.120061][ T2057]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.120062][ T2057]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   50.120064][ T2057]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.120066][ T2057]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.120068][ T2057]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.120070][ T2057]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.120072][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120073][ T2057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.120076][ T2057]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   50.120077][ T2057]  _printk (kernel/printk/printk.c:2504)
[   50.120080][ T2057]  ? snapshot_read.cold (user.c:?)
[   50.120082][ T2057]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   50.120087][ T2057] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   50.120099][ T2057] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   50.120107][ T2057] br_device_event (net/bridge/br.c:111) bridge
[   50.120115][ T2057]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   50.120118][ T2057]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   50.120120][ T2057]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   50.120123][ T2057]  notifier_call_chain (kernel/notifier.c:85)
[   50.120126][ T2057]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   50.120130][ T2057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.120131][ T2057]  ? netif_change_name (net/core/dev.c:1517)
[   50.120133][ T2057]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   50.120135][ T2057]  ? __kernel_text_address (kernel/extable.c:79)
[   50.120137][ T2057]  ? write_profile (profile.c:?)
[   50.120139][ T2057]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.120142][ T2057]  netif_change_flags (net/core/dev.c:9882)
[   50.120144][ T2057]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   50.120147][ T2057]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.120149][ T2057]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.120150][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120151][ T2057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.120155][ T2057]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.120158][ T2057]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.120159][ T2057]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.120160][ T2057]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.120162][ T2057]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   50.120163][ T2057]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   50.120164][ T2057]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.120165][ T2057]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.120168][ T2057]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.120169][ T2057]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.120170][ T2057]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.120173][ T2057]  ? ___sys_sendmsg (net/socket.c:2767)
[   50.120174][ T2057]  ? __sys_sendmsg (net/socket.c:2799)
[   50.120176][ T2057]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.120178][ T2057]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.120180][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120182][ T2057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.120183][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120185][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120187][ T2057]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.120190][ T2057]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   50.120191][ T2057]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.120192][ T2057]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.120194][ T2057]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.120196][ T2057]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.120198][ T2057]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.120200][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120202][ T2057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.120203][ T2057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.120204][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120206][ T2057]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   50.120212][ T2057]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.120214][ T2057]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.120215][ T2057]  ? __kernel_text_address (kernel/extable.c:79)
[   50.120216][ T2057]  ? write_profile (profile.c:?)
[   50.120217][ T2057]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.120219][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120220][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120222][ T2057]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   50.120225][ T2057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.120227][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120229][ T2057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.120230][ T2057]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.120231][ T2057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.120233][ T2057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.120234][ T2057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.120236][ T2057]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.120238][ T2057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.120239][ T2057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.120241][ T2057]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.120242][ T2057]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   50.120244][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120246][ T2057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.120248][ T2057]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.120250][ T2057]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.120251][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120253][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120255][ T2057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.120256][ T2057]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.120258][ T2057]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.120260][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120262][ T2057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.120264][ T2057]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.120265][ T2057]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.120267][ T2057]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.120268][ T2057]  ? move_addr_to_kernel (net/socket.c:258)
[   50.120270][ T2057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.120272][ T2057]  ___sys_sendmsg (net/socket.c:2767)
[   50.120274][ T2057]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.120279][ T2057]  __sys_sendmsg (net/socket.c:2799)
[   50.120281][ T2057]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.120283][ T2057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.120285][ T2057]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.120287][ T2057]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.120289][ T2057]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.120290][ T2057] RIP: 0033:0x7f9ee3adc54e
[   50.120292][ T2057] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.120294][ T2057] RSP: 002b:00007fffca6eb540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.120297][ T2057] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9ee3adc54e
[   50.120299][ T2057] RDX: 0000000000000000 RSI: 00007fffca6eb5f0 RDI: 0000000000000005
[   50.120299][ T2057] RBP: 00007fffca6eb550 R08: 0000000000000000 R09: 0000000000000000
[   50.120300][ T2057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afff
[   50.120301][ T2057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffca6ebcb0
| [   87.468191][ T3880] softirqs last disabled at (0): 0x0
| [   87.468193][ T3880] Preemption disabled at:
| [   87.468194][ T3880] 0x0
| [   87.468202][ T3880] Tainted: [W]=WARN
[   87.468203][ T3880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.468204][ T3880] Call Trace:
[   87.468206][ T3880]  <TASK>
[   87.468207][ T3880]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.468215][ T3880]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.468218][ T3880]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.468222][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468226][ T3880]  __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))
[   87.468230][ T3880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.468233][ T3880]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.468237][ T3880]  ? 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)
[   87.468239][ T3880]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.468241][ T3880]  put_chars (drivers/char/virtio_console.c:1176)
[   87.468243][ T3880]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.468244][ T3880]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   87.468248][ T3880]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.468251][ T3880]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.468253][ T3880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.468255][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468257][ T3880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.468259][ T3880]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.468261][ T3880]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.468263][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468265][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468267][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468268][ T3880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.468270][ T3880]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   87.468272][ T3880]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.468274][ T3880]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.468277][ T3880]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.468279][ T3880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.468280][ T3880]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.468282][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468283][ T3880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.468285][ T3880]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   87.468286][ T3880]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   87.468288][ T3880]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.468290][ T3880]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.468292][ T3880]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.468295][ T3880]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.468297][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468298][ T3880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.468301][ T3880]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   87.468302][ T3880]  _printk (kernel/printk/printk.c:2504)
[   87.468305][ T3880]  ? snapshot_read.cold (user.c:?)
[   87.468308][ T3880]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   87.468312][ T3880] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   87.468325][ T3880] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   87.468333][ T3880] br_device_event (net/bridge/br.c:111) bridge
[   87.468342][ T3880]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   87.468345][ T3880]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   87.468347][ T3880]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   87.468351][ T3880]  notifier_call_chain (kernel/notifier.c:85)
[   87.468354][ T3880]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   87.468358][ T3880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.468360][ T3880]  ? netif_change_name (net/core/dev.c:1517)
[   87.468362][ T3880]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   87.468364][ T3880]  ? __kernel_text_address (kernel/extable.c:79)
[   87.468366][ T3880]  ? write_profile (profile.c:?)
[   87.468368][ T3880]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   87.468371][ T3880]  netif_change_flags (net/core/dev.c:9882)
[   87.468373][ T3880]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   87.468376][ T3880]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   87.468378][ T3880]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   87.468379][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468380][ T3880]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.468385][ T3880]  ? kasan_save_stack (mm/kasan/common.c:58)
[   87.468387][ T3880]  ? kasan_save_stack (mm/kasan/common.c:57)
[   87.468389][ T3880]  ? kasan_save_track (mm/kasan/common.c:78)
[   87.468390][ T3880]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.468392][ T3880]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   87.468393][ T3880]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   87.468394][ T3880]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.468396][ T3880]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.468398][ T3880]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.468399][ T3880]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.468401][ T3880]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   87.468403][ T3880]  ? ___sys_sendmsg (net/socket.c:2767)
[   87.468405][ T3880]  ? __sys_sendmsg (net/socket.c:2799)
[   87.468406][ T3880]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.468408][ T3880]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.468411][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468413][ T3880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.468414][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468416][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468417][ T3880]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   87.468421][ T3880]  ? __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)
[   87.468422][ T3880]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   87.468423][ T3880]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   87.468425][ T3880]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   87.468427][ T3880]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   87.468429][ T3880]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   87.468431][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468433][ T3880]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.468434][ T3880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.468435][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468437][ T3880]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   87.468441][ T3880]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   87.468442][ T3880]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   87.468444][ T3880]  ? __kernel_text_address (kernel/extable.c:79)
[   87.468445][ T3880]  ? write_profile (profile.c:?)
[   87.468446][ T3880]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   87.468447][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468449][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468451][ T3880]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   87.468454][ T3880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.468456][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468457][ T3880]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.468459][ T3880]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.468460][ T3880]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.468462][ T3880]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.468463][ T3880]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.468465][ T3880]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.468467][ T3880]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.468468][ T3880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.468470][ T3880]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.468471][ T3880]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   87.468473][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468475][ T3880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.468477][ T3880]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.468479][ T3880]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.468481][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468482][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468484][ T3880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.468486][ T3880]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.468488][ T3880]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.468490][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468491][ T3880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.468493][ T3880]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   87.468495][ T3880]  ? copy_msghdr_from_user (net/socket.c:2650)
[   87.468497][ T3880]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   87.468498][ T3880]  ? move_addr_to_kernel (net/socket.c:258)
[   87.468499][ T3880]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.468502][ T3880]  ___sys_sendmsg (net/socket.c:2767)
[   87.468504][ T3880]  ? copy_msghdr_from_user (net/socket.c:2619)
[   87.468509][ T3880]  __sys_sendmsg (net/socket.c:2799)
[   87.468510][ T3880]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   87.468513][ T3880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.468515][ T3880]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.468516][ T3880]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.468519][ T3880]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.468520][ T3880] RIP: 0033:0x7f057281354e
[   87.468522][ T3880] 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
[   87.468524][ T3880] RSP: 002b:00007ffe5eeec640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.468528][ T3880] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f057281354e
[   87.468529][ T3880] RDX: 0000000000000000 RSI: 00007ffe5eeec6f0 RDI: 0000000000000005
[   87.468530][ T3880] RBP: 00007ffe5eeec650 R08: 0000000000000000 R09: 0000000000000000
[   87.468531][ T3880] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b024
[   87.468532][ T3880] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5eeecdb0
| [  160.676369][ T7759] softirqs last disabled at (0): 0x0
| [  160.676371][ T7759] Preemption disabled at:
| [  160.676372][ T7759] 0x0
| [  160.676380][ T7759] Tainted: [W]=WARN
[  160.676381][ T7759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.676382][ T7759] Call Trace:
[  160.676384][ T7759]  <TASK>
[  160.676385][ T7759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.676391][ T7759]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.676395][ T7759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.676398][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676402][ T7759]  __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))
[  160.676405][ T7759]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.676408][ T7759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.676412][ T7759]  ? 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)
[  160.676413][ T7759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.676415][ T7759]  put_chars (drivers/char/virtio_console.c:1176)
[  160.676417][ T7759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.676419][ T7759]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  160.676422][ T7759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.676425][ T7759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.676427][ T7759]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.676429][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676430][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.676432][ T7759]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.676435][ T7759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.676437][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676438][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676440][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676442][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.676443][ T7759]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  160.676445][ T7759]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.676447][ T7759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.676450][ T7759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.676451][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.676453][ T7759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.676454][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676456][ T7759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.676457][ T7759]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  160.676459][ T7759]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  160.676461][ T7759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.676463][ T7759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.676465][ T7759]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.676467][ T7759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.676469][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676471][ T7759]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  160.676473][ T7759]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  160.676475][ T7759]  _printk (kernel/printk/printk.c:2504)
[  160.676478][ T7759]  ? snapshot_read.cold (user.c:?)
[  160.676480][ T7759]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  160.676484][ T7759] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  160.676497][ T7759] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  160.676505][ T7759] br_device_event (net/bridge/br.c:111) bridge
[  160.676514][ T7759]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  160.676517][ T7759]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  160.676519][ T7759]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  160.676522][ T7759]  notifier_call_chain (kernel/notifier.c:85)
[  160.676525][ T7759]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  160.676529][ T7759]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  160.676530][ T7759]  ? netif_change_name (net/core/dev.c:1517)
[  160.676532][ T7759]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  160.676534][ T7759]  ? __kernel_text_address (kernel/extable.c:79)
[  160.676536][ T7759]  ? write_profile (profile.c:?)
[  160.676538][ T7759]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  160.676541][ T7759]  netif_change_flags (net/core/dev.c:9882)
[  160.676543][ T7759]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  160.676546][ T7759]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  160.676548][ T7759]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  160.676549][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676550][ T7759]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  160.676554][ T7759]  ? kasan_save_stack (mm/kasan/common.c:58)
[  160.676557][ T7759]  ? kasan_save_stack (mm/kasan/common.c:57)
[  160.676558][ T7759]  ? kasan_save_track (mm/kasan/common.c:78)
[  160.676560][ T7759]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  160.676561][ T7759]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  160.676562][ T7759]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  160.676564][ T7759]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.676565][ T7759]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.676567][ T7759]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.676569][ T7759]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.676570][ T7759]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  160.676572][ T7759]  ? ___sys_sendmsg (net/socket.c:2767)
[  160.676574][ T7759]  ? __sys_sendmsg (net/socket.c:2799)
[  160.676575][ T7759]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.676577][ T7759]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.676580][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676581][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.676583][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676584][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676586][ T7759]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  160.676589][ T7759]  ? __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)
[  160.676591][ T7759]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  160.676592][ T7759]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  160.676594][ T7759]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  160.676596][ T7759]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  160.676598][ T7759]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.676599][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676601][ T7759]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.676602][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.676604][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676605][ T7759]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  160.676609][ T7759]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  160.676610][ T7759]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  160.676611][ T7759]  ? __kernel_text_address (kernel/extable.c:79)
[  160.676613][ T7759]  ? write_profile (profile.c:?)
[  160.676614][ T7759]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  160.676615][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676617][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676618][ T7759]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  160.676622][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.676623][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676625][ T7759]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.676626][ T7759]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.676628][ T7759]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.676629][ T7759]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  160.676630][ T7759]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  160.676633][ T7759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.676634][ T7759]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.676635][ T7759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.676637][ T7759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.676638][ T7759]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  160.676640][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676642][ T7759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.676644][ T7759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.676646][ T7759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.676647][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676649][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676651][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.676652][ T7759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.676654][ T7759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.676656][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676658][ T7759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.676660][ T7759]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  160.676661][ T7759]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.676663][ T7759]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  160.676664][ T7759]  ? move_addr_to_kernel (net/socket.c:258)
[  160.676666][ T7759]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  160.676668][ T7759]  ___sys_sendmsg (net/socket.c:2767)
[  160.676670][ T7759]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.676675][ T7759]  __sys_sendmsg (net/socket.c:2799)
[  160.676677][ T7759]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.676679][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.676681][ T7759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.676682][ T7759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.676685][ T7759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.676686][ T7759] RIP: 0033:0x7f49d720754e
[  160.676688][ T7759] 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
[  160.676690][ T7759] RSP: 002b:00007ffc4c346420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.676693][ T7759] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f49d720754e
[  160.676695][ T7759] RDX: 0000000000000000 RSI: 00007ffc4c3464d0 RDI: 0000000000000005
[  160.676696][ T7759] RBP: 00007ffc4c346430 R08: 0000000000000000 R09: 0000000000000000
[  160.676696][ T7759] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b06e
[  160.676697][ T7759] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4c346b90
| [  166.336033][ T7809] softirqs last disabled at (0): 0x0
| [  166.336035][ T7809] Preemption disabled at:
| [  166.336036][ T7809] 0x0
| [  166.336044][ T7809] Tainted: [W]=WARN
[  166.336045][ T7809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  166.336046][ T7809] Call Trace:
[  166.336048][ T7809]  <TASK>
[  166.336049][ T7809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  166.336055][ T7809]  __might_resched.cold (kernel/sched/core.c:9234)
[  166.336059][ T7809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  166.336062][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336066][ T7809]  __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))
[  166.336070][ T7809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  166.336073][ T7809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  166.336076][ T7809]  ? 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)
[  166.336078][ T7809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  166.336080][ T7809]  put_chars (drivers/char/virtio_console.c:1176)
[  166.336081][ T7809]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  166.336083][ T7809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  166.336085][ T7809]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  166.336088][ T7809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  166.336091][ T7809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  166.336092][ T7809]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  166.336094][ T7809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  166.336095][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336097][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336099][ T7809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.336101][ T7809]  console_emit_next_record (kernel/printk/printk.c:3183)
[  166.336103][ T7809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  166.336105][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336107][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336108][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336110][ T7809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.336112][ T7809]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  166.336113][ T7809]  console_flush_one_record (kernel/printk/printk.c:3268)
[  166.336115][ T7809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  166.336118][ T7809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  166.336119][ T7809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.336121][ T7809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  166.336122][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336124][ T7809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.336125][ T7809]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  166.336127][ T7809]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  166.336129][ T7809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  166.336130][ T7809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  166.336132][ T7809]  vprintk_emit (kernel/printk/printk.c:2479)
[  166.336136][ T7809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  166.336138][ T7809]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[  166.336141][ T7809]  ? debug_object_activate (lib/debugobjects.c:884)
[  166.336143][ T7809]  _printk (kernel/printk/printk.c:2504)
[  166.336147][ T7809]  ? snapshot_read.cold (user.c:?)
[  166.336149][ T7809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  166.336150][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336152][ T7809]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  166.336155][ T7809] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  166.336168][ T7809] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  166.336176][ T7809] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[  166.336182][ T7809] br_dev_stop (net/bridge/br_device.c:193) bridge
[  166.336190][ T7809]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  166.336193][ T7809]  __dev_close_many (net/core/dev.c:1798)
[  166.336196][ T7809]  ? netif_open (net/core/dev.c:1755)
[  166.336198][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336200][ T7809]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  166.336201][ T7809]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[  166.336204][ T7809]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  166.336206][ T7809]  ? __kernel_text_address (kernel/extable.c:79)
[  166.336207][ T7809]  ? write_profile (profile.c:?)
[  166.336212][ T7809]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  166.336215][ T7809]  netif_change_flags (net/core/dev.c:9877)
[  166.336217][ T7809]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  166.336220][ T7809]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  166.336221][ T7809]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  166.336222][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336224][ T7809]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  166.336227][ T7809]  ? kasan_save_stack (mm/kasan/common.c:58)
[  166.336230][ T7809]  ? kasan_save_stack (mm/kasan/common.c:57)
[  166.336231][ T7809]  ? kasan_save_track (mm/kasan/common.c:78)
[  166.336233][ T7809]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  166.336234][ T7809]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  166.336235][ T7809]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  166.336236][ T7809]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  166.336238][ T7809]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  166.336240][ T7809]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  166.336241][ T7809]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  166.336243][ T7809]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  166.336245][ T7809]  ? ___sys_sendmsg (net/socket.c:2767)
[  166.336247][ T7809]  ? __sys_sendmsg (net/socket.c:2799)
[  166.336248][ T7809]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  166.336251][ T7809]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  166.336253][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336255][ T7809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.336256][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336258][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336260][ T7809]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  166.336263][ T7809]  ? __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)
[  166.336265][ T7809]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  166.336266][ T7809]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  166.336268][ T7809]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  166.336270][ T7809]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  166.336272][ T7809]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  166.336274][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336275][ T7809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  166.336277][ T7809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.336278][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336280][ T7809]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  166.336283][ T7809]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  166.336285][ T7809]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  166.336286][ T7809]  ? __kernel_text_address (kernel/extable.c:79)
[  166.336287][ T7809]  ? write_profile (profile.c:?)
[  166.336288][ T7809]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  166.336290][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336291][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336293][ T7809]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  166.336296][ T7809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.336297][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336299][ T7809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  166.336300][ T7809]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  166.336302][ T7809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  166.336303][ T7809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  166.336304][ T7809]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  166.336307][ T7809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  166.336308][ T7809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  166.336309][ T7809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.336311][ T7809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  166.336312][ T7809]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  166.336314][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336316][ T7809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.336318][ T7809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  166.336320][ T7809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  166.336321][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336323][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336325][ T7809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.336326][ T7809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  166.336328][ T7809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  166.336330][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336332][ T7809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.336334][ T7809]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  166.336335][ T7809]  ? copy_msghdr_from_user (net/socket.c:2650)
[  166.336337][ T7809]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  166.336338][ T7809]  ? move_addr_to_kernel (net/socket.c:258)
[  166.336340][ T7809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  166.336342][ T7809]  ___sys_sendmsg (net/socket.c:2767)
[  166.336344][ T7809]  ? copy_msghdr_from_user (net/socket.c:2619)
[  166.336348][ T7809]  __sys_sendmsg (net/socket.c:2799)
[  166.336350][ T7809]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  166.336353][ T7809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.336355][ T7809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  166.336356][ T7809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  166.336358][ T7809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  166.336360][ T7809] RIP: 0033:0x7f03934be54e
[  166.336361][ T7809] 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
[  166.336363][ T7809] RSP: 002b:00007ffca4109790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  166.336367][ T7809] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f03934be54e
[  166.336368][ T7809] RDX: 0000000000000000 RSI: 00007ffca4109840 RDI: 0000000000000005
[  166.336369][ T7809] RBP: 00007ffca41097a0 R08: 0000000000000000 R09: 0000000000000000
[  166.336370][ T7809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b073


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
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print