======================================
| [   10.323509][  T186] softirqs last disabled at (35341): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.323512][  T186] Preemption disabled at:
| [   10.323513][  T186] 0x0
| [   10.323527][  T186] Tainted: [W]=WARN
[   10.323528][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.323530][  T186] Call Trace:
[   10.323533][  T186]  <TASK>
[   10.323535][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.323543][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.323549][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.323555][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.323563][  T186]  __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))
[   10.323566][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.323575][  T186]  ? 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)
[   10.323579][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.323584][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   10.323588][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.323591][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.323598][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.323607][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.323617][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.323621][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.323624][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.323632][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.323638][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.323641][  T186]  ? 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))
[   10.323646][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.323650][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.323657][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.323664][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.323666][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.323676][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.323681][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.323683][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.323687][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.323694][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.323696][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.323702][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.323708][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.323714][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.323721][  T186]  _printk (kernel/printk/printk.c:2504)
[   10.323726][  T186]  ? snapshot_read.cold (user.c:?)
[   10.323731][  T186]  ? 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)
[   10.323735][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.323742][  T186]  ? 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)
[   10.323746][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.323751][  T186]  ? exit_notify (kernel/exit.c:780)
[   10.323754][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.323759][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.323767][  T186]  do_group_exit (kernel/exit.c:1151)
[   10.323772][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.323774][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.323778][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.323782][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.323787][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.323790][  T186] RIP: 0033:0x7f3d8dddd1b8
[   10.323793][  T186] Code: Unable to access opcode bytes at 0x7f3d8dddd18e.

Code starting with the faulting instruction
===========================================
[   10.323795][  T186] RSP: 002b:00007ffc0202d3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.323798][  T186] RAX: ffffffffffffffda RBX: 00007f3d8df0df88 RCX: 00007f3d8dddd1b8
[   10.323800][  T186] RDX: 00007f3d8db27fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.323802][  T186] RBP: 00007ffc0202d450 R08: 0000000000000000 R09: 0000000000008010
[   10.323803][  T186] R10: 00007ffc0202d210 R11: 0000000000000246 R12: 0000000000000001
[   10.323805][  T186] R13: 0000000000000000 R14: 00007f3d8df0c680 R15: 00007f3d8df0dfa0
| [   11.802077][  T237] softirqs last disabled at (20029): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.802080][  T237] Preemption disabled at:
| [   11.802080][  T237] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.802091][  T237] Tainted: [W]=WARN
[   11.802092][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.802094][  T237] Call Trace:
[   11.802096][  T237]  <TASK>
[   11.802097][  T237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.802103][  T237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.802105][  T237]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.802109][  T237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.802114][  T237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.802119][  T237]  __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))
[   11.802121][  T237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.802127][  T237]  ? 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)
[   11.802129][  T237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.802133][  T237]  put_chars (drivers/char/virtio_console.c:1176)
[   11.802136][  T237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.802137][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.802142][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.802144][  T237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.802149][  T237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.802151][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.802156][  T237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.802159][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.802164][  T237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.802168][  T237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.802170][  T237]  ? 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))
[   11.802175][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.802177][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.802181][  T237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.802185][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.802187][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.802192][  T237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.802195][  T237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.802197][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.802199][  T237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.802203][  T237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.802204][  T237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.802208][  T237]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.802212][  T237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.802217][  T237]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.802222][  T237]  _printk (kernel/printk/printk.c:2504)
[   11.802226][  T237]  ? snapshot_read.cold (user.c:?)
[   11.802232][  T237]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.802235][  T237] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.802239][  T237]  do_one_initcall (init/main.c:1357)
[   11.802241][  T237]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.802246][  T237]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.802249][  T237]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.802254][  T237]  do_init_module (kernel/module/main.c:3117)
[   11.802257][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.802262][  T237]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.802265][  T237]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.802269][  T237]  load_module (kernel/module/main.c:3593)
[   11.802276][  T237]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.802280][  T237]  ? __ia32_sys_fsconfig (??:?)
[   11.802283][  T237]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.802287][  T237]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.802290][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.802294][  T237]  init_module_from_file (kernel/module/main.c:3790)
[   11.802297][  T237]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.802305][  T237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.802308][  T237]  ? 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)
[   11.802312][  T237]  idempotent_init_module (kernel/module/main.c:3802)
[   11.802315][  T237]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.802321][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.802324][  T237]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.802330][  T237]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.802332][  T237]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.802335][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.802337][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.802340][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.802342][  T237] RIP: 0033:0x7f730443137d
[   11.802346][  T237] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.802348][  T237] RSP: 002b:00007ffe837f8138 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.802351][  T237] RAX: ffffffffffffffda RBX: 000055f71169a810 RCX: 00007f730443137d
[   11.802352][  T237] RDX: 0000000000000000 RSI: 000055f6eaafaffd RDI: 0000000000000000
[   11.802353][  T237] RBP: 00007ffe837f81d0 R08: 0000000000000000 R09: 0000000000000000
[   11.802354][  T237] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f6eaafaffd
[   11.802355][  T237] R13: 000055f71169a960 R14: 0000000000040000 R15: 0000000000000000
| [   13.259116][  T285] softirqs last disabled at (20216): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.259119][  T285] Preemption disabled at:
| [   13.259119][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.259130][  T285] Tainted: [W]=WARN
[   13.259131][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.259133][  T285] Call Trace:
[   13.259135][  T285]  <TASK>
[   13.259136][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.259143][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.259145][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.259150][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.259154][  T285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.259159][  T285]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.259162][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.259167][  T285]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.259170][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.259176][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   13.259179][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.259183][  T285]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.259187][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.259190][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.259192][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.259193][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.259197][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.259199][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.259202][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.259207][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.259211][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.259214][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.259216][  T285]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.259220][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.259222][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.259226][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.259230][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.259232][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.259238][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.259240][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.259242][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.259245][  T285]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.259248][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.259250][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.259254][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.259258][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.259260][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.259262][  T285]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.259266][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.259270][  T285]  _printk (kernel/printk/printk.c:2504)
[   13.259273][  T285]  ? snapshot_read.cold (user.c:?)
[   13.259277][  T285]  ? br_multicast_flood (??:?) bridge
[   13.259291][  T285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.259292][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.259293][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.259298][  T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.259308][  T285] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.259317][  T285] new_nbp (net/bridge/br_if.c:449) bridge
[   13.259326][  T285] br_add_if (net/bridge/br_if.c:592) bridge
[   13.259334][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.259338][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.259341][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   13.259345][  T285]  do_set_master (net/core/rtnetlink.c:3071)
[   13.259350][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.259353][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.259356][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.259358][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.259360][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.259364][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.259367][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.259368][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.259371][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.259374][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.259376][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.259379][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.259381][  T285]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.259384][  T285]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.259388][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.259390][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.259393][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.259395][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.259397][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.259399][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.259401][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.259405][  T285]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.259407][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.259409][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.259412][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.259414][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.259419][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.259424][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.259429][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.259431][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.259436][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.259438][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.259440][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.259442][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.259445][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.259447][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.259451][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.259452][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.259456][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.259458][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.259462][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.259464][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.259467][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.259473][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.259474][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.259478][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.259482][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.259485][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.259489][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.259493][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.259497][  T285]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.259502][  T285]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.259504][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.259507][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.259508][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   13.259516][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   13.259518][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.259534][  T285]  __sys_sendmsg (net/socket.c:2799)
[   13.259537][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.259543][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.259547][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.259550][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.259553][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.259555][  T285] RIP: 0033:0x7f3a63ba354e
[   13.259559][  T285] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.259560][  T285] RSP: 002b:00007fff49274bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.259563][  T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a63ba354e
[   13.259565][  T285] RDX: 0000000000000000 RSI: 00007fff49274c60 RDI: 0000000000000005
[   13.259566][  T285] RBP: 00007fff49274bc0 R08: 0000000000000000 R09: 0000000000000000
[   13.259567][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e617
[   13.259568][  T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff49275320
| [   15.456781][  T345] softirqs last disabled at (11734): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.456785][  T345] Preemption disabled at:
| [   15.456785][  T345] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.456798][  T345] Tainted: [W]=WARN
[   15.456799][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.456802][  T345] Call Trace:
[   15.456804][  T345]  <TASK>
[   15.456806][  T345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.456813][  T345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.456817][  T345]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.456823][  T345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.456834][  T345]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.456842][  T345]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.456845][  T345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.456854][  T345]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.456857][  T345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.456862][  T345]  put_chars (drivers/char/virtio_console.c:1176)
[   15.456865][  T345]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.456869][  T345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.456875][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.456880][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.456884][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.456890][  T345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.456894][  T345]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.456897][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.456900][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.456906][  T345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.456910][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.456915][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.456919][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.456926][  T345]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.456932][  T345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.456935][  T345]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.456940][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.456944][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.456951][  T345]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.456958][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.456961][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.456970][  T345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.456975][  T345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.456978][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.456981][  T345]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.456988][  T345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.456990][  T345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.456996][  T345]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.457003][  T345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.457007][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.457011][  T345]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.457017][  T345]  _printk (kernel/printk/printk.c:2504)
[   15.457022][  T345]  ? snapshot_read.cold (user.c:?)
[   15.457029][  T345]  ? br_multicast_flood (??:?) bridge
[   15.457047][  T345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.457049][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.457051][  T345]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.457060][  T345] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.457077][  T345] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.457094][  T345] new_nbp (net/bridge/br_if.c:449) bridge
[   15.457110][  T345] br_add_if (net/bridge/br_if.c:592) bridge
[   15.457122][  T345]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.457128][  T345]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.457132][  T345]  ? __kernel_text_address (kernel/extable.c:79)
[   15.457139][  T345]  do_set_master (net/core/rtnetlink.c:3071)
[   15.457147][  T345]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.457152][  T345]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.457157][  T345]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.457159][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.457162][  T345]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.457167][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.457173][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.457176][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.457181][  T345]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.457185][  T345]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.457187][  T345]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.457192][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.457195][  T345]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.457199][  T345]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.457206][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.457209][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.457214][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.457218][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.457220][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.457223][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.457226][  T345]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.457232][  T345]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.457236][  T345]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.457239][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.457246][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.457248][  T345]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.457257][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.457267][  T345]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.457277][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.457280][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.457288][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.457291][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.457295][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.457298][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.457305][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.457308][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.457314][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.457316][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.457324][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.457327][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.457333][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.457336][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.457341][  T345]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.457352][  T345]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.457355][  T345]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.457363][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.457369][  T345]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.457374][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.457381][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.457388][  T345]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.457395][  T345]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.457404][  T345]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.457408][  T345]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.457411][  T345]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.457414][  T345]  ? move_addr_to_kernel (net/socket.c:258)
[   15.457427][  T345]  ___sys_sendmsg (net/socket.c:2767)
[   15.457432][  T345]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.457462][  T345]  __sys_sendmsg (net/socket.c:2799)
[   15.457467][  T345]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.457478][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.457485][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.457488][  T345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.457493][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.457496][  T345] RIP: 0033:0x7fca82fdb54e
[   15.457502][  T345] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.457504][  T345] RSP: 002b:00007ffdc82d4060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.457508][  T345] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fca82fdb54e
[   15.457510][  T345] RDX: 0000000000000000 RSI: 00007ffdc82d4110 RDI: 0000000000000005
[   15.457511][  T345] RBP: 00007ffdc82d4070 R08: 0000000000000000 R09: 0000000000000000
[   15.457513][  T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e619
[   15.457514][  T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc82d47d0
| [   16.537772][   T36] softirqs last disabled at (152696): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   16.537780][   T36] Preemption disabled at:
| [   16.537781][   T36] 0x0
| [   16.537791][   T36] Tainted: [W]=WARN
[   16.537792][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.537794][   T36] Workqueue: events_unbound linkwatch_event
[   16.537797][   T36] Call Trace:
[   16.537799][   T36]  <TASK>
[   16.537801][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.537808][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.537813][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.537817][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.537822][   T36]  __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))
[   16.537825][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.537835][   T36]  ? 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)
[   16.537838][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.537842][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   16.537844][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.537847][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.537852][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.537855][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.537859][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.537861][   T36]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.537863][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.537865][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.537869][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.537871][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.537875][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.537880][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.537884][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.537885][   T36]  ? 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))
[   16.537889][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.537891][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.537895][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.537900][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.537902][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.537907][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.537910][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.537912][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.537914][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.537918][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.537920][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.537923][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.537928][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.537931][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.537933][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.537937][   T36]  _printk (kernel/printk/printk.c:2504)
[   16.537941][   T36]  ? snapshot_read.cold (user.c:?)
[   16.537947][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.537951][   T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.537961][   T36] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.537970][   T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   16.537977][   T36] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   16.537986][   T36] br_device_event (net/bridge/br.c:101) bridge
[   16.537995][   T36]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   16.537997][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   16.538005][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   16.538011][   T36]  netif_state_change (net/core/dev.c:1625)
[   16.538015][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   16.538020][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.538022][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.538026][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.538028][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.538033][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.538035][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   16.538039][   T36]  process_one_work (kernel/workqueue.c:3387)
[   16.538045][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   16.538048][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.538056][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   16.538064][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.538066][   T36]  kthread (kernel/kthread.c:436)
[   16.538068][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.538071][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.538074][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.538078][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   16.538082][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.538085][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.538088][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.585419][  T399] softirqs last disabled at (11000): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.585422][  T399] Preemption disabled at:
| [   17.585422][  T399] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.585432][  T399] Tainted: [W]=WARN
[   17.585433][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.585435][  T399] Call Trace:
[   17.585437][  T399]  <TASK>
[   17.585439][  T399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.585445][  T399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.585447][  T399]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.585452][  T399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.585456][  T399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.585461][  T399]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.585463][  T399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.585469][  T399]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.585472][  T399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.585475][  T399]  put_chars (drivers/char/virtio_console.c:1176)
[   17.585477][  T399]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.585479][  T399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.585482][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.585486][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.585489][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.585492][  T399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.585495][  T399]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.585497][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.585499][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.585503][  T399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.585505][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.585508][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.585510][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.585514][  T399]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.585518][  T399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.585520][  T399]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.585523][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.585525][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.585529][  T399]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.585533][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.585535][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.585540][  T399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.585543][  T399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.585545][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.585547][  T399]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.585551][  T399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.585553][  T399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.585556][  T399]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.585560][  T399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.585563][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.585565][  T399]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.585569][  T399]  _printk (kernel/printk/printk.c:2504)
[   17.585573][  T399]  ? snapshot_read.cold (user.c:?)
[   17.585577][  T399]  ? br_multicast_flood (??:?) bridge
[   17.585589][  T399]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.585591][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.585592][  T399]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.585597][  T399] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.585607][  T399] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   17.585616][  T399] new_nbp (net/bridge/br_if.c:449) bridge
[   17.585625][  T399] br_add_if (net/bridge/br_if.c:592) bridge
[   17.585632][  T399]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   17.585637][  T399]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.585640][  T399]  ? __kernel_text_address (kernel/extable.c:79)
[   17.585643][  T399]  do_set_master (net/core/rtnetlink.c:3071)
[   17.585648][  T399]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.585651][  T399]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.585654][  T399]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.585656][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.585657][  T399]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.585661][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.585664][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.585665][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.585668][  T399]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.585671][  T399]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.585672][  T399]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.585675][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.585677][  T399]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   17.585680][  T399]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.585685][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.585687][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.585689][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.585691][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.585693][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.585695][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.585697][  T399]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.585701][  T399]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   17.585704][  T399]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.585706][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.585709][  T399]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.585711][  T399]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.585716][  T399]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.585721][  T399]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.585726][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.585728][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.585732][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.585734][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.585736][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.585738][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.585742][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.585744][  T399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.585747][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.585748][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.585752][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.585754][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.585758][  T399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.585759][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.585762][  T399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.585768][  T399]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.585770][  T399]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.585774][  T399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.585778][  T399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.585780][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.585784][  T399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.585788][  T399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.585792][  T399]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.585797][  T399]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.585799][  T399]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.585802][  T399]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.585803][  T399]  ? move_addr_to_kernel (net/socket.c:258)
[   17.585811][  T399]  ___sys_sendmsg (net/socket.c:2767)
[   17.585813][  T399]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.585829][  T399]  __sys_sendmsg (net/socket.c:2799)
[   17.585832][  T399]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.585843][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.585847][  T399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.585849][  T399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.585852][  T399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.585855][  T399] RIP: 0033:0x7f5fa1ab054e
[   17.585858][  T399] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.585860][  T399] RSP: 002b:00007ffde52c7b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.585863][  T399] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5fa1ab054e
[   17.585865][  T399] RDX: 0000000000000000 RSI: 00007ffde52c7c10 RDI: 0000000000000005
[   17.585865][  T399] RBP: 00007ffde52c7b70 R08: 0000000000000000 R09: 0000000000000000
[   17.585866][  T399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e61b
[   17.585867][  T399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde52c82d0
| [   28.552289][    C3] softirqs last disabled at (997515): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.552291][    C3] Preemption disabled at:
| [   28.552292][    C3] 0x0
| [   28.552304][    C3] Tainted: [W]=WARN
[   28.552305][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.552307][    C3] Call Trace:
[   28.552309][    C3]  <IRQ>
[   28.552312][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.552318][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.552321][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.552325][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.552327][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552331][    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))
[   28.552335][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.552338][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.552341][    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)
[   28.552343][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.552345][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   28.552347][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.552349][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.552352][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.552356][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.552357][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552359][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.552361][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.552364][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.552366][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552368][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552369][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.552371][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.552373][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.552375][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.552378][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.552380][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.552381][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.552383][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552385][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.552386][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.552388][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.552390][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.552392][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.552394][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.552396][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.552409][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.552410][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.552417][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.552423][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.552427][    C3]  _printk (kernel/printk/printk.c:2504)
[   28.552430][    C3]  ? snapshot_read.cold (user.c:?)
[   28.552432][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.552436][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.552438][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.552440][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.552443][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.552445][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.552447][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.552449][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.552451][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.552453][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.552459][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552461][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.552463][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.552469][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.552471][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.552477][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.552483][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.552490][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   28.552493][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.552494][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.552498][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.552500][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.552501][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552504][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.552505][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.552512][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.552514][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.552517][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.552519][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.552521][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.552523][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.552525][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552527][    C3]  handle_softirqs (kernel/softirq.c:645)
[   28.552529][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.552531][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.552533][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.552534][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   28.552536][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.552539][    C3]  </IRQ>
[   28.552539][    C3]  <TASK>
[   28.552540][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.552542][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.552544][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.552548][    C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.552549][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   28.552553][    C3] RAX: 00000000000f3889 RBX: ff11000001c88040 RCX: ffffffff8f8f0307
[   28.552554][    C3] RDX: ff11000001c88040 RSI: ffffffff92638b1c RDI: ffffffff9208d8e0
[   28.552555][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.552556][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   28.552556][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.552558][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.552561][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.552564][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   28.552565][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.552567][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   28.552569][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.552571][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552573][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.552575][    C3]  do_idle (kernel/sched/idle.c:355)
[   28.552576][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.552578][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.552580][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.552582][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.614227][    C3]
| [   28.614341][    C3]
| [   28.614341][    C3] stack backtrace:
| [   28.614516][    C3] Tainted: [W]=WARN
[   28.614517][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.614519][    C3] Call Trace:
[   28.614520][    C3]  <IRQ>
[   28.614521][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.614524][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.614526][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.614529][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.614531][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.614533][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.614535][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.614537][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.614544][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.614547][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.614549][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.614555][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.614557][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.614563][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.614570][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.614576][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   28.614578][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.614580][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.614582][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.614584][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.614586][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.614588][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.614590][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.614597][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.614599][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.614601][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.614604][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.614606][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.614607][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.614610][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.614611][    C3]  handle_softirqs (kernel/softirq.c:645)
[   28.614613][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.614615][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.614617][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.614618][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   28.614620][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.614622][    C3]  </IRQ>
[   28.614622][    C3]  <TASK>
[   28.614623][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.614625][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.614626][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.614628][    C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.614630][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   28.614632][    C3] RAX: 00000000000f3889 RBX: ff11000001c88040 RCX: ffffffff8f8f0307
[   28.614633][    C3] RDX: ff11000001c88040 RSI: ffffffff92638b1c RDI: ffffffff9208d8e0
[   28.614633][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.614634][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   28.614635][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.614637][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.614639][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.614640][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   28.614642][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.614644][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   28.614645][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.614647][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.614649][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.614651][    C3]  do_idle (kernel/sched/idle.c:355)
[   28.614652][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.614654][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.614655][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.614657][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   31.164244][   T12] softirqs last disabled at (43986): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   31.164247][   T12] Preemption disabled at:
| [   31.164248][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.164260][   T12] Tainted: [W]=WARN
[   31.164261][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.164263][   T12] Workqueue: netns cleanup_net
[   31.164269][   T12] Call Trace:
[   31.164271][   T12]  <TASK>
[   31.164272][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.164278][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.164280][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.164284][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.164287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164291][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   31.164295][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.164297][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.164301][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.164303][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.164305][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   31.164307][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   31.164308][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.164310][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   31.164313][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.164316][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.164317][   T12]  ? 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)
[   31.164319][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.164320][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164322][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164324][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.164326][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.164329][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.164331][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164332][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164334][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164336][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.164338][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   31.164339][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.164341][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.164344][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.164346][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.164347][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.164349][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164351][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.164352][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.164354][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   31.164356][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.164358][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.164360][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.164362][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.164364][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   31.164367][   T12]  ? kthread (kernel/kthread.c:436)
[   31.164369][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   31.164371][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   31.164374][   T12]  _printk (kernel/printk/printk.c:2504)
[   31.164377][   T12]  ? snapshot_read.cold (user.c:?)
[   31.164379][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.164382][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.164384][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.164385][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   31.164387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164389][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   31.164390][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   31.164393][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   31.164394][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   31.164397][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   31.164400][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   31.164402][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   31.164415][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   31.164423][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   31.164430][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   31.164433][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   31.164435][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   31.164438][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   31.164440][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   31.164442][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.164444][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.164446][   T12]  process_one_work (kernel/workqueue.c:3387)
[   31.164449][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   31.164451][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.164453][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.164455][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.164458][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.164460][   T12]  kthread (kernel/kthread.c:436)
[   31.164461][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.164463][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.164464][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   31.164466][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   31.164468][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   31.164470][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print