======================================
| [   11.153356][  T230] softirqs last disabled at (29445): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.153360][  T230] Preemption disabled at:
| [   11.153360][  T230] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.153373][  T230] Tainted: [W]=WARN
[   11.153374][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.153376][  T230] Call Trace:
[   11.153378][  T230]  <TASK>
[   11.153381][  T230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.153388][  T230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.153392][  T230]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.153398][  T230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.153404][  T230]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.153412][  T230]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.153416][  T230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.153425][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.153429][  T230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.153435][  T230]  put_chars (drivers/char/virtio_console.c:1176)
[   11.153439][  T230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.153441][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.153448][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.153452][  T230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.153460][  T230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.153464][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153474][  T230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.153479][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153488][  T230]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.153495][  T230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.153498][  T230]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.153504][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153508][  T230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.153515][  T230]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.153522][  T230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.153525][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153535][  T230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.153540][  T230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.153543][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153546][  T230]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.153553][  T230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.153563][  T230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.153569][  T230]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.153575][  T230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.153586][  T230]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.153592][  T230]  _printk (kernel/printk/printk.c:2504)
[   11.153598][  T230]  ? snapshot_read.cold (user.c:?)
[   11.153610][  T230]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.153615][  T230] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.153620][  T230]  do_one_initcall (init/main.c:1357)
[   11.153625][  T230]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.153633][  T230]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.153638][  T230]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.153646][  T230]  do_init_module (kernel/module/main.c:3117)
[   11.153653][  T230]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.153658][  T230]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.153664][  T230]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.153671][  T230]  load_module (kernel/module/main.c:3593)
[   11.153685][  T230]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.153692][  T230]  ? __ia32_sys_fsconfig (??:?)
[   11.153697][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.153702][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.153709][  T230]  init_module_from_file (kernel/module/main.c:3790)
[   11.153714][  T230]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.153730][  T230]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.153737][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.153742][  T230]  idempotent_init_module (kernel/module/main.c:3802)
[   11.153748][  T230]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.153760][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153764][  T230]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.153774][  T230]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.153777][  T230]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.153783][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.153786][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.153790][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.153794][  T230] RIP: 0033:0x7f133324937d
[   11.153798][  T230] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.153801][  T230] RSP: 002b:00007ffc8aa0c058 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.153805][  T230] RAX: ffffffffffffffda RBX: 0000560a8809e810 RCX: 00007f133324937d
[   11.153807][  T230] RDX: 0000000000000000 RSI: 0000560a6ae60ffd RDI: 0000000000000000
[   11.153809][  T230] RBP: 00007ffc8aa0c0f0 R08: 0000000000000000 R09: 0000000000000000
[   11.153810][  T230] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560a6ae60ffd
[   11.153812][  T230] R13: 0000560a8809e960 R14: 0000000000040000 R15: 0000000000000000
| [   12.258526][  T267] softirqs last disabled at (23296): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.258529][  T267] Preemption disabled at:
| [   12.258530][  T267] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.258540][  T267] Tainted: [W]=WARN
[   12.258540][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.258542][  T267] Call Trace:
[   12.258544][  T267]  <TASK>
[   12.258545][  T267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.258551][  T267]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.258553][  T267]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.258558][  T267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.258569][  T267]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.258575][  T267]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.258577][  T267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.258582][  T267]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.258585][  T267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.258588][  T267]  put_chars (drivers/char/virtio_console.c:1176)
[   12.258591][  T267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.258596][  T267]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.258599][  T267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.258602][  T267]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.258604][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.258606][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.258610][  T267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.258612][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.258615][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.258619][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.258623][  T267]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.258626][  T267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.258628][  T267]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.258631][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.258634][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.258638][  T267]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.258642][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.258644][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.258649][  T267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.258652][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.258654][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.258656][  T267]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.258660][  T267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.258661][  T267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.258665][  T267]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.258669][  T267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.258671][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.258673][  T267]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.258677][  T267]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.258680][  T267]  _printk (kernel/printk/printk.c:2504)
[   12.258684][  T267]  ? snapshot_read.cold (user.c:?)
[   12.258688][  T267]  ? br_multicast_flood (??:?) bridge
[   12.258700][  T267]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.258702][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.258703][  T267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.258707][  T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.258717][  T267] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.258726][  T267] new_nbp (net/bridge/br_if.c:449) bridge
[   12.258735][  T267] br_add_if (net/bridge/br_if.c:592) bridge
[   12.258742][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.258746][  T267]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.258749][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   12.258753][  T267]  do_set_master (net/core/rtnetlink.c:3071)
[   12.258758][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.258761][  T267]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.258764][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.258765][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.258768][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.258771][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.258774][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.258776][  T267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.258779][  T267]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.258782][  T267]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.258783][  T267]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.258786][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.258788][  T267]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.258791][  T267]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.258795][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.258797][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.258800][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.258802][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.258804][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.258806][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.258808][  T267]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.258812][  T267]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.258814][  T267]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.258816][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.258819][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.258821][  T267]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.258826][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.258831][  T267]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.258836][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.258838][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.258843][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.258845][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.258847][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.258849][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.258852][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.258854][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.258857][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.258859][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.258863][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.258865][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.258869][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.258870][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.258873][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.258880][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.258881][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.258885][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.258889][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.258892][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.258896][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.258900][  T267]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.258904][  T267]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.258909][  T267]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.258911][  T267]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.258914][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.258915][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   12.258923][  T267]  ___sys_sendmsg (net/socket.c:2767)
[   12.258925][  T267]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.258941][  T267]  __sys_sendmsg (net/socket.c:2799)
[   12.258944][  T267]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.258950][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.258954][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.258956][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.258960][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.258962][  T267] RIP: 0033:0x7fdd4f19054e
[   12.258966][  T267] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.258968][  T267] RSP: 002b:00007ffc0a14c9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.258972][  T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdd4f19054e
[   12.258974][  T267] RDX: 0000000000000000 RSI: 00007ffc0a14ca90 RDI: 0000000000000005
[   12.258975][  T267] RBP: 00007ffc0a14c9f0 R08: 0000000000000000 R09: 0000000000000000
[   12.258977][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5bb
[   12.258978][  T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0a14d150
| [   19.373599][  T348] softirqs last disabled at (16286): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   19.373607][  T348] Preemption disabled at:
| [   19.373608][  T348] 0x0
| [   19.373623][  T348] Tainted: [W]=WARN
[   19.373624][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.373626][  T348] Call Trace:
[   19.373628][  T348]  <TASK>
[   19.373629][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.373635][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.373640][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.373645][  T348]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.373650][  T348]  __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))
[   19.373652][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.373658][  T348]  ? 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)
[   19.373660][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.373663][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   19.373666][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.373668][  T348]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   19.373672][  T348]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   19.373675][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.373678][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.373680][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.373682][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.373686][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.373687][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.373692][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.373696][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.373700][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.373701][  T348]  ? 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))
[   19.373705][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.373709][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.373713][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.373717][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.373719][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.373724][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.373727][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.373729][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.373731][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.373735][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.373736][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.373740][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.373744][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.373746][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.373748][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.373751][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.373755][  T348]  _printk (kernel/printk/printk.c:2504)
[   19.373759][  T348]  ? snapshot_read.cold (user.c:?)
[   19.373767][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   19.373778][  T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   19.373788][  T348] br_device_event (net/bridge/br.c:111) bridge
[   19.373795][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   19.373799][  T348]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   19.373805][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   19.373811][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   19.373816][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   19.373820][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   19.373823][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   19.373825][  T348]  ? write_profile (profile.c:?)
[   19.373827][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.373832][  T348]  netif_change_flags (net/core/dev.c:9882)
[   19.373836][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   19.373839][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.373841][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.373843][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.373845][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.373848][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.373851][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.373852][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.373855][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.373858][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.373859][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.373862][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.373864][  T348]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   19.373867][  T348]  ? ___sys_sendmsg (net/socket.c:2757)
[   19.373872][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.373874][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.373876][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.373879][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.373880][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.373882][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.373884][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.373888][  T348]  ? __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)
[   19.373890][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.373892][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.373896][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.373901][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.373906][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.373912][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.373914][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.373918][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.373920][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.373922][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.373924][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.373928][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.373930][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.373933][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.373935][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.373939][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.373941][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.373944][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.373946][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.373949][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.373955][  T348]  ? 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))
[   19.373957][  T348]  ? 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))
[   19.373961][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.373967][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.373971][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.373979][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.373983][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.373987][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.373993][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.373995][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.373997][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.373999][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   19.374007][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   19.374009][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.374025][  T348]  __sys_sendmsg (net/socket.c:2799)
[   19.374028][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.374035][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.374038][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.374041][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.374044][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.374046][  T348] RIP: 0033:0x7feb20eb554e
[   19.374048][  T348] 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
[   19.374050][  T348] RSP: 002b:00007fff97604300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.374053][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feb20eb554e
[   19.374054][  T348] RDX: 0000000000000000 RSI: 00007fff976043b0 RDI: 0000000000000005
[   19.374055][  T348] RBP: 00007fff97604310 R08: 0000000000000000 R09: 0000000000000000
[   19.374056][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5c2
[   19.374057][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff97604a70
| [   24.613863][  T357] softirqs last disabled at (14546): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   24.613871][  T357] Preemption disabled at:
| [   24.613871][  T357] 0x0
| [   24.613881][  T357] Tainted: [W]=WARN
[   24.613882][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.613884][  T357] Call Trace:
[   24.613886][  T357]  <TASK>
[   24.613887][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.613894][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.613899][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.613903][  T357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.613908][  T357]  __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))
[   24.613911][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.613916][  T357]  ? 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)
[   24.613919][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.613922][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   24.613924][  T357]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.613926][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.613929][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.613932][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.613937][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.613940][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.613941][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.613946][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.613947][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.613950][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.613953][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.613957][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.613961][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.613963][  T357]  ? 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))
[   24.613968][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.613971][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.613978][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.613984][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.613986][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.613991][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.613994][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.613996][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.613998][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.614002][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.614004][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.614007][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.614011][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.614014][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.614017][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.614021][  T357]  _printk (kernel/printk/printk.c:2504)
[   24.614024][  T357]  ? snapshot_read.cold (user.c:?)
[   24.614032][  T357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.614043][  T357] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   24.614051][  T357] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   24.614059][  T357] br_dev_stop (net/bridge/br_device.c:193) bridge
[   24.614068][  T357]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.614071][  T357]  __dev_close_many (net/core/dev.c:1798)
[   24.614075][  T357]  ? netif_open (net/core/dev.c:1755)
[   24.614077][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.614079][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.614084][  T357]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   24.614087][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   24.614090][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   24.614092][  T357]  ? write_profile (profile.c:?)
[   24.614095][  T357]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.614100][  T357]  netif_change_flags (net/core/dev.c:9877)
[   24.614104][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.614107][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.614109][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.614110][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.614112][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.614116][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.614118][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.614120][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.614123][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.614126][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.614127][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.614130][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.614132][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   24.614135][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.614140][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.614142][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.614144][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.614147][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.614148][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.614150][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.614152][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.614156][  T357]  ? __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)
[   24.614160][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.614162][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.614165][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.614170][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.614176][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.614181][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.614183][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.614187][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.614189][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.614191][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.614193][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.614199][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.614201][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.614204][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.614206][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.614210][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.614212][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.614216][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.614217][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.614220][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.614226][  T357]  ? 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))
[   24.614228][  T357]  ? 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))
[   24.614232][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.614236][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.614239][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.614243][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.614247][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.614251][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.614256][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.614259][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.614261][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.614263][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   24.614270][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   24.614273][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.614289][  T357]  __sys_sendmsg (net/socket.c:2799)
[   24.614292][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.614299][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.614302][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.614305][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.614308][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.614310][  T357] RIP: 0033:0x7f3efab7654e
[   24.614312][  T357] 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
[   24.614314][  T357] RSP: 002b:00007fff060c03b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.614317][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3efab7654e
[   24.614319][  T357] RDX: 0000000000000000 RSI: 00007fff060c0460 RDI: 0000000000000005
[   24.614320][  T357] RBP: 00007fff060c03c0 R08: 0000000000000000 R09: 0000000000000000
[   24.614320][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5c8
[   24.614321][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff060c0b20
| [   30.504039][  T393] softirqs last disabled at (13220): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   30.504046][  T393] Preemption disabled at:
| [   30.504047][  T393] 0x0
| [   30.504057][  T393] Tainted: [W]=WARN
[   30.504058][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.504060][  T393] Call Trace:
[   30.504061][  T393]  <TASK>
[   30.504063][  T393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.504069][  T393]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.504074][  T393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.504078][  T393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.504083][  T393]  __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))
[   30.504086][  T393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.504091][  T393]  ? 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)
[   30.504094][  T393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.504097][  T393]  put_chars (drivers/char/virtio_console.c:1176)
[   30.504099][  T393]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   30.504102][  T393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.504105][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.504108][  T393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.504113][  T393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.504115][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.504117][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.504121][  T393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.504123][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   30.504126][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.504129][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.504133][  T393]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.504137][  T393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.504139][  T393]  ? 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))
[   30.504142][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.504144][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.504148][  T393]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.504152][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.504154][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.504159][  T393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.504162][  T393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.504164][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.504166][  T393]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.504170][  T393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.504172][  T393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.504175][  T393]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.504179][  T393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.504182][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.504185][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.504189][  T393]  _printk (kernel/printk/printk.c:2504)
[   30.504192][  T393]  ? snapshot_read.cold (user.c:?)
[   30.504200][  T393] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.504210][  T393] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   30.504219][  T393] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   30.504227][  T393] br_dev_stop (net/bridge/br_device.c:193) bridge
[   30.504236][  T393]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.504241][  T393]  __dev_close_many (net/core/dev.c:1798)
[   30.504245][  T393]  ? netif_open (net/core/dev.c:1755)
[   30.504247][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.504249][  T393]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.504254][  T393]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   30.504257][  T393]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   30.504260][  T393]  ? __kernel_text_address (kernel/extable.c:79)
[   30.504262][  T393]  ? write_profile (profile.c:?)
[   30.504265][  T393]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.504270][  T393]  netif_change_flags (net/core/dev.c:9877)
[   30.504274][  T393]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.504277][  T393]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.504279][  T393]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.504281][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.504282][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.504286][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.504289][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.504290][  T393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.504293][  T393]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.504296][  T393]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.504297][  T393]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.504300][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.504302][  T393]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   30.504305][  T393]  ? ___sys_sendmsg (net/socket.c:2757)
[   30.504310][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.504312][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.504314][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.504317][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.504318][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.504320][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.504322][  T393]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.504326][  T393]  ? __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)
[   30.504329][  T393]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.504332][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.504335][  T393]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.504340][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.504346][  T393]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.504351][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.504353][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.504358][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.504360][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.504362][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.504363][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.504367][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.504369][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.504372][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.504374][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.504378][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.504380][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.504384][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.504385][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.504388][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.504394][  T393]  ? 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))
[   30.504396][  T393]  ? 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))
[   30.504400][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.504404][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.504407][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.504411][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.504415][  T393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.504419][  T393]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.504424][  T393]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.504426][  T393]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.504429][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.504430][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   30.504438][  T393]  ___sys_sendmsg (net/socket.c:2767)
[   30.504441][  T393]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.504457][  T393]  __sys_sendmsg (net/socket.c:2799)
[   30.504460][  T393]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.504466][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.504470][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.504472][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.504475][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.504477][  T393] RIP: 0033:0x7efceff7a54e
[   30.504480][  T393] 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
[   30.504482][  T393] RSP: 002b:00007ffd8a9ff9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.504484][  T393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efceff7a54e
[   30.504486][  T393] RDX: 0000000000000000 RSI: 00007ffd8a9ffa80 RDI: 0000000000000005
[   30.504487][  T393] RBP: 00007ffd8a9ff9e0 R08: 0000000000000000 R09: 0000000000000000
[   30.504487][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5cd
[   30.504488][  T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8aa00140
| [   36.910506][  T694] softirqs last disabled at (14944): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   36.910514][  T694] Preemption disabled at:
| [   36.910514][  T694] 0x0
| [   36.910525][  T694] Tainted: [W]=WARN
[   36.910526][  T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.910527][  T694] Call Trace:
[   36.910529][  T694]  <TASK>
[   36.910530][  T694]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.910537][  T694]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.910542][  T694]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.910546][  T694]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.910551][  T694]  __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))
[   36.910554][  T694]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.910559][  T694]  ? 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)
[   36.910562][  T694]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.910565][  T694]  put_chars (drivers/char/virtio_console.c:1176)
[   36.910568][  T694]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.910571][  T694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.910575][  T694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.910578][  T694]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.910582][  T694]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.910585][  T694]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.910587][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.910588][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.910593][  T694]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.910594][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.910598][  T694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.910603][  T694]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.910607][  T694]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.910609][  T694]  ? 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))
[   36.910612][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.910614][  T694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.910618][  T694]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.910623][  T694]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.910625][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.910630][  T694]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.910633][  T694]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.910635][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.910637][  T694]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.910641][  T694]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.910643][  T694]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.910646][  T694]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.910650][  T694]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.910652][  T694]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.910655][  T694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.910658][  T694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.910661][  T694]  _printk (kernel/printk/printk.c:2504)
[   36.910665][  T694]  ? snapshot_read.cold (user.c:?)
[   36.910673][  T694] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   36.910684][  T694] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   36.910694][  T694] br_device_event (net/bridge/br.c:111) bridge
[   36.910701][  T694]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.910706][  T694]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   36.910712][  T694]  notifier_call_chain (kernel/notifier.c:85)
[   36.910718][  T694]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.910722][  T694]  ? netif_change_name (net/core/dev.c:1517)
[   36.910726][  T694]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   36.910729][  T694]  ? __kernel_text_address (kernel/extable.c:79)
[   36.910731][  T694]  ? write_profile (profile.c:?)
[   36.910734][  T694]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.910739][  T694]  netif_change_flags (net/core/dev.c:9882)
[   36.910743][  T694]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.910752][  T694]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.910754][  T694]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.910755][  T694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.910757][  T694]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.910761][  T694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.910763][  T694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.910765][  T694]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.910768][  T694]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.910771][  T694]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.910773][  T694]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.910775][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.910777][  T694]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   36.910780][  T694]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.910785][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.910787][  T694]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.910792][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.910794][  T694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.910796][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.910798][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.910800][  T694]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.910804][  T694]  ? __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)
[   36.910806][  T694]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.910808][  T694]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.910811][  T694]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.910817][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.910822][  T694]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.910828][  T694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.910829][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.910834][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.910836][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.910838][  T694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.910840][  T694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.910844][  T694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.910846][  T694]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.910849][  T694]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.910850][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.910855][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.910857][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.910860][  T694]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.910862][  T694]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.910865][  T694]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.910871][  T694]  ? 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))
[   36.910873][  T694]  ? 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))
[   36.910877][  T694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.910881][  T694]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.910883][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.910887][  T694]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.910891][  T694]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.910895][  T694]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.910901][  T694]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.910903][  T694]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.910905][  T694]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.910907][  T694]  ? move_addr_to_kernel (net/socket.c:258)
[   36.910914][  T694]  ___sys_sendmsg (net/socket.c:2767)
[   36.910917][  T694]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.910933][  T694]  __sys_sendmsg (net/socket.c:2799)
[   36.910936][  T694]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.910943][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.910946][  T694]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.910949][  T694]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.910952][  T694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.910954][  T694] RIP: 0033:0x7ff63ddc554e
[   36.910956][  T694] 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
[   36.910958][  T694] RSP: 002b:00007ffc33f2aed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.910961][  T694] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff63ddc554e
[   36.910963][  T694] RDX: 0000000000000000 RSI: 00007ffc33f2af80 RDI: 0000000000000005
[   36.910964][  T694] RBP: 00007ffc33f2aee0 R08: 0000000000000000 R09: 0000000000000000
[   36.910965][  T694] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5d4
[   36.910967][  T694] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc33f2b640
| [   42.140927][  T703] softirqs last disabled at (11632): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   42.140935][  T703] Preemption disabled at:
| [   42.140935][  T703] 0x0
| [   42.140945][  T703] Tainted: [W]=WARN
[   42.140946][  T703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.140948][  T703] Call Trace:
[   42.140949][  T703]  <TASK>
[   42.140951][  T703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.140957][  T703]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.140961][  T703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.140966][  T703]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.140974][  T703]  __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))
[   42.140978][  T703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.140984][  T703]  ? 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)
[   42.140987][  T703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.140990][  T703]  put_chars (drivers/char/virtio_console.c:1176)
[   42.140992][  T703]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   42.140995][  T703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.140998][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.141002][  T703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.141006][  T703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.141009][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.141010][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.141015][  T703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.141016][  T703]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   42.141019][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.141023][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.141027][  T703]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.141031][  T703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.141032][  T703]  ? 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))
[   42.141036][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.141038][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.141042][  T703]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.141046][  T703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.141048][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.141054][  T703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.141056][  T703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.141058][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.141061][  T703]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.141065][  T703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.141066][  T703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.141070][  T703]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.141074][  T703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.141077][  T703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.141080][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.141084][  T703]  _printk (kernel/printk/printk.c:2504)
[   42.141088][  T703]  ? snapshot_read.cold (user.c:?)
[   42.141095][  T703] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   42.141106][  T703] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   42.141115][  T703] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   42.141122][  T703] br_dev_stop (net/bridge/br_device.c:193) bridge
[   42.141132][  T703]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.141134][  T703]  __dev_close_many (net/core/dev.c:1798)
[   42.141138][  T703]  ? netif_open (net/core/dev.c:1755)
[   42.141140][  T703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.141143][  T703]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.141147][  T703]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   42.141150][  T703]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   42.141153][  T703]  ? __kernel_text_address (kernel/extable.c:79)
[   42.141155][  T703]  ? write_profile (profile.c:?)
[   42.141158][  T703]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.141163][  T703]  netif_change_flags (net/core/dev.c:9877)
[   42.141167][  T703]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   42.141170][  T703]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.141172][  T703]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.141173][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.141175][  T703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.141179][  T703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.141181][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.141183][  T703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.141186][  T703]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.141189][  T703]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.141190][  T703]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.141193][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.141195][  T703]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   42.141198][  T703]  ? ___sys_sendmsg (net/socket.c:2757)
[   42.141202][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.141204][  T703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.141207][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.141210][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.141211][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.141213][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.141215][  T703]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.141219][  T703]  ? __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)
[   42.141223][  T703]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.141225][  T703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.141228][  T703]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.141234][  T703]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.141241][  T703]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.141247][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.141249][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.141253][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.141255][  T703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.141257][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.141259][  T703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.141263][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.141265][  T703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.141268][  T703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.141270][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.141274][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.141276][  T703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.141279][  T703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.141281][  T703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.141284][  T703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.141291][  T703]  ? 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))
[   42.141292][  T703]  ? 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))
[   42.141296][  T703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.141300][  T703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.141303][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.141307][  T703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.141311][  T703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.141315][  T703]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.141321][  T703]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.141323][  T703]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.141325][  T703]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.141327][  T703]  ? move_addr_to_kernel (net/socket.c:258)
[   42.141334][  T703]  ___sys_sendmsg (net/socket.c:2767)
[   42.141337][  T703]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.141353][  T703]  __sys_sendmsg (net/socket.c:2799)
[   42.141356][  T703]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.141363][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.141366][  T703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.141369][  T703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.141372][  T703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.141374][  T703] RIP: 0033:0x7f948bda354e
[   42.141377][  T703] 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
[   42.141378][  T703] RSP: 002b:00007ffd16157410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.141381][  T703] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f948bda354e
[   42.141383][  T703] RDX: 0000000000000000 RSI: 00007ffd161574c0 RDI: 0000000000000005
[   42.141383][  T703] RBP: 00007ffd16157420 R08: 0000000000000000 R09: 0000000000000000
[   42.141384][  T703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5d9
[   42.141385][  T703] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd16157b80
| [   48.035845][  T738] softirqs last disabled at (12834): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   48.035853][  T738] Preemption disabled at:
| [   48.035853][  T738] 0x0
| [   48.035863][  T738] Tainted: [W]=WARN
[   48.035864][  T738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.035866][  T738] Call Trace:
[   48.035868][  T738]  <TASK>
[   48.035869][  T738]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.035876][  T738]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.035880][  T738]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.035885][  T738]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.035890][  T738]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.035892][  T738]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.035898][  T738]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.035901][  T738]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.035904][  T738]  put_chars (drivers/char/virtio_console.c:1176)
[   48.035906][  T738]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   48.035908][  T738]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.035911][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.035915][  T738]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.035919][  T738]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.035922][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.035924][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.035929][  T738]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.035930][  T738]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   48.035933][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.035936][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.035940][  T738]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.035944][  T738]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.035946][  T738]  ? 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))
[   48.035949][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.035952][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.035956][  T738]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.035960][  T738]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.035962][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.035969][  T738]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.035973][  T738]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.035976][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.035979][  T738]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.035986][  T738]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.035988][  T738]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.035994][  T738]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.036000][  T738]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.036005][  T738]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.036009][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.036015][  T738]  _printk (kernel/printk/printk.c:2504)
[   48.036020][  T738]  ? snapshot_read.cold (user.c:?)
[   48.036031][  T738] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   48.036044][  T738] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   48.036054][  T738] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   48.036062][  T738] br_dev_stop (net/bridge/br_device.c:193) bridge
[   48.036072][  T738]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.036075][  T738]  __dev_close_many (net/core/dev.c:1798)
[   48.036079][  T738]  ? netif_open (net/core/dev.c:1755)
[   48.036081][  T738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.036084][  T738]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.036088][  T738]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   48.036091][  T738]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   48.036094][  T738]  ? __kernel_text_address (kernel/extable.c:79)
[   48.036097][  T738]  ? write_profile (profile.c:?)
[   48.036099][  T738]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   48.036104][  T738]  netif_change_flags (net/core/dev.c:9877)
[   48.036108][  T738]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   48.036112][  T738]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.036114][  T738]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.036115][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.036117][  T738]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.036121][  T738]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.036123][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.036125][  T738]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.036128][  T738]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.036131][  T738]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.036133][  T738]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.036136][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.036138][  T738]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   48.036140][  T738]  ? ___sys_sendmsg (net/socket.c:2757)
[   48.036145][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.036147][  T738]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.036150][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.036152][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.036154][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.036155][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.036158][  T738]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.036162][  T738]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.036165][  T738]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.036167][  T738]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.036171][  T738]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.036176][  T738]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.036182][  T738]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.036187][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.036189][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.036194][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.036196][  T738]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.036198][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.036200][  T738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.036203][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.036205][  T738]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.036209][  T738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.036210][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.036215][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.036217][  T738]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.036220][  T738]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.036222][  T738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.036225][  T738]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.036231][  T738]  ? 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))
[   48.036233][  T738]  ? 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))
[   48.036241][  T738]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.036245][  T738]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.036248][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.036252][  T738]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.036256][  T738]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.036260][  T738]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.036266][  T738]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.036268][  T738]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.036271][  T738]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.036272][  T738]  ? move_addr_to_kernel (net/socket.c:258)
[   48.036280][  T738]  ___sys_sendmsg (net/socket.c:2767)
[   48.036283][  T738]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.036299][  T738]  __sys_sendmsg (net/socket.c:2799)
[   48.036302][  T738]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.036309][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.036313][  T738]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.036315][  T738]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.036318][  T738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.036320][  T738] RIP: 0033:0x7fcd5b3cf54e
[   48.036323][  T738] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.036324][  T738] RSP: 002b:00007ffe2ab08510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.036327][  T738] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcd5b3cf54e
[   48.036329][  T738] RDX: 0000000000000000 RSI: 00007ffe2ab085c0 RDI: 0000000000000005
[   48.036330][  T738] RBP: 00007ffe2ab08520 R08: 0000000000000000 R09: 0000000000000000
[   48.036330][  T738] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5df
[   48.036332][  T738] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2ab08c80
| [   50.884586][  T854] softirqs last disabled at (21342): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   50.884594][  T854] Preemption disabled at:
| [   50.884595][  T854] 0x0
| [   50.884605][  T854] Tainted: [W]=WARN
[   50.884606][  T854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.884608][  T854] Call Trace:
[   50.884610][  T854]  <TASK>
[   50.884611][  T854]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.884618][  T854]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.884622][  T854]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.884626][  T854]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.884632][  T854]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.884634][  T854]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.884640][  T854]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.884643][  T854]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.884646][  T854]  put_chars (drivers/char/virtio_console.c:1176)
[   50.884649][  T854]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.884652][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.884656][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.884658][  T854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.884662][  T854]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.884665][  T854]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.884667][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.884669][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.884673][  T854]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.884674][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.884678][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.884682][  T854]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.884686][  T854]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.884688][  T854]  ? 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))
[   50.884691][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.884694][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.884698][  T854]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.884702][  T854]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.884704][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.884709][  T854]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.884712][  T854]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.884714][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.884716][  T854]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.884720][  T854]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.884722][  T854]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.884725][  T854]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.884730][  T854]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.884732][  T854]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.884734][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.884737][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.884741][  T854]  _printk (kernel/printk/printk.c:2504)
[   50.884745][  T854]  ? snapshot_read.cold (user.c:?)
[   50.884753][  T854] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   50.884764][  T854] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   50.884773][  T854] br_device_event (net/bridge/br.c:111) bridge
[   50.884781][  T854]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   50.884785][  T854]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   50.884791][  T854]  notifier_call_chain (kernel/notifier.c:85)
[   50.884797][  T854]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   50.884802][  T854]  ? netif_change_name (net/core/dev.c:1517)
[   50.884806][  T854]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   50.884809][  T854]  ? __kernel_text_address (kernel/extable.c:79)
[   50.884811][  T854]  ? write_profile (profile.c:?)
[   50.884814][  T854]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.884819][  T854]  netif_change_flags (net/core/dev.c:9882)
[   50.884823][  T854]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   50.884826][  T854]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.884829][  T854]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.884830][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.884832][  T854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.884835][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.884838][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.884840][  T854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.884842][  T854]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.884845][  T854]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.884847][  T854]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.884855][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.884857][  T854]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   50.884861][  T854]  ? ___sys_sendmsg (net/socket.c:2757)
[   50.884865][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.884867][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.884870][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.884872][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.884874][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.884876][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.884878][  T854]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.884882][  T854]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   50.884884][  T854]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.884886][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.884890][  T854]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.884895][  T854]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.884900][  T854]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.884906][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.884908][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.884912][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.884914][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.884916][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.884918][  T854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.884922][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.884924][  T854]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.884927][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.884929][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.884933][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.884935][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.884939][  T854]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.884941][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.884944][  T854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.884950][  T854]  ? 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))
[   50.884952][  T854]  ? 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))
[   50.884956][  T854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.884960][  T854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.884962][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.884969][  T854]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.884976][  T854]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.884981][  T854]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.884987][  T854]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.884989][  T854]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.884992][  T854]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.884993][  T854]  ? move_addr_to_kernel (net/socket.c:258)
[   50.885001][  T854]  ___sys_sendmsg (net/socket.c:2767)
[   50.885004][  T854]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.885020][  T854]  __sys_sendmsg (net/socket.c:2799)
[   50.885023][  T854]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.885030][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.885033][  T854]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.885036][  T854]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.885039][  T854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.885041][  T854] RIP: 0033:0x7fb0202cd54e
[   50.885043][  T854] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.885045][  T854] RSP: 002b:00007ffd26268c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.885048][  T854] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb0202cd54e
[   50.885050][  T854] RDX: 0000000000000000 RSI: 00007ffd26268d20 RDI: 0000000000000005
[   50.885050][  T854] RBP: 00007ffd26268c80 R08: 0000000000000000 R09: 0000000000000000
[   50.885051][  T854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5e2
[   50.885052][  T854] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd262693e0
| [   56.131494][  T863] softirqs last disabled at (13758): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   56.131502][  T863] Preemption disabled at:
| [   56.131503][  T863] 0x0
| [   56.131513][  T863] Tainted: [W]=WARN
[   56.131514][  T863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.131516][  T863] Call Trace:
[   56.131517][  T863]  <TASK>
[   56.131519][  T863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.131525][  T863]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.131530][  T863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.131534][  T863]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.131539][  T863]  __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))
[   56.131542][  T863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.131548][  T863]  ? 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)
[   56.131550][  T863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.131553][  T863]  put_chars (drivers/char/virtio_console.c:1176)
[   56.131556][  T863]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   56.131558][  T863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.131561][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.131564][  T863]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.131569][  T863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.131571][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.131573][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.131578][  T863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.131579][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   56.131582][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.131585][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.131589][  T863]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.131593][  T863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.131595][  T863]  ? 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))
[   56.131598][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.131601][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.131605][  T863]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.131609][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.131611][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.131616][  T863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.131619][  T863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.131621][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.131623][  T863]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.131627][  T863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.131629][  T863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.131632][  T863]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.131636][  T863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.131639][  T863]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.131642][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.131646][  T863]  _printk (kernel/printk/printk.c:2504)
[   56.131650][  T863]  ? snapshot_read.cold (user.c:?)
[   56.131658][  T863] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   56.131668][  T863] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   56.131676][  T863] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   56.131684][  T863] br_dev_stop (net/bridge/br_device.c:193) bridge
[   56.131693][  T863]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.131696][  T863]  __dev_close_many (net/core/dev.c:1798)
[   56.131700][  T863]  ? netif_open (net/core/dev.c:1755)
[   56.131702][  T863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.131705][  T863]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.131709][  T863]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   56.131712][  T863]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   56.131715][  T863]  ? __kernel_text_address (kernel/extable.c:79)
[   56.131717][  T863]  ? write_profile (profile.c:?)
[   56.131720][  T863]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   56.131725][  T863]  netif_change_flags (net/core/dev.c:9877)
[   56.131729][  T863]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   56.131732][  T863]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.131734][  T863]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.131735][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.131737][  T863]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.131741][  T863]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.131743][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.131745][  T863]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.131748][  T863]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.131751][  T863]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.131753][  T863]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.131755][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.131757][  T863]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   56.131760][  T863]  ? ___sys_sendmsg (net/socket.c:2757)
[   56.131765][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.131766][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.131769][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.131772][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.131773][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.131775][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.131777][  T863]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.131781][  T863]  ? __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)
[   56.131784][  T863]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.131786][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.131790][  T863]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.131795][  T863]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.131800][  T863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.131806][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.131808][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.131812][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.131814][  T863]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.131816][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.131818][  T863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.131822][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.131824][  T863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.131827][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.131828][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.131833][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.131835][  T863]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.131838][  T863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.131840][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.131843][  T863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.131849][  T863]  ? 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))
[   56.131851][  T863]  ? 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))
[   56.131855][  T863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.131859][  T863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.131861][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.131866][  T863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.131869][  T863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.131873][  T863]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.131879][  T863]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.131881][  T863]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.131883][  T863]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.131885][  T863]  ? move_addr_to_kernel (net/socket.c:258)
[   56.131899][  T863]  ___sys_sendmsg (net/socket.c:2767)
[   56.131902][  T863]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.131918][  T863]  __sys_sendmsg (net/socket.c:2799)
[   56.131921][  T863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.131928][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.131931][  T863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.131934][  T863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.131937][  T863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.131939][  T863] RIP: 0033:0x7faab871854e
[   56.131941][  T863] 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
[   56.131943][  T863] RSP: 002b:00007ffc997918b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.131946][  T863] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faab871854e
[   56.131948][  T863] RDX: 0000000000000000 RSI: 00007ffc99791960 RDI: 0000000000000005
[   56.131948][  T863] RBP: 00007ffc997918c0 R08: 0000000000000000 R09: 0000000000000000
[   56.131949][  T863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5e7
[   56.131950][  T863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc99792020
| [   57.152258][  T906] softirqs last disabled at (14034): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.152261][  T906] Preemption disabled at:
| [   57.152261][  T906] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.152271][  T906] Tainted: [W]=WARN
[   57.152272][  T906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.152273][  T906] Call Trace:
[   57.152275][  T906]  <TASK>
[   57.152277][  T906]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.152282][  T906]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.152285][  T906]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.152289][  T906]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.152294][  T906]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.152299][  T906]  __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))
[   57.152301][  T906]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.152307][  T906]  ? 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)
[   57.152310][  T906]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.152313][  T906]  put_chars (drivers/char/virtio_console.c:1176)
[   57.152316][  T906]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.152323][  T906]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.152329][  T906]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.152332][  T906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.152336][  T906]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.152340][  T906]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.152342][  T906]  ? 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))
[   57.152345][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.152349][  T906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.152354][  T906]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.152358][  T906]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.152360][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.152365][  T906]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.152368][  T906]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.152370][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.152372][  T906]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.152376][  T906]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.152378][  T906]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.152382][  T906]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.152386][  T906]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.152389][  T906]  ? __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)
[   57.152392][  T906]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.152393][  T906]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.152397][  T906]  _printk (kernel/printk/printk.c:2504)
[   57.152400][  T906]  ? snapshot_read.cold (user.c:?)
[   57.152404][  T906]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   57.152418][  T906]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   57.152423][  T906] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.152434][  T906] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.152443][  T906] new_nbp (net/bridge/br_if.c:449) bridge
[   57.152453][  T906] br_add_if (net/bridge/br_if.c:592) bridge
[   57.152460][  T906]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   57.152466][  T906]  do_set_master (net/core/rtnetlink.c:3071)
[   57.152471][  T906]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   57.152475][  T906]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   57.152477][  T906]  ? __dev_get_by_name (net/core/dev.c:905)
[   57.152480][  T906]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   57.152490][  T906]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   57.152497][  T906]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.152502][  T906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.152504][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.152511][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.152515][  T906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.152517][  T906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.152521][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.152522][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.152527][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.152529][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.152532][  T906]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.152536][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.152539][  T906]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.152545][  T906]  ? 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))
[   57.152547][  T906]  ? 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))
[   57.152551][  T906]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.152555][  T906]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.152558][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.152562][  T906]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.152566][  T906]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.152570][  T906]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.152576][  T906]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.152579][  T906]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.152582][  T906]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.152583][  T906]  ? move_addr_to_kernel (net/socket.c:258)
[   57.152587][  T906]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.152590][  T906]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.152595][  T906]  ___sys_sendmsg (net/socket.c:2767)
[   57.152598][  T906]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.152616][  T906]  __sys_sendmsg (net/socket.c:2799)
[   57.152619][  T906]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.152625][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.152627][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.152631][  T906]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.152633][  T906]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.152637][  T906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.152639][  T906] RIP: 0033:0x7f301c2ac54e
[   57.152642][  T906] 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
[   57.152644][  T906] RSP: 002b:00007ffefb3b0470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.152647][  T906] RAX: ffffffffffffffda RBX: 00007ffefb3b0c28 RCX: 00007f301c2ac54e
[   57.152648][  T906] RDX: 0000000000000000 RSI: 00007ffefb3b0520 RDI: 0000000000000005
[   57.152649][  T906] RBP: 00007ffefb3b0480 R08: 0000000000000000 R09: 0000000000000000
[   57.152650][  T906] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5e8
[   57.152651][  T906] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefb3b0be0
| [   58.252069][  T952] softirqs last disabled at (15656): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   58.252071][  T952] Preemption disabled at:
| [   58.252072][  T952] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.252081][  T952] Tainted: [W]=WARN
[   58.252082][  T952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.252084][  T952] Call Trace:
[   58.252085][  T952]  <TASK>
[   58.252087][  T952]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.252093][  T952]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.252095][  T952]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.252100][  T952]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.252104][  T952]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.252109][  T952]  __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))
[   58.252112][  T952]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.252117][  T952]  ? 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)
[   58.252120][  T952]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.252123][  T952]  put_chars (drivers/char/virtio_console.c:1176)
[   58.252126][  T952]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.252132][  T952]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.252139][  T952]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.252141][  T952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.252146][  T952]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.252150][  T952]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.252151][  T952]  ? 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))
[   58.252155][  T952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.252159][  T952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.252163][  T952]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.252167][  T952]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.252169][  T952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.252174][  T952]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.252177][  T952]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.252178][  T952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.252181][  T952]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.252184][  T952]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.252186][  T952]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.252190][  T952]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.252194][  T952]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.252197][  T952]  ? __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)
[   58.252199][  T952]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.252201][  T952]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.252204][  T952]  _printk (kernel/printk/printk.c:2504)
[   58.252208][  T952]  ? snapshot_read.cold (user.c:?)
[   58.252211][  T952]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   58.252225][  T952]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   58.252230][  T952] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   58.252243][  T952] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   58.252251][  T952] new_nbp (net/bridge/br_if.c:449) bridge
[   58.252260][  T952] br_add_if (net/bridge/br_if.c:592) bridge
[   58.252268][  T952]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   58.252274][  T952]  do_set_master (net/core/rtnetlink.c:3071)
[   58.252279][  T952]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   58.252283][  T952]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   58.252285][  T952]  ? __dev_get_by_name (net/core/dev.c:905)
[   58.252287][  T952]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   58.252297][  T952]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   58.252304][  T952]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.252309][  T952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.252311][  T952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.252318][  T952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.252322][  T952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.252324][  T952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.252327][  T952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.252329][  T952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.252333][  T952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.252335][  T952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.252339][  T952]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.252342][  T952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.252345][  T952]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.252352][  T952]  ? 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))
[   58.252353][  T952]  ? 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))
[   58.252358][  T952]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.252362][  T952]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.252364][  T952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.252369][  T952]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.252372][  T952]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.252376][  T952]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.252382][  T952]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.252385][  T952]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.252388][  T952]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.252389][  T952]  ? move_addr_to_kernel (net/socket.c:258)
[   58.252393][  T952]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   58.252396][  T952]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   58.252401][  T952]  ___sys_sendmsg (net/socket.c:2767)
[   58.252404][  T952]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.252420][  T952]  __sys_sendmsg (net/socket.c:2799)
[   58.252423][  T952]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.252428][  T952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.252431][  T952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.252435][  T952]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.252437][  T952]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.252441][  T952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.252443][  T952] RIP: 0033:0x7f0ea7c8154e
[   58.252446][  T952] 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
[   58.252448][  T952] RSP: 002b:00007fff65606ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.252451][  T952] RAX: ffffffffffffffda RBX: 00007fff65607358 RCX: 00007f0ea7c8154e
[   58.252452][  T952] RDX: 0000000000000000 RSI: 00007fff65606c50 RDI: 0000000000000005
[   58.252453][  T952] RBP: 00007fff65606bb0 R08: 0000000000000000 R09: 0000000000000000
[   58.252454][  T952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5e9
[   58.252455][  T952] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff65607310
| [   59.261703][  T991] softirqs last disabled at (14806): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   59.261706][  T991] Preemption disabled at:
| [   59.261706][  T991] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.261716][  T991] Tainted: [W]=WARN
[   59.261717][  T991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.261718][  T991] Call Trace:
[   59.261720][  T991]  <TASK>
[   59.261721][  T991]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.261727][  T991]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.261730][  T991]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.261734][  T991]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.261739][  T991]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.261744][  T991]  __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))
[   59.261746][  T991]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.261752][  T991]  ? 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)
[   59.261754][  T991]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.261757][  T991]  put_chars (drivers/char/virtio_console.c:1176)
[   59.261760][  T991]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.261767][  T991]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.261773][  T991]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.261776][  T991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.261780][  T991]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.261784][  T991]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.261786][  T991]  ? 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))
[   59.261790][  T991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.261794][  T991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.261798][  T991]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.261802][  T991]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.261804][  T991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.261810][  T991]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.261813][  T991]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.261814][  T991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.261817][  T991]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.261821][  T991]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.261822][  T991]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.261826][  T991]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.261830][  T991]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.261834][  T991]  ? __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)
[   59.261836][  T991]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.261838][  T991]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.261841][  T991]  _printk (kernel/printk/printk.c:2504)
[   59.261845][  T991]  ? snapshot_read.cold (user.c:?)
[   59.261848][  T991]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   59.261863][  T991]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   59.261868][  T991] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   59.261878][  T991] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   59.261887][  T991] new_nbp (net/bridge/br_if.c:449) bridge
[   59.261897][  T991] br_add_if (net/bridge/br_if.c:592) bridge
[   59.261905][  T991]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   59.261919][  T991]  do_set_master (net/core/rtnetlink.c:3071)
[   59.261924][  T991]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   59.261928][  T991]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   59.261930][  T991]  ? __dev_get_by_name (net/core/dev.c:905)
[   59.261932][  T991]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   59.261942][  T991]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   59.261949][  T991]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.261954][  T991]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.261956][  T991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.261963][  T991]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.261969][  T991]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.261973][  T991]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.261979][  T991]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.261981][  T991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.261986][  T991]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.261988][  T991]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.261992][  T991]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.261995][  T991]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.261998][  T991]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.262005][  T991]  ? 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))
[   59.262006][  T991]  ? 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))
[   59.262011][  T991]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.262014][  T991]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.262017][  T991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.262021][  T991]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.262025][  T991]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.262029][  T991]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.262035][  T991]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.262038][  T991]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.262040][  T991]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.262042][  T991]  ? move_addr_to_kernel (net/socket.c:258)
[   59.262046][  T991]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   59.262049][  T991]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   59.262054][  T991]  ___sys_sendmsg (net/socket.c:2767)
[   59.262057][  T991]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.262073][  T991]  __sys_sendmsg (net/socket.c:2799)
[   59.262076][  T991]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.262082][  T991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.262084][  T991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.262088][  T991]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.262091][  T991]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.262094][  T991]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.262096][  T991] RIP: 0033:0x7fe1fe98e54e
[   59.262099][  T991] 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
[   59.262101][  T991] RSP: 002b:00007ffd39fcafa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.262104][  T991] RAX: ffffffffffffffda RBX: 00007ffd39fcb758 RCX: 00007fe1fe98e54e
[   59.262106][  T991] RDX: 0000000000000000 RSI: 00007ffd39fcb050 RDI: 0000000000000005
[   59.262107][  T991] RBP: 00007ffd39fcafb0 R08: 0000000000000000 R09: 0000000000000000
[   59.262108][  T991] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5ea
[   59.262108][  T991] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd39fcb710
| [   66.792282][ T1161] softirqs last disabled at (10922): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   66.792285][ T1161] Preemption disabled at:
| [   66.792285][ T1161] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.792295][ T1161] Tainted: [W]=WARN
[   66.792296][ T1161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.792297][ T1161] Call Trace:
[   66.792299][ T1161]  <TASK>
[   66.792301][ T1161]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.792306][ T1161]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.792309][ T1161]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.792314][ T1161]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.792318][ T1161]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.792323][ T1161]  __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))
[   66.792326][ T1161]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.792332][ T1161]  ? 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)
[   66.792334][ T1161]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.792338][ T1161]  put_chars (drivers/char/virtio_console.c:1176)
[   66.792341][ T1161]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.792342][ T1161]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   66.792346][ T1161]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   66.792350][ T1161]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.792353][ T1161]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.792355][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.792357][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.792361][ T1161]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.792362][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.792367][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.792371][ T1161]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.792375][ T1161]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.792377][ T1161]  ? 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))
[   66.792380][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.792384][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.792389][ T1161]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.792393][ T1161]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.792395][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.792400][ T1161]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.792403][ T1161]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.792405][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.792408][ T1161]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.792412][ T1161]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.792413][ T1161]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.792417][ T1161]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.792421][ T1161]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.792427][ T1161]  _printk (kernel/printk/printk.c:2504)
[   66.792431][ T1161]  ? snapshot_read.cold (user.c:?)
[   66.792433][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.792436][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.792438][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.792440][ T1161]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.792443][ T1161]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.792447][ T1161]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.792450][ T1161]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.792453][ T1161]  ? netdev_notice (net/core/dev.c:13194)
[   66.792454][ T1161]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.792464][ T1161]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.792469][ T1161]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.792472][ T1161] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   66.792485][ T1161]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.792490][ T1161] br_dev_delete (net/bridge/br_if.c:387) bridge
[   66.792500][ T1161]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   66.792502][ T1161]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.792504][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.792506][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.792508][ T1161]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.792532][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.792534][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.792536][ T1161]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.792538][ T1161]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.792541][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.792545][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.792547][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.792549][ T1161]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.792552][ T1161]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.792556][ T1161]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.792559][ T1161]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.792562][ T1161]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.792563][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.792568][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.792570][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.792574][ T1161]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.792577][ T1161]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.792580][ T1161]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.792586][ T1161]  ? 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))
[   66.792588][ T1161]  ? 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))
[   66.792592][ T1161]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.792596][ T1161]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.792599][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.792603][ T1161]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.792607][ T1161]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.792611][ T1161]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   66.792617][ T1161]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.792620][ T1161]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.792623][ T1161]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   66.792624][ T1161]  ? move_addr_to_kernel (net/socket.c:258)
[   66.792632][ T1161]  ___sys_sendmsg (net/socket.c:2767)
[   66.792635][ T1161]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.792652][ T1161]  __sys_sendmsg (net/socket.c:2799)
[   66.792655][ T1161]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.792661][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.792665][ T1161]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.792667][ T1161]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.792671][ T1161]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.792673][ T1161] RIP: 0033:0x7f7add8e654e
[   66.792676][ T1161] 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
[   66.792678][ T1161] RSP: 002b:00007ffdb73daf40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.792681][ T1161] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7add8e654e
[   66.792683][ T1161] RDX: 0000000000000000 RSI: 00007ffdb73daff0 RDI: 0000000000000005
[   66.792684][ T1161] RBP: 00007ffdb73daf50 R08: 0000000000000000 R09: 0000000000000000
[   66.792684][ T1161] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5f2
[   66.792685][ T1161] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb73db6b0
| [   69.206113][ T1198] softirqs last disabled at (10986): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   69.206116][ T1198] Preemption disabled at:
| [   69.206116][ T1198] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.206126][ T1198] Tainted: [W]=WARN
[   69.206127][ T1198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.206128][ T1198] Call Trace:
[   69.206130][ T1198]  <TASK>
[   69.206132][ T1198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.206138][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.206140][ T1198]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.206145][ T1198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.206149][ T1198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   69.206154][ T1198]  __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))
[   69.206156][ T1198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.206162][ T1198]  ? 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)
[   69.206165][ T1198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.206168][ T1198]  put_chars (drivers/char/virtio_console.c:1176)
[   69.206171][ T1198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.206174][ T1198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.206178][ T1198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.206181][ T1198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.206184][ T1198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.206187][ T1198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.206189][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.206191][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.206195][ T1198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.206196][ T1198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.206200][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.206204][ T1198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.206208][ T1198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.206210][ T1198]  ? 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))
[   69.206213][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.206216][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.206220][ T1198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.206224][ T1198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.206226][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.206231][ T1198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.206234][ T1198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.206236][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.206238][ T1198]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   69.206244][ T1198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.206246][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.206250][ T1198]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.206253][ T1198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.206259][ T1198]  _printk (kernel/printk/printk.c:2504)
[   69.206263][ T1198]  ? snapshot_read.cold (user.c:?)
[   69.206265][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.206268][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.206270][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.206272][ T1198]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   69.206275][ T1198]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.206279][ T1198]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.206282][ T1198]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.206285][ T1198]  ? netdev_notice (net/core/dev.c:13194)
[   69.206286][ T1198]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   69.206296][ T1198]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   69.206301][ T1198]  dev_set_allmulti (net/core/dev_api.c:315)
[   69.206304][ T1198] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   69.206317][ T1198]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.206322][ T1198] br_dev_delete (net/bridge/br_if.c:387) bridge
[   69.206331][ T1198]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   69.206334][ T1198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.206336][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.206337][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.206339][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   69.206362][ T1198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.206364][ T1198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.206367][ T1198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.206369][ T1198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.206371][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.206375][ T1198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.206377][ T1198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.206379][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   69.206381][ T1198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.206385][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   69.206388][ T1198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.206391][ T1198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.206393][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.206397][ T1198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.206399][ T1198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.206402][ T1198]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.206405][ T1198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.206408][ T1198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.206414][ T1198]  ? 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))
[   69.206416][ T1198]  ? 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))
[   69.206420][ T1198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.206424][ T1198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.206427][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.206431][ T1198]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.206435][ T1198]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.206439][ T1198]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   69.206445][ T1198]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   69.206448][ T1198]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.206450][ T1198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   69.206452][ T1198]  ? move_addr_to_kernel (net/socket.c:258)
[   69.206460][ T1198]  ___sys_sendmsg (net/socket.c:2767)
[   69.206462][ T1198]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.206478][ T1198]  __sys_sendmsg (net/socket.c:2799)
[   69.206481][ T1198]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.206488][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.206491][ T1198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.206494][ T1198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.206497][ T1198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.206499][ T1198] RIP: 0033:0x7fc7111eb54e
[   69.206502][ T1198] 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
[   69.206504][ T1198] RSP: 002b:00007fff42008100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.206507][ T1198] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc7111eb54e
[   69.206509][ T1198] RDX: 0000000000000000 RSI: 00007fff420081b0 RDI: 0000000000000005
[   69.206510][ T1198] RBP: 00007fff42008110 R08: 0000000000000000 R09: 0000000000000000
[   69.206510][ T1198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5f4
[   69.206511][ T1198] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff42008870
| [   71.561325][    C2] softirqs last disabled at (2868461): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   71.561327][    C2] Preemption disabled at:
| [   71.561327][    C2] 0x0
| [   71.561337][    C2] Tainted: [W]=WARN
[   71.561339][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.561340][    C2] Call Trace:
[   71.561342][    C2]  <IRQ>
[   71.561343][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.561349][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.561352][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.561356][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.561360][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   71.561363][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561365][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   71.561368][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.561371][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.561375][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.561376][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.561378][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   71.561380][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.561382][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   71.561386][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.561389][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.561390][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561392][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.561394][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.561397][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.561399][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561401][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561402][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.561404][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   71.561406][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.561408][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.561411][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.561413][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.561414][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.561416][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561418][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.561419][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   71.561421][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.561423][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.561425][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.561427][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.561429][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.561441][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.561443][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.561449][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.561456][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   71.561460][    C2]  _printk (kernel/printk/printk.c:2504)
[   71.561463][    C2]  ? snapshot_read.cold (user.c:?)
[   71.561465][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   71.561469][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.561471][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   71.561473][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   71.561475][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   71.561478][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   71.561480][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   71.561482][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   71.561484][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.561486][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.561492][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561494][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.561496][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.561502][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   71.561504][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.561510][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.561517][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.561523][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   71.561526][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   71.561528][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   71.561532][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.561533][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.561535][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561537][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   71.561539][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.561547][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   71.561549][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.561551][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.561554][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   71.561556][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   71.561558][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.561560][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561562][    C2]  handle_softirqs (kernel/softirq.c:645)
[   71.561564][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.561565][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   71.561567][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   71.561569][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   71.561571][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   71.561573][    C2]  </IRQ>
[   71.561574][    C2]  <TASK>
[   71.561575][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   71.561576][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   71.561578][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   71.561581][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   71.561583][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   71.561586][    C2] RAX: 00000000002bc4eb RBX: ff11000001bec6c0 RCX: ffffffffb2af0307
[   71.561588][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb5838af6 RDI: ffffffffb528d8e0
[   71.561588][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   71.561589][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   71.561590][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   71.561592][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.561595][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   71.561597][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   71.561599][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.561601][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   71.561602][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   71.561605][    C2]  ? trace_sched_exit_tp (./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/sched.h:886)
[   71.561606][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.561608][    C2]  do_idle (kernel/sched/idle.c:355)
[   71.561610][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   71.561612][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   71.561614][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   71.561616][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   71.627385][    C2]
| [   71.627452][    C2]
| [   71.627452][    C2] stack backtrace:
| [   71.627669][    C2] Tainted: [W]=WARN
[   71.627670][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.627671][    C2] Call Trace:
[   71.627672][    C2]  <IRQ>
[   71.627673][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.627677][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   71.627680][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   71.627683][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   71.627684][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   71.627686][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   71.627688][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.627690][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.627697][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.627700][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.627702][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.627709][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   71.627710][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.627718][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.627726][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.627734][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   71.627736][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   71.627738][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   71.627741][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.627743][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.627745][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.627747][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   71.627749][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.627756][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   71.627758][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.627761][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.627763][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   71.627765][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   71.627767][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.627769][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.627771][    C2]  handle_softirqs (kernel/softirq.c:645)
[   71.627773][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.627774][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   71.627776][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   71.627778][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   71.627779][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   71.627781][    C2]  </IRQ>
[   71.627782][    C2]  <TASK>
[   71.627782][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   71.627784][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   71.627786][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   71.627788][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   71.627789][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   71.627791][    C2] RAX: 00000000002bc4eb RBX: ff11000001bec6c0 RCX: ffffffffb2af0307
[   71.627792][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb5838af6 RDI: ffffffffb528d8e0
[   71.627793][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   71.627794][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   71.627795][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   71.627797][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.627799][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   71.627801][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   71.627802][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.627804][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   71.627805][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   71.627807][    C2]  ? trace_sched_exit_tp (./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/sched.h:886)
[   71.627809][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.627811][    C2]  do_idle (kernel/sched/idle.c:355)
[   71.627813][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   71.627814][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   71.627816][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   71.627818][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   72.562621][ T1295] softirqs last disabled at (0): 0x0
| [   72.562623][ T1295] Preemption disabled at:
| [   72.562624][ T1295] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.562635][ T1295] Tainted: [W]=WARN
[   72.562636][ T1295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.562637][ T1295] Call Trace:
[   72.562639][ T1295]  <TASK>
[   72.562640][ T1295]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.562645][ T1295]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.562647][ T1295]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.562651][ T1295]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.562655][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562659][ T1295]  __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))
[   72.562662][ T1295]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.562665][ T1295]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.562669][ T1295]  ? 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)
[   72.562670][ T1295]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.562672][ T1295]  put_chars (drivers/char/virtio_console.c:1176)
[   72.562674][ T1295]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.562675][ T1295]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   72.562677][ T1295]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   72.562680][ T1295]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.562683][ T1295]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.562684][ T1295]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.562686][ T1295]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.562688][ T1295]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.562691][ T1295]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.562693][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562694][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562696][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562698][ T1295]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.562700][ T1295]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.562702][ T1295]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.562704][ T1295]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.562707][ T1295]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.562709][ T1295]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.562710][ T1295]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.562712][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562713][ T1295]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.562715][ T1295]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.562716][ T1295]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   72.562719][ T1295]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.562720][ T1295]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.562722][ T1295]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.562725][ T1295]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.562727][ T1295]  ? __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)
[   72.562730][ T1295]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.562731][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562734][ T1295]  _printk (kernel/printk/printk.c:2504)
[   72.562737][ T1295]  ? snapshot_read.cold (user.c:?)
[   72.562738][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562740][ T1295]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.562742][ T1295]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   72.562744][ T1295] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   72.562758][ T1295] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   72.562766][ T1295] new_nbp (net/bridge/br_if.c:449) bridge
[   72.562775][ T1295] br_add_if (net/bridge/br_if.c:592) bridge
[   72.562783][ T1295]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.562786][ T1295]  do_set_master (net/core/rtnetlink.c:3071)
[   72.562790][ T1295]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   72.562792][ T1295]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   72.562794][ T1295]  ? __dev_get_by_name (net/core/dev.c:905)
[   72.562796][ T1295]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   72.562800][ T1295]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   72.562803][ T1295]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.562805][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562807][ T1295]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.562808][ T1295]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.562810][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562812][ T1295]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.562815][ T1295]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.562818][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562819][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562821][ T1295]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   72.562825][ T1295]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.562826][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562828][ T1295]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.562829][ T1295]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.562831][ T1295]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.562832][ T1295]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.562835][ T1295]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.562839][ T1295]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.562842][ T1295]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.562843][ T1295]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.562845][ T1295]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.562846][ T1295]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   72.562849][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562850][ T1295]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.562852][ T1295]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.562854][ T1295]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.562856][ T1295]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   72.562859][ T1295]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.562861][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562863][ T1295]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.562865][ T1295]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.562867][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562869][ T1295]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.562870][ T1295]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.562873][ T1295]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.562875][ T1295]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.562876][ T1295]  ? move_addr_to_kernel (net/socket.c:258)
[   72.562879][ T1295]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   72.562881][ T1295]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   72.562885][ T1295]  ___sys_sendmsg (net/socket.c:2767)
[   72.562887][ T1295]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.562892][ T1295]  __sys_sendmsg (net/socket.c:2799)
[   72.562894][ T1295]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.562897][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562899][ T1295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.562901][ T1295]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.562903][ T1295]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.562905][ T1295]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.562907][ T1295] RIP: 0033:0x7f697ce9654e
[   72.562909][ T1295] 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
[   72.562911][ T1295] RSP: 002b:00007ffd828ebf00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.562915][ T1295] RAX: ffffffffffffffda RBX: 00007ffd828ec6b8 RCX: 00007f697ce9654e
[   72.562917][ T1295] RDX: 0000000000000000 RSI: 00007ffd828ebfb0 RDI: 0000000000000005
[   72.562918][ T1295] RBP: 00007ffd828ebf10 R08: 0000000000000000 R09: 0000000000000000
[   72.562919][ T1295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5f8
[   72.562920][ T1295] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd828ec670
| [   73.565368][ T1360] softirqs last disabled at (0): 0x0
| [   73.565370][ T1360] Preemption disabled at:
| [   73.565370][ T1360] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.565381][ T1360] Tainted: [W]=WARN
[   73.565382][ T1360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.565384][ T1360] Call Trace:
[   73.565385][ T1360]  <TASK>
[   73.565386][ T1360]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.565392][ T1360]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.565394][ T1360]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.565397][ T1360]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.565401][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565404][ T1360]  __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))
[   73.565408][ T1360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.565411][ T1360]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.565415][ T1360]  ? 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)
[   73.565416][ T1360]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.565418][ T1360]  put_chars (drivers/char/virtio_console.c:1176)
[   73.565420][ T1360]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.565421][ T1360]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   73.565423][ T1360]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   73.565426][ T1360]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.565429][ T1360]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.565430][ T1360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.565432][ T1360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.565434][ T1360]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.565436][ T1360]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.565438][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565440][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565442][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565443][ T1360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.565445][ T1360]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   73.565447][ T1360]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.565449][ T1360]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.565452][ T1360]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.565454][ T1360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.565455][ T1360]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.565457][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565458][ T1360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.565460][ T1360]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   73.565461][ T1360]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   73.565463][ T1360]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.565465][ T1360]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.565467][ T1360]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.565469][ T1360]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.565471][ T1360]  ? __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)
[   73.565475][ T1360]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   73.565476][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565478][ T1360]  _printk (kernel/printk/printk.c:2504)
[   73.565481][ T1360]  ? snapshot_read.cold (user.c:?)
[   73.565483][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565484][ T1360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.565486][ T1360]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   73.565488][ T1360] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   73.565500][ T1360] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   73.565508][ T1360] new_nbp (net/bridge/br_if.c:449) bridge
[   73.565517][ T1360] br_add_if (net/bridge/br_if.c:592) bridge
[   73.565525][ T1360]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   73.565527][ T1360]  do_set_master (net/core/rtnetlink.c:3071)
[   73.565531][ T1360]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   73.565533][ T1360]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   73.565535][ T1360]  ? __dev_get_by_name (net/core/dev.c:905)
[   73.565537][ T1360]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   73.565541][ T1360]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   73.565544][ T1360]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.565546][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565547][ T1360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.565549][ T1360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.565550][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565552][ T1360]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   73.565556][ T1360]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   73.565558][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565559][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565561][ T1360]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   73.565564][ T1360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.565566][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565568][ T1360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.565569][ T1360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.565571][ T1360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.565572][ T1360]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.565575][ T1360]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   73.565578][ T1360]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.565581][ T1360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.565582][ T1360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.565584][ T1360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.565585][ T1360]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   73.565588][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565589][ T1360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.565591][ T1360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.565593][ T1360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.565595][ T1360]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   73.565598][ T1360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.565599][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565601][ T1360]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.565603][ T1360]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.565605][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565607][ T1360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.565609][ T1360]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   73.565612][ T1360]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.565613][ T1360]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   73.565615][ T1360]  ? move_addr_to_kernel (net/socket.c:258)
[   73.565617][ T1360]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   73.565620][ T1360]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   73.565623][ T1360]  ___sys_sendmsg (net/socket.c:2767)
[   73.565625][ T1360]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.565630][ T1360]  __sys_sendmsg (net/socket.c:2799)
[   73.565632][ T1360]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.565634][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565636][ T1360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.565638][ T1360]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.565640][ T1360]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.565642][ T1360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.565644][ T1360] RIP: 0033:0x7f91c6bb354e
[   73.565646][ T1360] 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
[   73.565648][ T1360] RSP: 002b:00007fff821d4da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.565652][ T1360] RAX: ffffffffffffffda RBX: 00007fff821d5558 RCX: 00007f91c6bb354e
[   73.565653][ T1360] RDX: 0000000000000000 RSI: 00007fff821d4e50 RDI: 0000000000000005
[   73.565654][ T1360] RBP: 00007fff821d4db0 R08: 0000000000000000 R09: 0000000000000000
[   73.565655][ T1360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5f9
[   73.565656][ T1360] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff821d5510
| [  120.720428][T17897] softirqs last disabled at (0): 0x0
| [  120.720430][T17897] Preemption disabled at:
| [  120.720431][T17897] vprintk_emit (kernel/printk/printk.c:2471)
| [  120.720442][T17897] Tainted: [W]=WARN
[  120.720443][T17897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  120.720445][T17897] Call Trace:
[  120.720446][T17897]  <TASK>
[  120.720447][T17897]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  120.720453][T17897]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  120.720455][T17897]  __might_resched.cold (kernel/sched/core.c:9234)
[  120.720458][T17897]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  120.720462][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720466][T17897]  __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))
[  120.720469][T17897]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.720472][T17897]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.720476][T17897]  ? 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)
[  120.720477][T17897]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.720479][T17897]  put_chars (drivers/char/virtio_console.c:1176)
[  120.720481][T17897]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  120.720483][T17897]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  120.720486][T17897]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  120.720489][T17897]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  120.720490][T17897]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.720492][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720494][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.720496][T17897]  console_emit_next_record (kernel/printk/printk.c:3183)
[  120.720498][T17897]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  120.720500][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720502][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720504][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720505][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.720507][T17897]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  120.720509][T17897]  console_flush_one_record (kernel/printk/printk.c:3268)
[  120.720511][T17897]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  120.720514][T17897]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  120.720516][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.720517][T17897]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  120.720519][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720520][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.720522][T17897]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  120.720523][T17897]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  120.720525][T17897]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  120.720527][T17897]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  120.720529][T17897]  vprintk_emit (kernel/printk/printk.c:2479)
[  120.720531][T17897]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  120.720533][T17897]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.720536][T17897]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  120.720539][T17897]  ? ___sys_sendmsg (net/socket.c:2767)
[  120.720541][T17897]  ? __sys_sendmsg (net/socket.c:2799)
[  120.720543][T17897]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.720545][T17897]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.720548][T17897]  _printk (kernel/printk/printk.c:2504)
[  120.720551][T17897]  ? snapshot_read.cold (user.c:?)
[  120.720552][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720554][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720556][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720558][T17897]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  120.720560][T17897]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  120.720563][T17897]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  120.720565][T17897]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  120.720566][T17897]  ? netdev_notice (net/core/dev.c:13194)
[  120.720568][T17897]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  120.720571][T17897]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  120.720572][T17897]  ? trace_contention_end (./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/lock.h:121)
[  120.720574][T17897]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  120.720577][T17897]  dev_set_allmulti (net/core/dev_api.c:315)
[  120.720580][T17897] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  120.720592][T17897]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  120.720595][T17897] br_dev_delete (net/bridge/br_if.c:387) bridge
[  120.720602][T17897]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  120.720605][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.720607][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720609][T17897]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  120.720611][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720617][T17897]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  120.720620][T17897]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.720621][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720623][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720625][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.720626][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720628][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.720629][T17897]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  120.720632][T17897]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  120.720634][T17897]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  120.720636][T17897]  ? __kernel_text_address (kernel/extable.c:79)
[  120.720638][T17897]  ? write_profile (profile.c:?)
[  120.720640][T17897]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  120.720641][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720643][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720644][T17897]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  120.720648][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.720649][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720651][T17897]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  120.720653][T17897]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  120.720655][T17897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  120.720656][T17897]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  120.720658][T17897]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  120.720662][T17897]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  120.720663][T17897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  120.720664][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.720666][T17897]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  120.720667][T17897]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  120.720670][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720671][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.720673][T17897]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.720675][T17897]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  120.720677][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720679][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720680][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.720682][T17897]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  120.720684][T17897]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  120.720686][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720688][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.720690][T17897]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  120.720691][T17897]  ? copy_msghdr_from_user (net/socket.c:2650)
[  120.720693][T17897]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  120.720695][T17897]  ? move_addr_to_kernel (net/socket.c:258)
[  120.720696][T17897]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  120.720699][T17897]  ___sys_sendmsg (net/socket.c:2767)
[  120.720700][T17897]  ? copy_msghdr_from_user (net/socket.c:2619)
[  120.720705][T17897]  __sys_sendmsg (net/socket.c:2799)
[  120.720707][T17897]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  120.720710][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.720712][T17897]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.720713][T17897]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  120.720715][T17897]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.720717][T17897] RIP: 0033:0x7fa44ff5d54e
[  120.720719][T17897] 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
[  120.720721][T17897] RSP: 002b:00007ffcc541ba20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  120.720724][T17897] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa44ff5d54e
[  120.720726][T17897] RDX: 0000000000000000 RSI: 00007ffcc541bad0 RDI: 0000000000000005
[  120.720727][T17897] RBP: 00007ffcc541ba30 R08: 0000000000000000 R09: 0000000000000000
[  120.720728][T17897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a628
[  120.720729][T17897] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc541c190
| [  122.505335][T17934] softirqs last disabled at (0): 0x0
| [  122.505337][T17934] Preemption disabled at:
| [  122.505338][T17934] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.505349][T17934] Tainted: [W]=WARN
[  122.505350][T17934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.505351][T17934] Call Trace:
[  122.505353][T17934]  <TASK>
[  122.505354][T17934]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.505359][T17934]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.505361][T17934]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.505365][T17934]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.505368][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505372][T17934]  __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))
[  122.505376][T17934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.505385][T17934]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.505389][T17934]  ? 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)
[  122.505391][T17934]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.505393][T17934]  put_chars (drivers/char/virtio_console.c:1176)
[  122.505395][T17934]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.505396][T17934]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  122.505399][T17934]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.505402][T17934]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.505404][T17934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.505406][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505407][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.505410][T17934]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.505412][T17934]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.505414][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505416][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505418][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505419][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.505421][T17934]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.505423][T17934]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.505425][T17934]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.505428][T17934]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.505430][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.505431][T17934]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.505433][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505435][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.505436][T17934]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  122.505438][T17934]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  122.505440][T17934]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.505442][T17934]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.505444][T17934]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.505446][T17934]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.505448][T17934]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.505451][T17934]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.505454][T17934]  ? ___sys_sendmsg (net/socket.c:2767)
[  122.505456][T17934]  ? __sys_sendmsg (net/socket.c:2799)
[  122.505457][T17934]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.505460][T17934]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.505462][T17934]  _printk (kernel/printk/printk.c:2504)
[  122.505465][T17934]  ? snapshot_read.cold (user.c:?)
[  122.505467][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505469][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505471][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505472][T17934]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  122.505475][T17934]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  122.505478][T17934]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  122.505480][T17934]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  122.505482][T17934]  ? netdev_notice (net/core/dev.c:13194)
[  122.505483][T17934]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  122.505486][T17934]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  122.505488][T17934]  ? trace_contention_end (./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/lock.h:121)
[  122.505490][T17934]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  122.505493][T17934]  dev_set_allmulti (net/core/dev_api.c:315)
[  122.505496][T17934] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  122.505508][T17934]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  122.505511][T17934] br_dev_delete (net/bridge/br_if.c:387) bridge
[  122.505518][T17934]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  122.505521][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.505523][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505525][T17934]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  122.505527][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505534][T17934]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  122.505536][T17934]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.505538][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505539][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505541][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.505542][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505544][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.505546][T17934]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  122.505549][T17934]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  122.505551][T17934]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  122.505553][T17934]  ? __kernel_text_address (kernel/extable.c:79)
[  122.505554][T17934]  ? write_profile (profile.c:?)
[  122.505557][T17934]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  122.505558][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505560][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505561][T17934]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.505565][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.505567][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505568][T17934]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  122.505571][T17934]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.505572][T17934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.505574][T17934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.505575][T17934]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.505579][T17934]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.505581][T17934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.505582][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.505583][T17934]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.505585][T17934]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.505588][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505590][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.505592][T17934]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.505594][T17934]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.505595][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505597][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505599][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.505600][T17934]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.505602][T17934]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.505604][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505606][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.505608][T17934]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.505610][T17934]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.505612][T17934]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  122.505613][T17934]  ? move_addr_to_kernel (net/socket.c:258)
[  122.505615][T17934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.505617][T17934]  ___sys_sendmsg (net/socket.c:2767)
[  122.505619][T17934]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.505624][T17934]  __sys_sendmsg (net/socket.c:2799)
[  122.505626][T17934]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.505629][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.505631][T17934]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.505632][T17934]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.505635][T17934]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.505636][T17934] RIP: 0033:0x7ffa53a9654e
[  122.505638][T17934] 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
[  122.505640][T17934] RSP: 002b:00007ffdbf5b05b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.505644][T17934] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffa53a9654e
[  122.505646][T17934] RDX: 0000000000000000 RSI: 00007ffdbf5b0660 RDI: 0000000000000005
[  122.505647][T17934] RBP: 00007ffdbf5b05c0 R08: 0000000000000000 R09: 0000000000000000
[  122.505647][T17934] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a629
[  122.505648][T17934] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbf5b0d20
| [  124.511186][T17973] softirqs last disabled at (0): 0x0
| [  124.511188][T17973] Preemption disabled at:
| [  124.511189][T17973] vprintk_emit (kernel/printk/printk.c:2471)
| [  124.511200][T17973] Tainted: [W]=WARN
[  124.511201][T17973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  124.511202][T17973] Call Trace:
[  124.511204][T17973]  <TASK>
[  124.511205][T17973]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  124.511211][T17973]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  124.511213][T17973]  __might_resched.cold (kernel/sched/core.c:9234)
[  124.511217][T17973]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  124.511220][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511224][T17973]  __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))
[  124.511228][T17973]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  124.511230][T17973]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.511234][T17973]  ? 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)
[  124.511236][T17973]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.511242][T17973]  put_chars (drivers/char/virtio_console.c:1176)
[  124.511244][T17973]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  124.511246][T17973]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  124.511248][T17973]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  124.511251][T17973]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  124.511254][T17973]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  124.511255][T17973]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  124.511257][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.511259][T17973]  console_emit_next_record (kernel/printk/printk.c:3183)
[  124.511262][T17973]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  124.511264][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511266][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511267][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511269][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.511271][T17973]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  124.511273][T17973]  console_flush_one_record (kernel/printk/printk.c:3268)
[  124.511275][T17973]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  124.511278][T17973]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  124.511280][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.511281][T17973]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  124.511283][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511285][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.511286][T17973]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  124.511288][T17973]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  124.511290][T17973]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  124.511292][T17973]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  124.511294][T17973]  vprintk_emit (kernel/printk/printk.c:2479)
[  124.511297][T17973]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  124.511299][T17973]  ? __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)
[  124.511302][T17973]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  124.511303][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511305][T17973]  _printk (kernel/printk/printk.c:2504)
[  124.511308][T17973]  ? snapshot_read.cold (user.c:?)
[  124.511310][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511312][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.511314][T17973]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  124.511316][T17973] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  124.511330][T17973] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  124.511338][T17973] new_nbp (net/bridge/br_if.c:449) bridge
[  124.511347][T17973] br_add_if (net/bridge/br_if.c:592) bridge
[  124.511354][T17973]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  124.511357][T17973]  do_set_master (net/core/rtnetlink.c:3071)
[  124.511361][T17973]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  124.511363][T17973]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  124.511365][T17973]  ? __dev_get_by_name (net/core/dev.c:905)
[  124.511367][T17973]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  124.511371][T17973]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  124.511373][T17973]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  124.511376][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511378][T17973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.511379][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.511380][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511382][T17973]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  124.511386][T17973]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  124.511388][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511390][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511391][T17973]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  124.511404][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.511405][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511407][T17973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.511409][T17973]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  124.511411][T17973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.511412][T17973]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  124.511415][T17973]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  124.511418][T17973]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  124.511421][T17973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.511422][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.511424][T17973]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  124.511425][T17973]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  124.511428][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511430][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.511432][T17973]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  124.511434][T17973]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  124.511435][T17973]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[  124.511439][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.511440][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511442][T17973]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  124.511444][T17973]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  124.511446][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511448][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.511450][T17973]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  124.511452][T17973]  ? copy_msghdr_from_user (net/socket.c:2650)
[  124.511454][T17973]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  124.511456][T17973]  ? move_addr_to_kernel (net/socket.c:258)
[  124.511458][T17973]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  124.511461][T17973]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  124.511464][T17973]  ___sys_sendmsg (net/socket.c:2767)
[  124.511466][T17973]  ? copy_msghdr_from_user (net/socket.c:2619)
[  124.511471][T17973]  __sys_sendmsg (net/socket.c:2799)
[  124.511473][T17973]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  124.511475][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511477][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.511479][T17973]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  124.511481][T17973]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  124.511484][T17973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  124.511485][T17973] RIP: 0033:0x7f2cd4c2f54e
[  124.511488][T17973] 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
[  124.511490][T17973] RSP: 002b:00007ffec2951500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  124.511493][T17973] RAX: ffffffffffffffda RBX: 00007ffec2951cb8 RCX: 00007f2cd4c2f54e
[  124.511495][T17973] RDX: 0000000000000000 RSI: 00007ffec29515b0 RDI: 0000000000000005
[  124.511496][T17973] RBP: 00007ffec2951510 R08: 0000000000000000 R09: 0000000000000000
[  124.511497][T17973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a62b
[  124.511498][T17973] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec2951c70
| [  125.517517][T18042] softirqs last disabled at (0): 0x0
| [  125.517518][T18042] Preemption disabled at:
| [  125.517519][T18042] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.517530][T18042] Tainted: [W]=WARN
[  125.517531][T18042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.517533][T18042] Call Trace:
[  125.517535][T18042]  <TASK>
[  125.517536][T18042]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.517541][T18042]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.517543][T18042]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.517547][T18042]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.517551][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517555][T18042]  __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))
[  125.517558][T18042]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.517561][T18042]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.517565][T18042]  ? 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)
[  125.517566][T18042]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.517568][T18042]  put_chars (drivers/char/virtio_console.c:1176)
[  125.517570][T18042]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.517571][T18042]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  125.517574][T18042]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  125.517576][T18042]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.517580][T18042]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.517581][T18042]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.517583][T18042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.517585][T18042]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.517588][T18042]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.517590][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517592][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517594][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517595][T18042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.517597][T18042]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  125.517599][T18042]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.517601][T18042]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.517604][T18042]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.517606][T18042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.517607][T18042]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.517609][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517611][T18042]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.517612][T18042]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  125.517613][T18042]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  125.517616][T18042]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.517618][T18042]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.517620][T18042]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.517622][T18042]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.517624][T18042]  ? __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)
[  125.517627][T18042]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  125.517628][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517631][T18042]  _printk (kernel/printk/printk.c:2504)
[  125.517634][T18042]  ? snapshot_read.cold (user.c:?)
[  125.517636][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517638][T18042]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.517639][T18042]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  125.517641][T18042] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  125.517654][T18042] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  125.517662][T18042] new_nbp (net/bridge/br_if.c:449) bridge
[  125.517671][T18042] br_add_if (net/bridge/br_if.c:592) bridge
[  125.517679][T18042]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  125.517681][T18042]  do_set_master (net/core/rtnetlink.c:3071)
[  125.517686][T18042]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.517688][T18042]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  125.517689][T18042]  ? __dev_get_by_name (net/core/dev.c:905)
[  125.517691][T18042]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  125.517695][T18042]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.517698][T18042]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.517700][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517702][T18042]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.517703][T18042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.517705][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517707][T18042]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  125.517710][T18042]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  125.517713][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517714][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517716][T18042]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  125.517720][T18042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.517722][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517724][T18042]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.517725][T18042]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  125.517727][T18042]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.517728][T18042]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  125.517730][T18042]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  125.517735][T18042]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  125.517738][T18042]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.517739][T18042]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.517741][T18042]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  125.517742][T18042]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  125.517744][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517746][T18042]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.517748][T18042]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  125.517750][T18042]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  125.517752][T18042]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  125.517755][T18042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.517757][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517759][T18042]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  125.517761][T18042]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  125.517763][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517765][T18042]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.517767][T18042]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  125.517770][T18042]  ? copy_msghdr_from_user (net/socket.c:2650)
[  125.517772][T18042]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  125.517773][T18042]  ? move_addr_to_kernel (net/socket.c:258)
[  125.517775][T18042]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  125.517778][T18042]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  125.517781][T18042]  ___sys_sendmsg (net/socket.c:2767)
[  125.517783][T18042]  ? copy_msghdr_from_user (net/socket.c:2619)
[  125.517788][T18042]  __sys_sendmsg (net/socket.c:2799)
[  125.517791][T18042]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  125.517794][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517796][T18042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.517798][T18042]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  125.517801][T18042]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  125.517803][T18042]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.517805][T18042] RIP: 0033:0x7f0a708cc54e
[  125.517807][T18042] 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
[  125.517809][T18042] RSP: 002b:00007ffc418a1990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  125.517813][T18042] RAX: ffffffffffffffda RBX: 00007ffc418a2148 RCX: 00007f0a708cc54e
[  125.517814][T18042] RDX: 0000000000000000 RSI: 00007ffc418a1a40 RDI: 0000000000000005
[  125.517815][T18042] RBP: 00007ffc418a19a0 R08: 0000000000000000 R09: 0000000000000000
[  125.517816][T18042] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a62c
[  125.517817][T18042] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc418a2100
| [  126.534467][T18102] softirqs last disabled at (0): 0x0
| [  126.534469][T18102] Preemption disabled at:
| [  126.534470][T18102] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.534481][T18102] Tainted: [W]=WARN
[  126.534482][T18102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.534483][T18102] Call Trace:
[  126.534485][T18102]  <TASK>
[  126.534486][T18102]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.534491][T18102]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.534493][T18102]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.534497][T18102]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.534500][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534504][T18102]  __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))
[  126.534508][T18102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.534510][T18102]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.534514][T18102]  ? 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)
[  126.534516][T18102]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.534518][T18102]  put_chars (drivers/char/virtio_console.c:1176)
[  126.534520][T18102]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.534521][T18102]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  126.534523][T18102]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  126.534526][T18102]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.534529][T18102]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.534530][T18102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.534532][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.534534][T18102]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.534537][T18102]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.534539][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534541][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534542][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534544][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.534546][T18102]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  126.534548][T18102]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.534550][T18102]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.534553][T18102]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.534555][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.534556][T18102]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.534558][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534560][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.534561][T18102]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  126.534563][T18102]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  126.534565][T18102]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.534567][T18102]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.534569][T18102]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.534571][T18102]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.534574][T18102]  ? __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)
[  126.534577][T18102]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.534578][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534580][T18102]  _printk (kernel/printk/printk.c:2504)
[  126.534583][T18102]  ? snapshot_read.cold (user.c:?)
[  126.534585][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534587][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.534589][T18102]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  126.534591][T18102] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  126.534603][T18102] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  126.534611][T18102] new_nbp (net/bridge/br_if.c:449) bridge
[  126.534620][T18102] br_add_if (net/bridge/br_if.c:592) bridge
[  126.534627][T18102]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  126.534630][T18102]  do_set_master (net/core/rtnetlink.c:3071)
[  126.534634][T18102]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  126.534636][T18102]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  126.534638][T18102]  ? __dev_get_by_name (net/core/dev.c:905)
[  126.534640][T18102]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  126.534644][T18102]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  126.534647][T18102]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.534649][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534651][T18102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.534652][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.534654][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534656][T18102]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  126.534659][T18102]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  126.534661][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534663][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534665][T18102]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  126.534669][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.534670][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534672][T18102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.534674][T18102]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.534675][T18102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.534677][T18102]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  126.534679][T18102]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  126.534684][T18102]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.534686][T18102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.534688][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.534689][T18102]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.534691][T18102]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  126.534693][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534695][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.534697][T18102]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.534699][T18102]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.534701][T18102]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  126.534704][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.534706][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534708][T18102]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.534710][T18102]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.534712][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534714][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.534716][T18102]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  126.534718][T18102]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.534720][T18102]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  126.534722][T18102]  ? move_addr_to_kernel (net/socket.c:258)
[  126.534724][T18102]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  126.534726][T18102]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  126.534730][T18102]  ___sys_sendmsg (net/socket.c:2767)
[  126.534732][T18102]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.534737][T18102]  __sys_sendmsg (net/socket.c:2799)
[  126.534739][T18102]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.534741][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534743][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.534745][T18102]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.534748][T18102]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.534750][T18102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.534752][T18102] RIP: 0033:0x7fe5872ea54e
[  126.534754][T18102] 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
[  126.534756][T18102] RSP: 002b:00007ffff0499030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.534760][T18102] RAX: ffffffffffffffda RBX: 00007ffff04997e8 RCX: 00007fe5872ea54e
[  126.534761][T18102] RDX: 0000000000000000 RSI: 00007ffff04990e0 RDI: 0000000000000005
[  126.534762][T18102] RBP: 00007ffff0499040 R08: 0000000000000000 R09: 0000000000000000
[  126.534763][T18102] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a62d
[  126.534764][T18102] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff04997a0
| [  174.105192][ T2167] softirqs last disabled at (0): 0x0
| [  174.105194][ T2167] Preemption disabled at:
| [  174.105194][ T2167] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.105205][ T2167] Tainted: [W]=WARN
[  174.105206][ T2167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.105208][ T2167] Call Trace:
[  174.105210][ T2167]  <TASK>
[  174.105211][ T2167]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.105216][ T2167]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.105218][ T2167]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.105222][ T2167]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.105225][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105229][ T2167]  __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))
[  174.105232][ T2167]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.105235][ T2167]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.105241][ T2167]  ? 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)
[  174.105243][ T2167]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.105245][ T2167]  put_chars (drivers/char/virtio_console.c:1176)
[  174.105247][ T2167]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.105249][ T2167]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  174.105251][ T2167]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.105255][ T2167]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.105256][ T2167]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.105258][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105260][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.105262][ T2167]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.105265][ T2167]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.105267][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105268][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105270][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105272][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.105274][ T2167]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  174.105275][ T2167]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.105278][ T2167]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.105280][ T2167]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.105282][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.105284][ T2167]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.105285][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105287][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.105288][ T2167]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  174.105290][ T2167]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  174.105292][ T2167]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.105294][ T2167]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.105296][ T2167]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.105298][ T2167]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.105300][ T2167]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.105303][ T2167]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  174.105306][ T2167]  ? ___sys_sendmsg (net/socket.c:2767)
[  174.105308][ T2167]  ? __sys_sendmsg (net/socket.c:2799)
[  174.105309][ T2167]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.105312][ T2167]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.105315][ T2167]  _printk (kernel/printk/printk.c:2504)
[  174.105318][ T2167]  ? snapshot_read.cold (user.c:?)
[  174.105319][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105321][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105323][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105324][ T2167]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  174.105327][ T2167]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  174.105330][ T2167]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  174.105332][ T2167]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  174.105334][ T2167]  ? netdev_notice (net/core/dev.c:13194)
[  174.105335][ T2167]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  174.105338][ T2167]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  174.105339][ T2167]  ? trace_contention_end (./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/lock.h:121)
[  174.105341][ T2167]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  174.105344][ T2167]  dev_set_allmulti (net/core/dev_api.c:315)
[  174.105347][ T2167] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  174.105359][ T2167]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  174.105363][ T2167] br_dev_delete (net/bridge/br_if.c:387) bridge
[  174.105370][ T2167]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  174.105373][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.105375][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105377][ T2167]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.105379][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105385][ T2167]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  174.105388][ T2167]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.105390][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105391][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105393][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.105394][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105396][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.105398][ T2167]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  174.105401][ T2167]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  174.105403][ T2167]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.105405][ T2167]  ? __kernel_text_address (kernel/extable.c:79)
[  174.105406][ T2167]  ? write_profile (profile.c:?)
[  174.105409][ T2167]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  174.105410][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105412][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105414][ T2167]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  174.105417][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.105419][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105421][ T2167]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.105423][ T2167]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.105425][ T2167]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.105426][ T2167]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.105428][ T2167]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  174.105431][ T2167]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.105433][ T2167]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.105434][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.105436][ T2167]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.105437][ T2167]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  174.105439][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105441][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.105443][ T2167]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.105445][ T2167]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.105447][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105448][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105450][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.105452][ T2167]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.105454][ T2167]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.105456][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105457][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.105459][ T2167]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  174.105461][ T2167]  ? copy_msghdr_from_user (net/socket.c:2650)
[  174.105462][ T2167]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  174.105464][ T2167]  ? move_addr_to_kernel (net/socket.c:258)
[  174.105465][ T2167]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.105468][ T2167]  ___sys_sendmsg (net/socket.c:2767)
[  174.105470][ T2167]  ? copy_msghdr_from_user (net/socket.c:2619)
[  174.105474][ T2167]  __sys_sendmsg (net/socket.c:2799)
[  174.105476][ T2167]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  174.105479][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.105481][ T2167]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.105482][ T2167]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.105485][ T2167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.105486][ T2167] RIP: 0033:0x7f0fad85e54e
[  174.105488][ T2167] 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
[  174.105490][ T2167] RSP: 002b:00007ffd5981be00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  174.105494][ T2167] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0fad85e54e
[  174.105495][ T2167] RDX: 0000000000000000 RSI: 00007ffd5981beb0 RDI: 0000000000000005
[  174.105496][ T2167] RBP: 00007ffd5981be10 R08: 0000000000000000 R09: 0000000000000000
[  174.105497][ T2167] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a65d
[  174.105498][ T2167] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5981c570
| [  175.883132][ T2204] softirqs last disabled at (0): 0x0
| [  175.883134][ T2204] Preemption disabled at:
| [  175.883135][ T2204] vprintk_emit (kernel/printk/printk.c:2471)
| [  175.883147][ T2204] Tainted: [W]=WARN
[  175.883148][ T2204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  175.883150][ T2204] Call Trace:
[  175.883152][ T2204]  <TASK>
[  175.883153][ T2204]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  175.883159][ T2204]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  175.883161][ T2204]  __might_resched.cold (kernel/sched/core.c:9234)
[  175.883165][ T2204]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  175.883168][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883172][ T2204]  __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))
[  175.883176][ T2204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  175.883179][ T2204]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.883185][ T2204]  ? 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)
[  175.883187][ T2204]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.883189][ T2204]  put_chars (drivers/char/virtio_console.c:1176)
[  175.883191][ T2204]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  175.883193][ T2204]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  175.883196][ T2204]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  175.883199][ T2204]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  175.883201][ T2204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  175.883203][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883204][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.883207][ T2204]  console_emit_next_record (kernel/printk/printk.c:3183)
[  175.883209][ T2204]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  175.883211][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883213][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883215][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883216][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.883218][ T2204]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  175.883220][ T2204]  console_flush_one_record (kernel/printk/printk.c:3268)
[  175.883223][ T2204]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  175.883225][ T2204]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  175.883227][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.883229][ T2204]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  175.883230][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883232][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.883233][ T2204]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  175.883235][ T2204]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  175.883237][ T2204]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  175.883239][ T2204]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  175.883241][ T2204]  vprintk_emit (kernel/printk/printk.c:2479)
[  175.883244][ T2204]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  175.883245][ T2204]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  175.883249][ T2204]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  175.883252][ T2204]  ? ___sys_sendmsg (net/socket.c:2767)
[  175.883253][ T2204]  ? __sys_sendmsg (net/socket.c:2799)
[  175.883255][ T2204]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  175.883258][ T2204]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.883260][ T2204]  _printk (kernel/printk/printk.c:2504)
[  175.883263][ T2204]  ? snapshot_read.cold (user.c:?)
[  175.883265][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883267][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883268][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883270][ T2204]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  175.883273][ T2204]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  175.883276][ T2204]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  175.883278][ T2204]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  175.883280][ T2204]  ? netdev_notice (net/core/dev.c:13194)
[  175.883281][ T2204]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  175.883284][ T2204]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  175.883286][ T2204]  ? trace_contention_end (./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/lock.h:121)
[  175.883288][ T2204]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  175.883291][ T2204]  dev_set_allmulti (net/core/dev_api.c:315)
[  175.883293][ T2204] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  175.883306][ T2204]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  175.883309][ T2204] br_dev_delete (net/bridge/br_if.c:387) bridge
[  175.883317][ T2204]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  175.883320][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.883321][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883323][ T2204]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  175.883325][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883332][ T2204]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  175.883335][ T2204]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.883336][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883338][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883340][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.883341][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883343][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.883344][ T2204]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  175.883348][ T2204]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  175.883350][ T2204]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  175.883352][ T2204]  ? __kernel_text_address (kernel/extable.c:79)
[  175.883354][ T2204]  ? write_profile (profile.c:?)
[  175.883356][ T2204]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  175.883357][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883359][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883361][ T2204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  175.883364][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.883366][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883368][ T2204]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  175.883370][ T2204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  175.883372][ T2204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  175.883373][ T2204]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  175.883375][ T2204]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  175.883379][ T2204]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  175.883380][ T2204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  175.883382][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.883383][ T2204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  175.883385][ T2204]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  175.883387][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883389][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.883391][ T2204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  175.883393][ T2204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  175.883394][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883396][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883398][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.883400][ T2204]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  175.883402][ T2204]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  175.883404][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883405][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.883407][ T2204]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  175.883409][ T2204]  ? copy_msghdr_from_user (net/socket.c:2650)
[  175.883411][ T2204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  175.883412][ T2204]  ? move_addr_to_kernel (net/socket.c:258)
[  175.883413][ T2204]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  175.883416][ T2204]  ___sys_sendmsg (net/socket.c:2767)
[  175.883418][ T2204]  ? copy_msghdr_from_user (net/socket.c:2619)
[  175.883423][ T2204]  __sys_sendmsg (net/socket.c:2799)
[  175.883425][ T2204]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  175.883427][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.883429][ T2204]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  175.883431][ T2204]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  175.883433][ T2204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.883434][ T2204] RIP: 0033:0x7fb535eab54e
[  175.883436][ T2204] 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
[  175.883438][ T2204] RSP: 002b:00007fffdba0c8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  175.883442][ T2204] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb535eab54e
[  175.883444][ T2204] RDX: 0000000000000000 RSI: 00007fffdba0c990 RDI: 0000000000000005
[  175.883445][ T2204] RBP: 00007fffdba0c8f0 R08: 0000000000000000 R09: 0000000000000000
[  175.883446][ T2204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a65f
[  175.883447][ T2204] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdba0d050
| [  189.259178][ T2338] softirqs last disabled at (0): 0x0
| [  189.259180][ T2338] Preemption disabled at:
| [  189.259181][ T2338] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.259192][ T2338] Tainted: [W]=WARN
[  189.259193][ T2338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.259195][ T2338] Call Trace:
[  189.259196][ T2338]  <TASK>
[  189.259197][ T2338]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.259202][ T2338]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.259204][ T2338]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.259208][ T2338]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.259211][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259215][ T2338]  __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))
[  189.259219][ T2338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.259221][ T2338]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.259225][ T2338]  ? 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)
[  189.259227][ T2338]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.259229][ T2338]  put_chars (drivers/char/virtio_console.c:1176)
[  189.259230][ T2338]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  189.259232][ T2338]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.259234][ T2338]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  189.259236][ T2338]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.259241][ T2338]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.259243][ T2338]  ? 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)
[  189.259244][ T2338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.259246][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259248][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259250][ T2338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.259252][ T2338]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.259254][ T2338]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.259256][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259258][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259260][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259261][ T2338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.259263][ T2338]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  189.259265][ T2338]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.259267][ T2338]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.259270][ T2338]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.259272][ T2338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.259273][ T2338]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.259275][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259277][ T2338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.259278][ T2338]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  189.259280][ T2338]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  189.259282][ T2338]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.259284][ T2338]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.259286][ T2338]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.259289][ T2338]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.259291][ T2338]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  189.259294][ T2338]  _printk (kernel/printk/printk.c:2504)
[  189.259297][ T2338]  ? snapshot_read.cold (user.c:?)
[  189.259300][ T2338]  ? 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)
[  189.259302][ T2338] gact_init_module (net/sched/act_gact.c:180) act_gact
[  189.259304][ T2338]  do_one_initcall (init/main.c:1357)
[  189.259306][ T2338]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  189.259308][ T2338]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  189.259311][ T2338]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  189.259314][ T2338]  do_init_module (kernel/module/main.c:3117)
[  189.259317][ T2338]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  189.259319][ T2338]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  189.259321][ T2338]  load_module (kernel/module/main.c:3593)
[  189.259324][ T2338]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  189.259327][ T2338]  ? __ia32_sys_fsconfig (??:?)
[  189.259329][ T2338]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  189.259332][ T2338]  ? backing_file_read_iter (fs/backing-file.c:211)
[  189.259336][ T2338]  init_module_from_file (kernel/module/main.c:3790)
[  189.259338][ T2338]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  189.259340][ T2338]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  189.259343][ T2338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.259344][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259346][ T2338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.259347][ T2338]  ? 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)
[  189.259349][ T2338]  idempotent_init_module (kernel/module/main.c:3802)
[  189.259352][ T2338]  ? init_module_from_file (kernel/module/main.c:3791)
[  189.259355][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.259356][ T2338]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  189.259360][ T2338]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  189.259362][ T2338]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  189.259365][ T2338]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  189.259368][ T2338]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  189.259370][ T2338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.259372][ T2338] RIP: 0033:0x7f9dcb88637d
[  189.259374][ T2338] 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
[  189.259376][ T2338] RSP: 002b:00007ffd86c2f978 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  189.259379][ T2338] RAX: ffffffffffffffda RBX: 0000561f1d96f810 RCX: 00007f9dcb88637d
[  189.259381][ T2338] RDX: 0000000000000000 RSI: 0000561f0386bffd RDI: 0000000000000000
[  189.259382][ T2338] RBP: 00007ffd86c2fa10 R08: 0000000000000000 R09: 0000000000000000
[  189.259383][ T2338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f0386bffd
[  189.259384][ T2338] R13: 0000561f1d96f960 R14: 0000000000040000 R15: 0000000000000000
| [  205.368567][ T2965] softirqs last disabled at (0): 0x0
| [  205.368569][ T2965] Preemption disabled at:
| [  205.368570][ T2965] 0x0
| [  205.368579][ T2965] Tainted: [W]=WARN
[  205.368580][ T2965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  205.368582][ T2965] Call Trace:
[  205.368583][ T2965]  <TASK>
[  205.368585][ T2965]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  205.368590][ T2965]  __might_resched.cold (kernel/sched/core.c:9234)
[  205.368594][ T2965]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  205.368598][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368602][ T2965]  __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))
[  205.368606][ T2965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  205.368608][ T2965]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  205.368612][ T2965]  ? 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)
[  205.368614][ T2965]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  205.368616][ T2965]  put_chars (drivers/char/virtio_console.c:1176)
[  205.368618][ T2965]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  205.368620][ T2965]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  205.368623][ T2965]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  205.368627][ T2965]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  205.368629][ T2965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  205.368631][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368633][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.368635][ T2965]  console_emit_next_record (kernel/printk/printk.c:3183)
[  205.368637][ T2965]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  205.368639][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368641][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368643][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368644][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.368646][ T2965]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  205.368648][ T2965]  console_flush_one_record (kernel/printk/printk.c:3268)
[  205.368650][ T2965]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  205.368653][ T2965]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  205.368655][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.368656][ T2965]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  205.368658][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368660][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  205.368661][ T2965]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  205.368662][ T2965]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  205.368665][ T2965]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  205.368666][ T2965]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  205.368668][ T2965]  vprintk_emit (kernel/printk/printk.c:2479)
[  205.368671][ T2965]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  205.368673][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368674][ T2965]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  205.368677][ T2965]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  205.368678][ T2965]  _printk (kernel/printk/printk.c:2504)
[  205.368682][ T2965]  ? snapshot_read.cold (user.c:?)
[  205.368684][ T2965]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  205.368688][ T2965] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  205.368702][ T2965] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  205.368710][ T2965] br_device_event (net/bridge/br.c:111) bridge
[  205.368718][ T2965]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  205.368721][ T2965]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  205.368724][ T2965]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  205.368727][ T2965]  notifier_call_chain (kernel/notifier.c:85)
[  205.368730][ T2965]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  205.368734][ T2965]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  205.368736][ T2965]  ? netif_change_name (net/core/dev.c:1517)
[  205.368738][ T2965]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  205.368740][ T2965]  ? __kernel_text_address (kernel/extable.c:79)
[  205.368742][ T2965]  ? write_profile (profile.c:?)
[  205.368744][ T2965]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  205.368747][ T2965]  netif_change_flags (net/core/dev.c:9882)
[  205.368749][ T2965]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  205.368752][ T2965]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  205.368754][ T2965]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  205.368755][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368757][ T2965]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  205.368760][ T2965]  ? kasan_save_stack (mm/kasan/common.c:58)
[  205.368763][ T2965]  ? kasan_save_stack (mm/kasan/common.c:57)
[  205.368765][ T2965]  ? kasan_save_track (mm/kasan/common.c:78)
[  205.368766][ T2965]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  205.368768][ T2965]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  205.368769][ T2965]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  205.368770][ T2965]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  205.368771][ T2965]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  205.368774][ T2965]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  205.368775][ T2965]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  205.368777][ T2965]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  205.368779][ T2965]  ? ___sys_sendmsg (net/socket.c:2767)
[  205.368781][ T2965]  ? __sys_sendmsg (net/socket.c:2799)
[  205.368782][ T2965]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  205.368784][ T2965]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  205.368787][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368789][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.368790][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368792][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368793][ T2965]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  205.368796][ T2965]  ? __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)
[  205.368798][ T2965]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  205.368799][ T2965]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  205.368801][ T2965]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  205.368803][ T2965]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  205.368805][ T2965]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  205.368807][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368809][ T2965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  205.368810][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.368812][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368814][ T2965]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  205.368817][ T2965]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  205.368819][ T2965]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  205.368820][ T2965]  ? __kernel_text_address (kernel/extable.c:79)
[  205.368822][ T2965]  ? write_profile (profile.c:?)
[  205.368823][ T2965]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  205.368824][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368826][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368828][ T2965]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  205.368831][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.368833][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368835][ T2965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  205.368836][ T2965]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  205.368838][ T2965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  205.368839][ T2965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  205.368840][ T2965]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  205.368843][ T2965]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  205.368844][ T2965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  205.368846][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  205.368847][ T2965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  205.368848][ T2965]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  205.368851][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368853][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  205.368855][ T2965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  205.368857][ T2965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  205.368858][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368860][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368862][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.368863][ T2965]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  205.368865][ T2965]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  205.368867][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368869][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  205.368871][ T2965]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  205.368872][ T2965]  ? copy_msghdr_from_user (net/socket.c:2650)
[  205.368874][ T2965]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  205.368876][ T2965]  ? move_addr_to_kernel (net/socket.c:258)
[  205.368877][ T2965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  205.368880][ T2965]  ___sys_sendmsg (net/socket.c:2767)
[  205.368882][ T2965]  ? copy_msghdr_from_user (net/socket.c:2619)
[  205.368887][ T2965]  __sys_sendmsg (net/socket.c:2799)
[  205.368888][ T2965]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  205.368891][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.368893][ T2965]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  205.368895][ T2965]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  205.368897][ T2965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  205.368899][ T2965] RIP: 0033:0x7f861fa1b54e
[  205.368900][ T2965] 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
[  205.368902][ T2965] RSP: 002b:00007ffe13f3ac50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  205.368906][ T2965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f861fa1b54e
[  205.368907][ T2965] RDX: 0000000000000000 RSI: 00007ffe13f3ad00 RDI: 0000000000000005
[  205.368908][ T2965] RBP: 00007ffe13f3ac60 R08: 0000000000000000 R09: 0000000000000000
[  205.368909][ T2965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a67c
[  205.368910][ T2965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe13f3b3c0
| [  221.629047][ T3057] softirqs last disabled at (0): 0x0
| [  221.629049][ T3057] Preemption disabled at:
| [  221.629050][ T3057] 0x0
| [  221.629058][ T3057] Tainted: [W]=WARN
[  221.629060][ T3057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  221.629061][ T3057] Call Trace:
[  221.629063][ T3057]  <TASK>
[  221.629065][ T3057]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  221.629070][ T3057]  __might_resched.cold (kernel/sched/core.c:9234)
[  221.629074][ T3057]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  221.629078][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629082][ T3057]  __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))
[  221.629086][ T3057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  221.629089][ T3057]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.629093][ T3057]  ? 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)
[  221.629094][ T3057]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.629097][ T3057]  put_chars (drivers/char/virtio_console.c:1176)
[  221.629099][ T3057]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  221.629100][ T3057]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  221.629104][ T3057]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  221.629108][ T3057]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  221.629110][ T3057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  221.629118][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629120][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.629122][ T3057]  console_emit_next_record (kernel/printk/printk.c:3183)
[  221.629125][ T3057]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  221.629127][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629129][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629130][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629132][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.629134][ T3057]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  221.629136][ T3057]  console_flush_one_record (kernel/printk/printk.c:3268)
[  221.629138][ T3057]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  221.629141][ T3057]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  221.629143][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.629145][ T3057]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  221.629146][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629148][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.629150][ T3057]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  221.629151][ T3057]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  221.629154][ T3057]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  221.629156][ T3057]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  221.629158][ T3057]  vprintk_emit (kernel/printk/printk.c:2479)
[  221.629160][ T3057]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  221.629162][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629164][ T3057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  221.629167][ T3057]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  221.629168][ T3057]  _printk (kernel/printk/printk.c:2504)
[  221.629172][ T3057]  ? snapshot_read.cold (user.c:?)
[  221.629174][ T3057]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  221.629179][ T3057] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  221.629192][ T3057] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  221.629200][ T3057] br_device_event (net/bridge/br.c:111) bridge
[  221.629209][ T3057]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  221.629212][ T3057]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  221.629214][ T3057]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  221.629218][ T3057]  notifier_call_chain (kernel/notifier.c:85)
[  221.629221][ T3057]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  221.629225][ T3057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  221.629227][ T3057]  ? netif_change_name (net/core/dev.c:1517)
[  221.629229][ T3057]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  221.629231][ T3057]  ? __kernel_text_address (kernel/extable.c:79)
[  221.629233][ T3057]  ? write_profile (profile.c:?)
[  221.629235][ T3057]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  221.629238][ T3057]  netif_change_flags (net/core/dev.c:9882)
[  221.629243][ T3057]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  221.629246][ T3057]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  221.629248][ T3057]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  221.629249][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629251][ T3057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  221.629255][ T3057]  ? kasan_save_stack (mm/kasan/common.c:58)
[  221.629258][ T3057]  ? kasan_save_stack (mm/kasan/common.c:57)
[  221.629259][ T3057]  ? kasan_save_track (mm/kasan/common.c:78)
[  221.629261][ T3057]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  221.629263][ T3057]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  221.629264][ T3057]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  221.629265][ T3057]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.629267][ T3057]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.629270][ T3057]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.629271][ T3057]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.629272][ T3057]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  221.629275][ T3057]  ? ___sys_sendmsg (net/socket.c:2767)
[  221.629276][ T3057]  ? __sys_sendmsg (net/socket.c:2799)
[  221.629278][ T3057]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.629280][ T3057]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.629283][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629285][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.629286][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629288][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629290][ T3057]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  221.629293][ T3057]  ? __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)
[  221.629295][ T3057]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  221.629296][ T3057]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.629298][ T3057]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  221.629300][ T3057]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  221.629302][ T3057]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  221.629304][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629306][ T3057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.629307][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.629309][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629311][ T3057]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  221.629314][ T3057]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  221.629316][ T3057]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  221.629317][ T3057]  ? __kernel_text_address (kernel/extable.c:79)
[  221.629319][ T3057]  ? write_profile (profile.c:?)
[  221.629320][ T3057]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  221.629321][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629323][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629325][ T3057]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  221.629328][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.629330][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629332][ T3057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.629333][ T3057]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.629335][ T3057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.629336][ T3057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  221.629338][ T3057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  221.629340][ T3057]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.629342][ T3057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.629343][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.629345][ T3057]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  221.629346][ T3057]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  221.629349][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629351][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.629353][ T3057]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.629355][ T3057]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  221.629357][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629358][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629360][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.629362][ T3057]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.629364][ T3057]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  221.629366][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629368][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.629370][ T3057]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  221.629371][ T3057]  ? copy_msghdr_from_user (net/socket.c:2650)
[  221.629373][ T3057]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  221.629375][ T3057]  ? move_addr_to_kernel (net/socket.c:258)
[  221.629376][ T3057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  221.629379][ T3057]  ___sys_sendmsg (net/socket.c:2767)
[  221.629381][ T3057]  ? copy_msghdr_from_user (net/socket.c:2619)
[  221.629386][ T3057]  __sys_sendmsg (net/socket.c:2799)
[  221.629388][ T3057]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  221.629391][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.629393][ T3057]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.629394][ T3057]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  221.629396][ T3057]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.629398][ T3057] RIP: 0033:0x7f41379bb54e
[  221.629400][ T3057] 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
[  221.629402][ T3057] RSP: 002b:00007ffc1137e4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  221.629405][ T3057] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f41379bb54e
[  221.629407][ T3057] RDX: 0000000000000000 RSI: 00007ffc1137e5a0 RDI: 0000000000000005
[  221.629408][ T3057] RBP: 00007ffc1137e500 R08: 0000000000000000 R09: 0000000000000000
[  221.629409][ T3057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a68d
[  221.629410][ T3057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1137ec60
| [  227.391512][ T3111] softirqs last disabled at (0): 0x0
| [  227.391514][ T3111] Preemption disabled at:
| [  227.391514][ T3111] 0x0
| [  227.391522][ T3111] Tainted: [W]=WARN
[  227.391523][ T3111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  227.391525][ T3111] Call Trace:
[  227.391526][ T3111]  <TASK>
[  227.391528][ T3111]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  227.391533][ T3111]  __might_resched.cold (kernel/sched/core.c:9234)
[  227.391537][ T3111]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  227.391541][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391545][ T3111]  __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))
[  227.391548][ T3111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  227.391551][ T3111]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.391555][ T3111]  ? 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)
[  227.391557][ T3111]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.391559][ T3111]  put_chars (drivers/char/virtio_console.c:1176)
[  227.391561][ T3111]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  227.391563][ T3111]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  227.391566][ T3111]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  227.391570][ T3111]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  227.391572][ T3111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  227.391573][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391575][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.391578][ T3111]  console_emit_next_record (kernel/printk/printk.c:3183)
[  227.391580][ T3111]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  227.391582][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391584][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391585][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391587][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.391589][ T3111]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  227.391591][ T3111]  console_flush_one_record (kernel/printk/printk.c:3268)
[  227.391593][ T3111]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  227.391596][ T3111]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  227.391598][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.391599][ T3111]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  227.391601][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391603][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  227.391604][ T3111]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  227.391606][ T3111]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  227.391608][ T3111]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  227.391610][ T3111]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  227.391612][ T3111]  vprintk_emit (kernel/printk/printk.c:2479)
[  227.391614][ T3111]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  227.391616][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391618][ T3111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  227.391620][ T3111]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  227.391622][ T3111]  _printk (kernel/printk/printk.c:2504)
[  227.391625][ T3111]  ? snapshot_read.cold (user.c:?)
[  227.391627][ T3111]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  227.391632][ T3111] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  227.391645][ T3111] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  227.391653][ T3111] br_device_event (net/bridge/br.c:111) bridge
[  227.391662][ T3111]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  227.391665][ T3111]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  227.391667][ T3111]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  227.391671][ T3111]  notifier_call_chain (kernel/notifier.c:85)
[  227.391674][ T3111]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  227.391678][ T3111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  227.391679][ T3111]  ? netif_change_name (net/core/dev.c:1517)
[  227.391681][ T3111]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  227.391683][ T3111]  ? __kernel_text_address (kernel/extable.c:79)
[  227.391685][ T3111]  ? write_profile (profile.c:?)
[  227.391688][ T3111]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  227.391691][ T3111]  netif_change_flags (net/core/dev.c:9882)
[  227.391693][ T3111]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  227.391696][ T3111]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  227.391698][ T3111]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  227.391699][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391701][ T3111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  227.391704][ T3111]  ? kasan_save_stack (mm/kasan/common.c:58)
[  227.391708][ T3111]  ? kasan_save_stack (mm/kasan/common.c:57)
[  227.391709][ T3111]  ? kasan_save_track (mm/kasan/common.c:78)
[  227.391711][ T3111]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  227.391712][ T3111]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  227.391714][ T3111]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  227.391715][ T3111]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  227.391716][ T3111]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  227.391719][ T3111]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  227.391720][ T3111]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  227.391721][ T3111]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  227.391724][ T3111]  ? ___sys_sendmsg (net/socket.c:2767)
[  227.391725][ T3111]  ? __sys_sendmsg (net/socket.c:2799)
[  227.391727][ T3111]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  227.391729][ T3111]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  227.391732][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391733][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.391735][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391737][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391738][ T3111]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  227.391742][ T3111]  ? __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)
[  227.391743][ T3111]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  227.391745][ T3111]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  227.391746][ T3111]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  227.391748][ T3111]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  227.391751][ T3111]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  227.391753][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391754][ T3111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.391756][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.391757][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391759][ T3111]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  227.391762][ T3111]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  227.391764][ T3111]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  227.391765][ T3111]  ? __kernel_text_address (kernel/extable.c:79)
[  227.391767][ T3111]  ? write_profile (profile.c:?)
[  227.391768][ T3111]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  227.391769][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391771][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391773][ T3111]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  227.391776][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.391778][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391780][ T3111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.391781][ T3111]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  227.391783][ T3111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.391784][ T3111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  227.391786][ T3111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  227.391788][ T3111]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  227.391789][ T3111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.391791][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  227.391792][ T3111]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  227.391794][ T3111]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  227.391796][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391798][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  227.391800][ T3111]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  227.391802][ T3111]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  227.391804][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391805][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391807][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.391809][ T3111]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  227.391811][ T3111]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  227.391813][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391814][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  227.391816][ T3111]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  227.391818][ T3111]  ? copy_msghdr_from_user (net/socket.c:2650)
[  227.391820][ T3111]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  227.391821][ T3111]  ? move_addr_to_kernel (net/socket.c:258)
[  227.391823][ T3111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  227.391825][ T3111]  ___sys_sendmsg (net/socket.c:2767)
[  227.391827][ T3111]  ? copy_msghdr_from_user (net/socket.c:2619)
[  227.391832][ T3111]  __sys_sendmsg (net/socket.c:2799)
[  227.391834][ T3111]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  227.391837][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.391839][ T3111]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  227.391840][ T3111]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  227.391842][ T3111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  227.391844][ T3111] RIP: 0033:0x7f962c6cb54e
[  227.391846][ T3111] 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
[  227.391848][ T3111] RSP: 002b:00007fffe2f8a7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  227.391852][ T3111] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f962c6cb54e
[  227.391853][ T3111] RDX: 0000000000000000 RSI: 00007fffe2f8a8a0 RDI: 0000000000000005
[  227.391854][ T3111] RBP: 00007fffe2f8a800 R08: 0000000000000000 R09: 0000000000000000
[  227.391855][ T3111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a692


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars