======================================
| [   11.285024][  T237] softirqs last disabled at (28925): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.285026][  T237] Preemption disabled at:
| [   11.285026][  T237] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.285036][  T237] Tainted: [W]=WARN
[   11.285037][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.285039][  T237] Call Trace:
[   11.285040][  T237]  <TASK>
[   11.285042][  T237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.285047][  T237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.285050][  T237]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.285054][  T237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.285058][  T237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.285063][  T237]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.285065][  T237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.285071][  T237]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.285074][  T237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.285077][  T237]  put_chars (drivers/char/virtio_console.c:1176)
[   11.285080][  T237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.285081][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.285086][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.285088][  T237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.285093][  T237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.285096][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.285101][  T237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.285103][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.285108][  T237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.285112][  T237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.285114][  T237]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.285117][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.285119][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.285123][  T237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.285127][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.285129][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.285134][  T237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.285136][  T237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.285138][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.285141][  T237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.285144][  T237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.285146][  T237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.285149][  T237]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.285153][  T237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.285159][  T237]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.285163][  T237]  _printk (kernel/printk/printk.c:2504)
[   11.285167][  T237]  ? snapshot_read.cold (user.c:?)
[   11.285173][  T237]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.285176][  T237] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.285179][  T237]  do_one_initcall (init/main.c:1357)
[   11.285182][  T237]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.285186][  T237]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.285190][  T237]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.285194][  T237]  do_init_module (kernel/module/main.c:3117)
[   11.285198][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.285203][  T237]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.285206][  T237]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.285210][  T237]  load_module (kernel/module/main.c:3593)
[   11.285217][  T237]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.285221][  T237]  ? __ia32_sys_fsconfig (??:?)
[   11.285224][  T237]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.285227][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.285229][  T237]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.285232][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.285236][  T237]  init_module_from_file (kernel/module/main.c:3790)
[   11.285239][  T237]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.285247][  T237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.285251][  T237]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.285254][  T237]  idempotent_init_module (kernel/module/main.c:3802)
[   11.285257][  T237]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.285263][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.285266][  T237]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.285272][  T237]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.285274][  T237]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.285278][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.285279][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.285282][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.285284][  T237] RIP: 0033:0x7faf4a9ab37d
[   11.285288][  T237] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.285289][  T237] RSP: 002b:00007fff44e51b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.285292][  T237] RAX: ffffffffffffffda RBX: 00005617dda8d810 RCX: 00007faf4a9ab37d
[   11.285293][  T237] RDX: 0000000000000000 RSI: 00005617af230ffd RDI: 0000000000000000
[   11.285294][  T237] RBP: 00007fff44e51bc0 R08: 0000000000000000 R09: 0000000000000000
[   11.285295][  T237] R10: 0000000000000000 R11: 0000000000000246 R12: 00005617af230ffd
[   11.285296][  T237] R13: 00005617dda8d960 R14: 0000000000040000 R15: 0000000000000000
| [   13.033483][  T289] softirqs last disabled at (21748): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.033486][  T289] Preemption disabled at:
| [   13.033487][  T289] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.033500][  T289] Tainted: [W]=WARN
[   13.033501][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.033503][  T289] Call Trace:
[   13.033505][  T289]  <TASK>
[   13.033508][  T289]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.033515][  T289]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.033518][  T289]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.033524][  T289]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.033530][  T289]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.033537][  T289]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.033541][  T289]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.033549][  T289]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.033553][  T289]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.033558][  T289]  put_chars (drivers/char/virtio_console.c:1176)
[   13.033562][  T289]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.033570][  T289]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.033576][  T289]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.033580][  T289]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.033583][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.033585][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.033592][  T289]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.033595][  T289]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.033601][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.033606][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.033613][  T289]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.033619][  T289]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.033621][  T289]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.033626][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.033630][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.033637][  T289]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.033643][  T289]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.033646][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.033655][  T289]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.033659][  T289]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.033662][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.033665][  T289]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.033672][  T289]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.033674][  T289]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.033680][  T289]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.033686][  T289]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.033690][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.033692][  T289]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.033698][  T289]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.033704][  T289]  _printk (kernel/printk/printk.c:2504)
[   13.033709][  T289]  ? snapshot_read.cold (user.c:?)
[   13.033715][  T289]  ? br_multicast_flood (??:?) bridge
[   13.033733][  T289]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.033735][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.033737][  T289]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.033745][  T289] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.033762][  T289] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.033775][  T289] new_nbp (net/bridge/br_if.c:449) bridge
[   13.033791][  T289] br_add_if (net/bridge/br_if.c:592) bridge
[   13.033803][  T289]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.033809][  T289]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.033814][  T289]  ? __kernel_text_address (kernel/extable.c:79)
[   13.033820][  T289]  do_set_master (net/core/rtnetlink.c:3071)
[   13.033828][  T289]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.033833][  T289]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.033838][  T289]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.033840][  T289]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.033843][  T289]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.033847][  T289]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.033851][  T289]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.033854][  T289]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.033858][  T289]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.033862][  T289]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.033864][  T289]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.033868][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.033871][  T289]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.033875][  T289]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.033882][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.033885][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.033889][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.033893][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.033895][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.033898][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.033901][  T289]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.033906][  T289]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.033908][  T289]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.033912][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.033917][  T289]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.033920][  T289]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.033928][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.033938][  T289]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.033947][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.033950][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.033958][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.033961][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.033964][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.033968][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.033974][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.033977][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.033983][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.033985][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.033992][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.033995][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.034001][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.034004][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.034009][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.034020][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.034022][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.034029][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.034036][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.034040][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.034047][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.034054][  T289]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.034060][  T289]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.034069][  T289]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.034072][  T289]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.034076][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.034078][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   13.034091][  T289]  ___sys_sendmsg (net/socket.c:2767)
[   13.034096][  T289]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.034125][  T289]  __sys_sendmsg (net/socket.c:2799)
[   13.034129][  T289]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.034140][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.034146][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.034149][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.034154][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.034157][  T289] RIP: 0033:0x7f39bfbd854e
[   13.034161][  T289] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.034163][  T289] RSP: 002b:00007ffe2f8452e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.034167][  T289] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f39bfbd854e
[   13.034169][  T289] RDX: 0000000000000000 RSI: 00007ffe2f845390 RDI: 0000000000000005
[   13.034171][  T289] RBP: 00007ffe2f8452f0 R08: 0000000000000000 R09: 0000000000000000
[   13.034172][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91334d
[   13.034173][  T289] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2f845a50
| [   15.014760][  T350] softirqs last disabled at (18666): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.014762][  T350] Preemption disabled at:
| [   15.014763][  T350] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.014772][  T350] Tainted: [W]=WARN
[   15.014773][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.014775][  T350] Call Trace:
[   15.014777][  T350]  <TASK>
[   15.014778][  T350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.014784][  T350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.014786][  T350]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.014790][  T350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.014794][  T350]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.014799][  T350]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.014802][  T350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.014807][  T350]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.014810][  T350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.014813][  T350]  put_chars (drivers/char/virtio_console.c:1176)
[   15.014815][  T350]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.014817][  T350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.014820][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.014824][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.014827][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.014830][  T350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.014833][  T350]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.014835][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.014836][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.014840][  T350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.014842][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.014845][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.014848][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.014852][  T350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.014855][  T350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.014857][  T350]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.014860][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.014862][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.014866][  T350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.014870][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.014872][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.014877][  T350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.014880][  T350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.014882][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.014884][  T350]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.014888][  T350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.014890][  T350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.014893][  T350]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.014897][  T350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.014900][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.014902][  T350]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.014906][  T350]  _printk (kernel/printk/printk.c:2504)
[   15.014909][  T350]  ? snapshot_read.cold (user.c:?)
[   15.014913][  T350]  ? br_multicast_flood (??:?) bridge
[   15.014926][  T350]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.014927][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.014928][  T350]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.014933][  T350] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.014943][  T350] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.014951][  T350] new_nbp (net/bridge/br_if.c:449) bridge
[   15.014960][  T350] br_add_if (net/bridge/br_if.c:592) bridge
[   15.014967][  T350]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.014971][  T350]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.014974][  T350]  ? __kernel_text_address (kernel/extable.c:79)
[   15.014978][  T350]  do_set_master (net/core/rtnetlink.c:3071)
[   15.014982][  T350]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.014985][  T350]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.014988][  T350]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.014990][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.014991][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.014995][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.014997][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.014999][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.015002][  T350]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.015004][  T350]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.015006][  T350]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.015009][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.015010][  T350]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.015013][  T350]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.015018][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.015020][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.015022][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.015024][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.015026][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.015028][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.015030][  T350]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.015034][  T350]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.015037][  T350]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.015039][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.015042][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.015044][  T350]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.015048][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.015053][  T350]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.015059][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.015060][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.015065][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.015066][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.015068][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.015070][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.015074][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.015076][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.015079][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.015080][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.015084][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.015086][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.015089][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.015091][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.015094][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.015100][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.015101][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.015105][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.015109][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.015111][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.015115][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.015119][  T350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.015123][  T350]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.015128][  T350]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.015130][  T350]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.015132][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.015134][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   15.015141][  T350]  ___sys_sendmsg (net/socket.c:2767)
[   15.015143][  T350]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.015158][  T350]  __sys_sendmsg (net/socket.c:2799)
[   15.015161][  T350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.015167][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.015171][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.015173][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.015176][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.015178][  T350] RIP: 0033:0x7f60fe37754e
[   15.015182][  T350] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.015183][  T350] RSP: 002b:00007ffe74941440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.015186][  T350] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f60fe37754e
[   15.015188][  T350] RDX: 0000000000000000 RSI: 00007ffe749414f0 RDI: 0000000000000005
[   15.015188][  T350] RBP: 00007ffe74941450 R08: 0000000000000000 R09: 0000000000000000
[   15.015189][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91334f
[   15.015190][  T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe74941bb0
| [   16.639510][  T406] softirqs last disabled at (21388): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.639512][  T406] Preemption disabled at:
| [   16.639513][  T406] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.639522][  T406] Tainted: [W]=WARN
[   16.639523][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.639525][  T406] Call Trace:
[   16.639527][  T406]  <TASK>
[   16.639529][  T406]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.639534][  T406]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.639536][  T406]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.639541][  T406]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.639545][  T406]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.639550][  T406]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.639553][  T406]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.639558][  T406]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.639560][  T406]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.639563][  T406]  put_chars (drivers/char/virtio_console.c:1176)
[   16.639565][  T406]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.639567][  T406]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.639570][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.639575][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.639577][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.639581][  T406]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.639583][  T406]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.639585][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.639587][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.639591][  T406]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.639593][  T406]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.639596][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.639598][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.639602][  T406]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.639606][  T406]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.639607][  T406]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.639610][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.639613][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.639617][  T406]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.639621][  T406]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.639622][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.639627][  T406]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.639630][  T406]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.639632][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.639634][  T406]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.639638][  T406]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.639639][  T406]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.639643][  T406]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.639647][  T406]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.639649][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.639652][  T406]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.639655][  T406]  _printk (kernel/printk/printk.c:2504)
[   16.639659][  T406]  ? snapshot_read.cold (user.c:?)
[   16.639663][  T406]  ? br_multicast_flood (??:?) bridge
[   16.639675][  T406]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.639677][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.639678][  T406]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.639682][  T406] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.639692][  T406] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.639700][  T406] new_nbp (net/bridge/br_if.c:449) bridge
[   16.639710][  T406] br_add_if (net/bridge/br_if.c:592) bridge
[   16.639716][  T406]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.639720][  T406]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.639723][  T406]  ? __kernel_text_address (kernel/extable.c:79)
[   16.639727][  T406]  do_set_master (net/core/rtnetlink.c:3071)
[   16.639732][  T406]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.639735][  T406]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.639738][  T406]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.639739][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.639741][  T406]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.639744][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.639747][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.639749][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.639751][  T406]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.639754][  T406]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.639756][  T406]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.639759][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.639760][  T406]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.639763][  T406]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.639768][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.639770][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.639772][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.639774][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.639776][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.639778][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.639780][  T406]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.639784][  T406]  ? __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)
[   16.639787][  T406]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.639789][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.639792][  T406]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.639794][  T406]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.639798][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.639803][  T406]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.639808][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.639810][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.639815][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.639816][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.639818][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.639820][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.639824][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.639826][  T406]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.639829][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.639830][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.639834][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.639836][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.639839][  T406]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.639841][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.639844][  T406]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.639850][  T406]  ? 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))
[   16.639852][  T406]  ? 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))
[   16.639856][  T406]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.639859][  T406]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.639862][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.639866][  T406]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.639870][  T406]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.639873][  T406]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.639879][  T406]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.639881][  T406]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.639883][  T406]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.639885][  T406]  ? move_addr_to_kernel (net/socket.c:258)
[   16.639892][  T406]  ___sys_sendmsg (net/socket.c:2767)
[   16.639894][  T406]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.639909][  T406]  __sys_sendmsg (net/socket.c:2799)
[   16.639912][  T406]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.639918][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.639922][  T406]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.639924][  T406]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.639927][  T406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.639930][  T406] RIP: 0033:0x7fbbbcf9154e
[   16.639933][  T406] 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
[   16.639935][  T406] RSP: 002b:00007ffd40ec3840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.639938][  T406] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbbbcf9154e
[   16.639939][  T406] RDX: 0000000000000000 RSI: 00007ffd40ec38f0 RDI: 0000000000000005
[   16.639940][  T406] RBP: 00007ffd40ec3850 R08: 0000000000000000 R09: 0000000000000000
[   16.639941][  T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913350
[   16.639942][  T406] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd40ec3fb0
| [   25.734959][  T518] softirqs last disabled at (25257): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.734961][  T518] Preemption disabled at:
| [   25.734962][  T518] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.734971][  T518] Tainted: [W]=WARN
[   25.734972][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.734973][  T518] Call Trace:
[   25.734975][  T518]  <TASK>
[   25.734977][  T518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.734983][  T518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.734985][  T518]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.734989][  T518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.734993][  T518]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.734999][  T518]  __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))
[   25.735001][  T518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.735007][  T518]  ? 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)
[   25.735010][  T518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.735013][  T518]  put_chars (drivers/char/virtio_console.c:1176)
[   25.735015][  T518]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.735017][  T518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.735020][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.735024][  T518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.735028][  T518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.735031][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.735033][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.735037][  T518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.735038][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.735042][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735045][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.735049][  T518]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.735052][  T518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.735054][  T518]  ? 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))
[   25.735057][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735059][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.735063][  T518]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.735067][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.735069][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.735074][  T518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.735077][  T518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.735079][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735081][  T518]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.735085][  T518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.735086][  T518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.735090][  T518]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.735094][  T518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.735099][  T518]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   25.735103][  T518]  _printk (kernel/printk/printk.c:2504)
[   25.735107][  T518]  ? snapshot_read.cold (user.c:?)
[   25.735113][  T518]  ? 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)
[   25.735116][  T518] gact_init_module (net/sched/act_gact.c:180) act_gact
[   25.735119][  T518]  do_one_initcall (init/main.c:1357)
[   25.735121][  T518]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.735126][  T518]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.735129][  T518]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.735134][  T518]  do_init_module (kernel/module/main.c:3117)
[   25.735137][  T518]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.735142][  T518]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.735145][  T518]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.735149][  T518]  load_module (kernel/module/main.c:3593)
[   25.735156][  T518]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.735160][  T518]  ? __ia32_sys_fsconfig (??:?)
[   25.735163][  T518]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   25.735167][  T518]  ? backing_file_read_iter (fs/backing-file.c:211)
[   25.735170][  T518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.735174][  T518]  init_module_from_file (kernel/module/main.c:3790)
[   25.735177][  T518]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   25.735185][  T518]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.735189][  T518]  ? 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)
[   25.735192][  T518]  idempotent_init_module (kernel/module/main.c:3802)
[   25.735195][  T518]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.735201][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735204][  T518]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.735210][  T518]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.735212][  T518]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.735216][  T518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.735217][  T518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.735220][  T518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.735222][  T518] RIP: 0033:0x7fa07bf5637d
[   25.735226][  T518] 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
[   25.735227][  T518] RSP: 002b:00007ffd6203da88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.735230][  T518] RAX: ffffffffffffffda RBX: 0000563bfa03e810 RCX: 00007fa07bf5637d
[   25.735232][  T518] RDX: 0000000000000000 RSI: 0000563bdcebfffd RDI: 0000000000000000
[   25.735233][  T518] RBP: 00007ffd6203db20 R08: 0000000000000000 R09: 0000000000000000
[   25.735234][  T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563bdcebfffd
[   25.735234][  T518] R13: 0000563bfa03e960 R14: 0000000000040000 R15: 0000000000000000
| [   28.623476][    C0] softirqs last disabled at (1055243): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.623477][    C0] Preemption disabled at:
| [   28.623478][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.623489][    C0] Tainted: [W]=WARN
[   28.623489][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.623491][    C0] Call Trace:
[   28.623493][    C0]  <IRQ>
[   28.623494][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.623500][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.623501][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.623505][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.623508][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.623511][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623515][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.623518][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.623520][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.623524][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.623525][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.623527][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.623529][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.623531][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.623535][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.623538][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.623539][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623541][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.623543][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.623546][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.623548][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623549][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623551][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.623553][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.623554][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.623557][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.623559][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.623561][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.623563][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.623564][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623566][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.623567][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.623569][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.623571][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.623573][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.623575][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.623577][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623579][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.623581][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.623585][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.623588][    C0]  ? snapshot_read.cold (user.c:?)
[   28.623590][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.623594][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.623596][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.623598][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.623600][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.623603][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.623605][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.623607][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.623609][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.623611][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.623623][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623625][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.623627][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.623633][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.623635][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.623642][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.623649][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.623656][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.623659][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.623661][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.623664][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.623666][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.623668][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623670][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.623672][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.623678][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.623680][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.623683][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.623685][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.623687][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.623689][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.623691][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623693][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.623695][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.623697][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.623699][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.623700][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.623702][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.623704][    C0]  </IRQ>
[   28.623705][    C0]  <TASK>
[   28.623706][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.623707][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.623710][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.623713][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.623714][    C0] RSP: 0018:ffffffffb0a07cf8 EFLAGS: 00000296
[   28.623717][    C0] RAX: 0000000000101a09 RBX: ffffffffb0a1c600 RCX: ffffffffadaf0307
[   28.623719][    C0] RDX: ffffffffb0a1c600 RSI: ffffffffb0838b01 RDI: ffffffffb028d8e0
[   28.623720][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.623720][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6140fa2
[   28.623721][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.623723][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.623726][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.623728][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.623729][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.623731][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.623733][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.623734][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.623737][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.623739][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.623740][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.623742][    C0]  rest_init (init/main.c:727)
[   28.623743][    C0]  ? __cpuidle_text_end (??:?)
[   28.623746][    C0]  ? rest_init (init/main.c:727)
[   28.623748][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.623752][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.623754][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.623757][    C0]  start_kernel (init/main.c:1185)
[   28.623759][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.623761][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.623763][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.703298][    C0]
| [   28.703411][    C0]
| [   28.703411][    C0] stack backtrace:
| [   28.703708][    C0] Tainted: [W]=WARN
[   28.703710][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.703712][    C0] Call Trace:
[   28.703714][    C0]  <IRQ>
[   28.703716][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.703721][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.703726][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.703731][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.703734][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.703736][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.703740][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.703743][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.703758][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.703762][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.703765][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.703776][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.703779][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.703790][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.703801][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.703812][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.703816][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.703818][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.703823][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.703826][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.703829][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.703832][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.703835][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.703847][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.703850][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.703854][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.703858][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.703861][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.703863][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.703867][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.703869][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.703873][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.703875][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.703878][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.703881][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.703883][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.703886][    C0]  </IRQ>
[   28.703886][    C0]  <TASK>
[   28.703888][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.703890][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.703893][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.703897][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.703899][    C0] RSP: 0018:ffffffffb0a07cf8 EFLAGS: 00000296
[   28.703902][    C0] RAX: 0000000000101a09 RBX: ffffffffb0a1c600 RCX: ffffffffadaf0307
[   28.703904][    C0] RDX: ffffffffb0a1c600 RSI: ffffffffb0838b01 RDI: ffffffffb028d8e0
[   28.703905][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.703907][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6140fa2
[   28.703908][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.703911][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.703915][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.703917][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.703919][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.703922][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.703924][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.703927][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.703930][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.703933][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.703936][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.703938][    C0]  rest_init (init/main.c:727)
[   28.703941][    C0]  ? __cpuidle_text_end (??:?)
[   28.703945][    C0]  ? rest_init (init/main.c:727)
[   28.703948][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.703952][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.703956][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.703960][    C0]  start_kernel (init/main.c:1185)
[   28.703962][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.703965][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.703968][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  112.083223][   T69] softirqs last disabled at (62988): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  112.083226][   T69] Preemption disabled at:
| [  112.083226][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.083238][   T69] Tainted: [W]=WARN
[  112.083239][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.083240][   T69] Workqueue: netns cleanup_net
[  112.083247][   T69] Call Trace:
[  112.083249][   T69]  <TASK>
[  112.083250][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.083255][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.083258][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.083261][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.083265][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083268][   T69]  __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))
[  112.083272][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.083275][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.083278][   T69]  ? 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)
[  112.083280][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.083281][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[  112.083283][   T69]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  112.083285][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.083286][   T69]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  112.083289][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.083292][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.083293][   T69]  ? 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)
[  112.083295][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.083296][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083298][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083300][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.083302][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.083304][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.083306][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083308][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083309][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083311][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.083313][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  112.083314][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.083316][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.083319][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.083321][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.083322][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.083324][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083325][   T69]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.083327][   T69]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  112.083328][   T69]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  112.083330][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.083332][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.083334][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.083336][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.083338][   T69]  ? process_one_work (kernel/workqueue.c:3387)
[  112.083341][   T69]  ? kthread (kernel/kthread.c:436)
[  112.083342][   T69]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  112.083345][   T69]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  112.083347][   T69]  _printk (kernel/printk/printk.c:2504)
[  112.083350][   T69]  ? snapshot_read.cold (user.c:?)
[  112.083352][   T69]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  112.083355][   T69]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  112.083359][   T69]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  112.083361][   T69]  ? netdev_notice (net/core/dev.c:13194)
[  112.083362][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083364][   T69]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  112.083366][   T69]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  112.083368][   T69]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  112.083369][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  112.083372][   T69]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  112.083375][   T69]  dev_set_allmulti (net/core/dev_api.c:315)
[  112.083378][   T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  112.083391][   T69] br_dev_delete (net/bridge/br_if.c:387) bridge
[  112.083398][   T69] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  112.083405][   T69]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  112.083407][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  112.083409][   T69]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  112.083412][   T69]  cleanup_net (net/core/net_namespace.c:706)
[  112.083414][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[  112.083416][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.083418][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.083420][   T69]  process_one_work (kernel/workqueue.c:3387)
[  112.083422][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  112.083425][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.083427][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  112.083429][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  112.083431][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  112.083432][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  112.083434][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  112.083436][   T69]  kthread (kernel/kthread.c:436)
[  112.083437][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  112.083439][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  112.083440][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[  112.083442][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  112.083443][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  112.083446][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars