======================================
| [   12.517074][  T239] softirqs last disabled at (25765): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.517076][  T239] Preemption disabled at:
| [   12.517077][  T239] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.517087][  T239] Tainted: [W]=WARN
[   12.517088][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.517089][  T239] Call Trace:
[   12.517091][  T239]  <TASK>
[   12.517092][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.517098][  T239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.517101][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.517105][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.517109][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.517114][  T239]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.517117][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.517123][  T239]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.517126][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.517129][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   12.517132][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.517134][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.517138][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.517141][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.517145][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.517148][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.517153][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.517156][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.517161][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.517165][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.517166][  T239]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.517169][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.517172][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.517177][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.517182][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.517184][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.517189][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.517191][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.517193][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.517196][  T239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.517199][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.517201][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.517204][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.517209][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.517214][  T239]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   12.517218][  T239]  _printk (kernel/printk/printk.c:2504)
[   12.517222][  T239]  ? snapshot_read.cold (user.c:?)
[   12.517228][  T239]  ? 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)
[   12.517231][  T239] 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
[   12.517234][  T239]  do_one_initcall (init/main.c:1357)
[   12.517237][  T239]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.517242][  T239]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.517245][  T239]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.517250][  T239]  do_init_module (kernel/module/main.c:3117)
[   12.517253][  T239]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.517258][  T239]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.517261][  T239]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.517265][  T239]  load_module (kernel/module/main.c:3593)
[   12.517272][  T239]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.517276][  T239]  ? __ia32_sys_fsconfig (??:?)
[   12.517278][  T239]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.517282][  T239]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.517285][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.517289][  T239]  init_module_from_file (kernel/module/main.c:3790)
[   12.517292][  T239]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.517300][  T239]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.517304][  T239]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.517307][  T239]  idempotent_init_module (kernel/module/main.c:3802)
[   12.517310][  T239]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.517317][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.517319][  T239]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.517325][  T239]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.517327][  T239]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.517330][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.517332][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.517335][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.517337][  T239] RIP: 0033:0x7fd6dc23337d
[   12.517341][  T239] 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
[   12.517343][  T239] RSP: 002b:00007ffc318cd228 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.517346][  T239] RAX: ffffffffffffffda RBX: 000055aa0d103810 RCX: 00007fd6dc23337d
[   12.517347][  T239] RDX: 0000000000000000 RSI: 000055aa0368affd RDI: 0000000000000000
[   12.517348][  T239] RBP: 00007ffc318cd2c0 R08: 0000000000000000 R09: 0000000000000000
[   12.517349][  T239] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa0368affd
[   12.517349][  T239] R13: 000055aa0d103960 R14: 0000000000040000 R15: 0000000000000000
| [   13.957242][  T290] softirqs last disabled at (11172): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.957244][  T290] Preemption disabled at:
| [   13.957245][  T290] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.957255][  T290] Tainted: [W]=WARN
[   13.957256][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.957258][  T290] Call Trace:
[   13.957259][  T290]  <TASK>
[   13.957261][  T290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.957266][  T290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.957269][  T290]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.957273][  T290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.957278][  T290]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.957283][  T290]  __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))
[   13.957285][  T290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.957291][  T290]  ? 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)
[   13.957294][  T290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.957297][  T290]  put_chars (drivers/char/virtio_console.c:1176)
[   13.957300][  T290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.957304][  T290]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.957308][  T290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.957311][  T290]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.957313][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.957315][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.957318][  T290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.957321][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.957324][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.957328][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.957332][  T290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.957336][  T290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.957338][  T290]  ? 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))
[   13.957341][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.957343][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.957347][  T290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.957351][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.957353][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.957358][  T290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.957361][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.957363][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.957365][  T290]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.957369][  T290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.957371][  T290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.957374][  T290]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.957379][  T290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.957381][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.957383][  T290]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.957387][  T290]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.957391][  T290]  _printk (kernel/printk/printk.c:2504)
[   13.957394][  T290]  ? snapshot_read.cold (user.c:?)
[   13.957398][  T290]  ? br_multicast_flood (??:?) bridge
[   13.957412][  T290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.957413][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.957415][  T290]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.957419][  T290] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.957430][  T290] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.957438][  T290] new_nbp (net/bridge/br_if.c:449) bridge
[   13.957448][  T290] br_add_if (net/bridge/br_if.c:592) bridge
[   13.957455][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.957459][  T290]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.957462][  T290]  ? __kernel_text_address (kernel/extable.c:79)
[   13.957466][  T290]  do_set_master (net/core/rtnetlink.c:3071)
[   13.957471][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.957482][  T290]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.957485][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.957486][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.957489][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.957492][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.957495][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.957497][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.957500][  T290]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.957503][  T290]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.957505][  T290]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.957507][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.957509][  T290]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.957512][  T290]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.957517][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.957519][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.957522][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.957524][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.957526][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.957527][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.957530][  T290]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.957534][  T290]  ? __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)
[   13.957535][  T290]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.957537][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.957541][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.957543][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.957548][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.957553][  T290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.957558][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.957560][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.957565][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.957567][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.957569][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.957570][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.957574][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.957576][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.957579][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.957581][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.957585][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.957587][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.957590][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.957592][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.957595][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.957601][  T290]  ? 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))
[   13.957603][  T290]  ? 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))
[   13.957607][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.957611][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.957614][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.957618][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.957622][  T290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.957625][  T290]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.957631][  T290]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.957633][  T290]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.957635][  T290]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.957637][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   13.957645][  T290]  ___sys_sendmsg (net/socket.c:2767)
[   13.957647][  T290]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.957663][  T290]  __sys_sendmsg (net/socket.c:2799)
[   13.957666][  T290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.957672][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.957676][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.957678][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.957682][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.957684][  T290] RIP: 0033:0x7f5610a9554e
[   13.957688][  T290] 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
[   13.957690][  T290] RSP: 002b:00007ffee90f5350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.957692][  T290] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5610a9554e
[   13.957694][  T290] RDX: 0000000000000000 RSI: 00007ffee90f5400 RDI: 0000000000000005
[   13.957695][  T290] RBP: 00007ffee90f5360 R08: 0000000000000000 R09: 0000000000000000
[   13.957696][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e21
[   13.957697][  T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee90f5ac0
| [   15.903974][  T351] softirqs last disabled at (22112): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.903978][  T351] Preemption disabled at:
| [   15.903979][  T351] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.903990][  T351] Tainted: [W]=WARN
[   15.903992][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.903994][  T351] Call Trace:
[   15.903996][  T351]  <TASK>
[   15.903998][  T351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.904006][  T351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.904009][  T351]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.904014][  T351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.904020][  T351]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.904027][  T351]  __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))
[   15.904031][  T351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.904040][  T351]  ? 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)
[   15.904043][  T351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.904049][  T351]  put_chars (drivers/char/virtio_console.c:1176)
[   15.904051][  T351]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.904055][  T351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.904060][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.904065][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.904069][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.904075][  T351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.904079][  T351]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.904081][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.904084][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.904090][  T351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.904094][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.904099][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.904103][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.904109][  T351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.904115][  T351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.904118][  T351]  ? 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))
[   15.904123][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.904126][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.904133][  T351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.904140][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.904142][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.904151][  T351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.904155][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.904158][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.904161][  T351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.904167][  T351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.904169][  T351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.904175][  T351]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.904184][  T351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.904187][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.904191][  T351]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.904197][  T351]  _printk (kernel/printk/printk.c:2504)
[   15.904202][  T351]  ? snapshot_read.cold (user.c:?)
[   15.904208][  T351]  ? br_multicast_flood (??:?) bridge
[   15.904225][  T351]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.904228][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.904230][  T351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.904237][  T351] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.904254][  T351] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.904268][  T351] new_nbp (net/bridge/br_if.c:449) bridge
[   15.904283][  T351] br_add_if (net/bridge/br_if.c:592) bridge
[   15.904296][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.904301][  T351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.904305][  T351]  ? __kernel_text_address (kernel/extable.c:79)
[   15.904312][  T351]  do_set_master (net/core/rtnetlink.c:3071)
[   15.904319][  T351]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.904324][  T351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.904329][  T351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.904331][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.904333][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.904338][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.904342][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.904345][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.904349][  T351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.904353][  T351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.904355][  T351]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.904359][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.904362][  T351]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.904366][  T351]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.904373][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.904376][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.904380][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.904384][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.904386][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.904388][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.904392][  T351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.904397][  T351]  ? __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)
[   15.904401][  T351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.904405][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.904411][  T351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.904413][  T351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.904422][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.904431][  T351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.904440][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.904444][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.904451][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.904454][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.904457][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.904460][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.904467][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.904470][  T351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.904475][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.904477][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.904491][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.904493][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.904499][  T351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.904501][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.904506][  T351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.904517][  T351]  ? 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))
[   15.904519][  T351]  ? 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))
[   15.904527][  T351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.904533][  T351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.904538][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.904545][  T351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.904551][  T351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.904558][  T351]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.904566][  T351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.904570][  T351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.904574][  T351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.904576][  T351]  ? move_addr_to_kernel (net/socket.c:258)
[   15.904590][  T351]  ___sys_sendmsg (net/socket.c:2767)
[   15.904594][  T351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.904624][  T351]  __sys_sendmsg (net/socket.c:2799)
[   15.904628][  T351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.904639][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.904645][  T351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.904648][  T351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.904653][  T351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.904657][  T351] RIP: 0033:0x7f4ccacfa54e
[   15.904661][  T351] 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
[   15.904664][  T351] RSP: 002b:00007ffd96f6c610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.904667][  T351] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4ccacfa54e
[   15.904670][  T351] RDX: 0000000000000000 RSI: 00007ffd96f6c6c0 RDI: 0000000000000005
[   15.904671][  T351] RBP: 00007ffd96f6c620 R08: 0000000000000000 R09: 0000000000000000
[   15.904673][  T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e23
[   15.904674][  T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd96f6cd80
| [   17.586867][  T407] softirqs last disabled at (11098): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.586870][  T407] Preemption disabled at:
| [   17.586870][  T407] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.586880][  T407] Tainted: [W]=WARN
[   17.586880][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.586882][  T407] Call Trace:
[   17.586884][  T407]  <TASK>
[   17.586885][  T407]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.586891][  T407]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.586893][  T407]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.586898][  T407]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.586902][  T407]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.586907][  T407]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.586909][  T407]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.586915][  T407]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.586917][  T407]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.586921][  T407]  put_chars (drivers/char/virtio_console.c:1176)
[   17.586923][  T407]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.586925][  T407]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.586928][  T407]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.586932][  T407]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.586935][  T407]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.586938][  T407]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.586941][  T407]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.586943][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.586945][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.586949][  T407]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.586951][  T407]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.586954][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.586956][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.586960][  T407]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.586964][  T407]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.586966][  T407]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.586969][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.586971][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.586975][  T407]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.586979][  T407]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.586981][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.586986][  T407]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.586989][  T407]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.586991][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.586994][  T407]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.586997][  T407]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.586999][  T407]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.587002][  T407]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.587007][  T407]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.587009][  T407]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.587012][  T407]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.587015][  T407]  _printk (kernel/printk/printk.c:2504)
[   17.587019][  T407]  ? snapshot_read.cold (user.c:?)
[   17.587023][  T407]  ? br_multicast_flood (??:?) bridge
[   17.587036][  T407]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.587037][  T407]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.587039][  T407]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.587043][  T407] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.587054][  T407] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   17.587062][  T407] new_nbp (net/bridge/br_if.c:449) bridge
[   17.587073][  T407] br_add_if (net/bridge/br_if.c:592) bridge
[   17.587080][  T407]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   17.587084][  T407]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.587087][  T407]  ? __kernel_text_address (kernel/extable.c:79)
[   17.587091][  T407]  do_set_master (net/core/rtnetlink.c:3071)
[   17.587096][  T407]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.587099][  T407]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.587102][  T407]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.587103][  T407]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.587105][  T407]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.587108][  T407]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.587111][  T407]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.587113][  T407]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.587115][  T407]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.587118][  T407]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.587120][  T407]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.587123][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.587125][  T407]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   17.587127][  T407]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.587132][  T407]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.587133][  T407]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.587136][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.587138][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.587140][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.587141][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.587144][  T407]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.587148][  T407]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   17.587151][  T407]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.587153][  T407]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.587156][  T407]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.587158][  T407]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.587163][  T407]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.587168][  T407]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.587173][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.587179][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.587184][  T407]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.587186][  T407]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.587188][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.587190][  T407]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.587193][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.587195][  T407]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.587198][  T407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.587200][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.587204][  T407]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.587206][  T407]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.587209][  T407]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.587211][  T407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.587214][  T407]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.587220][  T407]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.587221][  T407]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.587225][  T407]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.587229][  T407]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.587231][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.587235][  T407]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.587239][  T407]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.587243][  T407]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.587248][  T407]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.587250][  T407]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.587253][  T407]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.587254][  T407]  ? move_addr_to_kernel (net/socket.c:258)
[   17.587262][  T407]  ___sys_sendmsg (net/socket.c:2767)
[   17.587264][  T407]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.587279][  T407]  __sys_sendmsg (net/socket.c:2799)
[   17.587282][  T407]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.587289][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.587292][  T407]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.587294][  T407]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.587297][  T407]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.587300][  T407] RIP: 0033:0x7fb42bf7d54e
[   17.587303][  T407] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.587305][  T407] RSP: 002b:00007ffd78120610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.587308][  T407] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb42bf7d54e
[   17.587309][  T407] RDX: 0000000000000000 RSI: 00007ffd781206c0 RDI: 0000000000000005
[   17.587310][  T407] RBP: 00007ffd78120620 R08: 0000000000000000 R09: 0000000000000000
[   17.587311][  T407] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e25
[   17.587312][  T407] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd78120d80
| [   26.986475][  T518] softirqs last disabled at (21011): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.986477][  T518] Preemption disabled at:
| [   26.986477][  T518] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.986487][  T518] Tainted: [W]=WARN
[   26.986488][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.986490][  T518] Call Trace:
[   26.986491][  T518]  <TASK>
[   26.986493][  T518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.986499][  T518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.986501][  T518]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.986506][  T518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.986510][  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)
[   26.986515][  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))
[   26.986522][  T518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.986528][  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)
[   26.986531][  T518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.986535][  T518]  put_chars (drivers/char/virtio_console.c:1176)
[   26.986537][  T518]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   26.986539][  T518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.986542][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.986545][  T518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.986549][  T518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.986552][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.986553][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.986558][  T518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.986559][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   26.986562][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.986565][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.986569][  T518]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.986573][  T518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.986575][  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))
[   26.986578][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.986580][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.986584][  T518]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.986588][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.986590][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.986595][  T518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.986598][  T518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.986600][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.986602][  T518]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.986606][  T518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.986608][  T518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.986611][  T518]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.986615][  T518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.986621][  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
[   26.986624][  T518]  _printk (kernel/printk/printk.c:2504)
[   26.986628][  T518]  ? snapshot_read.cold (user.c:?)
[   26.986633][  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)
[   26.986636][  T518] gact_init_module (net/sched/act_gact.c:180) act_gact
[   26.986639][  T518]  do_one_initcall (init/main.c:1357)
[   26.986642][  T518]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   26.986646][  T518]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   26.986649][  T518]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   26.986653][  T518]  do_init_module (kernel/module/main.c:3117)
[   26.986657][  T518]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.986661][  T518]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   26.986664][  T518]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   26.986669][  T518]  load_module (kernel/module/main.c:3593)
[   26.986675][  T518]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   26.986679][  T518]  ? __ia32_sys_fsconfig (??:?)
[   26.986682][  T518]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   26.986686][  T518]  ? backing_file_read_iter (fs/backing-file.c:211)
[   26.986689][  T518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.986693][  T518]  init_module_from_file (kernel/module/main.c:3790)
[   26.986696][  T518]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   26.986704][  T518]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.986707][  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)
[   26.986710][  T518]  idempotent_init_module (kernel/module/main.c:3802)
[   26.986714][  T518]  ? init_module_from_file (kernel/module/main.c:3791)
[   26.986720][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.986722][  T518]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   26.986728][  T518]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   26.986730][  T518]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.986734][  T518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.986736][  T518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.986738][  T518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.986741][  T518] RIP: 0033:0x7fd165e3437d
[   26.986744][  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
[   26.986746][  T518] RSP: 002b:00007ffe30267908 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   26.986749][  T518] RAX: ffffffffffffffda RBX: 0000555c168dd810 RCX: 00007fd165e3437d
[   26.986750][  T518] RDX: 0000000000000000 RSI: 0000555c04ccdffd RDI: 0000000000000000
[   26.986751][  T518] RBP: 00007ffe302679a0 R08: 0000000000000000 R09: 0000000000000000
[   26.986752][  T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555c04ccdffd
[   26.986753][  T518] R13: 0000555c168dd960 R14: 0000000000040000 R15: 0000000000000000
| [   29.052292][    C2] softirqs last disabled at (995463): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.052294][    C2] Preemption disabled at:
| [   29.052294][    C2] 0x0
| [   29.052306][    C2] Tainted: [W]=WARN
[   29.052307][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.052309][    C2] Call Trace:
[   29.052311][    C2]  <IRQ>
[   29.052313][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.052319][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.052322][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.052325][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.052328][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052332][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.052336][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.052338][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.052342][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.052344][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.052346][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   29.052348][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.052349][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.052353][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.052356][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.052357][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052359][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.052361][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.052363][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.052365][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052367][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052369][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.052370][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.052372][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.052374][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.052377][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.052379][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.052380][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.052382][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052383][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.052385][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.052387][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.052388][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.052390][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.052393][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.052394][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052406][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.052408][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052414][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052420][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   29.052423][    C2]  _printk (kernel/printk/printk.c:2504)
[   29.052426][    C2]  ? snapshot_read.cold (user.c:?)
[   29.052428][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.052432][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.052434][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.052436][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.052438][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.052441][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.052443][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.052444][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.052447][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.052448][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052454][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052456][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.052458][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.052464][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.052466][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052472][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052478][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.052484][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   29.052487][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.052489][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.052493][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.052494][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.052496][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052498][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.052500][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.052507][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.052508][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.052511][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.052513][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.052515][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.052517][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.052519][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052521][    C2]  handle_softirqs (kernel/softirq.c:645)
[   29.052523][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.052531][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.052533][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.052534][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   29.052536][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.052539][    C2]  </IRQ>
[   29.052539][    C2]  <TASK>
[   29.052540][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.052542][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.052544][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.052547][    C2] 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
[   29.052549][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   29.052552][    C2] RAX: 00000000000f3085 RBX: ff11000001bec6c0 RCX: ffffffff8cef0307
[   29.052553][    C2] RDX: ff11000001bec6c0 RSI: ffffffff8fc38b01 RDI: ffffffff8f68d8e0
[   29.052554][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.052555][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   29.052556][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.052557][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.052561][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.052562][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   29.052564][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.052566][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   29.052567][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.052570][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.052571][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052573][    C2]  do_idle (kernel/sched/idle.c:355)
[   29.052574][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.052576][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.052578][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.052580][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.106574][    C2]
| [   29.106640][    C2]
| [   29.106640][    C2] stack backtrace:
| [   29.106850][    C2] Tainted: [W]=WARN
[   29.106851][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.106852][    C2] Call Trace:
[   29.106853][    C2]  <IRQ>
[   29.106855][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.106859][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.106862][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.106865][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.106867][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.106868][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.106871][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.106872][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.106880][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.106883][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.106884][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.106891][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.106892][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.106898][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.106905][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.106911][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   29.106913][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.106915][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.106919][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.106920][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.106922][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.106924][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.106926][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.106933][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.106934][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.106937][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.106940][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.106942][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.106943][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.106945][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.106947][    C2]  handle_softirqs (kernel/softirq.c:645)
[   29.106949][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.106951][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.106953][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.106954][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   29.106955][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.106957][    C2]  </IRQ>
[   29.106958][    C2]  <TASK>
[   29.106958][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.106960][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.106961][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.106964][    C2] 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
[   29.106966][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   29.106968][    C2] RAX: 00000000000f3085 RBX: ff11000001bec6c0 RCX: ffffffff8cef0307
[   29.106969][    C2] RDX: ff11000001bec6c0 RSI: ffffffff8fc38b01 RDI: ffffffff8f68d8e0
[   29.106970][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.106971][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   29.106972][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.106974][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.106976][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.106977][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   29.106979][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.106981][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   29.106982][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.106984][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.106985][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.106987][    C2]  do_idle (kernel/sched/idle.c:355)
[   29.106988][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.106990][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.106991][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.106993][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  113.515306][   T12] softirqs last disabled at (70616): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  113.515309][   T12] Preemption disabled at:
| [  113.515309][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  113.515321][   T12] Tainted: [W]=WARN
[  113.515322][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  113.515323][   T12] Workqueue: netns cleanup_net
[  113.515329][   T12] Call Trace:
[  113.515330][   T12]  <TASK>
[  113.515332][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  113.515337][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  113.515339][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  113.515342][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  113.515346][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515349][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  113.515353][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  113.515356][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  113.515359][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  113.515361][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  113.515363][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  113.515364][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  113.515366][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  113.515368][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  113.515370][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  113.515373][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  113.515374][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  113.515376][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  113.515377][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515381][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.515383][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  113.515385][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  113.515387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515389][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515392][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.515394][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  113.515396][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  113.515398][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  113.515401][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  113.515403][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.515404][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  113.515406][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515407][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  113.515409][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  113.515410][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  113.515412][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  113.515414][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  113.515416][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  113.515419][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  113.515420][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[  113.515423][   T12]  ? kthread (kernel/kthread.c:436)
[  113.515425][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  113.515427][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  113.515430][   T12]  _printk (kernel/printk/printk.c:2504)
[  113.515433][   T12]  ? snapshot_read.cold (user.c:?)
[  113.515435][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  113.515438][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  113.515439][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  113.515441][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  113.515443][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515445][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  113.515446][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  113.515448][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  113.515450][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  113.515452][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  113.515455][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  113.515457][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  113.515471][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[  113.515482][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  113.515489][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  113.515491][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  113.515493][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  113.515496][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  113.515498][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  113.515500][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.515502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.515504][   T12]  process_one_work (kernel/workqueue.c:3387)
[  113.515506][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  113.515509][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  113.515511][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  113.515514][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  113.515516][   T12]  kthread (kernel/kthread.c:436)
[  113.515517][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  113.515519][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  113.515521][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  113.515522][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  113.515524][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  113.515526][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  113.515528][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  114.578739][  T756] softirqs last disabled at (0): 0x0
| [  114.578740][  T756] Preemption disabled at:
| [  114.578741][  T756] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.578752][  T756] Tainted: [W]=WARN
[  114.578753][  T756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.578755][  T756] Call Trace:
[  114.578756][  T756]  <TASK>
[  114.578758][  T756]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.578763][  T756]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.578765][  T756]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.578769][  T756]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.578772][  T756]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  114.578775][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578779][  T756]  __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))
[  114.578783][  T756]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  114.578786][  T756]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.578791][  T756]  ? 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)
[  114.578793][  T756]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.578796][  T756]  put_chars (drivers/char/virtio_console.c:1176)
[  114.578799][  T756]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.578801][  T756]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  114.578803][  T756]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.578814][  T756]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.578815][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578817][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.578819][  T756]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.578822][  T756]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.578823][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578825][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578827][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578828][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.578830][  T756]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  114.578832][  T756]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.578834][  T756]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.578837][  T756]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.578839][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.578840][  T756]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.578842][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578843][  T756]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.578845][  T756]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  114.578846][  T756]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  114.578848][  T756]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.578850][  T756]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.578852][  T756]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.578855][  T756]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.578856][  T756]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.578859][  T756]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.578862][  T756]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.578863][  T756]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  114.578866][  T756]  ? ___sys_sendmsg (net/socket.c:2767)
[  114.578867][  T756]  ? __sys_sendmsg (net/socket.c:2799)
[  114.578869][  T756]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.578872][  T756]  _printk (kernel/printk/printk.c:2504)
[  114.578875][  T756]  ? snapshot_read.cold (user.c:?)
[  114.578878][  T756]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  114.578881][  T756]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  114.578884][  T756]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  114.578887][  T756]  ? netdev_notice (net/core/dev.c:13194)
[  114.578889][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578891][  T756]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  114.578892][  T756]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  114.578895][  T756]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  114.578896][  T756]  ? 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)
[  114.578899][  T756]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  114.578901][  T756]  dev_set_allmulti (net/core/dev_api.c:315)
[  114.578904][  T756] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  114.578917][  T756]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  114.578920][  T756]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  114.578923][  T756] br_del_if (net/bridge/br_if.c:732) bridge
[  114.578930][  T756]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  114.578933][  T756]  do_set_master (net/core/rtnetlink.c:3055)
[  114.578935][  T756]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  114.578938][  T756]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  114.578940][  T756]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  114.578941][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578943][  T756]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  114.578947][  T756]  ? kasan_save_stack (mm/kasan/common.c:58)
[  114.578949][  T756]  ? kasan_save_stack (mm/kasan/common.c:57)
[  114.578950][  T756]  ? kasan_save_track (mm/kasan/common.c:78)
[  114.578952][  T756]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  114.578954][  T756]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  114.578955][  T756]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  114.578956][  T756]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.578957][  T756]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.578959][  T756]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.578960][  T756]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.578961][  T756]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  114.578963][  T756]  ? ___sys_sendmsg (net/socket.c:2767)
[  114.578964][  T756]  ? __sys_sendmsg (net/socket.c:2799)
[  114.578965][  T756]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.578966][  T756]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.578969][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578971][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.578972][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578974][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578975][  T756]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  114.578977][  T756]  ? __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)
[  114.578980][  T756]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  114.578981][  T756]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  114.578983][  T756]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  114.578985][  T756]  ? nla_get_range_signed (lib/nlattr.c:270)
[  114.578988][  T756]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  114.578992][  T756]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.578994][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.578996][  T756]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.578997][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.578998][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579000][  T756]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  114.579002][  T756]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  114.579004][  T756]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  114.579005][  T756]  ? __kernel_text_address (kernel/extable.c:79)
[  114.579006][  T756]  ? write_profile (profile.c:?)
[  114.579007][  T756]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  114.579010][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579012][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579013][  T756]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  114.579017][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.579018][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579020][  T756]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.579021][  T756]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.579023][  T756]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.579024][  T756]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  114.579026][  T756]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  114.579028][  T756]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.579029][  T756]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.579031][  T756]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.579032][  T756]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.579033][  T756]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  114.579036][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579038][  T756]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.579040][  T756]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.579042][  T756]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.579043][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579045][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579047][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.579048][  T756]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.579050][  T756]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.579052][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579054][  T756]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.579056][  T756]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  114.579057][  T756]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.579059][  T756]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  114.579060][  T756]  ? move_addr_to_kernel (net/socket.c:258)
[  114.579062][  T756]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  114.579064][  T756]  ___sys_sendmsg (net/socket.c:2767)
[  114.579066][  T756]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.579071][  T756]  __sys_sendmsg (net/socket.c:2799)
[  114.579073][  T756]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.579076][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.579078][  T756]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.579079][  T756]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.579081][  T756]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.579083][  T756] RIP: 0033:0x7fbe1e1f754e
[  114.579085][  T756] 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
[  114.579086][  T756] RSP: 002b:00007ffd08e35630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.579090][  T756] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbe1e1f754e
[  114.579091][  T756] RDX: 0000000000000000 RSI: 00007ffd08e356e0 RDI: 0000000000000005
[  114.579092][  T756] RBP: 00007ffd08e35640 R08: 0000000000000000 R09: 0000000000000000
[  114.579093][  T756] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e86


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