======================================
| [   10.585548][  T229] softirqs last disabled at (30617): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.585550][  T229] Preemption disabled at:
| [   10.585551][  T229] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.585560][  T229] Tainted: [W]=WARN
[   10.585561][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.585563][  T229] Call Trace:
[   10.585565][  T229]  <TASK>
[   10.585566][  T229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.585571][  T229]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.585573][  T229]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.585578][  T229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.585582][  T229]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.585587][  T229]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.585590][  T229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.585595][  T229]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.585598][  T229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.585601][  T229]  put_chars (drivers/char/virtio_console.c:1176)
[   10.585604][  T229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.585605][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.585609][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.585612][  T229]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.585616][  T229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.585619][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.585624][  T229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.585626][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.585631][  T229]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.585634][  T229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.585636][  T229]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.585639][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.585641][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.585645][  T229]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.585649][  T229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.585651][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.585655][  T229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.585658][  T229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.585660][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.585662][  T229]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.585665][  T229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.585667][  T229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.585670][  T229]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.585674][  T229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.585679][  T229]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.585683][  T229]  _printk (kernel/printk/printk.c:2504)
[   10.585687][  T229]  ? snapshot_read.cold (user.c:?)
[   10.585692][  T229]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.585695][  T229] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.585698][  T229]  do_one_initcall (init/main.c:1357)
[   10.585701][  T229]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.585705][  T229]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.585708][  T229]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.585713][  T229]  do_init_module (kernel/module/main.c:3117)
[   10.585716][  T229]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.585720][  T229]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.585723][  T229]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.585727][  T229]  load_module (kernel/module/main.c:3593)
[   10.585734][  T229]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.585738][  T229]  ? __ia32_sys_fsconfig (??:?)
[   10.585741][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.585743][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.585747][  T229]  init_module_from_file (kernel/module/main.c:3790)
[   10.585750][  T229]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.585757][  T229]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.585761][  T229]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.585764][  T229]  idempotent_init_module (kernel/module/main.c:3802)
[   10.585767][  T229]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.585773][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.585775][  T229]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.585781][  T229]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.585783][  T229]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.585787][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.585789][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.585791][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.585794][  T229] RIP: 0033:0x7fe8ad77837d
[   10.585797][  T229] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.585799][  T229] RSP: 002b:00007ffd326ac7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.585801][  T229] RAX: ffffffffffffffda RBX: 0000557b2b628810 RCX: 00007fe8ad77837d
[   10.585803][  T229] RDX: 0000000000000000 RSI: 0000557b26de2ffd RDI: 0000000000000000
[   10.585804][  T229] RBP: 00007ffd326ac880 R08: 0000000000000000 R09: 0000000000000000
[   10.585805][  T229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557b26de2ffd
[   10.585805][  T229] R13: 0000557b2b628960 R14: 0000000000040000 R15: 0000000000000000
| [   11.946795][  T281] softirqs last disabled at (17658): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.946798][  T281] Preemption disabled at:
| [   11.946798][  T281] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.946808][  T281] Tainted: [W]=WARN
[   11.946809][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.946810][  T281] Call Trace:
[   11.946812][  T281]  <TASK>
[   11.946814][  T281]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.946819][  T281]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.946821][  T281]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.946826][  T281]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.946830][  T281]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.946835][  T281]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.946838][  T281]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.946843][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.946846][  T281]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.946849][  T281]  put_chars (drivers/char/virtio_console.c:1176)
[   11.946852][  T281]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.946856][  T281]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.946859][  T281]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.946862][  T281]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.946864][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.946866][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.946869][  T281]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.946871][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.946875][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.946878][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.946882][  T281]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.946886][  T281]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.946887][  T281]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.946891][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.946893][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.946897][  T281]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.946901][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.946902][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.946908][  T281]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.946910][  T281]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.946912][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.946914][  T281]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.946918][  T281]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.946919][  T281]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.946923][  T281]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.946926][  T281]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.946929][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.946930][  T281]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.946934][  T281]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.946938][  T281]  _printk (kernel/printk/printk.c:2504)
[   11.946941][  T281]  ? snapshot_read.cold (user.c:?)
[   11.946945][  T281]  ? br_multicast_flood (??:?) bridge
[   11.946958][  T281]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.946959][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.946960][  T281]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.946965][  T281] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.946975][  T281] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.946983][  T281] new_nbp (net/bridge/br_if.c:449) bridge
[   11.946992][  T281] br_add_if (net/bridge/br_if.c:592) bridge
[   11.946998][  T281]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.947003][  T281]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.947005][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   11.947009][  T281]  do_set_master (net/core/rtnetlink.c:3071)
[   11.947019][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.947022][  T281]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.947025][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.947027][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.947029][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.947033][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.947036][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.947037][  T281]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.947040][  T281]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.947043][  T281]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.947045][  T281]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.947047][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.947049][  T281]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.947052][  T281]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.947057][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.947058][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.947061][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.947064][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.947066][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.947068][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.947070][  T281]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.947077][  T281]  ? __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)
[   11.947079][  T281]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.947081][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.947084][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.947086][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.947090][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.947095][  T281]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.947100][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.947102][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.947106][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.947108][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.947110][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.947112][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.947115][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.947117][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.947120][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.947122][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.947126][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.947128][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.947131][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.947133][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.947136][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.947141][  T281]  ? 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))
[   11.947143][  T281]  ? 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))
[   11.947147][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.947150][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.947153][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.947157][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.947160][  T281]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.947164][  T281]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.947169][  T281]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.947171][  T281]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.947174][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.947175][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   11.947182][  T281]  ___sys_sendmsg (net/socket.c:2767)
[   11.947185][  T281]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.947200][  T281]  __sys_sendmsg (net/socket.c:2799)
[   11.947203][  T281]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.947208][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.947212][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.947214][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.947217][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.947219][  T281] RIP: 0033:0x7f28e362054e
[   11.947223][  T281] 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
[   11.947225][  T281] RSP: 002b:00007ffcb91022d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.947227][  T281] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f28e362054e
[   11.947229][  T281] RDX: 0000000000000000 RSI: 00007ffcb9102380 RDI: 0000000000000005
[   11.947230][  T281] RBP: 00007ffcb91022e0 R08: 0000000000000000 R09: 0000000000000000
[   11.947230][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918875
[   11.947231][  T281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb9102a40
| [   13.593001][  T343] softirqs last disabled at (13966): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.593004][  T343] Preemption disabled at:
| [   13.593004][  T343] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.593014][  T343] Tainted: [W]=WARN
[   13.593015][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.593025][  T343] Call Trace:
[   13.593026][  T343]  <TASK>
[   13.593028][  T343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.593033][  T343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.593036][  T343]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.593040][  T343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.593045][  T343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.593050][  T343]  __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))
[   13.593052][  T343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.593058][  T343]  ? 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)
[   13.593061][  T343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.593064][  T343]  put_chars (drivers/char/virtio_console.c:1176)
[   13.593066][  T343]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.593068][  T343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.593071][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.593079][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.593081][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.593084][  T343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.593087][  T343]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.593089][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.593091][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.593094][  T343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.593096][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.593099][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.593102][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.593105][  T343]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.593109][  T343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.593111][  T343]  ? 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))
[   13.593114][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.593116][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.593120][  T343]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.593124][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.593126][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.593131][  T343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.593133][  T343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.593135][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.593138][  T343]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.593141][  T343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.593143][  T343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.593146][  T343]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.593150][  T343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.593152][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.593155][  T343]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.593158][  T343]  _printk (kernel/printk/printk.c:2504)
[   13.593162][  T343]  ? snapshot_read.cold (user.c:?)
[   13.593165][  T343]  ? br_multicast_flood (??:?) bridge
[   13.593178][  T343]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.593180][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.593181][  T343]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.593185][  T343] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.593195][  T343] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.593203][  T343] new_nbp (net/bridge/br_if.c:449) bridge
[   13.593212][  T343] br_add_if (net/bridge/br_if.c:592) bridge
[   13.593219][  T343]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.593223][  T343]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.593226][  T343]  ? __kernel_text_address (kernel/extable.c:79)
[   13.593229][  T343]  do_set_master (net/core/rtnetlink.c:3071)
[   13.593234][  T343]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.593237][  T343]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.593240][  T343]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.593241][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.593243][  T343]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.593247][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.593249][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.593251][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.593254][  T343]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.593256][  T343]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.593258][  T343]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.593261][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.593262][  T343]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.593265][  T343]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.593270][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.593272][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.593274][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.593276][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.593278][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.593280][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.593282][  T343]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.593286][  T343]  ? __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)
[   13.593289][  T343]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.593291][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.593294][  T343]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.593296][  T343]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.593300][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.593305][  T343]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.593310][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.593312][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.593316][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.593318][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.593320][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.593322][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.593325][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.593327][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.593330][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.593331][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.593335][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.593337][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.593341][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.593342][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.593345][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.593351][  T343]  ? 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))
[   13.593352][  T343]  ? 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))
[   13.593356][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.593360][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.593363][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.593366][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.593370][  T343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.593374][  T343]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.593379][  T343]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.593381][  T343]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.593383][  T343]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.593385][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   13.593392][  T343]  ___sys_sendmsg (net/socket.c:2767)
[   13.593394][  T343]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.593409][  T343]  __sys_sendmsg (net/socket.c:2799)
[   13.593412][  T343]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.593418][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.593422][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.593424][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.593427][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.593429][  T343] RIP: 0033:0x7f65ab14954e
[   13.593433][  T343] 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
[   13.593434][  T343] RSP: 002b:00007fff2c554b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.593437][  T343] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f65ab14954e
[   13.593438][  T343] RDX: 0000000000000000 RSI: 00007fff2c554bf0 RDI: 0000000000000005
[   13.593439][  T343] RBP: 00007fff2c554b50 R08: 0000000000000000 R09: 0000000000000000
[   13.593440][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918877
[   13.593441][  T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2c5552b0
| [   15.092856][  T400] softirqs last disabled at (14792): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.092858][  T400] Preemption disabled at:
| [   15.092859][  T400] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.092868][  T400] Tainted: [W]=WARN
[   15.092869][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.092871][  T400] Call Trace:
[   15.092873][  T400]  <TASK>
[   15.092874][  T400]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.092880][  T400]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.092882][  T400]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.092886][  T400]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.092891][  T400]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.092896][  T400]  __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))
[   15.092898][  T400]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.092904][  T400]  ? 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)
[   15.092906][  T400]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.092909][  T400]  put_chars (drivers/char/virtio_console.c:1176)
[   15.092912][  T400]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.092914][  T400]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.092917][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.092921][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.092923][  T400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.092927][  T400]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.092930][  T400]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.092931][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.092933][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.092937][  T400]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.092939][  T400]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.092942][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.092944][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.092948][  T400]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.092952][  T400]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.092954][  T400]  ? 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))
[   15.092957][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.092959][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.092963][  T400]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.092967][  T400]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.092969][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.092974][  T400]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.092976][  T400]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.092978][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.092981][  T400]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.092984][  T400]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.092986][  T400]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.092989][  T400]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.092993][  T400]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.092996][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.092998][  T400]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.093002][  T400]  _printk (kernel/printk/printk.c:2504)
[   15.093005][  T400]  ? snapshot_read.cold (user.c:?)
[   15.093009][  T400]  ? br_multicast_flood (??:?) bridge
[   15.093027][  T400]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.093028][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.093029][  T400]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.093034][  T400] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.093044][  T400] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.093052][  T400] new_nbp (net/bridge/br_if.c:449) bridge
[   15.093061][  T400] br_add_if (net/bridge/br_if.c:592) bridge
[   15.093068][  T400]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.093072][  T400]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.093077][  T400]  ? __kernel_text_address (kernel/extable.c:79)
[   15.093081][  T400]  do_set_master (net/core/rtnetlink.c:3071)
[   15.093086][  T400]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.093089][  T400]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.093092][  T400]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.093093][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.093095][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.093098][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.093101][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.093102][  T400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.093105][  T400]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.093108][  T400]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.093109][  T400]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.093112][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.093114][  T400]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.093117][  T400]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.093121][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.093123][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.093125][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.093127][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.093129][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.093130][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.093133][  T400]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.093136][  T400]  ? __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)
[   15.093139][  T400]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.093141][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.093144][  T400]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.093146][  T400]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.093151][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.093156][  T400]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.093161][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.093162][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.093167][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.093168][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.093170][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.093172][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.093176][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.093178][  T400]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.093181][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.093182][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.093186][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.093188][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.093191][  T400]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.093193][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.093196][  T400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.093201][  T400]  ? 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))
[   15.093203][  T400]  ? 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))
[   15.093207][  T400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.093211][  T400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.093213][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.093217][  T400]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.093221][  T400]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.093224][  T400]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.093230][  T400]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.093232][  T400]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.093234][  T400]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.093236][  T400]  ? move_addr_to_kernel (net/socket.c:258)
[   15.093243][  T400]  ___sys_sendmsg (net/socket.c:2767)
[   15.093245][  T400]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.093260][  T400]  __sys_sendmsg (net/socket.c:2799)
[   15.093263][  T400]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.093269][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.093272][  T400]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.093275][  T400]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.093277][  T400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.093280][  T400] RIP: 0033:0x7fd3734f754e
[   15.093283][  T400] 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
[   15.093285][  T400] RSP: 002b:00007ffd10b0f2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.093288][  T400] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd3734f754e
[   15.093289][  T400] RDX: 0000000000000000 RSI: 00007ffd10b0f380 RDI: 0000000000000005
[   15.093290][  T400] RBP: 00007ffd10b0f2e0 R08: 0000000000000000 R09: 0000000000000000
[   15.093291][  T400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918878
[   15.093292][  T400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd10b0fa40
| [   24.358266][  T511] softirqs last disabled at (22973): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.358268][  T511] Preemption disabled at:
| [   24.358268][  T511] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.358277][  T511] Tainted: [W]=WARN
[   24.358278][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.358280][  T511] Call Trace:
[   24.358281][  T511]  <TASK>
[   24.358283][  T511]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.358288][  T511]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.358290][  T511]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.358295][  T511]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.358299][  T511]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.358304][  T511]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.358306][  T511]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.358311][  T511]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.358314][  T511]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.358317][  T511]  put_chars (drivers/char/virtio_console.c:1176)
[   24.358319][  T511]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.358321][  T511]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.358324][  T511]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.358327][  T511]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.358331][  T511]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.358334][  T511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.358335][  T511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.358340][  T511]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.358341][  T511]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.358344][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.358347][  T511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.358351][  T511]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.358355][  T511]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.358356][  T511]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.358359][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.358361][  T511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.358365][  T511]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.358369][  T511]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.358371][  T511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.358376][  T511]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.358379][  T511]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.358381][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.358383][  T511]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.358386][  T511]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.358388][  T511]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.358391][  T511]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.358395][  T511]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.358401][  T511]  ? 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
[   24.358404][  T511]  _printk (kernel/printk/printk.c:2504)
[   24.358408][  T511]  ? snapshot_read.cold (user.c:?)
[   24.358414][  T511]  ? 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)
[   24.358417][  T511] gact_init_module (net/sched/act_gact.c:180) act_gact
[   24.358420][  T511]  do_one_initcall (init/main.c:1357)
[   24.358422][  T511]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   24.358427][  T511]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   24.358430][  T511]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   24.358434][  T511]  do_init_module (kernel/module/main.c:3117)
[   24.358438][  T511]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.358442][  T511]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   24.358445][  T511]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   24.358449][  T511]  load_module (kernel/module/main.c:3593)
[   24.358456][  T511]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   24.358460][  T511]  ? __ia32_sys_fsconfig (??:?)
[   24.358462][  T511]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   24.358466][  T511]  ? backing_file_read_iter (fs/backing-file.c:211)
[   24.358469][  T511]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.358473][  T511]  init_module_from_file (kernel/module/main.c:3790)
[   24.358476][  T511]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   24.358484][  T511]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.358488][  T511]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.358490][  T511]  idempotent_init_module (kernel/module/main.c:3802)
[   24.358494][  T511]  ? init_module_from_file (kernel/module/main.c:3791)
[   24.358500][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.358502][  T511]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   24.358508][  T511]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   24.358510][  T511]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.358514][  T511]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.358515][  T511]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.358518][  T511]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.358520][  T511] RIP: 0033:0x7fa91740337d
[   24.358523][  T511] 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
[   24.358525][  T511] RSP: 002b:00007ffffd647598 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   24.358528][  T511] RAX: ffffffffffffffda RBX: 0000557827eac810 RCX: 00007fa91740337d
[   24.358529][  T511] RDX: 0000000000000000 RSI: 00005578259d1ffd RDI: 0000000000000000
[   24.358530][  T511] RBP: 00007ffffd647630 R08: 0000000000000000 R09: 0000000000000000
[   24.358531][  T511] R10: 0000000000000000 R11: 0000000000000246 R12: 00005578259d1ffd
[   24.358532][  T511] R13: 0000557827eac960 R14: 0000000000040000 R15: 0000000000000000
| [   27.506612][    C0] softirqs last disabled at (992559): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.506615][    C0] Preemption disabled at:
| [   27.506617][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.506634][    C0] Tainted: [W]=WARN
[   27.506637][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.506640][    C0] Call Trace:
[   27.506643][    C0]  <IRQ>
[   27.506647][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.506657][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.506662][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.506670][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.506677][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.506684][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506690][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.506698][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.506705][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.506711][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.506716][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.506723][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.506727][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.506733][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.506741][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.506748][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.506754][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506759][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506764][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.506769][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.506774][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506780][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506783][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506788][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.506793][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.506800][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.506805][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.506811][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506817][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.506820][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506822][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.506827][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.506832][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.506838][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.506841][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.506847][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.506853][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506858][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.506860][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   27.506870][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.506878][    C0]  ? snapshot_read.cold (user.c:?)
[   27.506880][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.506890][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.506896][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.506898][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.506905][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.506914][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.506918][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.506924][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.506931][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.506935][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.506956][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506963][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506969][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.506985][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.506990][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.507007][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.507023][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.507039][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.507047][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.507050][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.507058][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.507064][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.507077][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.507084][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.507091][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.507107][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.507112][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.507118][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.507125][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.507131][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.507133][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.507140][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.507146][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.507150][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.507153][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.507160][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.507166][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.507169][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.507174][    C0]  </IRQ>
[   27.507176][    C0]  <TASK>
[   27.507177][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.507184][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.507188][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.507194][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.507198][    C0] RSP: 0018:ffffffffbcc07cf8 EFLAGS: 00000296
[   27.507204][    C0] RAX: 00000000000f252d RBX: ffffffffbcc1c600 RCX: ffffffffb9cf0307
[   27.507206][    C0] RDX: ffffffffbcc1c600 RSI: ffffffffbca38af6 RDI: ffffffffbc48d8e0
[   27.507208][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.507209][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7980fa2
[   27.507213][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.507217][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.507225][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.507228][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.507234][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.507239][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.507243][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.507246][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.507253][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.507259][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.507263][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.507266][    C0]  rest_init (init/main.c:727)
[   27.507268][    C0]  ? __cpuidle_text_end (??:?)
[   27.507272][    C0]  ? rest_init (init/main.c:727)
[   27.507275][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.507279][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.507283][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.507286][    C0]  start_kernel (init/main.c:1185)
[   27.507289][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.507292][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.507295][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.630437][    C0]
| [   27.630622][    C0]
| [   27.630622][    C0] stack backtrace:
| [   27.631198][    C0] Tainted: [W]=WARN
[   27.631200][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.631202][    C0] Call Trace:
[   27.631204][    C0]  <IRQ>
[   27.631205][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.631211][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.631215][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.631220][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.631223][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.631225][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.631229][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.631232][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.631245][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.631249][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.631252][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.631263][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.631266][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.631276][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.631287][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.631297][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.631301][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.631303][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.631308][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.631310][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.631313][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.631316][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.631319][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.631331][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.631334][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.631338][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.631342][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.631345][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.631347][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.631350][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.631353][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.631356][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.631358][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.631362][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.631364][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.631366][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.631369][    C0]  </IRQ>
[   27.631370][    C0]  <TASK>
[   27.631370][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.631373][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.631376][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.631379][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.631381][    C0] RSP: 0018:ffffffffbcc07cf8 EFLAGS: 00000296
[   27.631385][    C0] RAX: 00000000000f252d RBX: ffffffffbcc1c600 RCX: ffffffffb9cf0307
[   27.631387][    C0] RDX: ffffffffbcc1c600 RSI: ffffffffbca38af6 RDI: ffffffffbc48d8e0
[   27.631388][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.631390][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7980fa2
[   27.631391][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.631393][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.631397][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.631399][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.631402][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.631404][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.631407][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.631409][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.631412][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.631415][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.631418][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.631420][    C0]  rest_init (init/main.c:727)
[   27.631423][    C0]  ? __cpuidle_text_end (??:?)
[   27.631427][    C0]  ? rest_init (init/main.c:727)
[   27.631430][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.631434][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.631437][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.631441][    C0]  start_kernel (init/main.c:1185)
[   27.631443][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.631446][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.631448][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  110.808047][   T66] softirqs last disabled at (43448): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  110.808049][   T66] Preemption disabled at:
| [  110.808050][   T66] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.808062][   T66] Tainted: [W]=WARN
[  110.808063][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.808065][   T66] Workqueue: netns cleanup_net
[  110.808072][   T66] Call Trace:
[  110.808076][   T66]  <TASK>
[  110.808077][   T66]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.808082][   T66]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.808084][   T66]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.808088][   T66]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.808091][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808095][   T66]  __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))
[  110.808099][   T66]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.808101][   T66]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.808105][   T66]  ? 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)
[  110.808106][   T66]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.808108][   T66]  put_chars (drivers/char/virtio_console.c:1176)
[  110.808110][   T66]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  110.808112][   T66]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.808114][   T66]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  110.808116][   T66]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.808119][   T66]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.808121][   T66]  ? 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)
[  110.808122][   T66]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.808124][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808125][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808127][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.808129][   T66]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.808132][   T66]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.808133][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808135][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808137][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808138][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.808140][   T66]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  110.808142][   T66]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.808144][   T66]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.808146][   T66]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.808148][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.808150][   T66]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.808151][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808153][   T66]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.808154][   T66]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  110.808155][   T66]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  110.808157][   T66]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.808159][   T66]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.808161][   T66]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.808164][   T66]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.808165][   T66]  ? process_one_work (kernel/workqueue.c:3387)
[  110.808168][   T66]  ? kthread (kernel/kthread.c:436)
[  110.808170][   T66]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  110.808172][   T66]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  110.808175][   T66]  _printk (kernel/printk/printk.c:2504)
[  110.808178][   T66]  ? snapshot_read.cold (user.c:?)
[  110.808180][   T66]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  110.808182][   T66]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  110.808184][   T66]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  110.808186][   T66]  ? netdev_notice (net/core/dev.c:13194)
[  110.808187][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808189][   T66]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  110.808191][   T66]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  110.808193][   T66]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  110.808195][   T66]  ? 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)
[  110.808197][   T66]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  110.808200][   T66]  dev_set_allmulti (net/core/dev_api.c:315)
[  110.808202][   T66] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  110.808216][   T66] br_dev_delete (net/bridge/br_if.c:387) bridge
[  110.808224][   T66] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  110.808231][   T66]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  110.808233][   T66]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  110.808235][   T66]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.808238][   T66]  cleanup_net (net/core/net_namespace.c:706)
[  110.808240][   T66]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.808242][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.808243][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.808246][   T66]  process_one_work (kernel/workqueue.c:3387)
[  110.808248][   T66]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  110.808250][   T66]  ? kthread_data (kernel/kthread.c:85 kernel/kthread.c:236)
[  110.808252][   T66]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.808254][   T66]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  110.808256][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  110.808258][   T66]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  110.808260][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  110.808262][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  110.808263][   T66]  kthread (kernel/kthread.c:436)
[  110.808264][   T66]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.808266][   T66]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  110.808267][   T66]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.808269][   T66]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  110.808271][   T66]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.808273][   T66]  ? kthread_affine_preferred (kernel/kthread.c:857)


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