======================================
| [   10.350809][  T242] softirqs last disabled at (25781): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.350811][  T242] Preemption disabled at:
| [   10.350812][  T242] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.350821][  T242] Tainted: [W]=WARN
[   10.350822][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.350824][  T242] Call Trace:
[   10.350826][  T242]  <TASK>
[   10.350827][  T242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.350833][  T242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.350835][  T242]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.350839][  T242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.350843][  T242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.350848][  T242]  __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))
[   10.350851][  T242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.350856][  T242]  ? 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)
[   10.350859][  T242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.350862][  T242]  put_chars (drivers/char/virtio_console.c:1176)
[   10.350864][  T242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.350866][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.350870][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.350873][  T242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.350877][  T242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.350880][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.350884][  T242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.350887][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.350892][  T242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.350895][  T242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.350897][  T242]  ? 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))
[   10.350900][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.350902][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.350906][  T242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.350910][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.350912][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.350916][  T242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.350919][  T242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.350921][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.350923][  T242]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.350927][  T242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.350928][  T242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.350931][  T242]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.350935][  T242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.350940][  T242]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.350944][  T242]  _printk (kernel/printk/printk.c:2504)
[   10.350947][  T242]  ? snapshot_read.cold (user.c:?)
[   10.350953][  T242]  ? 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)
[   10.350956][  T242] 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
[   10.350959][  T242]  do_one_initcall (init/main.c:1357)
[   10.350962][  T242]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.350966][  T242]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.350969][  T242]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.350974][  T242]  do_init_module (kernel/module/main.c:3117)
[   10.350977][  T242]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.350981][  T242]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.350984][  T242]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.350988][  T242]  load_module (kernel/module/main.c:3593)
[   10.350995][  T242]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.350999][  T242]  ? __ia32_sys_fsconfig (??:?)
[   10.351001][  T242]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.351005][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.351007][  T242]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.351010][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.351014][  T242]  init_module_from_file (kernel/module/main.c:3790)
[   10.351017][  T242]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.351025][  T242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.351028][  T242]  ? 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)
[   10.351031][  T242]  idempotent_init_module (kernel/module/main.c:3802)
[   10.351034][  T242]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.351040][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.351043][  T242]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.351048][  T242]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.351050][  T242]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.351054][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.351056][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.351058][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.351060][  T242] RIP: 0033:0x7f687ae0b37d
[   10.351064][  T242] 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
[   10.351065][  T242] RSP: 002b:00007fffca8c85a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.351068][  T242] RAX: ffffffffffffffda RBX: 0000560bf1ea6810 RCX: 00007f687ae0b37d
[   10.351070][  T242] RDX: 0000000000000000 RSI: 0000560bb46a3ffd RDI: 0000000000000000
[   10.351071][  T242] RBP: 00007fffca8c8640 R08: 0000000000000000 R09: 0000000000000000
[   10.351071][  T242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560bb46a3ffd
[   10.351072][  T242] R13: 0000560bf1ea6960 R14: 0000000000040000 R15: 0000000000000000
| [   12.216053][  T372] softirqs last disabled at (14954): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.216056][  T372] Preemption disabled at:
| [   12.216056][  T372] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.216066][  T372] Tainted: [W]=WARN
[   12.216067][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.216069][  T372] Call Trace:
[   12.216071][  T372]  <TASK>
[   12.216073][  T372]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.216085][  T372]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.216087][  T372]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.216092][  T372]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.216096][  T372]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.216101][  T372]  __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))
[   12.216104][  T372]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.216110][  T372]  ? 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)
[   12.216112][  T372]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.216115][  T372]  put_chars (drivers/char/virtio_console.c:1176)
[   12.216118][  T372]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.216122][  T372]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.216126][  T372]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.216129][  T372]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.216130][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.216132][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.216136][  T372]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.216138][  T372]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.216141][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.216145][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.216149][  T372]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.216152][  T372]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.216154][  T372]  ? 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))
[   12.216157][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.216166][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.216170][  T372]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.216174][  T372]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.216176][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.216181][  T372]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.216184][  T372]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.216186][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.216188][  T372]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.216192][  T372]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.216193][  T372]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.216197][  T372]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.216201][  T372]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.216203][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.216205][  T372]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.216211][  T372]  _printk (kernel/printk/printk.c:2504)
[   12.216214][  T372]  ? snapshot_read.cold (user.c:?)
[   12.216218][  T372]  ? br_multicast_flood (??:?) bridge
[   12.216232][  T372]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.216233][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.216234][  T372]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.216239][  T372] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.216249][  T372] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.216258][  T372] new_nbp (net/bridge/br_if.c:449) bridge
[   12.216267][  T372] br_add_if (net/bridge/br_if.c:592) bridge
[   12.216274][  T372]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.216278][  T372]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.216281][  T372]  ? __kernel_text_address (kernel/extable.c:79)
[   12.216285][  T372]  do_set_master (net/core/rtnetlink.c:3071)
[   12.216289][  T372]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.216292][  T372]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.216295][  T372]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.216297][  T372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.216299][  T372]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.216302][  T372]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.216305][  T372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.216307][  T372]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.216309][  T372]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.216312][  T372]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.216314][  T372]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.216316][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.216318][  T372]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.216321][  T372]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.216326][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.216328][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.216330][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.216333][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.216334][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.216336][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.216338][  T372]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.216342][  T372]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.216344][  T372]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.216346][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.216349][  T372]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.216351][  T372]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.216356][  T372]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.216361][  T372]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.216366][  T372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.216368][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.216373][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.216374][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.216377][  T372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.216378][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.216382][  T372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.216384][  T372]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.216387][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.216388][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.216393][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.216395][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.216398][  T372]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.216400][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.216403][  T372]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.216409][  T372]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.216410][  T372]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.216415][  T372]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.216418][  T372]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.216421][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.216425][  T372]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.216429][  T372]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.216432][  T372]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.216438][  T372]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.216440][  T372]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.216442][  T372]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.216444][  T372]  ? move_addr_to_kernel (net/socket.c:258)
[   12.216451][  T372]  ___sys_sendmsg (net/socket.c:2767)
[   12.216454][  T372]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.216470][  T372]  __sys_sendmsg (net/socket.c:2799)
[   12.216473][  T372]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.216479][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.216483][  T372]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.216485][  T372]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.216488][  T372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.216491][  T372] RIP: 0033:0x7f6b7947054e
[   12.216495][  T372] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.216496][  T372] RSP: 002b:00007fff6b40f970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.216499][  T372] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6b7947054e
[   12.216501][  T372] RDX: 0000000000000000 RSI: 00007fff6b40fa20 RDI: 0000000000000005
[   12.216501][  T372] RBP: 00007fff6b40f980 R08: 0000000000000000 R09: 0000000000000000
[   12.216502][  T372] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc29
[   12.216503][  T372] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6b4100e0
| [   13.338328][  T466] softirqs last disabled at (21032): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.338330][  T466] Preemption disabled at:
| [   13.338331][  T466] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.338340][  T466] Tainted: [W]=WARN
[   13.338341][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.338343][  T466] Call Trace:
[   13.338345][  T466]  <TASK>
[   13.338346][  T466]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.338352][  T466]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.338354][  T466]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.338359][  T466]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.338363][  T466]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.338368][  T466]  __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))
[   13.338370][  T466]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.338376][  T466]  ? 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)
[   13.338379][  T466]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.338382][  T466]  put_chars (drivers/char/virtio_console.c:1176)
[   13.338384][  T466]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.338386][  T466]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.338389][  T466]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.338393][  T466]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.338395][  T466]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.338399][  T466]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.338402][  T466]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.338404][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.338405][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.338409][  T466]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.338411][  T466]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.338414][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.338416][  T466]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.338420][  T466]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.338424][  T466]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.338426][  T466]  ? 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))
[   13.338429][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.338431][  T466]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.338435][  T466]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.338439][  T466]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.338441][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.338446][  T466]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.338449][  T466]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.338451][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.338453][  T466]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.338457][  T466]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.338458][  T466]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.338462][  T466]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.338466][  T466]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.338468][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.338473][  T466]  _printk (kernel/printk/printk.c:2504)
[   13.338477][  T466]  ? snapshot_read.cold (user.c:?)
[   13.338480][  T466]  ? br_multicast_flood (??:?) bridge
[   13.338493][  T466]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.338495][  T466]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.338496][  T466]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.338500][  T466] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.338510][  T466] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.338519][  T466] new_nbp (net/bridge/br_if.c:449) bridge
[   13.338527][  T466] br_add_if (net/bridge/br_if.c:592) bridge
[   13.338535][  T466]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.338538][  T466]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.338541][  T466]  ? __kernel_text_address (kernel/extable.c:79)
[   13.338545][  T466]  do_set_master (net/core/rtnetlink.c:3071)
[   13.338549][  T466]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.338552][  T466]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.338555][  T466]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.338557][  T466]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.338559][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.338562][  T466]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.338565][  T466]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.338566][  T466]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.338569][  T466]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.338572][  T466]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.338573][  T466]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.338576][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.338578][  T466]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.338581][  T466]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.338585][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.338587][  T466]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.338589][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.338592][  T466]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.338593][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.338595][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.338597][  T466]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.338601][  T466]  ? __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)
[   13.338604][  T466]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.338606][  T466]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.338609][  T466]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.338610][  T466]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.338615][  T466]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.338620][  T466]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.338626][  T466]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.338628][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.338632][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.338634][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.338636][  T466]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.338637][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.338641][  T466]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.338643][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.338646][  T466]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.338647][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.338652][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.338653][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.338657][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.338659][  T466]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.338661][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.338667][  T466]  ? 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))
[   13.338669][  T466]  ? 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))
[   13.338673][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.338677][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.338679][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.338683][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.338687][  T466]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.338691][  T466]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.338696][  T466]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.338698][  T466]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.338700][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.338702][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   13.338709][  T466]  ___sys_sendmsg (net/socket.c:2767)
[   13.338711][  T466]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.338727][  T466]  __sys_sendmsg (net/socket.c:2799)
[   13.338730][  T466]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.338736][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.338739][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.338741][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.338744][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.338746][  T466] RIP: 0033:0x7fb7551b654e
[   13.338750][  T466] 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
[   13.338752][  T466] RSP: 002b:00007ffc9ba3b360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.338755][  T466] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb7551b654e
[   13.338756][  T466] RDX: 0000000000000000 RSI: 00007ffc9ba3b410 RDI: 0000000000000005
[   13.338757][  T466] RBP: 00007ffc9ba3b370 R08: 0000000000000000 R09: 0000000000000000
[   13.338758][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc2a
[   13.338759][  T466] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9ba3bad0
| [   27.521170][    C1] softirqs last disabled at (4915785): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.521174][    C1] Preemption disabled at:
| [   27.521174][    C1] 0x0
| [   27.521187][    C1] Tainted: [W]=WARN
[   27.521188][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.521190][    C1] Call Trace:
[   27.521192][    C1]  <IRQ>
[   27.521193][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.521199][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.521202][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.521206][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.521208][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521212][    C1]  __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))
[   27.521215][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.521218][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.521221][    C1]  ? 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)
[   27.521223][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.521225][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   27.521227][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.521229][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.521232][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.521236][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.521237][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521239][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.521241][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.521243][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.521245][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521247][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521249][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.521250][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.521252][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.521254][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.521257][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.521259][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.521260][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.521262][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521264][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.521265][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.521267][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.521269][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.521271][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.521273][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.521275][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521277][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.521279][    C1]  _printk (kernel/printk/printk.c:2504)
[   27.521282][    C1]  ? snapshot_read.cold (user.c:?)
[   27.521284][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   27.521288][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.521295][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.521296][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.521298][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.521301][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.521303][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.521305][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.521307][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.521309][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.521322][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521323][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.521325][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.521332][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.521335][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.521341][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.521348][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.521355][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   27.521358][    C1]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 16) arch/x86/kernel/apic/apic.c:1062 (discriminator 16))
[   27.521360][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.521362][    C1]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[   27.521365][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.521367][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.521374][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.521376][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.521379][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.521381][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.521383][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.521385][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521387][    C1]  handle_softirqs (kernel/softirq.c:645)
[   27.521389][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.521390][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.521392][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.521394][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   27.521395][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.521397][    C1]  </IRQ>
[   27.521398][    C1]  <TASK>
[   27.521398][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.521400][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.521402][    C1] RIP: 0010:check_preemption_disabled (lib/smp_processor_id.c:14 (discriminator 5))
[   27.521405][    C1] Code: 85 d2 75 0f 65 8b 05 84 c9 f5 01 85 c0 74 04 90 0f 0b 90 e9 93 fb ff ff 0f 1f 00 65 8b 15 21 87 f5 01 65 44 8b 15 29 87 f5 01 <85> d2 74 04 44 89 d0 c3 9c 58 f6 c4 02 74 f5 65 48 8b 15 fa 86 f5
All code
========
   0:	85 d2                	test   %edx,%edx
   2:	75 0f                	jne    0x13
   4:	65 8b 05 84 c9 f5 01 	mov    %gs:0x1f5c984(%rip),%eax        # 0x1f5c98f
   b:	85 c0                	test   %eax,%eax
   d:	74 04                	je     0x13
   f:	90                   	nop
  10:	0f 0b                	ud2
  12:	90                   	nop
  13:	e9 93 fb ff ff       	jmp    0xfffffffffffffbab
  18:	0f 1f 00             	nopl   (%rax)
  1b:	65 8b 15 21 87 f5 01 	mov    %gs:0x1f58721(%rip),%edx        # 0x1f58743
  22:	65 44 8b 15 29 87 f5 	mov    %gs:0x1f58729(%rip),%r10d        # 0x1f58753
  29:	01 
  2a:*	85 d2                	test   %edx,%edx		<-- trapping instruction
  2c:	74 04                	je     0x32
  2e:	44 89 d0             	mov    %r10d,%eax
  31:	c3                   	ret
  32:	9c                   	pushf
  33:	58                   	pop    %rax
  34:	f6 c4 02             	test   $0x2,%ah
  37:	74 f5                	je     0x2e
  39:	65                   	gs
  3a:	48                   	rex.W
  3b:	8b                   	.byte 0x8b
  3c:	15                   	.byte 0x15
  3d:	fa                   	cli
  3e:	86 f5                	xchg   %dh,%ch

Code starting with the faulting instruction
===========================================
   0:	85 d2                	test   %edx,%edx
   2:	74 04                	je     0x8
   4:	44 89 d0             	mov    %r10d,%eax
   7:	c3                   	ret
   8:	9c                   	pushf
   9:	58                   	pop    %rax
   a:	f6 c4 02             	test   $0x2,%ah
   d:	74 f5                	je     0x4
   f:	65                   	gs
  10:	48                   	rex.W
  11:	8b                   	.byte 0x8b
  12:	15                   	.byte 0x15
  13:	fa                   	cli
  14:	86 f5                	xchg   %dh,%ch
[   27.521407][    C1] RSP: 0018:ffa00000006474f8 EFLAGS: 00000282
[   27.521410][    C1] RAX: 0000000000000001 RBX: 1ff40000000c8eac RCX: ffa0000000640000
[   27.521412][    C1] RDX: 0000000000000001 RSI: ffffffff9728d860 RDI: ffffffff9728d8a0
[   27.521413][    C1] RBP: 00007fff740663f0 R08: ffa0000000647678 R09: ffa00000006475a0
[   27.521414][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   27.521415][    C1] R13: ffa0000000647618 R14: ff1100000a17a380 R15: 0000000000082cc0
[   27.521417][    C1]  rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.521419][    C1]  unwind_next_frame (./include/linux/rcupdate.h:878 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   27.521422][    C1]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.521424][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.521425][    C1]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   27.521427][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.521428][    C1]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   27.521430][    C1]  ? write_profile (profile.c:?)
[   27.521432][    C1]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.521435][    C1]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.521437][    C1]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   27.521438][    C1]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   27.521442][    C1]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.521444][    C1]  kasan_save_stack (mm/kasan/common.c:57)
[   27.521447][    C1]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.521448][    C1]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.521450][    C1]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   27.521452][    C1]  ? kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   27.521453][    C1]  ? kmalloc_reserve (net/core/skbuff.c:615 (discriminator 7))
[   27.521455][    C1]  ? __alloc_skb (net/core/skbuff.c:715)
[   27.521456][    C1]  ? alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   27.521458][    C1]  ? sock_alloc_send_pskb (net/core/sock.c:3014)
[   27.521460][    C1]  ? packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   27.521463][    C1]  ? __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   27.521465][    C1]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.521467][    C1]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.521468][    C1]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.521473][    C1]  kasan_save_track (mm/kasan/common.c:78)
[   27.521475][    C1]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   27.521476][    C1]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   27.521478][    C1]  ? kmalloc_reserve (net/core/skbuff.c:615 (discriminator 7))
[   27.521481][    C1]  kmalloc_reserve (net/core/skbuff.c:615 (discriminator 7))
[   27.521482][    C1]  __alloc_skb (net/core/skbuff.c:715)
[   27.521484][    C1]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   27.521486][    C1]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   27.521488][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.521489][    C1]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   27.521492][    C1]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   27.521494][    C1]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   27.521496][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.521498][    C1]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   27.521500][    C1]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   27.521503][    C1]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   27.521506][    C1]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.521508][    C1]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.521510][    C1]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   27.521512][    C1]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.521515][    C1]  ? sock_ioctl (net/socket.c:1446)
[   27.521518][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.521520][    C1]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.521522][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.521524][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.521526][    C1]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.521527][    C1]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.521528][    C1]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.521530][    C1]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.521531][    C1] RIP: 0033:0x7fbef4a5054e
[   27.521533][    C1] 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
[   27.521534][    C1] RSP: 002b:00007fff740663f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.521535][    C1] RAX: ffffffffffffffda RBX: 00005595f5c005e2 RCX: 00007fbef4a5054e
[   27.521536][    C1] RDX: 0000000000001f6a RSI: 00005595f5c005e2 RDI: 0000000000000005
[   27.521537][    C1] RBP: 00007fff74066400 R08: 00007fff74066450 R09: 0000000000000014
[   27.521538][    C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00005595f5bfd830
[   27.521539][    C1] R13: 0000000000001f6a R14: 0000000000000005 R15: 00005595f5bfd830
| [   27.601100][    C1]
| [   27.601176][    C1]
| [   27.601176][    C1] stack backtrace:
| [   27.601378][    C1] Tainted: [W]=WARN
[   27.601379][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.601380][    C1] Call Trace:
[   27.601382][    C1]  <IRQ>
[   27.601383][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.601388][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.601391][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.601394][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.601396][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.601397][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.601399][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.601401][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.601408][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.601410][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.601412][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.601418][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.601420][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.601426][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.601433][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.601439][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   27.601441][    C1]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 16) arch/x86/kernel/apic/apic.c:1062 (discriminator 16))
[   27.601443][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.601445][    C1]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[   27.601447][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.601449][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.601456][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.601458][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.601460][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.601463][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.601465][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.601467][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.601468][    C1]  handle_softirqs (kernel/softirq.c:645)
[   27.601470][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.601472][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.601474][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.601475][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   27.601477][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.601479][    C1]  </IRQ>
[   27.601479][    C1]  <TASK>
[   27.601480][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.601481][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.601483][    C1] RIP: 0010:check_preemption_disabled (lib/smp_processor_id.c:14 (discriminator 5))
[   27.601485][    C1] Code: 85 d2 75 0f 65 8b 05 84 c9 f5 01 85 c0 74 04 90 0f 0b 90 e9 93 fb ff ff 0f 1f 00 65 8b 15 21 87 f5 01 65 44 8b 15 29 87 f5 01 <85> d2 74 04 44 89 d0 c3 9c 58 f6 c4 02 74 f5 65 48 8b 15 fa 86 f5
All code
========
   0:	85 d2                	test   %edx,%edx
   2:	75 0f                	jne    0x13
   4:	65 8b 05 84 c9 f5 01 	mov    %gs:0x1f5c984(%rip),%eax        # 0x1f5c98f
   b:	85 c0                	test   %eax,%eax
   d:	74 04                	je     0x13
   f:	90                   	nop
  10:	0f 0b                	ud2
  12:	90                   	nop
  13:	e9 93 fb ff ff       	jmp    0xfffffffffffffbab
  18:	0f 1f 00             	nopl   (%rax)
  1b:	65 8b 15 21 87 f5 01 	mov    %gs:0x1f58721(%rip),%edx        # 0x1f58743
  22:	65 44 8b 15 29 87 f5 	mov    %gs:0x1f58729(%rip),%r10d        # 0x1f58753
  29:	01 
  2a:*	85 d2                	test   %edx,%edx		<-- trapping instruction
  2c:	74 04                	je     0x32
  2e:	44 89 d0             	mov    %r10d,%eax
  31:	c3                   	ret
  32:	9c                   	pushf
  33:	58                   	pop    %rax
  34:	f6 c4 02             	test   $0x2,%ah
  37:	74 f5                	je     0x2e
  39:	65                   	gs
  3a:	48                   	rex.W
  3b:	8b                   	.byte 0x8b
  3c:	15                   	.byte 0x15
  3d:	fa                   	cli
  3e:	86 f5                	xchg   %dh,%ch

Code starting with the faulting instruction
===========================================
   0:	85 d2                	test   %edx,%edx
   2:	74 04                	je     0x8
   4:	44 89 d0             	mov    %r10d,%eax
   7:	c3                   	ret
   8:	9c                   	pushf
   9:	58                   	pop    %rax
   a:	f6 c4 02             	test   $0x2,%ah
   d:	74 f5                	je     0x4
   f:	65                   	gs
  10:	48                   	rex.W
  11:	8b                   	.byte 0x8b
  12:	15                   	.byte 0x15
  13:	fa                   	cli
  14:	86 f5                	xchg   %dh,%ch
[   27.601487][    C1] RSP: 0018:ffa00000006474f8 EFLAGS: 00000282
[   27.601489][    C1] RAX: 0000000000000001 RBX: 1ff40000000c8eac RCX: ffa0000000640000
[   27.601490][    C1] RDX: 0000000000000001 RSI: ffffffff9728d860 RDI: ffffffff9728d8a0
[   27.601491][    C1] RBP: 00007fff740663f0 R08: ffa0000000647678 R09: ffa00000006475a0
[   27.601492][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   27.601493][    C1] R13: ffa0000000647618 R14: ff1100000a17a380 R15: 0000000000082cc0
[   27.601495][    C1]  rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.601497][    C1]  unwind_next_frame (./include/linux/rcupdate.h:878 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   27.601499][    C1]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.601501][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.601502][    C1]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   27.601503][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.601505][    C1]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   27.601506][    C1]  ? write_profile (profile.c:?)
[   27.601508][    C1]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.601511][    C1]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.601512][    C1]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   27.601514][    C1]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   27.601517][    C1]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.601520][    C1]  kasan_save_stack (mm/kasan/common.c:57)
[   27.601521][    C1]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.601523][    C1]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.601524][    C1]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   27.601526][    C1]  ? kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   27.601527][    C1]  ? kmalloc_reserve (net/core/skbuff.c:615 (discriminator 7))
[   27.601528][    C1]  ? __alloc_skb (net/core/skbuff.c:715)
[   27.601530][    C1]  ? alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   27.601532][    C1]  ? sock_alloc_send_pskb (net/core/sock.c:3014)
[   27.601533][    C1]  ? packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   27.601534][    C1]  ? __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   27.601536][    C1]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.601537][    C1]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.601538][    C1]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.601543][    C1]  kasan_save_track (mm/kasan/common.c:78)
[   27.601544][    C1]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   27.601546][    C1]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   27.601548][    C1]  ? kmalloc_reserve (net/core/skbuff.c:615 (discriminator 7))
[   27.601550][    C1]  kmalloc_reserve (net/core/skbuff.c:615 (discriminator 7))
[   27.601552][    C1]  __alloc_skb (net/core/skbuff.c:715)
[   27.601554][    C1]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   27.601555][    C1]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   27.601557][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.601558][    C1]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   27.601562][    C1]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   27.601563][    C1]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   27.601565][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.601567][    C1]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   27.601569][    C1]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   27.601572][    C1]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   27.601575][    C1]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.601578][    C1]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.601580][    C1]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   27.601582][    C1]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.601584][    C1]  ? sock_ioctl (net/socket.c:1446)
[   27.601587][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.601589][    C1]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.601591][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.601593][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.601594][    C1]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.601595][    C1]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.601597][    C1]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.601598][    C1]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.601599][    C1] RIP: 0033:0x7fbef4a5054e
[   27.601601][    C1] 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
[   27.601602][    C1] RSP: 002b:00007fff740663f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.601604][    C1] RAX: ffffffffffffffda RBX: 00005595f5c005e2 RCX: 00007fbef4a5054e
[   27.601605][    C1] RDX: 0000000000001f6a RSI: 00005595f5c005e2 RDI: 0000000000000005
[   27.601605][    C1] RBP: 00007fff74066400 R08: 00007fff74066450 R09: 0000000000000014
[   27.601606][    C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00005595f5bfd830
[   27.601607][    C1] R13: 0000000000001f6a R14: 0000000000000005 R15: 00005595f5bfd830
| [  391.304349][ T1970] softirqs last disabled at (0): 0x0
| [  391.304351][ T1970] Preemption disabled at:
| [  391.304351][ T1970] 0x0
| [  391.304359][ T1970] Tainted: [W]=WARN
[  391.304360][ T1970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  391.304362][ T1970] Call Trace:
[  391.304364][ T1970]  <TASK>
[  391.304365][ T1970]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  391.304370][ T1970]  __might_resched.cold (kernel/sched/core.c:9234)
[  391.304374][ T1970]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  391.304378][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304381][ T1970]  __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))
[  391.304385][ T1970]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  391.304388][ T1970]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  391.304391][ T1970]  ? 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)
[  391.304393][ T1970]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  391.304395][ T1970]  put_chars (drivers/char/virtio_console.c:1176)
[  391.304397][ T1970]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  391.304398][ T1970]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  391.304402][ T1970]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  391.304405][ T1970]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  391.304407][ T1970]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  391.304408][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304410][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.304412][ T1970]  console_emit_next_record (kernel/printk/printk.c:3183)
[  391.304415][ T1970]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  391.304417][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304419][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304420][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304422][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.304424][ T1970]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  391.304425][ T1970]  console_flush_one_record (kernel/printk/printk.c:3268)
[  391.304428][ T1970]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  391.304430][ T1970]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  391.304432][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.304434][ T1970]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  391.304435][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304437][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  391.304438][ T1970]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  391.304440][ T1970]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  391.304442][ T1970]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  391.304443][ T1970]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  391.304445][ T1970]  vprintk_emit (kernel/printk/printk.c:2479)
[  391.304448][ T1970]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  391.304450][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304451][ T1970]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  391.304454][ T1970]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  391.304456][ T1970]  _printk (kernel/printk/printk.c:2504)
[  391.304459][ T1970]  ? snapshot_read.cold (user.c:?)
[  391.304461][ T1970]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  391.304465][ T1970] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  391.304478][ T1970] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  391.304488][ T1970] br_device_event (net/bridge/br.c:111) bridge
[  391.304500][ T1970]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  391.304504][ T1970]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  391.304506][ T1970]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  391.304509][ T1970]  notifier_call_chain (kernel/notifier.c:85)
[  391.304512][ T1970]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  391.304516][ T1970]  ? netif_change_name (net/core/dev.c:1517)
[  391.304518][ T1970]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  391.304520][ T1970]  ? __kernel_text_address (kernel/extable.c:79)
[  391.304522][ T1970]  ? write_profile (profile.c:?)
[  391.304525][ T1970]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  391.304527][ T1970]  netif_change_flags (net/core/dev.c:9882)
[  391.304530][ T1970]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  391.304532][ T1970]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  391.304534][ T1970]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  391.304535][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304537][ T1970]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  391.304540][ T1970]  ? kasan_save_stack (mm/kasan/common.c:58)
[  391.304544][ T1970]  ? kasan_save_stack (mm/kasan/common.c:57)
[  391.304545][ T1970]  ? kasan_save_track (mm/kasan/common.c:78)
[  391.304546][ T1970]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  391.304548][ T1970]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  391.304550][ T1970]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  391.304551][ T1970]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  391.304552][ T1970]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  391.304554][ T1970]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  391.304556][ T1970]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  391.304557][ T1970]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  391.304559][ T1970]  ? ___sys_sendmsg (net/socket.c:2767)
[  391.304561][ T1970]  ? __sys_sendmsg (net/socket.c:2799)
[  391.304562][ T1970]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  391.304564][ T1970]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  391.304567][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304568][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.304570][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304571][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304573][ T1970]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  391.304576][ T1970]  ? __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)
[  391.304577][ T1970]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  391.304579][ T1970]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  391.304580][ T1970]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  391.304582][ T1970]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  391.304585][ T1970]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  391.304587][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304588][ T1970]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  391.304589][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.304591][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304593][ T1970]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  391.304596][ T1970]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  391.304598][ T1970]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  391.304599][ T1970]  ? __kernel_text_address (kernel/extable.c:79)
[  391.304600][ T1970]  ? write_profile (profile.c:?)
[  391.304601][ T1970]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  391.304603][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304605][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304606][ T1970]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  391.304610][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.304611][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304613][ T1970]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  391.304614][ T1970]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  391.304616][ T1970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  391.304617][ T1970]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  391.304619][ T1970]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  391.304621][ T1970]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  391.304622][ T1970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  391.304624][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  391.304625][ T1970]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  391.304626][ T1970]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  391.304629][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304631][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  391.304633][ T1970]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  391.304635][ T1970]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  391.304636][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304638][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304639][ T1970]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.304641][ T1970]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  391.304643][ T1970]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  391.304645][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304647][ T1970]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  391.304649][ T1970]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  391.304650][ T1970]  ? copy_msghdr_from_user (net/socket.c:2650)
[  391.304652][ T1970]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  391.304653][ T1970]  ? move_addr_to_kernel (net/socket.c:258)
[  391.304655][ T1970]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  391.304657][ T1970]  ___sys_sendmsg (net/socket.c:2767)
[  391.304659][ T1970]  ? copy_msghdr_from_user (net/socket.c:2619)
[  391.304664][ T1970]  __sys_sendmsg (net/socket.c:2799)
[  391.304666][ T1970]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  391.304669][ T1970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.304671][ T1970]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  391.304672][ T1970]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  391.304674][ T1970]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  391.304676][ T1970] RIP: 0033:0x7f89b00a154e
[  391.304678][ T1970] 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
[  391.304679][ T1970] RSP: 002b:00007ffc42629d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  391.304683][ T1970] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f89b00a154e
[  391.304685][ T1970] RDX: 0000000000000000 RSI: 00007ffc42629de0 RDI: 0000000000000005
[  391.304685][ T1970] RBP: 00007ffc42629d40 R08: 0000000000000000 R09: 0000000000000000
[  391.304686][ T1970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fda4


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