======================================
| [   11.307277][  T238] softirqs last disabled at (37685): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.307279][  T238] Preemption disabled at:
| [   11.307280][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.307289][  T238] Tainted: [W]=WARN
[   11.307290][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.307292][  T238] Call Trace:
[   11.307293][  T238]  <TASK>
[   11.307294][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.307300][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.307302][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.307307][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.307310][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.307316][  T238]  __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))
[   11.307318][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.307324][  T238]  ? 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)
[   11.307327][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.307330][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.307333][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.307334][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.307339][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.307341][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.307346][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.307348][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.307353][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.307356][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.307360][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.307364][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.307366][  T238]  ? 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))
[   11.307369][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.307371][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.307375][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.307379][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.307381][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.307385][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.307388][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.307390][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.307392][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.307396][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.307397][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.307400][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.307404][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.307410][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.307413][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.307417][  T238]  ? snapshot_read.cold (user.c:?)
[   11.307423][  T238]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.307426][  T238] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.307429][  T238]  do_one_initcall (init/main.c:1357)
[   11.307436][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.307441][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.307444][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.307448][  T238]  do_init_module (kernel/module/main.c:3117)
[   11.307452][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.307456][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.307459][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.307463][  T238]  load_module (kernel/module/main.c:3593)
[   11.307470][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.307474][  T238]  ? __ia32_sys_fsconfig (??:?)
[   11.307477][  T238]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.307481][  T238]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.307484][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.307487][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   11.307490][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.307498][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.307502][  T238]  ? 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)
[   11.307504][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   11.307508][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.307514][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.307516][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.307522][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.307524][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.307527][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.307529][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.307532][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.307534][  T238] RIP: 0033:0x7f316cc0137d
[   11.307537][  T238] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.307539][  T238] RSP: 002b:00007ffedeb73fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.307542][  T238] RAX: ffffffffffffffda RBX: 0000562991cf3810 RCX: 00007f316cc0137d
[   11.307543][  T238] RDX: 0000000000000000 RSI: 000056297f705ffd RDI: 0000000000000000
[   11.307544][  T238] RBP: 00007ffedeb74080 R08: 0000000000000000 R09: 0000000000000000
[   11.307545][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 000056297f705ffd
[   11.307545][  T238] R13: 0000562991cf3960 R14: 0000000000040000 R15: 0000000000000000
| [   12.638050][  T286] softirqs last disabled at (14006): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.638052][  T286] Preemption disabled at:
| [   12.638053][  T286] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.638063][  T286] Tainted: [W]=WARN
[   12.638063][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.638065][  T286] Call Trace:
[   12.638067][  T286]  <TASK>
[   12.638068][  T286]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.638074][  T286]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.638076][  T286]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.638081][  T286]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.638085][  T286]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.638090][  T286]  __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))
[   12.638092][  T286]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.638098][  T286]  ? 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)
[   12.638101][  T286]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.638104][  T286]  put_chars (drivers/char/virtio_console.c:1176)
[   12.638106][  T286]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.638111][  T286]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.638114][  T286]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.638117][  T286]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.638119][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.638120][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.638124][  T286]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.638126][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.638129][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.638133][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.638137][  T286]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.638140][  T286]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.638142][  T286]  ? 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))
[   12.638145][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.638147][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.638151][  T286]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.638155][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.638157][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.638162][  T286]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.638164][  T286]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.638166][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.638168][  T286]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.638172][  T286]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.638173][  T286]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.638177][  T286]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.638180][  T286]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.638183][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.638184][  T286]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.638189][  T286]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.638192][  T286]  _printk (kernel/printk/printk.c:2504)
[   12.638195][  T286]  ? snapshot_read.cold (user.c:?)
[   12.638199][  T286]  ? br_multicast_flood (??:?) bridge
[   12.638213][  T286]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.638214][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.638215][  T286]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.638220][  T286] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.638230][  T286] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.638238][  T286] new_nbp (net/bridge/br_if.c:449) bridge
[   12.638247][  T286] br_add_if (net/bridge/br_if.c:592) bridge
[   12.638254][  T286]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.638258][  T286]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.638261][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   12.638265][  T286]  do_set_master (net/core/rtnetlink.c:3071)
[   12.638269][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.638272][  T286]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.638275][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.638276][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.638279][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.638283][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.638285][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.638287][  T286]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.638289][  T286]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.638292][  T286]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.638294][  T286]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.638297][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.638298][  T286]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.638301][  T286]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.638306][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.638308][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.638310][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.638313][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.638314][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.638316][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.638318][  T286]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.638322][  T286]  ? __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)
[   12.638324][  T286]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.638326][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.638329][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.638330][  T286]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.638335][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.638340][  T286]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.638345][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.638347][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.638351][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.638353][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.638355][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.638357][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.638361][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.638363][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.638365][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.638367][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.638371][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.638373][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.638376][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.638378][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.638381][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.638387][  T286]  ? 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))
[   12.638388][  T286]  ? 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))
[   12.638392][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.638396][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.638399][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.638403][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.638406][  T286]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.638410][  T286]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.638415][  T286]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.638417][  T286]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.638420][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.638421][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   12.638428][  T286]  ___sys_sendmsg (net/socket.c:2767)
[   12.638431][  T286]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.638453][  T286]  __sys_sendmsg (net/socket.c:2799)
[   12.638456][  T286]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.638462][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.638465][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.638468][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.638470][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.638472][  T286] RIP: 0033:0x7f9aa282654e
[   12.638476][  T286] 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
[   12.638478][  T286] RSP: 002b:00007ffca5561f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.638480][  T286] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9aa282654e
[   12.638482][  T286] RDX: 0000000000000000 RSI: 00007ffca5561fb0 RDI: 0000000000000005
[   12.638483][  T286] RBP: 00007ffca5561f10 R08: 0000000000000000 R09: 0000000000000000
[   12.638483][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af3c
[   12.638484][  T286] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca5562670
| [   14.525655][  T346] softirqs last disabled at (23423): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.525658][  T346] Preemption disabled at:
| [   14.525659][  T346] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.525671][  T346] Tainted: [W]=WARN
[   14.525673][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.525675][  T346] Call Trace:
[   14.525677][  T346]  <TASK>
[   14.525679][  T346]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.525687][  T346]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.525690][  T346]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.525696][  T346]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.525702][  T346]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.525709][  T346]  __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))
[   14.525713][  T346]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.525722][  T346]  ? 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)
[   14.525725][  T346]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.525730][  T346]  put_chars (drivers/char/virtio_console.c:1176)
[   14.525733][  T346]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.525736][  T346]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.525741][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.525747][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.525750][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.525756][  T346]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.525760][  T346]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.525763][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.525765][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.525771][  T346]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.525775][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.525780][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.525784][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.525791][  T346]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.525797][  T346]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.525799][  T346]  ? 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))
[   14.525804][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.525808][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.525815][  T346]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.525821][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.525824][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.525833][  T346]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.525837][  T346]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.525840][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.525843][  T346]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.525849][  T346]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.525852][  T346]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.525857][  T346]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.525863][  T346]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.525873][  T346]  _printk (kernel/printk/printk.c:2504)
[   14.525878][  T346]  ? snapshot_read.cold (user.c:?)
[   14.525884][  T346]  ? br_multicast_flood (??:?) bridge
[   14.525902][  T346]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.525904][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.525906][  T346]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.525914][  T346] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.525931][  T346] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.525945][  T346] new_nbp (net/bridge/br_if.c:449) bridge
[   14.525961][  T346] br_add_if (net/bridge/br_if.c:592) bridge
[   14.525972][  T346]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.525978][  T346]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.525981][  T346]  ? __kernel_text_address (kernel/extable.c:79)
[   14.525988][  T346]  do_set_master (net/core/rtnetlink.c:3071)
[   14.525996][  T346]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.526001][  T346]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.526006][  T346]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.526008][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.526011][  T346]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.526015][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.526021][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.526024][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.526028][  T346]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.526032][  T346]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.526034][  T346]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.526039][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.526042][  T346]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.526046][  T346]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.526053][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.526056][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.526061][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.526064][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.526067][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.526069][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.526073][  T346]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.526078][  T346]  ? __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)
[   14.526082][  T346]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.526086][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.526091][  T346]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.526094][  T346]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.526103][  T346]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.526112][  T346]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.526122][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.526125][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.526132][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.526135][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.526139][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.526142][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.526148][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.526152][  T346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.526157][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.526159][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.526167][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.526169][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.526175][  T346]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.526178][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.526183][  T346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.526193][  T346]  ? 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))
[   14.526196][  T346]  ? 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))
[   14.526203][  T346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.526210][  T346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.526214][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.526221][  T346]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.526227][  T346]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.526234][  T346]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.526242][  T346]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.526246][  T346]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.526249][  T346]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.526251][  T346]  ? move_addr_to_kernel (net/socket.c:258)
[   14.526265][  T346]  ___sys_sendmsg (net/socket.c:2767)
[   14.526269][  T346]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.526297][  T346]  __sys_sendmsg (net/socket.c:2799)
[   14.526302][  T346]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.526313][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.526319][  T346]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.526323][  T346]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.526327][  T346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.526331][  T346] RIP: 0033:0x7f9d4514a54e
[   14.526335][  T346] 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
[   14.526337][  T346] RSP: 002b:00007ffcf11311c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.526341][  T346] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9d4514a54e
[   14.526343][  T346] RDX: 0000000000000000 RSI: 00007ffcf1131270 RDI: 0000000000000005
[   14.526345][  T346] RBP: 00007ffcf11311d0 R08: 0000000000000000 R09: 0000000000000000
[   14.526346][  T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af3d
[   14.526348][  T346] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf1131930
| [   16.178777][  T400] softirqs last disabled at (13374): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.178779][  T400] Preemption disabled at:
| [   16.178780][  T400] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.178789][  T400] Tainted: [W]=WARN
[   16.178790][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.178792][  T400] Call Trace:
[   16.178793][  T400]  <TASK>
[   16.178795][  T400]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.178800][  T400]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.178803][  T400]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.178807][  T400]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.178811][  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)
[   16.178816][  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))
[   16.178819][  T400]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.178824][  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)
[   16.178827][  T400]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.178830][  T400]  put_chars (drivers/char/virtio_console.c:1176)
[   16.178832][  T400]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.178834][  T400]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.178837][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.178841][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.178844][  T400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.178847][  T400]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.178850][  T400]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.178852][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.178853][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.178857][  T400]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.178859][  T400]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.178862][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.178865][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.178869][  T400]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.178873][  T400]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.178874][  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))
[   16.178877][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.178880][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.178884][  T400]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.178888][  T400]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.178889][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.178895][  T400]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.178897][  T400]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.178899][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.178901][  T400]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.178905][  T400]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.178907][  T400]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.178910][  T400]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.178914][  T400]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.178917][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.178919][  T400]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.178923][  T400]  _printk (kernel/printk/printk.c:2504)
[   16.178926][  T400]  ? snapshot_read.cold (user.c:?)
[   16.178930][  T400]  ? br_multicast_flood (??:?) bridge
[   16.178943][  T400]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.178944][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.178945][  T400]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.178950][  T400] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.178960][  T400] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.178968][  T400] new_nbp (net/bridge/br_if.c:449) bridge
[   16.178977][  T400] br_add_if (net/bridge/br_if.c:592) bridge
[   16.178984][  T400]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.178988][  T400]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.178991][  T400]  ? __kernel_text_address (kernel/extable.c:79)
[   16.178996][  T400]  do_set_master (net/core/rtnetlink.c:3071)
[   16.179000][  T400]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.179003][  T400]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.179006][  T400]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.179008][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.179009][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.179013][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.179015][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.179017][  T400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.179021][  T400]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.179025][  T400]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.179026][  T400]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.179029][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.179031][  T400]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   16.179034][  T400]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.179038][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.179040][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.179043][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.179045][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.179046][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.179048][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.179050][  T400]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.179054][  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)
[   16.179057][  T400]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.179059][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.179062][  T400]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.179064][  T400]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.179069][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.179074][  T400]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.179079][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.179081][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.179085][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.179087][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.179089][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.179091][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.179094][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.179096][  T400]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.179099][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.179101][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.179105][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.179107][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.179110][  T400]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.179112][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.179115][  T400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.179121][  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))
[   16.179122][  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))
[   16.179126][  T400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.179130][  T400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.179133][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.179137][  T400]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.179140][  T400]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.179144][  T400]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.179149][  T400]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.179151][  T400]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.179154][  T400]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.179155][  T400]  ? move_addr_to_kernel (net/socket.c:258)
[   16.179162][  T400]  ___sys_sendmsg (net/socket.c:2767)
[   16.179165][  T400]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.179180][  T400]  __sys_sendmsg (net/socket.c:2799)
[   16.179183][  T400]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.179189][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.179193][  T400]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.179195][  T400]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.179198][  T400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.179201][  T400] RIP: 0033:0x7f407a57454e
[   16.179204][  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
[   16.179206][  T400] RSP: 002b:00007fff45856480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.179208][  T400] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f407a57454e
[   16.179210][  T400] RDX: 0000000000000000 RSI: 00007fff45856530 RDI: 0000000000000005
[   16.179211][  T400] RBP: 00007fff45856490 R08: 0000000000000000 R09: 0000000000000000
[   16.179211][  T400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af3f
[   16.179212][  T400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff45856bf0
| [   28.038129][    C0] softirqs last disabled at (1050553): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.038130][    C0] Preemption disabled at:
| [   28.038131][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.038141][    C0] Tainted: [W]=WARN
[   28.038142][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.038145][    C0] Call Trace:
[   28.038146][    C0]  <IRQ>
[   28.038148][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.038153][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.038154][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.038158][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.038161][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.038164][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038168][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.038171][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.038174][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.038177][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.038179][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.038181][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.038183][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.038185][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.038188][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.038192][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.038193][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038195][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.038197][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.038200][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.038202][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038203][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038205][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.038207][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.038209][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.038211][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.038213][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.038215][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.038216][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.038218][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038219][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.038221][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.038223][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.038224][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.038226][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.038229][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.038230][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038232][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.038234][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.038238][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.038241][    C0]  ? snapshot_read.cold (user.c:?)
[   28.038243][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.038247][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.038249][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.038250][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.038253][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.038256][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.038257][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.038259][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.038261][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.038263][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.038275][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038277][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.038279][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.038285][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.038287][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.038293][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.038299][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.038305][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.038308][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.038310][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.038313][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.038315][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.038317][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038319][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.038321][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.038327][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.038329][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.038332][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.038334][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.038336][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.038338][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.038340][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038342][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.038344][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.038345][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.038347][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.038349][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.038350][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.038353][    C0]  </IRQ>
[   28.038354][    C0]  <TASK>
[   28.038355][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.038356][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.038359][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.038362][    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
[   28.038363][    C0] RSP: 0018:ffffffffbb207cf8 EFLAGS: 00000296
[   28.038367][    C0] RAX: 00000000001007b7 RBX: ffffffffbb21c600 RCX: ffffffffb82f0307
[   28.038368][    C0] RDX: ffffffffbb21c600 RSI: ffffffffbb038af6 RDI: ffffffffbaa8d8e0
[   28.038369][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.038370][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7640fa2
[   28.038370][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.038372][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.038375][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.038376][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.038378][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.038380][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.038381][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.038383][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.038385][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.038387][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.038389][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.038390][    C0]  rest_init (init/main.c:727)
[   28.038393][    C0]  ? __cpuidle_text_end (??:?)
[   28.038395][    C0]  ? rest_init (init/main.c:727)
[   28.038397][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.038401][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.038403][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.038406][    C0]  start_kernel (init/main.c:1185)
[   28.038408][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.038410][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.038412][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.117692][    C0]
| [   28.117840][    C0]
| [   28.117840][    C0] stack backtrace:
| [   28.118053][    C0] Tainted: [W]=WARN
[   28.118054][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.118055][    C0] Call Trace:
[   28.118057][    C0]  <IRQ>
[   28.118058][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.118062][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.118065][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.118068][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.118070][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.118072][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.118074][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.118075][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.118082][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.118085][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.118087][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.118093][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.118095][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.118101][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.118107][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.118113][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.118115][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.118116][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.118120][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.118121][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.118123][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.118125][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.118127][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.118133][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.118135][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.118138][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.118140][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.118142][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.118144][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.118146][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.118148][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.118150][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.118151][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.118153][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.118155][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.118156][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.118158][    C0]  </IRQ>
[   28.118158][    C0]  <TASK>
[   28.118159][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.118161][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.118162][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.118165][    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
[   28.118166][    C0] RSP: 0018:ffffffffbb207cf8 EFLAGS: 00000296
[   28.118168][    C0] RAX: 00000000001007b7 RBX: ffffffffbb21c600 RCX: ffffffffb82f0307
[   28.118170][    C0] RDX: ffffffffbb21c600 RSI: ffffffffbb038af6 RDI: ffffffffbaa8d8e0
[   28.118171][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.118172][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7640fa2
[   28.118172][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.118174][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.118176][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.118177][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.118179][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.118181][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.118182][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.118184][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.118186][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.118188][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.118189][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.118191][    C0]  rest_init (init/main.c:727)
[   28.118193][    C0]  ? __cpuidle_text_end (??:?)
[   28.118195][    C0]  ? rest_init (init/main.c:727)
[   28.118197][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.118201][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.118204][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.118206][    C0]  start_kernel (init/main.c:1185)
[   28.118207][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.118209][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.118211][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.468627][  T539] softirqs last disabled at (0): 0x0
| [   29.468629][  T539] Preemption disabled at:
| [   29.468630][  T539] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.468641][  T539] Tainted: [W]=WARN
[   29.468641][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.468644][  T539] Call Trace:
[   29.468645][  T539]  <TASK>
[   29.468647][  T539]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.468652][  T539]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.468654][  T539]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.468658][  T539]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.468661][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468665][  T539]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.468669][  T539]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.468672][  T539]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.468675][  T539]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.468677][  T539]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.468679][  T539]  put_chars (drivers/char/virtio_console.c:1176)
[   29.468681][  T539]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.468683][  T539]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.468685][  T539]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.468687][  T539]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.468691][  T539]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.468692][  T539]  ? 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)
[   29.468694][  T539]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.468695][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468697][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468699][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.468701][  T539]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.468703][  T539]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.468706][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468707][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468709][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468710][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.468712][  T539]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.468714][  T539]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.468716][  T539]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.468719][  T539]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.468721][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.468722][  T539]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.468724][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468725][  T539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.468727][  T539]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.468728][  T539]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.468730][  T539]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.468732][  T539]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.468734][  T539]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.468736][  T539]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.468739][  T539]  ? 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
[   29.468742][  T539]  _printk (kernel/printk/printk.c:2504)
[   29.468745][  T539]  ? snapshot_read.cold (user.c:?)
[   29.468748][  T539]  ? 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)
[   29.468750][  T539] gact_init_module (net/sched/act_gact.c:180) act_gact
[   29.468752][  T539]  do_one_initcall (init/main.c:1357)
[   29.468754][  T539]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   29.468756][  T539]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   29.468759][  T539]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   29.468762][  T539]  do_init_module (kernel/module/main.c:3117)
[   29.468765][  T539]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   29.468767][  T539]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   29.468769][  T539]  load_module (kernel/module/main.c:3593)
[   29.468772][  T539]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   29.468775][  T539]  ? __ia32_sys_fsconfig (??:?)
[   29.468777][  T539]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   29.468781][  T539]  ? backing_file_read_iter (fs/backing-file.c:211)
[   29.468784][  T539]  init_module_from_file (kernel/module/main.c:3790)
[   29.468786][  T539]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   29.468789][  T539]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   29.468791][  T539]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.468793][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468795][  T539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.468796][  T539]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.468798][  T539]  idempotent_init_module (kernel/module/main.c:3802)
[   29.468800][  T539]  ? init_module_from_file (kernel/module/main.c:3791)
[   29.468803][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.468805][  T539]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.468809][  T539]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   29.468811][  T539]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.468814][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.468817][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.468819][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.468821][  T539] RIP: 0033:0x7ffb645ce37d
[   29.468823][  T539] 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
[   29.468825][  T539] RSP: 002b:00007fffee7af2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   29.468829][  T539] RAX: ffffffffffffffda RBX: 000055c98aa41810 RCX: 00007ffb645ce37d
[   29.468831][  T539] RDX: 0000000000000000 RSI: 000055c95d76cffd RDI: 0000000000000000
[   29.468831][  T539] RBP: 00007fffee7af390 R08: 0000000000000000 R09: 0000000000000000
[   29.468833][  T539] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c95d76cffd
[   29.468834][  T539] R13: 000055c98aa41960 R14: 0000000000040000 R15: 0000000000000000
| [   49.722628][ T1779] softirqs last disabled at (0): 0x0
| [   49.722629][ T1779] Preemption disabled at:
| [   49.722630][ T1779] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [   49.722641][ T1779] Tainted: [W]=WARN
[   49.722642][ T1779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.722644][ T1779] Call Trace:
[   49.722646][ T1779]  <TASK>
[   49.722647][ T1779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.722652][ T1779]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[   49.722654][ T1779]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.722658][ T1779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.722662][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722666][ T1779]  __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))
[   49.722670][ T1779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.722672][ T1779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.722676][ T1779]  ? 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)
[   49.722678][ T1779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.722680][ T1779]  put_chars (drivers/char/virtio_console.c:1176)
[   49.722681][ T1779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.722683][ T1779]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   49.722686][ T1779]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   49.722688][ T1779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.722691][ T1779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.722693][ T1779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.722694][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722696][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722697][ T1779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.722699][ T1779]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.722702][ T1779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.722704][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722705][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722707][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722709][ T1779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.722710][ T1779]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   49.722712][ T1779]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.722714][ T1779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.722717][ T1779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.722718][ T1779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.722720][ T1779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.722722][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722723][ T1779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.722724][ T1779]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.722726][ T1779]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   49.722728][ T1779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.722730][ T1779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.722732][ T1779]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.722734][ T1779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.722737][ T1779]  _printk (kernel/printk/printk.c:2504)
[   49.722740][ T1779]  ? snapshot_read.cold (user.c:?)
[   49.722742][ T1779]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.722745][ T1779]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.722747][ T1779]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.722748][ T1779]  ? netdev_notice (net/core/dev.c:13194)
[   49.722750][ T1779]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.722753][ T1779]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   49.722755][ T1779]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[   49.722756][ T1779]  ? 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)
[   49.722759][ T1779]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   49.722762][ T1779]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[   49.722765][ T1779]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[   49.722766][ T1779]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[   49.722769][ T1779]  ? __nla_parse (lib/nlattr.c:732)
[   49.722772][ T1779]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[   49.722773][ T1779]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.722775][ T1779]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   49.722776][ T1779]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[   49.722777][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722779][ T1779]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   49.722782][ T1779]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   49.722785][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722786][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722788][ T1779]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   49.722791][ T1779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.722793][ T1779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   49.722795][ T1779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.722796][ T1779]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.722798][ T1779]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   49.722801][ T1779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.722804][ T1779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.722806][ T1779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.722807][ T1779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.722808][ T1779]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   49.722811][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722812][ T1779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.722814][ T1779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.722816][ T1779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.722818][ T1779]  ? next_uptodate_folio (mm/filemap.c:3747)
[   49.722821][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722822][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722824][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722826][ T1779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.722828][ T1779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.722830][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722831][ T1779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.722833][ T1779]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.722836][ T1779]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.722837][ T1779]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   49.722839][ T1779]  ? move_addr_to_kernel (net/socket.c:258)
[   49.722841][ T1779]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   49.722844][ T1779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.722846][ T1779]  ___sys_sendmsg (net/socket.c:2767)
[   49.722847][ T1779]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   49.722849][ T1779]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.722851][ T1779]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   49.722856][ T1779]  __sys_sendmsg (net/socket.c:2799)
[   49.722858][ T1779]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.722860][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722862][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.722864][ T1779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.722867][ T1779]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.722869][ T1779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.722870][ T1779] RIP: 0033:0x7f375bb0b54e
[   49.722872][ T1779] 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
[   49.722874][ T1779] RSP: 002b:00007ffc98d5ae60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.722878][ T1779] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f375bb0b54e
[   49.722879][ T1779] RDX: 0000000000000000 RSI: 00007ffc98d5af10 RDI: 0000000000000005
[   49.722880][ T1779] RBP: 00007ffc98d5ae70 R08: 0000000000000000 R09: 0000000000000000
[   49.722881][ T1779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af62
[   49.722881][ T1779] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [   64.942160][ T2706] softirqs last disabled at (0): 0x0
| [   64.942162][ T2706] Preemption disabled at:
| [   64.942162][ T2706] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [   64.942173][ T2706] Tainted: [W]=WARN
[   64.942174][ T2706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.942175][ T2706] Call Trace:
[   64.942177][ T2706]  <TASK>
[   64.942178][ T2706]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.942183][ T2706]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[   64.942185][ T2706]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.942188][ T2706]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.942192][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942195][ T2706]  __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))
[   64.942199][ T2706]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.942201][ T2706]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.942205][ T2706]  ? 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)
[   64.942207][ T2706]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.942208][ T2706]  put_chars (drivers/char/virtio_console.c:1176)
[   64.942210][ T2706]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.942212][ T2706]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   64.942215][ T2706]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.942219][ T2706]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.942220][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942222][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942223][ T2706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.942225][ T2706]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.942228][ T2706]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.942230][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942231][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942233][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942234][ T2706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.942236][ T2706]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   64.942238][ T2706]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.942240][ T2706]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.942243][ T2706]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.942244][ T2706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.942246][ T2706]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.942247][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942249][ T2706]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.942250][ T2706]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.942252][ T2706]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   64.942254][ T2706]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.942255][ T2706]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.942257][ T2706]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.942259][ T2706]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.942261][ T2706]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[   64.942264][ T2706]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[   64.942265][ T2706]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   64.942267][ T2706]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   64.942268][ T2706]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.942271][ T2706]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.942272][ T2706]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.942273][ T2706]  _printk (kernel/printk/printk.c:2504)
[   64.942276][ T2706]  ? snapshot_read.cold (user.c:?)
[   64.942279][ T2706]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.942281][ T2706]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.942283][ T2706]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.942285][ T2706]  ? netdev_notice (net/core/dev.c:13194)
[   64.942286][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942288][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942290][ T2706]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.942292][ T2706]  ? 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)
[   64.942294][ T2706]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   64.942295][ T2706]  ? 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)
[   64.942298][ T2706]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   64.942300][ T2706]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[   64.942304][ T2706]  dev_uc_del (net/core/dev_addr_lists.c:845)
[   64.942305][ T2706]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   64.942307][ T2706]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.942308][ T2706]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   64.942310][ T2706]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[   64.942311][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942312][ T2706]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   64.942315][ T2706]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.942318][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942320][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942321][ T2706]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   64.942325][ T2706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.942327][ T2706]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   64.942328][ T2706]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.942330][ T2706]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   64.942332][ T2706]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   64.942336][ T2706]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.942337][ T2706]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.942339][ T2706]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.942340][ T2706]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.942341][ T2706]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   64.942344][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942345][ T2706]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.942347][ T2706]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.942349][ T2706]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.942350][ T2706]  ? next_uptodate_folio (mm/filemap.c:3747)
[   64.942353][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942355][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942356][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942358][ T2706]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.942360][ T2706]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.942362][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942364][ T2706]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.942366][ T2706]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.942368][ T2706]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.942370][ T2706]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   64.942372][ T2706]  ? move_addr_to_kernel (net/socket.c:258)
[   64.942374][ T2706]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   64.942376][ T2706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.942378][ T2706]  ___sys_sendmsg (net/socket.c:2767)
[   64.942379][ T2706]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   64.942381][ T2706]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.942383][ T2706]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   64.942388][ T2706]  __sys_sendmsg (net/socket.c:2799)
[   64.942390][ T2706]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.942392][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942394][ T2706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.942396][ T2706]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.942399][ T2706]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.942400][ T2706]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.942402][ T2706] RIP: 0033:0x7f0c82c2554e
[   64.942404][ T2706] 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
[   64.942406][ T2706] RSP: 002b:00007fff3df39460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.942409][ T2706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0c82c2554e
[   64.942411][ T2706] RDX: 0000000000000000 RSI: 00007fff3df39510 RDI: 0000000000000005
[   64.942411][ T2706] RBP: 00007fff3df39470 R08: 0000000000000000 R09: 0000000000000000
[   64.942412][ T2706] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af71
[   64.942413][ T2706] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [   80.052403][ T3639] softirqs last disabled at (0): 0x0
| [   80.052405][ T3639] Preemption disabled at:
| [   80.052406][ T3639] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [   80.052417][ T3639] Tainted: [W]=WARN
[   80.052418][ T3639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.052420][ T3639] Call Trace:
[   80.052422][ T3639]  <TASK>
[   80.052423][ T3639]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.052428][ T3639]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[   80.052430][ T3639]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.052434][ T3639]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.052438][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052441][ T3639]  __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))
[   80.052445][ T3639]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.052448][ T3639]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.052451][ T3639]  ? 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)
[   80.052453][ T3639]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.052455][ T3639]  put_chars (drivers/char/virtio_console.c:1176)
[   80.052457][ T3639]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.052459][ T3639]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   80.052462][ T3639]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.052466][ T3639]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.052467][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052469][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052471][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.052473][ T3639]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.052476][ T3639]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.052478][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052480][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052481][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052483][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.052485][ T3639]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   80.052487][ T3639]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.052489][ T3639]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.052492][ T3639]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.052494][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.052495][ T3639]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.052497][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052498][ T3639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.052500][ T3639]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   80.052501][ T3639]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   80.052504][ T3639]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.052505][ T3639]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.052508][ T3639]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.052510][ T3639]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.052512][ T3639]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[   80.052515][ T3639]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[   80.052516][ T3639]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   80.052518][ T3639]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   80.052519][ T3639]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.052522][ T3639]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.052523][ T3639]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.052525][ T3639]  _printk (kernel/printk/printk.c:2504)
[   80.052528][ T3639]  ? snapshot_read.cold (user.c:?)
[   80.052531][ T3639]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.052533][ T3639]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.052535][ T3639]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.052537][ T3639]  ? netdev_notice (net/core/dev.c:13194)
[   80.052539][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052541][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052543][ T3639]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   80.052545][ T3639]  ? 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)
[   80.052547][ T3639]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   80.052548][ T3639]  ? 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)
[   80.052551][ T3639]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   80.052554][ T3639]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[   80.052557][ T3639]  dev_uc_del (net/core/dev_addr_lists.c:845)
[   80.052559][ T3639]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   80.052560][ T3639]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.052562][ T3639]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   80.052563][ T3639]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[   80.052565][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052566][ T3639]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   80.052569][ T3639]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.052572][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052574][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052575][ T3639]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   80.052579][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.052586][ T3639]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   80.052588][ T3639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.052590][ T3639]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.052592][ T3639]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.052596][ T3639]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.052598][ T3639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.052599][ T3639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.052601][ T3639]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.052602][ T3639]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   80.052605][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052607][ T3639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.052609][ T3639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.052611][ T3639]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.052612][ T3639]  ? next_uptodate_folio (mm/filemap.c:3747)
[   80.052615][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052617][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052618][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052621][ T3639]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.052623][ T3639]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.052624][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052626][ T3639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.052628][ T3639]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.052631][ T3639]  ? copy_msghdr_from_user (net/socket.c:2650)
[   80.052633][ T3639]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   80.052634][ T3639]  ? move_addr_to_kernel (net/socket.c:258)
[   80.052637][ T3639]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   80.052639][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.052641][ T3639]  ___sys_sendmsg (net/socket.c:2767)
[   80.052643][ T3639]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   80.052646][ T3639]  ? copy_msghdr_from_user (net/socket.c:2619)
[   80.052647][ T3639]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   80.052652][ T3639]  __sys_sendmsg (net/socket.c:2799)
[   80.052654][ T3639]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   80.052657][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052659][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.052661][ T3639]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.052664][ T3639]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.052666][ T3639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.052668][ T3639] RIP: 0033:0x7f5a08be154e
[   80.052670][ T3639] 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
[   80.052672][ T3639] RSP: 002b:00007ffd5d2be9a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.052675][ T3639] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a08be154e
[   80.052677][ T3639] RDX: 0000000000000000 RSI: 00007ffd5d2bea50 RDI: 0000000000000005
[   80.052678][ T3639] RBP: 00007ffd5d2be9b0 R08: 0000000000000000 R09: 0000000000000000
[   80.052679][ T3639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af80
[   80.052679][ T3639] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [   85.432597][ T3663] softirqs last disabled at (0): 0x0
| [   85.432599][ T3663] Preemption disabled at:
| [   85.432600][ T3663] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.432611][ T3663] Tainted: [W]=WARN
[   85.432612][ T3663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.432614][ T3663] Call Trace:
[   85.432615][ T3663]  <TASK>
[   85.432616][ T3663]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.432622][ T3663]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.432624][ T3663]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.432628][ T3663]  ? __module_address (kernel/module/main.c:3915)
[   85.432631][ T3663]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.432635][ T3663]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   85.432636][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432640][ T3663]  __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))
[   85.432643][ T3663]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   85.432646][ T3663]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.432649][ T3663]  ? 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)
[   85.432651][ T3663]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.432653][ T3663]  put_chars (drivers/char/virtio_console.c:1176)
[   85.432655][ T3663]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   85.432656][ T3663]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.432658][ T3663]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   85.432660][ T3663]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.432664][ T3663]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.432665][ T3663]  ? 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)
[   85.432666][ T3663]  ? vsnprintf (lib/vsprintf.c:2900)
[   85.432670][ T3663]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   85.432671][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432673][ T3663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.432675][ T3663]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.432678][ T3663]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.432680][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432681][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432683][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432685][ T3663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.432686][ T3663]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   85.432688][ T3663]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.432690][ T3663]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.432693][ T3663]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.432694][ T3663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.432696][ T3663]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.432697][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432699][ T3663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.432701][ T3663]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   85.432702][ T3663]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   85.432704][ T3663]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.432706][ T3663]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.432708][ T3663]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.432711][ T3663]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.432712][ T3663]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   85.432714][ T3663]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   85.432716][ T3663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.432717][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432719][ T3663]  _printk (kernel/printk/printk.c:2504)
[   85.432723][ T3663]  ? snapshot_read.cold (user.c:?)
[   85.432725][ T3663]  ? br_multicast_flood (??:?) bridge
[   85.432736][ T3663]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   85.432739][ T3663]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.432740][ T3663]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.432742][ T3663] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   85.432750][ T3663] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   85.432757][ T3663] new_nbp (net/bridge/br_if.c:449) bridge
[   85.432765][ T3663] br_add_if (net/bridge/br_if.c:592) bridge
[   85.432771][ T3663]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   85.432774][ T3663]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   85.432776][ T3663]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   85.432778][ T3663]  ? __kernel_text_address (kernel/extable.c:79)
[   85.432780][ T3663]  do_set_master (net/core/rtnetlink.c:3071)
[   85.432783][ T3663]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   85.432785][ T3663]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   85.432786][ T3663]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   85.432787][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432789][ T3663]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   85.432792][ T3663]  ? kasan_save_stack (mm/kasan/common.c:58)
[   85.432795][ T3663]  ? kasan_save_stack (mm/kasan/common.c:57)
[   85.432796][ T3663]  ? kasan_save_track (mm/kasan/common.c:78)
[   85.432798][ T3663]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   85.432799][ T3663]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   85.432801][ T3663]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   85.432802][ T3663]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.432803][ T3663]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.432805][ T3663]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.432807][ T3663]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.432808][ T3663]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   85.432811][ T3663]  ? ___sys_sendmsg (net/socket.c:2767)
[   85.432812][ T3663]  ? __sys_sendmsg (net/socket.c:2799)
[   85.432814][ T3663]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.432815][ T3663]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.432818][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432819][ T3663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.432821][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432822][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432824][ T3663]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   85.432827][ T3663]  ? __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)
[   85.432829][ T3663]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   85.432830][ T3663]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.432832][ T3663]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   85.432833][ T3663]  ? nla_get_range_signed (lib/nlattr.c:270)
[   85.432835][ T3663]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   85.432837][ T3663]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.432839][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432841][ T3663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.432842][ T3663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.432844][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432846][ T3663]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   85.432847][ T3663]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   85.432849][ T3663]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   85.432850][ T3663]  ? __kernel_text_address (kernel/extable.c:79)
[   85.432851][ T3663]  ? write_profile (profile.c:?)
[   85.432853][ T3663]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   85.432855][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432857][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432858][ T3663]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   85.432862][ T3663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.432863][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432865][ T3663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.432866][ T3663]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.432868][ T3663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.432869][ T3663]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   85.432870][ T3663]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   85.432873][ T3663]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.432874][ T3663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.432875][ T3663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.432877][ T3663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.432878][ T3663]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   85.432880][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432882][ T3663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.432884][ T3663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.432886][ T3663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.432887][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432889][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432891][ T3663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.432892][ T3663]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.432894][ T3663]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.432896][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432898][ T3663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.432900][ T3663]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   85.432901][ T3663]  ? copy_msghdr_from_user (net/socket.c:2650)
[   85.432903][ T3663]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   85.432904][ T3663]  ? move_addr_to_kernel (net/socket.c:258)
[   85.432906][ T3663]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   85.432908][ T3663]  ___sys_sendmsg (net/socket.c:2767)
[   85.432910][ T3663]  ? copy_msghdr_from_user (net/socket.c:2619)
[   85.432915][ T3663]  __sys_sendmsg (net/socket.c:2799)
[   85.432916][ T3663]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   85.432919][ T3663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.432921][ T3663]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.432922][ T3663]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.432924][ T3663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.432926][ T3663] RIP: 0033:0x7fce441c854e
[   85.432927][ T3663] 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
[   85.432929][ T3663] RSP: 002b:00007ffcf3cd9ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.432933][ T3663] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fce441c854e
[   85.432934][ T3663] RDX: 0000000000000000 RSI: 00007ffcf3cd9f90 RDI: 0000000000000005
[   85.432935][ T3663] RBP: 00007ffcf3cd9ef0 R08: 0000000000000000 R09: 0000000000000000
[   85.432936][ T3663] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af84
[   85.432937][ T3663] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf3cda650
| [  116.333982][ T4962] softirqs last disabled at (0): 0x0
| [  116.333984][ T4962] Preemption disabled at:
| [  116.333984][ T4962] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [  116.333996][ T4962] Tainted: [W]=WARN
[  116.333997][ T4962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.333998][ T4962] Call Trace:
[  116.334000][ T4962]  <TASK>
[  116.334001][ T4962]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  116.334006][ T4962]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[  116.334008][ T4962]  __might_resched.cold (kernel/sched/core.c:9234)
[  116.334012][ T4962]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  116.334015][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334021][ T4962]  __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))
[  116.334025][ T4962]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.334028][ T4962]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.334031][ T4962]  ? 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)
[  116.334033][ T4962]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.334035][ T4962]  put_chars (drivers/char/virtio_console.c:1176)
[  116.334037][ T4962]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  116.334039][ T4962]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  116.334042][ T4962]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  116.334044][ T4962]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  116.334047][ T4962]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  116.334049][ T4962]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.334050][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334052][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334054][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.334056][ T4962]  console_emit_next_record (kernel/printk/printk.c:3183)
[  116.334058][ T4962]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  116.334060][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334062][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334064][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334066][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.334068][ T4962]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  116.334069][ T4962]  console_flush_one_record (kernel/printk/printk.c:3268)
[  116.334071][ T4962]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  116.334074][ T4962]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  116.334076][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.334077][ T4962]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  116.334079][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334081][ T4962]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.334082][ T4962]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  116.334083][ T4962]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  116.334086][ T4962]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  116.334087][ T4962]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  116.334089][ T4962]  vprintk_emit (kernel/printk/printk.c:2479)
[  116.334092][ T4962]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  116.334094][ T4962]  _printk (kernel/printk/printk.c:2504)
[  116.334097][ T4962]  ? snapshot_read.cold (user.c:?)
[  116.334099][ T4962]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  116.334102][ T4962]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  116.334104][ T4962]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  116.334106][ T4962]  ? netdev_notice (net/core/dev.c:13194)
[  116.334107][ T4962]  ? kasan_save_track (mm/kasan/common.c:78)
[  116.334110][ T4962]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  116.334112][ T4962]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[  116.334114][ T4962]  ? 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)
[  116.334117][ T4962]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  116.334119][ T4962]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  116.334123][ T4962]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[  116.334124][ T4962]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[  116.334127][ T4962]  ? __nla_parse (lib/nlattr.c:732)
[  116.334130][ T4962]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[  116.334132][ T4962]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.334133][ T4962]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  116.334135][ T4962]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[  116.334136][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334137][ T4962]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  116.334140][ T4962]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  116.334143][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334144][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334146][ T4962]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  116.334149][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.334151][ T4962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  116.334153][ T4962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.334154][ T4962]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  116.334157][ T4962]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  116.334160][ T4962]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  116.334163][ T4962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.334164][ T4962]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.334165][ T4962]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  116.334167][ T4962]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  116.334169][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334171][ T4962]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.334173][ T4962]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.334175][ T4962]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  116.334176][ T4962]  ? next_uptodate_folio (mm/filemap.c:3747)
[  116.334179][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334181][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334182][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334184][ T4962]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  116.334186][ T4962]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  116.334188][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334190][ T4962]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.334192][ T4962]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  116.334194][ T4962]  ? copy_msghdr_from_user (net/socket.c:2650)
[  116.334196][ T4962]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  116.334197][ T4962]  ? move_addr_to_kernel (net/socket.c:258)
[  116.334200][ T4962]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  116.334203][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.334204][ T4962]  ___sys_sendmsg (net/socket.c:2767)
[  116.334206][ T4962]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  116.334208][ T4962]  ? copy_msghdr_from_user (net/socket.c:2619)
[  116.334210][ T4962]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  116.334214][ T4962]  __sys_sendmsg (net/socket.c:2799)
[  116.334216][ T4962]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  116.334219][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334221][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.334223][ T4962]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.334226][ T4962]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  116.334228][ T4962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.334229][ T4962] RIP: 0033:0x7f2ce29ea54e
[  116.334231][ T4962] 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
[  116.334233][ T4962] RSP: 002b:00007ffcf0941490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  116.334236][ T4962] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ce29ea54e
[  116.334238][ T4962] RDX: 0000000000000000 RSI: 00007ffcf0941540 RDI: 0000000000000005
[  116.334239][ T4962] RBP: 00007ffcf09414a0 R08: 0000000000000000 R09: 0000000000000000
[  116.334239][ T4962] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afa4
[  116.334240][ T4962] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  131.223332][ T5889] softirqs last disabled at (0): 0x0
| [  131.223333][ T5889] Preemption disabled at:
| [  131.223334][ T5889] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  131.223345][ T5889] Tainted: [W]=WARN
[  131.223346][ T5889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  131.223347][ T5889] Call Trace:
[  131.223348][ T5889]  <TASK>
[  131.223350][ T5889]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  131.223355][ T5889]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  131.223356][ T5889]  __might_resched.cold (kernel/sched/core.c:9234)
[  131.223360][ T5889]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  131.223363][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223367][ T5889]  __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))
[  131.223371][ T5889]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  131.223374][ T5889]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.223377][ T5889]  ? 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)
[  131.223379][ T5889]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.223381][ T5889]  put_chars (drivers/char/virtio_console.c:1176)
[  131.223383][ T5889]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  131.223384][ T5889]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  131.223388][ T5889]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  131.223391][ T5889]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  131.223392][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223394][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223395][ T5889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.223397][ T5889]  console_emit_next_record (kernel/printk/printk.c:3183)
[  131.223400][ T5889]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  131.223402][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223404][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223405][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223407][ T5889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.223409][ T5889]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  131.223410][ T5889]  console_flush_one_record (kernel/printk/printk.c:3268)
[  131.223412][ T5889]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  131.223415][ T5889]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  131.223417][ T5889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.223418][ T5889]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  131.223420][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223421][ T5889]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.223423][ T5889]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  131.223424][ T5889]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  131.223426][ T5889]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  131.223428][ T5889]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  131.223430][ T5889]  vprintk_emit (kernel/printk/printk.c:2479)
[  131.223432][ T5889]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  131.223434][ T5889]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  131.223437][ T5889]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  131.223438][ T5889]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  131.223440][ T5889]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  131.223441][ T5889]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  131.223443][ T5889]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  131.223445][ T5889]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  131.223446][ T5889]  _printk (kernel/printk/printk.c:2504)
[  131.223450][ T5889]  ? snapshot_read.cold (user.c:?)
[  131.223452][ T5889]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  131.223454][ T5889]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  131.223456][ T5889]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  131.223458][ T5889]  ? netdev_notice (net/core/dev.c:13194)
[  131.223460][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223461][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223463][ T5889]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  131.223465][ T5889]  ? 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)
[  131.223467][ T5889]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  131.223468][ T5889]  ? 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)
[  131.223471][ T5889]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  131.223474][ T5889]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  131.223477][ T5889]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  131.223478][ T5889]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  131.223480][ T5889]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.223481][ T5889]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  131.223483][ T5889]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  131.223484][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223485][ T5889]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  131.223488][ T5889]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  131.223490][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223492][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223494][ T5889]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  131.223497][ T5889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.223499][ T5889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  131.223501][ T5889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.223502][ T5889]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  131.223505][ T5889]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  131.223508][ T5889]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  131.223510][ T5889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.223511][ T5889]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.223513][ T5889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  131.223514][ T5889]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  131.223516][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223518][ T5889]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.223520][ T5889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  131.223522][ T5889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  131.223523][ T5889]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  131.223526][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223527][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223529][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223530][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223532][ T5889]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  131.223534][ T5889]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  131.223536][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223538][ T5889]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.223540][ T5889]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  131.223542][ T5889]  ? copy_msghdr_from_user (net/socket.c:2650)
[  131.223544][ T5889]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  131.223545][ T5889]  ? move_addr_to_kernel (net/socket.c:258)
[  131.223547][ T5889]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  131.223550][ T5889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.223552][ T5889]  ___sys_sendmsg (net/socket.c:2767)
[  131.223553][ T5889]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  131.223556][ T5889]  ? copy_msghdr_from_user (net/socket.c:2619)
[  131.223557][ T5889]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  131.223562][ T5889]  __sys_sendmsg (net/socket.c:2799)
[  131.223564][ T5889]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  131.223566][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223568][ T5889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.223570][ T5889]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  131.223573][ T5889]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  131.223575][ T5889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.223576][ T5889] RIP: 0033:0x7f4d8bef654e
[  131.223578][ T5889] 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
[  131.223580][ T5889] RSP: 002b:00007ffda6e0a660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  131.223583][ T5889] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d8bef654e
[  131.223585][ T5889] RDX: 0000000000000000 RSI: 00007ffda6e0a710 RDI: 0000000000000005
[  131.223586][ T5889] RBP: 00007ffda6e0a670 R08: 0000000000000000 R09: 0000000000000000
[  131.223586][ T5889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afb3
[  131.223587][ T5889] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  146.108012][ T6822] softirqs last disabled at (0): 0x0
| [  146.108014][ T6822] Preemption disabled at:
| [  146.108014][ T6822] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  146.108027][ T6822] Tainted: [W]=WARN
[  146.108028][ T6822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  146.108030][ T6822] Call Trace:
[  146.108031][ T6822]  <TASK>
[  146.108032][ T6822]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  146.108037][ T6822]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  146.108039][ T6822]  __might_resched.cold (kernel/sched/core.c:9234)
[  146.108042][ T6822]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  146.108045][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108049][ T6822]  __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))
[  146.108053][ T6822]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  146.108055][ T6822]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.108059][ T6822]  ? 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)
[  146.108061][ T6822]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.108063][ T6822]  put_chars (drivers/char/virtio_console.c:1176)
[  146.108065][ T6822]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  146.108066][ T6822]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  146.108069][ T6822]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  146.108073][ T6822]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  146.108074][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108076][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108077][ T6822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.108079][ T6822]  console_emit_next_record (kernel/printk/printk.c:3183)
[  146.108082][ T6822]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  146.108084][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108085][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108087][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108089][ T6822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.108090][ T6822]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  146.108092][ T6822]  console_flush_one_record (kernel/printk/printk.c:3268)
[  146.108094][ T6822]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  146.108097][ T6822]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  146.108098][ T6822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.108100][ T6822]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  146.108101][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108103][ T6822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  146.108104][ T6822]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  146.108106][ T6822]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  146.108108][ T6822]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  146.108110][ T6822]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  146.108112][ T6822]  vprintk_emit (kernel/printk/printk.c:2479)
[  146.108114][ T6822]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  146.108116][ T6822]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  146.108118][ T6822]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  146.108120][ T6822]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  146.108122][ T6822]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  146.108123][ T6822]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  146.108125][ T6822]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  146.108127][ T6822]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  146.108128][ T6822]  _printk (kernel/printk/printk.c:2504)
[  146.108131][ T6822]  ? snapshot_read.cold (user.c:?)
[  146.108134][ T6822]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  146.108136][ T6822]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  146.108138][ T6822]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  146.108140][ T6822]  ? netdev_notice (net/core/dev.c:13194)
[  146.108142][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108143][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108145][ T6822]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  146.108147][ T6822]  ? 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)
[  146.108149][ T6822]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  146.108150][ T6822]  ? 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)
[  146.108153][ T6822]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  146.108156][ T6822]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  146.108159][ T6822]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  146.108160][ T6822]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  146.108162][ T6822]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  146.108164][ T6822]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  146.108165][ T6822]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  146.108166][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108168][ T6822]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  146.108170][ T6822]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  146.108173][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108174][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108176][ T6822]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  146.108179][ T6822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.108181][ T6822]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  146.108183][ T6822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  146.108184][ T6822]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  146.108186][ T6822]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  146.108190][ T6822]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  146.108192][ T6822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  146.108193][ T6822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  146.108194][ T6822]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  146.108196][ T6822]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  146.108198][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108200][ T6822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  146.108202][ T6822]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  146.108203][ T6822]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  146.108205][ T6822]  ? next_uptodate_folio (mm/filemap.c:3747)
[  146.108208][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108209][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108211][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108213][ T6822]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  146.108215][ T6822]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  146.108216][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108218][ T6822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  146.108220][ T6822]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  146.108222][ T6822]  ? copy_msghdr_from_user (net/socket.c:2650)
[  146.108224][ T6822]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  146.108225][ T6822]  ? move_addr_to_kernel (net/socket.c:258)
[  146.108227][ T6822]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  146.108230][ T6822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.108232][ T6822]  ___sys_sendmsg (net/socket.c:2767)
[  146.108233][ T6822]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  146.108236][ T6822]  ? copy_msghdr_from_user (net/socket.c:2619)
[  146.108237][ T6822]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  146.108242][ T6822]  __sys_sendmsg (net/socket.c:2799)
[  146.108244][ T6822]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  146.108246][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108248][ T6822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.108250][ T6822]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  146.108253][ T6822]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  146.108255][ T6822]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  146.108256][ T6822] RIP: 0033:0x7f2a3b35a54e
[  146.108258][ T6822] 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
[  146.108260][ T6822] RSP: 002b:00007ffe8abeee20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  146.108263][ T6822] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a3b35a54e
[  146.108265][ T6822] RDX: 0000000000000000 RSI: 00007ffe8abeeed0 RDI: 0000000000000005
[  146.108266][ T6822] RBP: 00007ffe8abeee30 R08: 0000000000000000 R09: 0000000000000000
[  146.108266][ T6822] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afc2
[  146.108267][ T6822] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  151.540502][ T6851] softirqs last disabled at (0): 0x0
| [  151.540504][ T6851] Preemption disabled at:
| [  151.540505][ T6851] vprintk_emit (kernel/printk/printk.c:2471)
| [  151.540516][ T6851] Tainted: [W]=WARN
[  151.540517][ T6851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.540519][ T6851] Call Trace:
[  151.540520][ T6851]  <TASK>
[  151.540521][ T6851]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  151.540527][ T6851]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  151.540529][ T6851]  __might_resched.cold (kernel/sched/core.c:9234)
[  151.540532][ T6851]  ? __module_address (kernel/module/main.c:3915)
[  151.540536][ T6851]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  151.540539][ T6851]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  151.540540][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540543][ T6851]  __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))
[  151.540547][ T6851]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.540549][ T6851]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.540553][ T6851]  ? 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)
[  151.540555][ T6851]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.540557][ T6851]  put_chars (drivers/char/virtio_console.c:1176)
[  151.540558][ T6851]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  151.540560][ T6851]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  151.540561][ T6851]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  151.540564][ T6851]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  151.540568][ T6851]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  151.540569][ T6851]  ? 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)
[  151.540571][ T6851]  ? vsnprintf (lib/vsprintf.c:2900)
[  151.540574][ T6851]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.540576][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540578][ T6851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.540580][ T6851]  console_emit_next_record (kernel/printk/printk.c:3183)
[  151.540582][ T6851]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  151.540584][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540586][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540587][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540589][ T6851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.540591][ T6851]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  151.540593][ T6851]  console_flush_one_record (kernel/printk/printk.c:3268)
[  151.540595][ T6851]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  151.540598][ T6851]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  151.540599][ T6851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.540601][ T6851]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  151.540603][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540604][ T6851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.540606][ T6851]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  151.540607][ T6851]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  151.540609][ T6851]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  151.540611][ T6851]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  151.540613][ T6851]  vprintk_emit (kernel/printk/printk.c:2479)
[  151.540616][ T6851]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  151.540618][ T6851]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.540619][ T6851]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.540621][ T6851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.540623][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540625][ T6851]  _printk (kernel/printk/printk.c:2504)
[  151.540628][ T6851]  ? snapshot_read.cold (user.c:?)
[  151.540630][ T6851]  ? br_multicast_flood (??:?) bridge
[  151.540642][ T6851]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  151.540645][ T6851]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  151.540646][ T6851]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.540648][ T6851] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  151.540657][ T6851] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  151.540664][ T6851] new_nbp (net/bridge/br_if.c:449) bridge
[  151.540672][ T6851] br_add_if (net/bridge/br_if.c:592) bridge
[  151.540679][ T6851]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[  151.540682][ T6851]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  151.540684][ T6851]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.540687][ T6851]  ? __kernel_text_address (kernel/extable.c:79)
[  151.540688][ T6851]  do_set_master (net/core/rtnetlink.c:3071)
[  151.540691][ T6851]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  151.540693][ T6851]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  151.540694][ T6851]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  151.540696][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540697][ T6851]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  151.540701][ T6851]  ? kasan_save_stack (mm/kasan/common.c:58)
[  151.540704][ T6851]  ? kasan_save_stack (mm/kasan/common.c:57)
[  151.540705][ T6851]  ? kasan_save_track (mm/kasan/common.c:78)
[  151.540707][ T6851]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  151.540708][ T6851]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  151.540710][ T6851]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  151.540711][ T6851]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.540712][ T6851]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.540714][ T6851]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.540716][ T6851]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.540717][ T6851]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  151.540720][ T6851]  ? ___sys_sendmsg (net/socket.c:2767)
[  151.540722][ T6851]  ? __sys_sendmsg (net/socket.c:2799)
[  151.540723][ T6851]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.540725][ T6851]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.540728][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540729][ T6851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.540731][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540732][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540741][ T6851]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  151.540744][ T6851]  ? __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)
[  151.540746][ T6851]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  151.540748][ T6851]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  151.540749][ T6851]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  151.540751][ T6851]  ? nla_get_range_signed (lib/nlattr.c:270)
[  151.540753][ T6851]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  151.540755][ T6851]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  151.540757][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540759][ T6851]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.540760][ T6851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.540761][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540764][ T6851]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  151.540765][ T6851]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  151.540767][ T6851]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.540769][ T6851]  ? __kernel_text_address (kernel/extable.c:79)
[  151.540770][ T6851]  ? write_profile (profile.c:?)
[  151.540771][ T6851]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  151.540774][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540775][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540777][ T6851]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  151.540780][ T6851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.540782][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540784][ T6851]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.540785][ T6851]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.540787][ T6851]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.540788][ T6851]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.540790][ T6851]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  151.540792][ T6851]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.540794][ T6851]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.540795][ T6851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.540796][ T6851]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  151.540798][ T6851]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  151.540800][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540802][ T6851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.540804][ T6851]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.540806][ T6851]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  151.540808][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540809][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540811][ T6851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.540813][ T6851]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.540815][ T6851]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  151.540817][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540818][ T6851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.540820][ T6851]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  151.540822][ T6851]  ? copy_msghdr_from_user (net/socket.c:2650)
[  151.540824][ T6851]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  151.540825][ T6851]  ? move_addr_to_kernel (net/socket.c:258)
[  151.540827][ T6851]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.540829][ T6851]  ___sys_sendmsg (net/socket.c:2767)
[  151.540831][ T6851]  ? copy_msghdr_from_user (net/socket.c:2619)
[  151.540836][ T6851]  __sys_sendmsg (net/socket.c:2799)
[  151.540838][ T6851]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  151.540840][ T6851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.540842][ T6851]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.540844][ T6851]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  151.540846][ T6851]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.540847][ T6851] RIP: 0033:0x7f519fbc754e
[  151.540849][ T6851] 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
[  151.540851][ T6851] RSP: 002b:00007ffd48f483c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  151.540855][ T6851] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f519fbc754e
[  151.540857][ T6851] RDX: 0000000000000000 RSI: 00007ffd48f48470 RDI: 0000000000000005
[  151.540858][ T6851] RBP: 00007ffd48f483d0 R08: 0000000000000000 R09: 0000000000000000
[  151.540858][ T6851] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afc6
[  151.540859][ T6851] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd48f48b30
| [  337.807733][T10128] softirqs last disabled at (0): 0x0
| [  337.807735][T10128] Preemption disabled at:
| [  337.807735][T10128] vprintk_emit (kernel/printk/printk.c:2471)
| [  337.807746][T10128] Tainted: [W]=WARN
[  337.807747][T10128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  337.807749][T10128] Call Trace:
[  337.807750][T10128]  <TASK>
[  337.807752][T10128]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  337.807757][T10128]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  337.807758][T10128]  __might_resched.cold (kernel/sched/core.c:9234)
[  337.807762][T10128]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  337.807765][T10128]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  337.807768][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807772][T10128]  __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))
[  337.807775][T10128]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  337.807777][T10128]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  337.807781][T10128]  ? 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)
[  337.807783][T10128]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  337.807785][T10128]  put_chars (drivers/char/virtio_console.c:1176)
[  337.807787][T10128]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  337.807789][T10128]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  337.807791][T10128]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  337.807795][T10128]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  337.807796][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807798][T10128]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.807800][T10128]  console_emit_next_record (kernel/printk/printk.c:3183)
[  337.807802][T10128]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  337.807804][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807806][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807807][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807809][T10128]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.807811][T10128]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  337.807812][T10128]  console_flush_one_record (kernel/printk/printk.c:3268)
[  337.807815][T10128]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  337.807817][T10128]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  337.807819][T10128]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.807820][T10128]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  337.807822][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807823][T10128]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  337.807825][T10128]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  337.807826][T10128]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  337.807828][T10128]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  337.807830][T10128]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  337.807832][T10128]  vprintk_emit (kernel/printk/printk.c:2479)
[  337.807834][T10128]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  337.807836][T10128]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  337.807839][T10128]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  337.807842][T10128]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  337.807843][T10128]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  337.807845][T10128]  ? ___sys_sendmsg (net/socket.c:2767)
[  337.807847][T10128]  ? __sys_sendmsg (net/socket.c:2799)
[  337.807848][T10128]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  337.807852][T10128]  _printk (kernel/printk/printk.c:2504)
[  337.807855][T10128]  ? snapshot_read.cold (user.c:?)
[  337.807857][T10128]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  337.807859][T10128]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  337.807861][T10128]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  337.807863][T10128]  ? netdev_notice (net/core/dev.c:13194)
[  337.807865][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807866][T10128]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  337.807868][T10128]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  337.807870][T10128]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  337.807872][T10128]  ? 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)
[  337.807874][T10128]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  337.807877][T10128]  dev_set_allmulti (net/core/dev_api.c:315)
[  337.807880][T10128] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  337.807892][T10128]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  337.807895][T10128]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  337.807898][T10128] br_del_if (net/bridge/br_if.c:732) bridge
[  337.807905][T10128]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  337.807907][T10128]  do_set_master (net/core/rtnetlink.c:3055)
[  337.807909][T10128]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  337.807912][T10128]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  337.807914][T10128]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  337.807915][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807917][T10128]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  337.807921][T10128]  ? kasan_save_stack (mm/kasan/common.c:58)
[  337.807923][T10128]  ? kasan_save_stack (mm/kasan/common.c:57)
[  337.807925][T10128]  ? kasan_save_track (mm/kasan/common.c:78)
[  337.807926][T10128]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  337.807927][T10128]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  337.807929][T10128]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  337.807930][T10128]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  337.807931][T10128]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  337.807932][T10128]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  337.807933][T10128]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  337.807935][T10128]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  337.807936][T10128]  ? ___sys_sendmsg (net/socket.c:2767)
[  337.807937][T10128]  ? __sys_sendmsg (net/socket.c:2799)
[  337.807939][T10128]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  337.807940][T10128]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  337.807942][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807944][T10128]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.807945][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807947][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807949][T10128]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  337.807951][T10128]  ? __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)
[  337.807953][T10128]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  337.807954][T10128]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  337.807956][T10128]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  337.807957][T10128]  ? nla_get_range_signed (lib/nlattr.c:270)
[  337.807959][T10128]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  337.807961][T10128]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  337.807963][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807965][T10128]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  337.807966][T10128]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.807967][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807969][T10128]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  337.807971][T10128]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  337.807973][T10128]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  337.807974][T10128]  ? __kernel_text_address (kernel/extable.c:79)
[  337.807975][T10128]  ? write_profile (profile.c:?)
[  337.807976][T10128]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  337.807979][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807980][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807982][T10128]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  337.807985][T10128]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.807987][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.807988][T10128]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  337.807990][T10128]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  337.807991][T10128]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  337.807993][T10128]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  337.807994][T10128]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  337.807996][T10128]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  337.807998][T10128]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  337.807999][T10128]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  337.808000][T10128]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  337.808002][T10128]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  337.808004][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.808006][T10128]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  337.808008][T10128]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  337.808010][T10128]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  337.808011][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.808013][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.808014][T10128]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.808016][T10128]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  337.808018][T10128]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  337.808022][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.808024][T10128]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  337.808026][T10128]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  337.808027][T10128]  ? copy_msghdr_from_user (net/socket.c:2650)
[  337.808029][T10128]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  337.808030][T10128]  ? move_addr_to_kernel (net/socket.c:258)
[  337.808032][T10128]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  337.808034][T10128]  ___sys_sendmsg (net/socket.c:2767)
[  337.808036][T10128]  ? copy_msghdr_from_user (net/socket.c:2619)
[  337.808041][T10128]  __sys_sendmsg (net/socket.c:2799)
[  337.808042][T10128]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  337.808045][T10128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.808047][T10128]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  337.808048][T10128]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  337.808051][T10128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  337.808052][T10128] RIP: 0033:0x7f6bda7e354e
[  337.808054][T10128] 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
[  337.808056][T10128] RSP: 002b:00007fff6a72b290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  337.808059][T10128] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6bda7e354e
[  337.808061][T10128] RDX: 0000000000000000 RSI: 00007fff6a72b340 RDI: 0000000000000005
[  337.808062][T10128] RBP: 00007fff6a72b2a0 R08: 0000000000000000 R09: 0000000000000000
[  337.808063][T10128] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b081
[  337.808063][T10128] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6a72ba00
| [  342.946395][T10134] softirqs last disabled at (0): 0x0
| [  342.946397][T10134] Preemption disabled at:
| [  342.946398][T10134] vprintk_emit (kernel/printk/printk.c:2471)
| [  342.946409][T10134] Tainted: [W]=WARN
[  342.946409][T10134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  342.946411][T10134] Call Trace:
[  342.946413][T10134]  <TASK>
[  342.946414][T10134]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  342.946420][T10134]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  342.946422][T10134]  __might_resched.cold (kernel/sched/core.c:9234)
[  342.946425][T10134]  ? __module_address (kernel/module/main.c:3915)
[  342.946429][T10134]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  342.946432][T10134]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  342.946434][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946437][T10134]  __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))
[  342.946440][T10134]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  342.946443][T10134]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  342.946447][T10134]  ? 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)
[  342.946448][T10134]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  342.946450][T10134]  put_chars (drivers/char/virtio_console.c:1176)
[  342.946452][T10134]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  342.946453][T10134]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  342.946455][T10134]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  342.946457][T10134]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  342.946461][T10134]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  342.946462][T10134]  ? 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)
[  342.946464][T10134]  ? vsnprintf (lib/vsprintf.c:2900)
[  342.946467][T10134]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  342.946468][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946470][T10134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.946472][T10134]  console_emit_next_record (kernel/printk/printk.c:3183)
[  342.946475][T10134]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  342.946477][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946478][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946480][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946482][T10134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.946483][T10134]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  342.946485][T10134]  console_flush_one_record (kernel/printk/printk.c:3268)
[  342.946487][T10134]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  342.946490][T10134]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  342.946492][T10134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.946493][T10134]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  342.946495][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946497][T10134]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  342.946498][T10134]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  342.946499][T10134]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  342.946501][T10134]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  342.946503][T10134]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  342.946505][T10134]  vprintk_emit (kernel/printk/printk.c:2479)
[  342.946508][T10134]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  342.946510][T10134]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  342.946511][T10134]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  342.946513][T10134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.946514][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946517][T10134]  _printk (kernel/printk/printk.c:2504)
[  342.946520][T10134]  ? snapshot_read.cold (user.c:?)
[  342.946522][T10134]  ? br_multicast_flood (??:?) bridge
[  342.946534][T10134]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  342.946537][T10134]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  342.946538][T10134]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  342.946540][T10134] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  342.946548][T10134] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  342.946556][T10134] new_nbp (net/bridge/br_if.c:449) bridge
[  342.946564][T10134] br_add_if (net/bridge/br_if.c:592) bridge
[  342.946570][T10134]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[  342.946574][T10134]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  342.946576][T10134]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  342.946578][T10134]  ? __kernel_text_address (kernel/extable.c:79)
[  342.946580][T10134]  do_set_master (net/core/rtnetlink.c:3071)
[  342.946583][T10134]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  342.946584][T10134]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  342.946586][T10134]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  342.946587][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946588][T10134]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  342.946592][T10134]  ? kasan_save_stack (mm/kasan/common.c:58)
[  342.946595][T10134]  ? kasan_save_stack (mm/kasan/common.c:57)
[  342.946596][T10134]  ? kasan_save_track (mm/kasan/common.c:78)
[  342.946598][T10134]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  342.946599][T10134]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  342.946601][T10134]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  342.946602][T10134]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  342.946603][T10134]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  342.946605][T10134]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  342.946607][T10134]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  342.946608][T10134]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  342.946610][T10134]  ? ___sys_sendmsg (net/socket.c:2767)
[  342.946612][T10134]  ? __sys_sendmsg (net/socket.c:2799)
[  342.946614][T10134]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  342.946615][T10134]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  342.946618][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946619][T10134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.946621][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946622][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946624][T10134]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  342.946627][T10134]  ? __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)
[  342.946629][T10134]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  342.946630][T10134]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  342.946632][T10134]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  342.946633][T10134]  ? nla_get_range_signed (lib/nlattr.c:270)
[  342.946635][T10134]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  342.946637][T10134]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  342.946639][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946641][T10134]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  342.946642][T10134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.946644][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946646][T10134]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  342.946648][T10134]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  342.946649][T10134]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  342.946651][T10134]  ? __kernel_text_address (kernel/extable.c:79)
[  342.946652][T10134]  ? write_profile (profile.c:?)
[  342.946653][T10134]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  342.946655][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946657][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946659][T10134]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  342.946662][T10134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.946663][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946665][T10134]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  342.946666][T10134]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  342.946668][T10134]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  342.946669][T10134]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  342.946671][T10134]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  342.946673][T10134]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  342.946674][T10134]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  342.946676][T10134]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  342.946677][T10134]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  342.946679][T10134]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  342.946681][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946683][T10134]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  342.946685][T10134]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  342.946686][T10134]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  342.946688][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946690][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946691][T10134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.946693][T10134]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  342.946695][T10134]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  342.946697][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946699][T10134]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  342.946700][T10134]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  342.946702][T10134]  ? copy_msghdr_from_user (net/socket.c:2650)
[  342.946704][T10134]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  342.946705][T10134]  ? move_addr_to_kernel (net/socket.c:258)
[  342.946706][T10134]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  342.946709][T10134]  ___sys_sendmsg (net/socket.c:2767)
[  342.946711][T10134]  ? copy_msghdr_from_user (net/socket.c:2619)
[  342.946715][T10134]  __sys_sendmsg (net/socket.c:2799)
[  342.946717][T10134]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  342.946720][T10134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.946722][T10134]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  342.946723][T10134]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  342.946725][T10134]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  342.946727][T10134] RIP: 0033:0x7f680880a54e
[  342.946729][T10134] 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
[  342.946731][T10134] RSP: 002b:00007fff91259330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  342.946734][T10134] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f680880a54e
[  342.946736][T10134] RDX: 0000000000000000 RSI: 00007fff912593e0 RDI: 0000000000000005
[  342.946736][T10134] RBP: 00007fff91259340 R08: 0000000000000000 R09: 0000000000000000
[  342.946737][T10134] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b086
[  342.946738][T10134] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff91259aa0
| [  378.297347][   T71] softirqs last disabled at (56720): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  378.297350][   T71] Preemption disabled at:
| [  378.297351][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  378.297362][   T71] Tainted: [W]=WARN
[  378.297363][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  378.297365][   T71] Workqueue: netns cleanup_net
[  378.297378][   T71] Call Trace:
[  378.297379][   T71]  <TASK>
[  378.297381][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  378.297386][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  378.297388][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  378.297392][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  378.297395][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297399][   T71]  __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))
[  378.297403][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  378.297405][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  378.297409][   T71]  ? 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)
[  378.297410][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  378.297412][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  378.297414][   T71]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  378.297416][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  378.297418][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  378.297420][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  378.297424][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  378.297425][   T71]  ? 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)
[  378.297427][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  378.297428][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297430][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297431][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.297433][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  378.297436][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  378.297438][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297440][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297441][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297443][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.297445][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  378.297446][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  378.297449][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  378.297451][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  378.297453][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.297455][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  378.297456][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297458][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  378.297459][   T71]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  378.297461][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  378.297463][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  378.297464][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  378.297466][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  378.297469][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  378.297470][   T71]  ? process_one_work (kernel/workqueue.c:3387)
[  378.297473][   T71]  ? kthread (kernel/kthread.c:436)
[  378.297475][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  378.297478][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  378.297480][   T71]  _printk (kernel/printk/printk.c:2504)
[  378.297483][   T71]  ? snapshot_read.cold (user.c:?)
[  378.297485][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  378.297488][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  378.297490][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  378.297492][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  378.297493][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297495][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  378.297497][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  378.297499][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  378.297501][   T71]  ? 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)
[  378.297504][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  378.297507][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  378.297509][   T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  378.297523][   T71] br_dev_delete (net/bridge/br_if.c:387) bridge
[  378.297531][   T71] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  378.297538][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  378.297540][   T71]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  378.297542][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  378.297545][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  378.297547][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  378.297549][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.297551][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.297553][   T71]  process_one_work (kernel/workqueue.c:3387)
[  378.297555][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  378.297558][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  378.297560][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  378.297562][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  378.297564][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  378.297566][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  378.297569][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  378.297570][   T71]  kthread (kernel/kthread.c:436)
[  378.297572][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  378.297573][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  378.297575][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  378.297577][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  378.297578][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  378.297581][   T71]  ? 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
dev_uc_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_uc_add_excl:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars