======================================
| [   10.052801][  T221] softirqs last disabled at (18425): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.052804][  T221] Preemption disabled at:
| [   10.052804][  T221] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.052813][  T221] Tainted: [W]=WARN
[   10.052814][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.052816][  T221] Call Trace:
[   10.052817][  T221]  <TASK>
[   10.052819][  T221]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.052824][  T221]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.052827][  T221]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.052831][  T221]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.052835][  T221]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.052841][  T221]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.052843][  T221]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.052849][  T221]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.052851][  T221]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.052855][  T221]  put_chars (drivers/char/virtio_console.c:1176)
[   10.052857][  T221]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.052859][  T221]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.052863][  T221]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.052866][  T221]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.052870][  T221]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.052873][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.052878][  T221]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.052880][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.052885][  T221]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.052889][  T221]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.052891][  T221]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.052894][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.052897][  T221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.052901][  T221]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.052905][  T221]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.052906][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.052912][  T221]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.052914][  T221]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.052916][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.052919][  T221]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.052922][  T221]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.052924][  T221]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.052927][  T221]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.052931][  T221]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.052937][  T221]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.052941][  T221]  _printk (kernel/printk/printk.c:2504)
[   10.052944][  T221]  ? snapshot_read.cold (user.c:?)
[   10.052951][  T221]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.052954][  T221] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.052957][  T221]  do_one_initcall (init/main.c:1357)
[   10.052959][  T221]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.052964][  T221]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.052967][  T221]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.052972][  T221]  do_init_module (kernel/module/main.c:3117)
[   10.052975][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.052980][  T221]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.052985][  T221]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.052989][  T221]  load_module (kernel/module/main.c:3593)
[   10.052996][  T221]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.053000][  T221]  ? __ia32_sys_fsconfig (??:?)
[   10.053003][  T221]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.053007][  T221]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.053010][  T221]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.053014][  T221]  init_module_from_file (kernel/module/main.c:3790)
[   10.053017][  T221]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.053025][  T221]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.053029][  T221]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.053032][  T221]  idempotent_init_module (kernel/module/main.c:3802)
[   10.053035][  T221]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.053041][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.053044][  T221]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.053049][  T221]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.053052][  T221]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.053055][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.053057][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.053060][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.053062][  T221] RIP: 0033:0x7fde4b59e37d
[   10.053065][  T221] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.053067][  T221] RSP: 002b:00007ffc936b3928 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.053070][  T221] RAX: ffffffffffffffda RBX: 000055b3836ed810 RCX: 00007fde4b59e37d
[   10.053071][  T221] RDX: 0000000000000000 RSI: 000055b37a23affd RDI: 0000000000000000
[   10.053072][  T221] RBP: 00007ffc936b39c0 R08: 0000000000000000 R09: 0000000000000000
[   10.053073][  T221] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b37a23affd
[   10.053074][  T221] R13: 000055b3836ed960 R14: 0000000000040000 R15: 0000000000000000
| [   11.052303][  T258] softirqs last disabled at (15502): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.052305][  T258] Preemption disabled at:
| [   11.052306][  T258] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.052315][  T258] Tainted: [W]=WARN
[   11.052316][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.052318][  T258] Call Trace:
[   11.052319][  T258]  <TASK>
[   11.052321][  T258]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.052327][  T258]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.052329][  T258]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.052334][  T258]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.052338][  T258]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.052343][  T258]  __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))
[   11.052345][  T258]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.052351][  T258]  ? 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)
[   11.052354][  T258]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.052357][  T258]  put_chars (drivers/char/virtio_console.c:1176)
[   11.052358][  T258]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   11.052360][  T258]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.052363][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.052368][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.052370][  T258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.052374][  T258]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.052376][  T258]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.052378][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.052380][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.052384][  T258]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.052386][  T258]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.052389][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.052392][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.052395][  T258]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.052399][  T258]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.052401][  T258]  ? 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))
[   11.052404][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.052406][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.052410][  T258]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.052414][  T258]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.052416][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.052421][  T258]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.052424][  T258]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.052426][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.052428][  T258]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.052432][  T258]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.052434][  T258]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.052437][  T258]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.052441][  T258]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.052447][  T258]  _printk (kernel/printk/printk.c:2504)
[   11.052450][  T258]  ? snapshot_read.cold (user.c:?)
[   11.052454][  T258]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.052458][  T258]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.052461][  T258]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.052464][  T258]  ? netdev_notice (net/core/dev.c:13194)
[   11.052466][  T258]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:70 (discriminator 1))
[   11.052474][  T258]  ? netdev_wait_allrefs_any (net/core/dev.c:11702)
[   11.052480][  T258]  ? 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)
[   11.052484][  T258]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   11.052488][  T258]  netif_set_promiscuity (net/core/dev.c:9699)
[   11.052491][  T258]  dev_set_promiscuity (net/core/dev_api.c:288)
[   11.052494][  T258] br_port_set_promisc (net/bridge/br_if.c:109) bridge
[   11.052508][  T258] br_manage_promisc (net/bridge/br_if.c:175) bridge
[   11.052516][  T258]  ? netdev_is_rx_handler_busy (net/core/dev.c:5939 (discriminator 4))
[   11.052521][  T258] br_add_if (net/bridge/br_if.c:243 net/bridge/br_if.c:633) bridge
[   11.052533][  T258]  do_set_master (net/core/rtnetlink.c:3071)
[   11.052537][  T258]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.052541][  T258]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.052544][  T258]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.052545][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.052547][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.052551][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.052553][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.052555][  T258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.052558][  T258]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.052561][  T258]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.052562][  T258]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.052565][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.052567][  T258]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.052570][  T258]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.052574][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.052576][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.052579][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.052581][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.052583][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.052585][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.052587][  T258]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.052590][  T258]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.052593][  T258]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.052595][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.052598][  T258]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.052600][  T258]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.052605][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.052610][  T258]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.052615][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.052617][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.052622][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.052624][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.052626][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.052628][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.052631][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.052633][  T258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.052636][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.052638][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.052642][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.052644][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.052647][  T258]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.052649][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.052652][  T258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.052658][  T258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.052660][  T258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.052664][  T258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.052668][  T258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.052671][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.052675][  T258]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.052679][  T258]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.052683][  T258]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.052688][  T258]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.052690][  T258]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.052693][  T258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.052694][  T258]  ? move_addr_to_kernel (net/socket.c:258)
[   11.052702][  T258]  ___sys_sendmsg (net/socket.c:2767)
[   11.052705][  T258]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.052720][  T258]  __sys_sendmsg (net/socket.c:2799)
[   11.052723][  T258]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.052729][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.052733][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.052735][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.052739][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.052741][  T258] RIP: 0033:0x7f33057ba54e
[   11.052744][  T258] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.052746][  T258] RSP: 002b:00007ffe6be62660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.052749][  T258] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f33057ba54e
[   11.052750][  T258] RDX: 0000000000000000 RSI: 00007ffe6be62710 RDI: 0000000000000005
[   11.052751][  T258] RBP: 00007ffe6be62670 R08: 0000000000000000 R09: 0000000000000000
[   11.052752][  T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126bd
[   11.052753][  T258] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6be62dd0
| [   17.947251][  T339] softirqs last disabled at (15880): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   17.947260][  T339] Preemption disabled at:
| [   17.947260][  T339] 0x0
| [   17.947271][  T339] Tainted: [W]=WARN
[   17.947272][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.947273][  T339] Call Trace:
[   17.947275][  T339]  <TASK>
[   17.947277][  T339]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.947283][  T339]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.947288][  T339]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.947292][  T339]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.947302][  T339]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.947305][  T339]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.947311][  T339]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.947313][  T339]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.947317][  T339]  put_chars (drivers/char/virtio_console.c:1176)
[   17.947319][  T339]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.947321][  T339]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   17.947325][  T339]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   17.947329][  T339]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.947331][  T339]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.947333][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.947335][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.947339][  T339]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.947341][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.947345][  T339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.947349][  T339]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.947353][  T339]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.947355][  T339]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.947358][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.947362][  T339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.947366][  T339]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.947371][  T339]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.947373][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.947378][  T339]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.947381][  T339]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.947383][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.947385][  T339]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.947389][  T339]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.947391][  T339]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.947394][  T339]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.947398][  T339]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.947400][  T339]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.947403][  T339]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.947406][  T339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.947410][  T339]  _printk (kernel/printk/printk.c:2504)
[   17.947415][  T339]  ? snapshot_read.cold (user.c:?)
[   17.947422][  T339] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.947434][  T339] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   17.947443][  T339] br_device_event (net/bridge/br.c:111) bridge
[   17.947451][  T339]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   17.947455][  T339]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   17.947461][  T339]  notifier_call_chain (kernel/notifier.c:85)
[   17.947467][  T339]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   17.947475][  T339]  ? netif_change_name (net/core/dev.c:1517)
[   17.947479][  T339]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   17.947482][  T339]  ? __kernel_text_address (kernel/extable.c:79)
[   17.947485][  T339]  ? write_profile (profile.c:?)
[   17.947487][  T339]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.947492][  T339]  netif_change_flags (net/core/dev.c:9882)
[   17.947496][  T339]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   17.947500][  T339]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.947502][  T339]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.947503][  T339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.947505][  T339]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.947509][  T339]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.947512][  T339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.947514][  T339]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.947516][  T339]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.947520][  T339]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.947521][  T339]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.947524][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.947526][  T339]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   17.947529][  T339]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.947534][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.947536][  T339]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.947538][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.947541][  T339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.947542][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.947545][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.947547][  T339]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.947551][  T339]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   17.947553][  T339]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.947555][  T339]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.947558][  T339]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.947564][  T339]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.947569][  T339]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.947575][  T339]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.947577][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.947581][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.947583][  T339]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.947585][  T339]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.947587][  T339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.947591][  T339]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.947593][  T339]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.947596][  T339]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.947598][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.947602][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.947604][  T339]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.947608][  T339]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.947610][  T339]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.947613][  T339]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.947619][  T339]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.947621][  T339]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.947625][  T339]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.947629][  T339]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.947631][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.947636][  T339]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.947640][  T339]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.947643][  T339]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.947649][  T339]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.947651][  T339]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.947654][  T339]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.947655][  T339]  ? move_addr_to_kernel (net/socket.c:258)
[   17.947663][  T339]  ___sys_sendmsg (net/socket.c:2767)
[   17.947666][  T339]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.947682][  T339]  __sys_sendmsg (net/socket.c:2799)
[   17.947685][  T339]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.947691][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.947695][  T339]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.947698][  T339]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.947701][  T339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.947703][  T339] RIP: 0033:0x7f05be95554e
[   17.947705][  T339] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.947707][  T339] RSP: 002b:00007ffd9f99c1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.947710][  T339] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f05be95554e
[   17.947712][  T339] RDX: 0000000000000000 RSI: 00007ffd9f99c290 RDI: 0000000000000005
[   17.947713][  T339] RBP: 00007ffd9f99c1f0 R08: 0000000000000000 R09: 0000000000000000
[   17.947713][  T339] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126c4
[   17.947714][  T339] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9f99c950
| [   23.203096][  T349] softirqs last disabled at (13654): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   23.203104][  T349] Preemption disabled at:
| [   23.203105][  T349] 0x0
| [   23.203115][  T349] Tainted: [W]=WARN
[   23.203116][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.203118][  T349] Call Trace:
[   23.203119][  T349]  <TASK>
[   23.203121][  T349]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.203127][  T349]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.203132][  T349]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.203136][  T349]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.203142][  T349]  __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))
[   23.203144][  T349]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.203150][  T349]  ? 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)
[   23.203153][  T349]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.203156][  T349]  put_chars (drivers/char/virtio_console.c:1176)
[   23.203158][  T349]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   23.203161][  T349]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.203164][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.203167][  T349]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.203171][  T349]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.203174][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.203176][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.203181][  T349]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.203182][  T349]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   23.203185][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.203188][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.203192][  T349]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.203196][  T349]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.203198][  T349]  ? 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))
[   23.203201][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.203203][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.203207][  T349]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.203212][  T349]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.203214][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.203219][  T349]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.203222][  T349]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.203224][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.203226][  T349]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.203230][  T349]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.203231][  T349]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.203235][  T349]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.203239][  T349]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.203242][  T349]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.203245][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.203249][  T349]  _printk (kernel/printk/printk.c:2504)
[   23.203252][  T349]  ? snapshot_read.cold (user.c:?)
[   23.203260][  T349] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   23.203271][  T349] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   23.203279][  T349] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   23.203287][  T349] br_dev_stop (net/bridge/br_device.c:193) bridge
[   23.203297][  T349]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.203299][  T349]  __dev_close_many (net/core/dev.c:1798)
[   23.203304][  T349]  ? netif_open (net/core/dev.c:1755)
[   23.203305][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.203308][  T349]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.203312][  T349]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   23.203316][  T349]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   23.203319][  T349]  ? __kernel_text_address (kernel/extable.c:79)
[   23.203321][  T349]  ? write_profile (profile.c:?)
[   23.203324][  T349]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.203329][  T349]  netif_change_flags (net/core/dev.c:9877)
[   23.203340][  T349]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   23.203343][  T349]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.203345][  T349]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.203346][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.203348][  T349]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.203352][  T349]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.203355][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.203356][  T349]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.203359][  T349]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.203362][  T349]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.203364][  T349]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.203367][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.203369][  T349]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   23.203371][  T349]  ? ___sys_sendmsg (net/socket.c:2757)
[   23.203376][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.203378][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.203381][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.203383][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.203385][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.203387][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.203389][  T349]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.203393][  T349]  ? __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)
[   23.203396][  T349]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.203398][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.203402][  T349]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.203407][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.203412][  T349]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.203418][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.203420][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.203424][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.203426][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.203429][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.203430][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.203434][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.203436][  T349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.203439][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.203441][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.203445][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.203447][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.203451][  T349]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.203452][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.203455][  T349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.203462][  T349]  ? 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))
[   23.203463][  T349]  ? 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))
[   23.203468][  T349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.203474][  T349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.203478][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.203482][  T349]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.203486][  T349]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.203490][  T349]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.203496][  T349]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.203498][  T349]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.203500][  T349]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.203502][  T349]  ? move_addr_to_kernel (net/socket.c:258)
[   23.203509][  T349]  ___sys_sendmsg (net/socket.c:2767)
[   23.203512][  T349]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.203528][  T349]  __sys_sendmsg (net/socket.c:2799)
[   23.203531][  T349]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.203537][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.203541][  T349]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.203544][  T349]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.203547][  T349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.203549][  T349] RIP: 0033:0x7f3fb9ccc54e
[   23.203551][  T349] 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
[   23.203553][  T349] RSP: 002b:00007ffdff341cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.203556][  T349] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3fb9ccc54e
[   23.203557][  T349] RDX: 0000000000000000 RSI: 00007ffdff341d60 RDI: 0000000000000005
[   23.203558][  T349] RBP: 00007ffdff341cc0 R08: 0000000000000000 R09: 0000000000000000
[   23.203559][  T349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126c9
[   23.203560][  T349] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdff342420
| [   29.095345][  T384] softirqs last disabled at (12438): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   29.095353][  T384] Preemption disabled at:
| [   29.095354][  T384] 0x0
| [   29.095364][  T384] Tainted: [W]=WARN
[   29.095365][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.095367][  T384] Call Trace:
[   29.095368][  T384]  <TASK>
[   29.095370][  T384]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.095383][  T384]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.095388][  T384]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.095392][  T384]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.095398][  T384]  __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))
[   29.095400][  T384]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.095406][  T384]  ? 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)
[   29.095409][  T384]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.095412][  T384]  put_chars (drivers/char/virtio_console.c:1176)
[   29.095414][  T384]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.095417][  T384]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.095420][  T384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.095423][  T384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.095428][  T384]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.095431][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.095432][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.095437][  T384]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.095439][  T384]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.095442][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.095445][  T384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.095449][  T384]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.095453][  T384]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.095455][  T384]  ? 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))
[   29.095458][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.095461][  T384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.095465][  T384]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.095471][  T384]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.095474][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.095482][  T384]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.095485][  T384]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.095487][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.095490][  T384]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.095494][  T384]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.095495][  T384]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.095499][  T384]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.095503][  T384]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.095506][  T384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.095509][  T384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.095513][  T384]  _printk (kernel/printk/printk.c:2504)
[   29.095517][  T384]  ? snapshot_read.cold (user.c:?)
[   29.095525][  T384] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.095536][  T384] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.095545][  T384] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   29.095553][  T384] br_dev_stop (net/bridge/br_device.c:193) bridge
[   29.095562][  T384]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.095565][  T384]  __dev_close_many (net/core/dev.c:1798)
[   29.095569][  T384]  ? netif_open (net/core/dev.c:1755)
[   29.095573][  T384]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   29.095578][  T384]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   29.095582][  T384]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.095585][  T384]  ? __kernel_text_address (kernel/extable.c:79)
[   29.095588][  T384]  ? write_profile (profile.c:?)
[   29.095590][  T384]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.095595][  T384]  netif_change_flags (net/core/dev.c:9877)
[   29.095599][  T384]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.095603][  T384]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.095605][  T384]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.095606][  T384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.095608][  T384]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.095612][  T384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.095615][  T384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.095617][  T384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.095619][  T384]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.095623][  T384]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.095624][  T384]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.095627][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.095629][  T384]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   29.095632][  T384]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.095637][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.095639][  T384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.095642][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.095644][  T384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.095646][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.095648][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.095650][  T384]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.095654][  T384]  ? __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)
[   29.095657][  T384]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.095659][  T384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.095663][  T384]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.095668][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.095674][  T384]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.095679][  T384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.095681][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.095686][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.095688][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.095690][  T384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.095692][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.095696][  T384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.095698][  T384]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.095701][  T384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.095703][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.095707][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.095709][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.095713][  T384]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.095715][  T384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.095718][  T384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.095724][  T384]  ? 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))
[   29.095726][  T384]  ? 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))
[   29.095730][  T384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.095734][  T384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.095737][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.095741][  T384]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.095745][  T384]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.095749][  T384]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.095755][  T384]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.095757][  T384]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.095760][  T384]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.095761][  T384]  ? move_addr_to_kernel (net/socket.c:258)
[   29.095769][  T384]  ___sys_sendmsg (net/socket.c:2767)
[   29.095772][  T384]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.095789][  T384]  __sys_sendmsg (net/socket.c:2799)
[   29.095792][  T384]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.095798][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.095802][  T384]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.095805][  T384]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.095808][  T384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.095810][  T384] RIP: 0033:0x7f3bada2054e
[   29.095813][  T384] 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
[   29.095815][  T384] RSP: 002b:00007ffc8c21b230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.095817][  T384] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3bada2054e
[   29.095819][  T384] RDX: 0000000000000000 RSI: 00007ffc8c21b2e0 RDI: 0000000000000005
[   29.095820][  T384] RBP: 00007ffc8c21b240 R08: 0000000000000000 R09: 0000000000000000
[   29.095820][  T384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126cf
[   29.095821][  T384] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8c21b9a0
| [   35.237038][  T684] softirqs last disabled at (20760): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   35.237046][  T684] Preemption disabled at:
| [   35.237047][  T684] 0x0
| [   35.237057][  T684] Tainted: [W]=WARN
[   35.237058][  T684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.237060][  T684] Call Trace:
[   35.237061][  T684]  <TASK>
[   35.237063][  T684]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.237069][  T684]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.237074][  T684]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.237079][  T684]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.237084][  T684]  __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))
[   35.237086][  T684]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.237092][  T684]  ? 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)
[   35.237095][  T684]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.237098][  T684]  put_chars (drivers/char/virtio_console.c:1176)
[   35.237101][  T684]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.237103][  T684]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.237108][  T684]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.237110][  T684]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.237114][  T684]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.237117][  T684]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.237119][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.237120][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.237125][  T684]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.237126][  T684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.237130][  T684]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.237134][  T684]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.237138][  T684]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.237140][  T684]  ? 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))
[   35.237143][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.237146][  T684]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.237150][  T684]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.237154][  T684]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.237156][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.237161][  T684]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.237164][  T684]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.237166][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.237168][  T684]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.237172][  T684]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.237174][  T684]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.237177][  T684]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.237181][  T684]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.237183][  T684]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.237186][  T684]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.237188][  T684]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.237192][  T684]  _printk (kernel/printk/printk.c:2504)
[   35.237196][  T684]  ? snapshot_read.cold (user.c:?)
[   35.237204][  T684] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   35.237215][  T684] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   35.237224][  T684] br_device_event (net/bridge/br.c:111) bridge
[   35.237232][  T684]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   35.237236][  T684]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   35.237242][  T684]  notifier_call_chain (kernel/notifier.c:85)
[   35.237247][  T684]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   35.237252][  T684]  ? netif_change_name (net/core/dev.c:1517)
[   35.237256][  T684]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   35.237259][  T684]  ? __kernel_text_address (kernel/extable.c:79)
[   35.237261][  T684]  ? write_profile (profile.c:?)
[   35.237264][  T684]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.237269][  T684]  netif_change_flags (net/core/dev.c:9882)
[   35.237273][  T684]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   35.237277][  T684]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.237279][  T684]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.237280][  T684]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.237282][  T684]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.237286][  T684]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.237288][  T684]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.237290][  T684]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.237293][  T684]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.237296][  T684]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.237297][  T684]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.237300][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.237302][  T684]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   35.237305][  T684]  ? ___sys_sendmsg (net/socket.c:2757)
[   35.237310][  T684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.237312][  T684]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.237314][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.237317][  T684]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.237318][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.237320][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.237322][  T684]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.237326][  T684]  ? __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)
[   35.237328][  T684]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.237330][  T684]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.237333][  T684]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.237339][  T684]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.237344][  T684]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.237349][  T684]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.237351][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.237356][  T684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.237358][  T684]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.237360][  T684]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.237362][  T684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.237365][  T684]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.237367][  T684]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.237371][  T684]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.237372][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.237376][  T684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.237378][  T684]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.237382][  T684]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.237384][  T684]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.237386][  T684]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.237393][  T684]  ? 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))
[   35.237394][  T684]  ? 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))
[   35.237398][  T684]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.237402][  T684]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.237405][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.237409][  T684]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.237413][  T684]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.237422][  T684]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.237428][  T684]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.237430][  T684]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.237433][  T684]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.237434][  T684]  ? move_addr_to_kernel (net/socket.c:258)
[   35.237442][  T684]  ___sys_sendmsg (net/socket.c:2767)
[   35.237445][  T684]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.237461][  T684]  __sys_sendmsg (net/socket.c:2799)
[   35.237464][  T684]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.237473][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.237478][  T684]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.237480][  T684]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.237483][  T684]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.237486][  T684] RIP: 0033:0x7fc7a7c5154e
[   35.237488][  T684] 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
[   35.237490][  T684] RSP: 002b:00007ffcfc92dff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.237493][  T684] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc7a7c5154e
[   35.237494][  T684] RDX: 0000000000000000 RSI: 00007ffcfc92e0a0 RDI: 0000000000000005
[   35.237495][  T684] RBP: 00007ffcfc92e000 R08: 0000000000000000 R09: 0000000000000000
[   35.237496][  T684] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126d5
[   35.237497][  T684] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfc92e760
| [   40.490515][  T693] softirqs last disabled at (13550): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   40.490523][  T693] Preemption disabled at:
| [   40.490524][  T693] 0x0
| [   40.490534][  T693] Tainted: [W]=WARN
[   40.490535][  T693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.490537][  T693] Call Trace:
[   40.490539][  T693]  <TASK>
[   40.490540][  T693]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.490547][  T693]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.490552][  T693]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.490556][  T693]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.490561][  T693]  __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))
[   40.490563][  T693]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.490569][  T693]  ? 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)
[   40.490572][  T693]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.490575][  T693]  put_chars (drivers/char/virtio_console.c:1176)
[   40.490577][  T693]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   40.490579][  T693]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.490583][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.490586][  T693]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.490591][  T693]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.490593][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.490595][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.490600][  T693]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.490601][  T693]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   40.490604][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.490607][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.490611][  T693]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.490615][  T693]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.490617][  T693]  ? 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))
[   40.490620][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.490623][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.490627][  T693]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.490631][  T693]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.490633][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.490638][  T693]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.490641][  T693]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.490643][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.490645][  T693]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.490649][  T693]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.490651][  T693]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.490654][  T693]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.490659][  T693]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.490662][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.490664][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.490668][  T693]  _printk (kernel/printk/printk.c:2504)
[   40.490672][  T693]  ? snapshot_read.cold (user.c:?)
[   40.490680][  T693] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   40.490690][  T693] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   40.490699][  T693] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   40.490707][  T693] br_dev_stop (net/bridge/br_device.c:193) bridge
[   40.490716][  T693]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.490719][  T693]  __dev_close_many (net/core/dev.c:1798)
[   40.490723][  T693]  ? netif_open (net/core/dev.c:1755)
[   40.490725][  T693]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.490728][  T693]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.490732][  T693]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   40.490736][  T693]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   40.490739][  T693]  ? __kernel_text_address (kernel/extable.c:79)
[   40.490741][  T693]  ? write_profile (profile.c:?)
[   40.490744][  T693]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.490749][  T693]  netif_change_flags (net/core/dev.c:9877)
[   40.490753][  T693]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   40.490756][  T693]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.490758][  T693]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.490760][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.490762][  T693]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.490765][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.490768][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.490770][  T693]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.490772][  T693]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.490776][  T693]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.490777][  T693]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.490780][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.490782][  T693]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   40.490785][  T693]  ? ___sys_sendmsg (net/socket.c:2757)
[   40.490790][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.490792][  T693]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.490794][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.490797][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.490798][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.490800][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.490803][  T693]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.490806][  T693]  ? __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)
[   40.490810][  T693]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.490812][  T693]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.490815][  T693]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.490821][  T693]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.490826][  T693]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.490832][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.490834][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.490838][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.490840][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.490842][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.490844][  T693]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.490848][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.490850][  T693]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.490853][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.490855][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.490859][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.490861][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.490865][  T693]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.490867][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.490870][  T693]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.490876][  T693]  ? 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))
[   40.490878][  T693]  ? 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))
[   40.490882][  T693]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.490886][  T693]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.490888][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.490893][  T693]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.490897][  T693]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.490901][  T693]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.490906][  T693]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.490909][  T693]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.490911][  T693]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.490913][  T693]  ? move_addr_to_kernel (net/socket.c:258)
[   40.490920][  T693]  ___sys_sendmsg (net/socket.c:2767)
[   40.490923][  T693]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.490940][  T693]  __sys_sendmsg (net/socket.c:2799)
[   40.490943][  T693]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.490949][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.490953][  T693]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.490955][  T693]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.490958][  T693]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.490961][  T693] RIP: 0033:0x7ff204fbe54e
[   40.490963][  T693] 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
[   40.490965][  T693] RSP: 002b:00007ffc7a1ca210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.490968][  T693] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff204fbe54e
[   40.490969][  T693] RDX: 0000000000000000 RSI: 00007ffc7a1ca2c0 RDI: 0000000000000005
[   40.490970][  T693] RBP: 00007ffc7a1ca220 R08: 0000000000000000 R09: 0000000000000000
[   40.490971][  T693] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126da
[   40.490972][  T693] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7a1ca980
| [   46.385994][  T728] softirqs last disabled at (13350): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   46.386002][  T728] Preemption disabled at:
| [   46.386003][  T728] 0x0
| [   46.386013][  T728] Tainted: [W]=WARN
[   46.386014][  T728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.386016][  T728] Call Trace:
[   46.386018][  T728]  <TASK>
[   46.386019][  T728]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.386026][  T728]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.386031][  T728]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.386035][  T728]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.386040][  T728]  __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))
[   46.386042][  T728]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.386048][  T728]  ? 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)
[   46.386051][  T728]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.386054][  T728]  put_chars (drivers/char/virtio_console.c:1176)
[   46.386056][  T728]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   46.386059][  T728]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.386062][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.386065][  T728]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.386069][  T728]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.386072][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.386074][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.386079][  T728]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.386080][  T728]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   46.386083][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.386086][  T728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.386090][  T728]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.386094][  T728]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.386096][  T728]  ? 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))
[   46.386099][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.386101][  T728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.386105][  T728]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.386110][  T728]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.386111][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.386117][  T728]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.386120][  T728]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.386122][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.386124][  T728]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.386128][  T728]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.386129][  T728]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.386133][  T728]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.386137][  T728]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.386140][  T728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.386143][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.386147][  T728]  _printk (kernel/printk/printk.c:2504)
[   46.386151][  T728]  ? snapshot_read.cold (user.c:?)
[   46.386159][  T728] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   46.386169][  T728] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   46.386178][  T728] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   46.386186][  T728] br_dev_stop (net/bridge/br_device.c:193) bridge
[   46.386195][  T728]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.386197][  T728]  __dev_close_many (net/core/dev.c:1798)
[   46.386202][  T728]  ? netif_open (net/core/dev.c:1755)
[   46.386203][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.386206][  T728]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.386210][  T728]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   46.386213][  T728]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   46.386217][  T728]  ? __kernel_text_address (kernel/extable.c:79)
[   46.386219][  T728]  ? write_profile (profile.c:?)
[   46.386222][  T728]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.386227][  T728]  netif_change_flags (net/core/dev.c:9877)
[   46.386230][  T728]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   46.386234][  T728]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.386236][  T728]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.386237][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.386239][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.386243][  T728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.386245][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.386247][  T728]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.386250][  T728]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.386253][  T728]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.386255][  T728]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.386257][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.386259][  T728]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   46.386262][  T728]  ? ___sys_sendmsg (net/socket.c:2757)
[   46.386267][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.386269][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.386271][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.386274][  T728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.386275][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.386277][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.386279][  T728]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.386283][  T728]  ? __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)
[   46.386286][  T728]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.386289][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.386292][  T728]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.386297][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.386303][  T728]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.386308][  T728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.386310][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.386314][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.386316][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.386319][  T728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.386320][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.386324][  T728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.386326][  T728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.386329][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.386331][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.386335][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.386337][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.386341][  T728]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.386343][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.386345][  T728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.386352][  T728]  ? 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))
[   46.386353][  T728]  ? 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))
[   46.386358][  T728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.386362][  T728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.386364][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.386368][  T728]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.386372][  T728]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.386376][  T728]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.386382][  T728]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.386384][  T728]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.386386][  T728]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.386388][  T728]  ? move_addr_to_kernel (net/socket.c:258)
[   46.386395][  T728]  ___sys_sendmsg (net/socket.c:2767)
[   46.386398][  T728]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.386414][  T728]  __sys_sendmsg (net/socket.c:2799)
[   46.386417][  T728]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.386423][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.386427][  T728]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.386430][  T728]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.386433][  T728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.386435][  T728] RIP: 0033:0x7fc7dd3cd54e
[   46.386437][  T728] 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
[   46.386439][  T728] RSP: 002b:00007fffbde8bd50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.386442][  T728] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc7dd3cd54e
[   46.386444][  T728] RDX: 0000000000000000 RSI: 00007fffbde8be00 RDI: 0000000000000005
[   46.386445][  T728] RBP: 00007fffbde8bd60 R08: 0000000000000000 R09: 0000000000000000
[   46.386445][  T728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126e0
[   46.386446][  T728] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbde8c4c0
| [   48.851216][  T844] softirqs last disabled at (15030): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   48.851224][  T844] Preemption disabled at:
| [   48.851225][  T844] 0x0
| [   48.851235][  T844] Tainted: [W]=WARN
[   48.851236][  T844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.851237][  T844] Call Trace:
[   48.851239][  T844]  <TASK>
[   48.851241][  T844]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.851247][  T844]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.851252][  T844]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.851256][  T844]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.851262][  T844]  __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))
[   48.851264][  T844]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.851270][  T844]  ? 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)
[   48.851272][  T844]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.851276][  T844]  put_chars (drivers/char/virtio_console.c:1176)
[   48.851279][  T844]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.851282][  T844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.851286][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.851288][  T844]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.851292][  T844]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.851295][  T844]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.851297][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.851298][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.851303][  T844]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.851304][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.851308][  T844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.851312][  T844]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.851316][  T844]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.851318][  T844]  ? 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))
[   48.851322][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.851324][  T844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.851328][  T844]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.851333][  T844]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.851335][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.851340][  T844]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.851343][  T844]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.851345][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.851347][  T844]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.851351][  T844]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.851352][  T844]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.851356][  T844]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.851360][  T844]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.851362][  T844]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.851365][  T844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.851367][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.851371][  T844]  _printk (kernel/printk/printk.c:2504)
[   48.851375][  T844]  ? snapshot_read.cold (user.c:?)
[   48.851383][  T844] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   48.851393][  T844] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   48.851403][  T844] br_device_event (net/bridge/br.c:111) bridge
[   48.851411][  T844]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   48.851417][  T844]  notifier_call_chain (kernel/notifier.c:85)
[   48.851423][  T844]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   48.851428][  T844]  ? netif_change_name (net/core/dev.c:1517)
[   48.851432][  T844]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   48.851435][  T844]  ? __kernel_text_address (kernel/extable.c:79)
[   48.851437][  T844]  ? write_profile (profile.c:?)
[   48.851440][  T844]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   48.851445][  T844]  netif_change_flags (net/core/dev.c:9882)
[   48.851449][  T844]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   48.851452][  T844]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.851454][  T844]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.851456][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.851458][  T844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.851461][  T844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.851464][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.851466][  T844]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.851470][  T844]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.851474][  T844]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.851476][  T844]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.851479][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.851481][  T844]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   48.851484][  T844]  ? ___sys_sendmsg (net/socket.c:2757)
[   48.851489][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.851491][  T844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.851494][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.851496][  T844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.851498][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.851499][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.851502][  T844]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.851506][  T844]  ? __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)
[   48.851514][  T844]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.851517][  T844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.851520][  T844]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.851526][  T844]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.851531][  T844]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.851537][  T844]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.851539][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.851543][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.851545][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.851547][  T844]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.851549][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.851553][  T844]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.851555][  T844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.851559][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.851560][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.851564][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.851566][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.851570][  T844]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.851572][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.851575][  T844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.851581][  T844]  ? 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))
[   48.851583][  T844]  ? 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))
[   48.851587][  T844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.851591][  T844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.851594][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.851598][  T844]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.851602][  T844]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.851606][  T844]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.851612][  T844]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.851614][  T844]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.851616][  T844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.851618][  T844]  ? move_addr_to_kernel (net/socket.c:258)
[   48.851625][  T844]  ___sys_sendmsg (net/socket.c:2767)
[   48.851628][  T844]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.851645][  T844]  __sys_sendmsg (net/socket.c:2799)
[   48.851648][  T844]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.851655][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.851659][  T844]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.851661][  T844]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.851664][  T844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.851666][  T844] RIP: 0033:0x7f9dee93c54e
[   48.851669][  T844] 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
[   48.851671][  T844] RSP: 002b:00007fff037845f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.851674][  T844] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9dee93c54e
[   48.851675][  T844] RDX: 0000000000000000 RSI: 00007fff037846a0 RDI: 0000000000000005
[   48.851676][  T844] RBP: 00007fff03784600 R08: 0000000000000000 R09: 0000000000000000
[   48.851677][  T844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126e3
[   48.851678][  T844] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff03784d60
| [   54.098418][  T853] softirqs last disabled at (20080): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   54.098426][  T853] Preemption disabled at:
| [   54.098427][  T853] 0x0
| [   54.098437][  T853] Tainted: [W]=WARN
[   54.098438][  T853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.098440][  T853] Call Trace:
[   54.098442][  T853]  <TASK>
[   54.098443][  T853]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.098450][  T853]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.098455][  T853]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.098459][  T853]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.098464][  T853]  __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))
[   54.098468][  T853]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.098476][  T853]  ? 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)
[   54.098479][  T853]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.098483][  T853]  put_chars (drivers/char/virtio_console.c:1176)
[   54.098485][  T853]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   54.098488][  T853]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.098491][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.098495][  T853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.098499][  T853]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.098502][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.098504][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.098509][  T853]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.098510][  T853]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   54.098513][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.098516][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.098520][  T853]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.098524][  T853]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.098526][  T853]  ? 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))
[   54.098529][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.098532][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.098536][  T853]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.098540][  T853]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.098542][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.098555][  T853]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.098558][  T853]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.098560][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.098562][  T853]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.098566][  T853]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.098568][  T853]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.098571][  T853]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.098575][  T853]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.098578][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.098581][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.098585][  T853]  _printk (kernel/printk/printk.c:2504)
[   54.098589][  T853]  ? snapshot_read.cold (user.c:?)
[   54.098596][  T853] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   54.098607][  T853] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   54.098615][  T853] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   54.098623][  T853] br_dev_stop (net/bridge/br_device.c:193) bridge
[   54.098632][  T853]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.098635][  T853]  __dev_close_many (net/core/dev.c:1798)
[   54.098639][  T853]  ? netif_open (net/core/dev.c:1755)
[   54.098641][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.098644][  T853]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.098648][  T853]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   54.098651][  T853]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   54.098655][  T853]  ? __kernel_text_address (kernel/extable.c:79)
[   54.098657][  T853]  ? write_profile (profile.c:?)
[   54.098660][  T853]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   54.098664][  T853]  netif_change_flags (net/core/dev.c:9877)
[   54.098668][  T853]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   54.098672][  T853]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.098674][  T853]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.098675][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.098677][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.098681][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.098684][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.098685][  T853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.098688][  T853]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.098691][  T853]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.098693][  T853]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.098696][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.098698][  T853]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   54.098700][  T853]  ? ___sys_sendmsg (net/socket.c:2757)
[   54.098705][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.098707][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.098710][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.098713][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.098714][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.098716][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.098718][  T853]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.098722][  T853]  ? __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)
[   54.098725][  T853]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.098727][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.098731][  T853]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.098736][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.098742][  T853]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.098747][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.098749][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.098754][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.098756][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.098758][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.098760][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.098764][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.098766][  T853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.098769][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.098770][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.098775][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.098777][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.098780][  T853]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.098782][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.098785][  T853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.098792][  T853]  ? 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))
[   54.098793][  T853]  ? 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))
[   54.098798][  T853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.098801][  T853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.098804][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.098808][  T853]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.098812][  T853]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.098816][  T853]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.098822][  T853]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   54.098825][  T853]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.098827][  T853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   54.098829][  T853]  ? move_addr_to_kernel (net/socket.c:258)
[   54.098836][  T853]  ___sys_sendmsg (net/socket.c:2767)
[   54.098839][  T853]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.098856][  T853]  __sys_sendmsg (net/socket.c:2799)
[   54.098859][  T853]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.098865][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.098869][  T853]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.098871][  T853]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.098875][  T853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.098877][  T853] RIP: 0033:0x7fed9c3b954e
[   54.098879][  T853] 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
[   54.098881][  T853] RSP: 002b:00007ffea3b0d840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.098884][  T853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fed9c3b954e
[   54.098886][  T853] RDX: 0000000000000000 RSI: 00007ffea3b0d8f0 RDI: 0000000000000005
[   54.098886][  T853] RBP: 00007ffea3b0d850 R08: 0000000000000000 R09: 0000000000000000
[   54.098887][  T853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126e8
[   54.098888][  T853] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea3b0dfb0
| [   55.139582][  T898] softirqs last disabled at (32906): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   55.139585][  T898] Preemption disabled at:
| [   55.139585][  T898] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.139594][  T898] Tainted: [W]=WARN
[   55.139595][  T898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.139597][  T898] Call Trace:
[   55.139598][  T898]  <TASK>
[   55.139600][  T898]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.139606][  T898]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.139608][  T898]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.139613][  T898]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.139617][  T898]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.139622][  T898]  __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))
[   55.139625][  T898]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.139631][  T898]  ? 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)
[   55.139634][  T898]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.139637][  T898]  put_chars (drivers/char/virtio_console.c:1176)
[   55.139640][  T898]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.139646][  T898]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.139653][  T898]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.139655][  T898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.139660][  T898]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.139663][  T898]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.139665][  T898]  ? 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))
[   55.139668][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.139673][  T898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.139677][  T898]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.139681][  T898]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.139683][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.139688][  T898]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.139691][  T898]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.139693][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.139695][  T898]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.139699][  T898]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.139701][  T898]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.139704][  T898]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.139708][  T898]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.139711][  T898]  ? __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)
[   55.139714][  T898]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.139715][  T898]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.139719][  T898]  _printk (kernel/printk/printk.c:2504)
[   55.139723][  T898]  ? snapshot_read.cold (user.c:?)
[   55.139726][  T898]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   55.139740][  T898]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   55.139745][  T898] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.139755][  T898] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   55.139764][  T898] new_nbp (net/bridge/br_if.c:449) bridge
[   55.139773][  T898] br_add_if (net/bridge/br_if.c:592) bridge
[   55.139781][  T898]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   55.139786][  T898]  do_set_master (net/core/rtnetlink.c:3071)
[   55.139791][  T898]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   55.139795][  T898]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   55.139797][  T898]  ? __dev_get_by_name (net/core/dev.c:905)
[   55.139799][  T898]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   55.139809][  T898]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   55.139815][  T898]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.139821][  T898]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.139823][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.139829][  T898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.139833][  T898]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.139835][  T898]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.139839][  T898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.139840][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.139845][  T898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.139847][  T898]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.139850][  T898]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.139853][  T898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.139856][  T898]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.139863][  T898]  ? 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))
[   55.139864][  T898]  ? 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))
[   55.139869][  T898]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.139873][  T898]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.139875][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.139880][  T898]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.139883][  T898]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.139887][  T898]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.139893][  T898]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.139897][  T898]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.139899][  T898]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.139901][  T898]  ? move_addr_to_kernel (net/socket.c:258)
[   55.139905][  T898]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   55.139907][  T898]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   55.139912][  T898]  ___sys_sendmsg (net/socket.c:2767)
[   55.139915][  T898]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.139931][  T898]  __sys_sendmsg (net/socket.c:2799)
[   55.139934][  T898]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.139940][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.139942][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.139946][  T898]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.139948][  T898]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.139951][  T898]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.139954][  T898] RIP: 0033:0x7f9cd449a54e
[   55.139957][  T898] 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
[   55.139959][  T898] RSP: 002b:00007ffda66cae80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.139962][  T898] RAX: ffffffffffffffda RBX: 00007ffda66cb638 RCX: 00007f9cd449a54e
[   55.139963][  T898] RDX: 0000000000000000 RSI: 00007ffda66caf30 RDI: 0000000000000005
[   55.139964][  T898] RBP: 00007ffda66cae90 R08: 0000000000000000 R09: 0000000000000000
[   55.139965][  T898] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126e9
[   55.139966][  T898] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda66cb5f0
| [   56.147083][  T938] softirqs last disabled at (26326): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.147086][  T938] Preemption disabled at:
| [   56.147086][  T938] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.147095][  T938] Tainted: [W]=WARN
[   56.147096][  T938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.147098][  T938] Call Trace:
[   56.147100][  T938]  <TASK>
[   56.147101][  T938]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.147107][  T938]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.147109][  T938]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.147114][  T938]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.147118][  T938]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.147123][  T938]  __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))
[   56.147126][  T938]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.147133][  T938]  ? 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)
[   56.147136][  T938]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.147139][  T938]  put_chars (drivers/char/virtio_console.c:1176)
[   56.147142][  T938]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.147148][  T938]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.147155][  T938]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.147157][  T938]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.147162][  T938]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.147166][  T938]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.147168][  T938]  ? 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))
[   56.147171][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.147175][  T938]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.147179][  T938]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.147183][  T938]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.147185][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.147191][  T938]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.147194][  T938]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.147196][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.147198][  T938]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.147202][  T938]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.147204][  T938]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.147207][  T938]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.147211][  T938]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.147214][  T938]  ? __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)
[   56.147217][  T938]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.147218][  T938]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.147222][  T938]  _printk (kernel/printk/printk.c:2504)
[   56.147226][  T938]  ? snapshot_read.cold (user.c:?)
[   56.147229][  T938]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   56.147243][  T938]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   56.147248][  T938] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   56.147259][  T938] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   56.147268][  T938] new_nbp (net/bridge/br_if.c:449) bridge
[   56.147277][  T938] br_add_if (net/bridge/br_if.c:592) bridge
[   56.147284][  T938]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.147290][  T938]  do_set_master (net/core/rtnetlink.c:3071)
[   56.147295][  T938]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.147299][  T938]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.147301][  T938]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.147303][  T938]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.147313][  T938]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.147320][  T938]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.147325][  T938]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.147327][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.147334][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.147338][  T938]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.147340][  T938]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.147343][  T938]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.147345][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.147349][  T938]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.147351][  T938]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.147355][  T938]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.147358][  T938]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.147361][  T938]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.147368][  T938]  ? 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))
[   56.147369][  T938]  ? 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))
[   56.147374][  T938]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.147378][  T938]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.147380][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.147385][  T938]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.147389][  T938]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.147393][  T938]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.147398][  T938]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.147402][  T938]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.147404][  T938]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.147406][  T938]  ? move_addr_to_kernel (net/socket.c:258)
[   56.147410][  T938]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   56.147413][  T938]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   56.147418][  T938]  ___sys_sendmsg (net/socket.c:2767)
[   56.147421][  T938]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.147437][  T938]  __sys_sendmsg (net/socket.c:2799)
[   56.147440][  T938]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.147446][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.147449][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.147452][  T938]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.147455][  T938]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.147458][  T938]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.147460][  T938] RIP: 0033:0x7ff50984754e
[   56.147464][  T938] 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
[   56.147466][  T938] RSP: 002b:00007ffd45101510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.147469][  T938] RAX: ffffffffffffffda RBX: 00007ffd45101cc8 RCX: 00007ff50984754e
[   56.147471][  T938] RDX: 0000000000000000 RSI: 00007ffd451015c0 RDI: 0000000000000005
[   56.147473][  T938] RBP: 00007ffd45101520 R08: 0000000000000000 R09: 0000000000000000
[   56.147474][  T938] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126ea
[   56.147475][  T938] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd45101c80
| [   57.154991][  T979] softirqs last disabled at (28106): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.154993][  T979] Preemption disabled at:
| [   57.154994][  T979] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.155003][  T979] Tainted: [W]=WARN
[   57.155004][  T979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.155006][  T979] Call Trace:
[   57.155008][  T979]  <TASK>
[   57.155009][  T979]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.155015][  T979]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.155017][  T979]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.155022][  T979]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.155026][  T979]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.155032][  T979]  __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))
[   57.155034][  T979]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.155040][  T979]  ? 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)
[   57.155043][  T979]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.155046][  T979]  put_chars (drivers/char/virtio_console.c:1176)
[   57.155048][  T979]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.155055][  T979]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.155061][  T979]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.155064][  T979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.155068][  T979]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.155072][  T979]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.155073][  T979]  ? 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))
[   57.155077][  T979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.155081][  T979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.155085][  T979]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.155089][  T979]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.155091][  T979]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.155096][  T979]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.155099][  T979]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.155101][  T979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.155103][  T979]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.155107][  T979]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.155109][  T979]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.155112][  T979]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.155116][  T979]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.155119][  T979]  ? __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)
[   57.155122][  T979]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.155123][  T979]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.155127][  T979]  _printk (kernel/printk/printk.c:2504)
[   57.155131][  T979]  ? snapshot_read.cold (user.c:?)
[   57.155135][  T979]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   57.155149][  T979]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   57.155154][  T979] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.155165][  T979] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.155173][  T979] new_nbp (net/bridge/br_if.c:449) bridge
[   57.155182][  T979] br_add_if (net/bridge/br_if.c:592) bridge
[   57.155189][  T979]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   57.155195][  T979]  do_set_master (net/core/rtnetlink.c:3071)
[   57.155200][  T979]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   57.155204][  T979]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   57.155206][  T979]  ? __dev_get_by_name (net/core/dev.c:905)
[   57.155208][  T979]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   57.155218][  T979]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   57.155224][  T979]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.155230][  T979]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.155232][  T979]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.155239][  T979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.155242][  T979]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.155244][  T979]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.155248][  T979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.155249][  T979]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.155254][  T979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.155256][  T979]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.155260][  T979]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.155263][  T979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.155266][  T979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.155273][  T979]  ? 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))
[   57.155274][  T979]  ? 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))
[   57.155279][  T979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.155283][  T979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.155285][  T979]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.155290][  T979]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.155294][  T979]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.155298][  T979]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.155303][  T979]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.155307][  T979]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.155309][  T979]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.155311][  T979]  ? move_addr_to_kernel (net/socket.c:258)
[   57.155315][  T979]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.155317][  T979]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.155322][  T979]  ___sys_sendmsg (net/socket.c:2767)
[   57.155325][  T979]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.155341][  T979]  __sys_sendmsg (net/socket.c:2799)
[   57.155344][  T979]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.155350][  T979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.155352][  T979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.155356][  T979]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.155358][  T979]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.155362][  T979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.155364][  T979] RIP: 0033:0x7f478dba154e
[   57.155368][  T979] 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
[   57.155369][  T979] RSP: 002b:00007ffe89e839b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.155372][  T979] RAX: ffffffffffffffda RBX: 00007ffe89e84168 RCX: 00007f478dba154e
[   57.155374][  T979] RDX: 0000000000000000 RSI: 00007ffe89e83a60 RDI: 0000000000000005
[   57.155375][  T979] RBP: 00007ffe89e839c0 R08: 0000000000000000 R09: 0000000000000000
[   57.155376][  T979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126eb
[   57.155376][  T979] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe89e84120
| [   64.387068][ T1152] softirqs last disabled at (11240): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   64.387071][ T1152] Preemption disabled at:
| [   64.387071][ T1152] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.387081][ T1152] Tainted: [W]=WARN
[   64.387082][ T1152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.387084][ T1152] Call Trace:
[   64.387086][ T1152]  <TASK>
[   64.387087][ T1152]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.387093][ T1152]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.387095][ T1152]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.387100][ T1152]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.387104][ T1152]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.387109][ T1152]  __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))
[   64.387112][ T1152]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.387118][ T1152]  ? 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)
[   64.387121][ T1152]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.387124][ T1152]  put_chars (drivers/char/virtio_console.c:1176)
[   64.387127][ T1152]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.387128][ T1152]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   64.387132][ T1152]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   64.387136][ T1152]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.387139][ T1152]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   64.387141][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.387142][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.387147][ T1152]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.387148][ T1152]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.387152][ T1152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.387157][ T1152]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.387161][ T1152]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.387162][ T1152]  ? 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))
[   64.387166][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.387170][ T1152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.387174][ T1152]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.387178][ T1152]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.387180][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.387186][ T1152]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.387188][ T1152]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.387190][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.387193][ T1152]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.387196][ T1152]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.387198][ T1152]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.387202][ T1152]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.387206][ T1152]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.387212][ T1152]  _printk (kernel/printk/printk.c:2504)
[   64.387216][ T1152]  ? snapshot_read.cold (user.c:?)
[   64.387218][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.387220][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.387222][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.387225][ T1152]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.387228][ T1152]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.387232][ T1152]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.387236][ T1152]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.387238][ T1152]  ? netdev_notice (net/core/dev.c:13194)
[   64.387239][ T1152]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.387250][ T1152]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   64.387255][ T1152]  dev_set_allmulti (net/core/dev_api.c:315)
[   64.387258][ T1152] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   64.387271][ T1152]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   64.387276][ T1152] br_dev_delete (net/bridge/br_if.c:387) bridge
[   64.387285][ T1152]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   64.387288][ T1152]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   64.387290][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.387291][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.387294][ T1152]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   64.387317][ T1152]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.387318][ T1152]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.387321][ T1152]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.387323][ T1152]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   64.387325][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.387330][ T1152]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.387332][ T1152]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.387334][ T1152]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   64.387336][ T1152]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.387340][ T1152]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   64.387343][ T1152]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.387346][ T1152]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.387348][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.387352][ T1152]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.387354][ T1152]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.387358][ T1152]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.387361][ T1152]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.387364][ T1152]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.387370][ T1152]  ? 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))
[   64.387372][ T1152]  ? 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))
[   64.387376][ T1152]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.387380][ T1152]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.387383][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.387387][ T1152]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.387391][ T1152]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.387395][ T1152]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   64.387401][ T1152]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.387404][ T1152]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.387406][ T1152]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   64.387408][ T1152]  ? move_addr_to_kernel (net/socket.c:258)
[   64.387415][ T1152]  ___sys_sendmsg (net/socket.c:2767)
[   64.387418][ T1152]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.387435][ T1152]  __sys_sendmsg (net/socket.c:2799)
[   64.387437][ T1152]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.387444][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.387448][ T1152]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.387450][ T1152]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.387453][ T1152]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.387455][ T1152] RIP: 0033:0x7f7adbe4f54e
[   64.387459][ T1152] 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
[   64.387461][ T1152] RSP: 002b:00007ffcb4c01310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.387463][ T1152] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7adbe4f54e
[   64.387465][ T1152] RDX: 0000000000000000 RSI: 00007ffcb4c013c0 RDI: 0000000000000005
[   64.387466][ T1152] RBP: 00007ffcb4c01320 R08: 0000000000000000 R09: 0000000000000000
[   64.387467][ T1152] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126f2
[   64.387468][ T1152] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb4c01a80
| [   64.407397][    C0]
| [   64.407397][    C0]
| [   64.407397][    C0] stack backtrace:
| [   64.407403][    C0] Tainted: [W]=WARN
[   64.407404][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.407405][    C0] Call Trace:
[   64.407406][    C0]  <IRQ>
[   64.407406][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.407410][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   64.407413][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   64.407414][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   64.407417][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   64.407419][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   64.407421][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   64.407423][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.407425][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   64.407427][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.407430][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.407432][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   64.407434][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   64.407435][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   64.407438][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.407440][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   64.407442][    C0]  _printk (kernel/printk/printk.c:2504)
[   64.407444][    C0]  ? snapshot_read.cold (user.c:?)
[   64.407446][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   64.407447][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.407450][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   64.407451][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   64.407453][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   64.407454][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   64.407456][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   64.407458][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   64.407462][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.407463][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.407465][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.407467][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   64.407470][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   64.407473][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   64.407476][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.407479][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.407481][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   64.407483][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   64.407485][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.407487][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.407489][    C0]  handle_softirqs (kernel/softirq.c:645)
[   64.407491][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.407493][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   64.407495][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   64.407496][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   64.407498][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   64.407499][    C0]  </IRQ>
[   64.407500][    C0]  <TASK>
[   64.407500][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   64.407503][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   64.407504][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   64.407507][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   64.407509][    C0] RSP: 0018:ffffffffac407cf8 EFLAGS: 00000296
[   64.407510][    C0] RAX: 000000000022f605 RBX: ffffffffac41c600 RCX: ffffffffa94f0307
[   64.407512][    C0] RDX: ffffffffac41c600 RSI: ffffffffac238b01 RDI: ffffffffabc8d8e0
[   64.407513][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   64.407513][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5880fa2
[   64.407514][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   64.407516][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   64.407518][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   64.407520][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   64.407521][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   64.407523][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   64.407525][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   64.407526][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   64.407529][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.407531][    C0]  do_idle (kernel/sched/idle.c:355)
[   64.407532][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   64.407534][    C0]  rest_init (init/main.c:727)
[   64.407536][    C0]  ? __cpuidle_text_end (??:?)
[   64.407538][    C0]  ? rest_init (init/main.c:727)
[   64.407540][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   64.407544][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   64.407547][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   64.407549][    C0]  start_kernel (init/main.c:1185)
[   64.407551][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   64.407553][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   64.407555][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   66.168328][ T1189] softirqs last disabled at (0): 0x0
| [   66.168330][ T1189] Preemption disabled at:
| [   66.168331][ T1189] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.168342][ T1189] Tainted: [W]=WARN
[   66.168343][ T1189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.168345][ T1189] Call Trace:
[   66.168346][ T1189]  <TASK>
[   66.168348][ T1189]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.168353][ T1189]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.168355][ T1189]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.168359][ T1189]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.168362][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168366][ T1189]  __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))
[   66.168370][ T1189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.168372][ T1189]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.168376][ T1189]  ? 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)
[   66.168378][ T1189]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.168380][ T1189]  put_chars (drivers/char/virtio_console.c:1176)
[   66.168382][ T1189]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.168384][ T1189]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   66.168386][ T1189]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.168390][ T1189]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.168391][ T1189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.168393][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168395][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.168397][ T1189]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.168399][ T1189]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.168401][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168403][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168405][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168406][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.168408][ T1189]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   66.168410][ T1189]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.168412][ T1189]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.168415][ T1189]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.168417][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.168419][ T1189]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.168420][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168422][ T1189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.168423][ T1189]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.168425][ T1189]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   66.168427][ T1189]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.168429][ T1189]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.168431][ T1189]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.168433][ T1189]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.168435][ T1189]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.168439][ T1189]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.168442][ T1189]  ? ___sys_sendmsg (net/socket.c:2767)
[   66.168443][ T1189]  ? __sys_sendmsg (net/socket.c:2799)
[   66.168445][ T1189]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.168448][ T1189]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.168450][ T1189]  _printk (kernel/printk/printk.c:2504)
[   66.168453][ T1189]  ? snapshot_read.cold (user.c:?)
[   66.168455][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168456][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168458][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168460][ T1189]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.168463][ T1189]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.168466][ T1189]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.168468][ T1189]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.168471][ T1189]  ? netdev_notice (net/core/dev.c:13194)
[   66.168473][ T1189]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.168477][ T1189]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   66.168480][ T1189]  ? trace_contention_end (./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/lock.h:121)
[   66.168482][ T1189]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.168486][ T1189]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.168488][ T1189] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   66.168501][ T1189]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.168504][ T1189] br_dev_delete (net/bridge/br_if.c:387) bridge
[   66.168511][ T1189]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   66.168514][ T1189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.168516][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168518][ T1189]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.168520][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168527][ T1189]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   66.168529][ T1189]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.168531][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168533][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168534][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.168536][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168538][ T1189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.168539][ T1189]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   66.168543][ T1189]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   66.168545][ T1189]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.168547][ T1189]  ? __kernel_text_address (kernel/extable.c:79)
[   66.168548][ T1189]  ? write_profile (profile.c:?)
[   66.168550][ T1189]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   66.168552][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168554][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168555][ T1189]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   66.168559][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.168560][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168562][ T1189]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.168564][ T1189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.168566][ T1189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.168567][ T1189]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   66.168569][ T1189]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   66.168573][ T1189]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.168574][ T1189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.168576][ T1189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.168577][ T1189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.168579][ T1189]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   66.168581][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168583][ T1189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.168585][ T1189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.168587][ T1189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.168588][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168590][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168592][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.168594][ T1189]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.168596][ T1189]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.168597][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168599][ T1189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.168601][ T1189]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.168603][ T1189]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.168605][ T1189]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   66.168606][ T1189]  ? move_addr_to_kernel (net/socket.c:258)
[   66.168607][ T1189]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   66.168610][ T1189]  ___sys_sendmsg (net/socket.c:2767)
[   66.168612][ T1189]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.168617][ T1189]  __sys_sendmsg (net/socket.c:2799)
[   66.168619][ T1189]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.168622][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.168624][ T1189]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.168625][ T1189]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.168632][ T1189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.168634][ T1189] RIP: 0033:0x7f91980bd54e
[   66.168636][ T1189] 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
[   66.168638][ T1189] RSP: 002b:00007ffe43d4a560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.168642][ T1189] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f91980bd54e
[   66.168644][ T1189] RDX: 0000000000000000 RSI: 00007ffe43d4a610 RDI: 0000000000000005
[   66.168644][ T1189] RBP: 00007ffe43d4a570 R08: 0000000000000000 R09: 0000000000000000
[   66.168645][ T1189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126f4
[   66.168646][ T1189] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe43d4acd0
| [   68.015618][ T1227] softirqs last disabled at (0): 0x0
| [   68.015620][ T1227] Preemption disabled at:
| [   68.015620][ T1227] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.015632][ T1227] Tainted: [W]=WARN
[   68.015633][ T1227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.015634][ T1227] Call Trace:
[   68.015636][ T1227]  <TASK>
[   68.015637][ T1227]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.015649][ T1227]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.015651][ T1227]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.015655][ T1227]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.015659][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015663][ T1227]  __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))
[   68.015667][ T1227]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.015670][ T1227]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.015674][ T1227]  ? 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)
[   68.015676][ T1227]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.015679][ T1227]  put_chars (drivers/char/virtio_console.c:1176)
[   68.015681][ T1227]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.015682][ T1227]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   68.015685][ T1227]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   68.015688][ T1227]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.015691][ T1227]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.015693][ T1227]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.015695][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.015697][ T1227]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.015700][ T1227]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.015702][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015704][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015705][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015707][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.015709][ T1227]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   68.015711][ T1227]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.015714][ T1227]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.015716][ T1227]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.015718][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.015720][ T1227]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.015722][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015723][ T1227]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.015725][ T1227]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.015726][ T1227]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   68.015728][ T1227]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.015730][ T1227]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.015732][ T1227]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.015735][ T1227]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.015737][ T1227]  ? __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)
[   68.015740][ T1227]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.015742][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015744][ T1227]  _printk (kernel/printk/printk.c:2504)
[   68.015747][ T1227]  ? snapshot_read.cold (user.c:?)
[   68.015749][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015751][ T1227]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.015752][ T1227]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   68.015755][ T1227] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   68.015768][ T1227] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   68.015776][ T1227] new_nbp (net/bridge/br_if.c:449) bridge
[   68.015786][ T1227] br_add_if (net/bridge/br_if.c:592) bridge
[   68.015793][ T1227]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   68.015796][ T1227]  do_set_master (net/core/rtnetlink.c:3071)
[   68.015800][ T1227]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   68.015802][ T1227]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   68.015804][ T1227]  ? __dev_get_by_name (net/core/dev.c:905)
[   68.015806][ T1227]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   68.015810][ T1227]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   68.015813][ T1227]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.015815][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015817][ T1227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.015818][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.015819][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015821][ T1227]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   68.015825][ T1227]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   68.015827][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015829][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015830][ T1227]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   68.015834][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.015836][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015838][ T1227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.015839][ T1227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.015841][ T1227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.015842][ T1227]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   68.015845][ T1227]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   68.015849][ T1227]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.015852][ T1227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.015853][ T1227]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.015855][ T1227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.015856][ T1227]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   68.015859][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015860][ T1227]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.015862][ T1227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.015864][ T1227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.015866][ T1227]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   68.015869][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.015871][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015873][ T1227]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.015875][ T1227]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.015877][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015879][ T1227]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.015881][ T1227]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.015883][ T1227]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.015885][ T1227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.015887][ T1227]  ? move_addr_to_kernel (net/socket.c:258)
[   68.015889][ T1227]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   68.015892][ T1227]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   68.015895][ T1227]  ___sys_sendmsg (net/socket.c:2767)
[   68.015897][ T1227]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.015902][ T1227]  __sys_sendmsg (net/socket.c:2799)
[   68.015904][ T1227]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.015906][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015908][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.015910][ T1227]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.015912][ T1227]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.015915][ T1227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.015917][ T1227] RIP: 0033:0x7f129c0c954e
[   68.015919][ T1227] 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
[   68.015920][ T1227] RSP: 002b:00007ffef84a1330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.015924][ T1227] RAX: ffffffffffffffda RBX: 00007ffef84a1ae8 RCX: 00007f129c0c954e
[   68.015925][ T1227] RDX: 0000000000000000 RSI: 00007ffef84a13e0 RDI: 0000000000000005
[   68.015927][ T1227] RBP: 00007ffef84a1340 R08: 0000000000000000 R09: 0000000000000000
[   68.015927][ T1227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126f6
[   68.015928][ T1227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef84a1aa0
| [   69.025590][ T1296] softirqs last disabled at (0): 0x0
| [   69.025591][ T1296] Preemption disabled at:
| [   69.025592][ T1296] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.025603][ T1296] Tainted: [W]=WARN
[   69.025604][ T1296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.025606][ T1296] Call Trace:
[   69.025607][ T1296]  <TASK>
[   69.025608][ T1296]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.025614][ T1296]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.025616][ T1296]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.025620][ T1296]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.025623][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025627][ T1296]  __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))
[   69.025631][ T1296]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   69.025634][ T1296]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.025638][ T1296]  ? 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)
[   69.025639][ T1296]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.025642][ T1296]  put_chars (drivers/char/virtio_console.c:1176)
[   69.025644][ T1296]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.025645][ T1296]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   69.025654][ T1296]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   69.025657][ T1296]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.025660][ T1296]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.025661][ T1296]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   69.025663][ T1296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.025665][ T1296]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.025668][ T1296]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.025670][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025671][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025673][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025675][ T1296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.025677][ T1296]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   69.025678][ T1296]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.025681][ T1296]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.025683][ T1296]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.025685][ T1296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.025687][ T1296]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.025688][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025690][ T1296]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.025691][ T1296]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   69.025693][ T1296]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   69.025695][ T1296]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.025697][ T1296]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.025699][ T1296]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.025702][ T1296]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.025704][ T1296]  ? __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)
[   69.025707][ T1296]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   69.025708][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025710][ T1296]  _printk (kernel/printk/printk.c:2504)
[   69.025713][ T1296]  ? snapshot_read.cold (user.c:?)
[   69.025715][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025717][ T1296]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.025719][ T1296]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   69.025721][ T1296] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   69.025733][ T1296] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   69.025741][ T1296] new_nbp (net/bridge/br_if.c:449) bridge
[   69.025750][ T1296] br_add_if (net/bridge/br_if.c:592) bridge
[   69.025757][ T1296]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   69.025760][ T1296]  do_set_master (net/core/rtnetlink.c:3071)
[   69.025764][ T1296]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   69.025766][ T1296]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   69.025767][ T1296]  ? __dev_get_by_name (net/core/dev.c:905)
[   69.025770][ T1296]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   69.025774][ T1296]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   69.025776][ T1296]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   69.025778][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025780][ T1296]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.025782][ T1296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.025783][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025785][ T1296]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   69.025788][ T1296]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   69.025791][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025792][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025794][ T1296]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   69.025798][ T1296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.025799][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025801][ T1296]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.025802][ T1296]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.025804][ T1296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.025805][ T1296]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   69.025808][ T1296]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   69.025812][ T1296]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.025815][ T1296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.025816][ T1296]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.025818][ T1296]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.025819][ T1296]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   69.025821][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025823][ T1296]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.025825][ T1296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.025827][ T1296]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.025829][ T1296]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   69.025832][ T1296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.025833][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025835][ T1296]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.025837][ T1296]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.025839][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025841][ T1296]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.025843][ T1296]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   69.025846][ T1296]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.025847][ T1296]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   69.025849][ T1296]  ? move_addr_to_kernel (net/socket.c:258)
[   69.025851][ T1296]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   69.025854][ T1296]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   69.025857][ T1296]  ___sys_sendmsg (net/socket.c:2767)
[   69.025859][ T1296]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.025864][ T1296]  __sys_sendmsg (net/socket.c:2799)
[   69.025866][ T1296]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.025868][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025870][ T1296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.025872][ T1296]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.025874][ T1296]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.025877][ T1296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.025878][ T1296] RIP: 0033:0x7f218641a54e
[   69.025881][ T1296] 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
[   69.025882][ T1296] RSP: 002b:00007ffefe5a8570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.025886][ T1296] RAX: ffffffffffffffda RBX: 00007ffefe5a8d28 RCX: 00007f218641a54e
[   69.025888][ T1296] RDX: 0000000000000000 RSI: 00007ffefe5a8620 RDI: 0000000000000005
[   69.025889][ T1296] RBP: 00007ffefe5a8580 R08: 0000000000000000 R09: 0000000000000000
[   69.025890][ T1296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126f7
[   69.025890][ T1296] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefe5a8ce0
| [  115.058936][T17888] softirqs last disabled at (0): 0x0
| [  115.058938][T17888] Preemption disabled at:
| [  115.058938][T17888] vprintk_emit (kernel/printk/printk.c:2471)
| [  115.058950][T17888] Tainted: [W]=WARN
[  115.058951][T17888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  115.058952][T17888] Call Trace:
[  115.058954][T17888]  <TASK>
[  115.058955][T17888]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  115.058960][T17888]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  115.058962][T17888]  __might_resched.cold (kernel/sched/core.c:9234)
[  115.058973][T17888]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  115.058976][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.058980][T17888]  __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))
[  115.058985][T17888]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  115.058988][T17888]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.058992][T17888]  ? 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)
[  115.058994][T17888]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.058996][T17888]  put_chars (drivers/char/virtio_console.c:1176)
[  115.058998][T17888]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  115.058999][T17888]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  115.059002][T17888]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  115.059005][T17888]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  115.059007][T17888]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  115.059008][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059010][T17888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.059012][T17888]  console_emit_next_record (kernel/printk/printk.c:3183)
[  115.059015][T17888]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  115.059017][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059019][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059020][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059022][T17888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.059024][T17888]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  115.059026][T17888]  console_flush_one_record (kernel/printk/printk.c:3268)
[  115.059028][T17888]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  115.059031][T17888]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  115.059032][T17888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.059034][T17888]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  115.059036][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059037][T17888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.059039][T17888]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  115.059040][T17888]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  115.059042][T17888]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  115.059044][T17888]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  115.059046][T17888]  vprintk_emit (kernel/printk/printk.c:2479)
[  115.059048][T17888]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  115.059050][T17888]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  115.059053][T17888]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  115.059056][T17888]  ? ___sys_sendmsg (net/socket.c:2767)
[  115.059058][T17888]  ? __sys_sendmsg (net/socket.c:2799)
[  115.059060][T17888]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  115.059062][T17888]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.059065][T17888]  _printk (kernel/printk/printk.c:2504)
[  115.059068][T17888]  ? snapshot_read.cold (user.c:?)
[  115.059069][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059071][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059073][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059075][T17888]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  115.059078][T17888]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  115.059081][T17888]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  115.059083][T17888]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  115.059084][T17888]  ? netdev_notice (net/core/dev.c:13194)
[  115.059086][T17888]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  115.059089][T17888]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  115.059090][T17888]  ? trace_contention_end (./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/lock.h:121)
[  115.059092][T17888]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  115.059095][T17888]  dev_set_allmulti (net/core/dev_api.c:315)
[  115.059098][T17888] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  115.059111][T17888]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  115.059114][T17888] br_dev_delete (net/bridge/br_if.c:387) bridge
[  115.059121][T17888]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  115.059124][T17888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.059126][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059128][T17888]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  115.059130][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059137][T17888]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  115.059139][T17888]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.059141][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059142][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059144][T17888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.059146][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059147][T17888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.059149][T17888]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  115.059152][T17888]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  115.059154][T17888]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  115.059156][T17888]  ? __kernel_text_address (kernel/extable.c:79)
[  115.059158][T17888]  ? write_profile (profile.c:?)
[  115.059160][T17888]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  115.059162][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059163][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059165][T17888]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  115.059169][T17888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.059170][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059172][T17888]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  115.059174][T17888]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  115.059176][T17888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.059177][T17888]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  115.059179][T17888]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  115.059182][T17888]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  115.059184][T17888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.059185][T17888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.059187][T17888]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  115.059188][T17888]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  115.059191][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059193][T17888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.059195][T17888]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  115.059196][T17888]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  115.059198][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059200][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059202][T17888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.059203][T17888]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  115.059205][T17888]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  115.059207][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059209][T17888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.059211][T17888]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  115.059212][T17888]  ? copy_msghdr_from_user (net/socket.c:2650)
[  115.059214][T17888]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  115.059216][T17888]  ? move_addr_to_kernel (net/socket.c:258)
[  115.059217][T17888]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  115.059220][T17888]  ___sys_sendmsg (net/socket.c:2767)
[  115.059221][T17888]  ? copy_msghdr_from_user (net/socket.c:2619)
[  115.059226][T17888]  __sys_sendmsg (net/socket.c:2799)
[  115.059228][T17888]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  115.059231][T17888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.059233][T17888]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  115.059234][T17888]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  115.059237][T17888]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.059238][T17888] RIP: 0033:0x7fd34b79b54e
[  115.059240][T17888] 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
[  115.059242][T17888] RSP: 002b:00007ffe846cace0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  115.059246][T17888] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd34b79b54e
[  115.059247][T17888] RDX: 0000000000000000 RSI: 00007ffe846cad90 RDI: 0000000000000005
[  115.059248][T17888] RBP: 00007ffe846cacf0 R08: 0000000000000000 R09: 0000000000000000
[  115.059249][T17888] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912725
[  115.059250][T17888] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe846cb450
| [  116.741855][T17925] softirqs last disabled at (0): 0x0
| [  116.741857][T17925] Preemption disabled at:
| [  116.741858][T17925] vprintk_emit (kernel/printk/printk.c:2471)
| [  116.741869][T17925] Tainted: [W]=WARN
[  116.741870][T17925] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.741872][T17925] Call Trace:
[  116.741873][T17925]  <TASK>
[  116.741874][T17925]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  116.741880][T17925]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  116.741882][T17925]  __might_resched.cold (kernel/sched/core.c:9234)
[  116.741885][T17925]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  116.741889][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741892][T17925]  __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))
[  116.741896][T17925]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.741898][T17925]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.741902][T17925]  ? 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)
[  116.741904][T17925]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.741906][T17925]  put_chars (drivers/char/virtio_console.c:1176)
[  116.741908][T17925]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  116.741910][T17925]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  116.741912][T17925]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  116.741915][T17925]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  116.741917][T17925]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.741918][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741920][T17925]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.741922][T17925]  console_emit_next_record (kernel/printk/printk.c:3183)
[  116.741925][T17925]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  116.741927][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741929][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741930][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741932][T17925]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.741934][T17925]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  116.741936][T17925]  console_flush_one_record (kernel/printk/printk.c:3268)
[  116.741938][T17925]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  116.741941][T17925]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  116.741942][T17925]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.741944][T17925]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  116.741945][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741947][T17925]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.741948][T17925]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  116.741950][T17925]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  116.741952][T17925]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  116.741954][T17925]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  116.741956][T17925]  vprintk_emit (kernel/printk/printk.c:2479)
[  116.741958][T17925]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  116.741960][T17925]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.741964][T17925]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  116.741966][T17925]  ? ___sys_sendmsg (net/socket.c:2767)
[  116.741968][T17925]  ? __sys_sendmsg (net/socket.c:2799)
[  116.741970][T17925]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.741972][T17925]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.741984][T17925]  _printk (kernel/printk/printk.c:2504)
[  116.741987][T17925]  ? snapshot_read.cold (user.c:?)
[  116.741988][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741990][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741992][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.741994][T17925]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  116.741996][T17925]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  116.741999][T17925]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  116.742001][T17925]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  116.742003][T17925]  ? netdev_notice (net/core/dev.c:13194)
[  116.742004][T17925]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  116.742007][T17925]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  116.742009][T17925]  ? trace_contention_end (./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/lock.h:121)
[  116.742011][T17925]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  116.742014][T17925]  dev_set_allmulti (net/core/dev_api.c:315)
[  116.742016][T17925] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  116.742029][T17925]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  116.742032][T17925] br_dev_delete (net/bridge/br_if.c:387) bridge
[  116.742039][T17925]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  116.742042][T17925]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.742043][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742045][T17925]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  116.742048][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742054][T17925]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  116.742057][T17925]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.742058][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742060][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742062][T17925]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.742063][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742065][T17925]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.742066][T17925]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  116.742070][T17925]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  116.742072][T17925]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  116.742074][T17925]  ? __kernel_text_address (kernel/extable.c:79)
[  116.742075][T17925]  ? write_profile (profile.c:?)
[  116.742077][T17925]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  116.742079][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742080][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742082][T17925]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  116.742086][T17925]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.742087][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742089][T17925]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  116.742091][T17925]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  116.742093][T17925]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.742094][T17925]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  116.742096][T17925]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  116.742100][T17925]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  116.742101][T17925]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.742102][T17925]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.742104][T17925]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  116.742105][T17925]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  116.742108][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742109][T17925]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.742111][T17925]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.742113][T17925]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  116.742115][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742117][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742118][T17925]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.742120][T17925]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  116.742122][T17925]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  116.742124][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742126][T17925]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.742128][T17925]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  116.742129][T17925]  ? copy_msghdr_from_user (net/socket.c:2650)
[  116.742131][T17925]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  116.742132][T17925]  ? move_addr_to_kernel (net/socket.c:258)
[  116.742134][T17925]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  116.742136][T17925]  ___sys_sendmsg (net/socket.c:2767)
[  116.742138][T17925]  ? copy_msghdr_from_user (net/socket.c:2619)
[  116.742143][T17925]  __sys_sendmsg (net/socket.c:2799)
[  116.742145][T17925]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  116.742148][T17925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.742150][T17925]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.742151][T17925]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  116.742153][T17925]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.742155][T17925] RIP: 0033:0x7fd82d3bd54e
[  116.742157][T17925] 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
[  116.742159][T17925] RSP: 002b:00007ffffc98e020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  116.742163][T17925] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd82d3bd54e
[  116.742164][T17925] RDX: 0000000000000000 RSI: 00007ffffc98e0d0 RDI: 0000000000000005
[  116.742165][T17925] RBP: 00007ffffc98e030 R08: 0000000000000000 R09: 0000000000000000
[  116.742166][T17925] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912727
[  116.742167][T17925] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffc98e790
| [  118.555074][T17963] softirqs last disabled at (0): 0x0
| [  118.555076][T17963] Preemption disabled at:
| [  118.555077][T17963] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.555087][T17963] Tainted: [W]=WARN
[  118.555089][T17963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.555090][T17963] Call Trace:
[  118.555091][T17963]  <TASK>
[  118.555093][T17963]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.555098][T17963]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.555100][T17963]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.555104][T17963]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.555108][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555112][T17963]  __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))
[  118.555115][T17963]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.555118][T17963]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.555122][T17963]  ? 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)
[  118.555123][T17963]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.555125][T17963]  put_chars (drivers/char/virtio_console.c:1176)
[  118.555127][T17963]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.555129][T17963]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  118.555131][T17963]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  118.555134][T17963]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.555138][T17963]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.555139][T17963]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.555141][T17963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.555143][T17963]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.555145][T17963]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.555148][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555149][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555151][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555153][T17963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.555155][T17963]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  118.555156][T17963]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.555159][T17963]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.555162][T17963]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.555164][T17963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.555165][T17963]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.555167][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555169][T17963]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.555170][T17963]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  118.555172][T17963]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  118.555174][T17963]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.555176][T17963]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.555178][T17963]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.555180][T17963]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.555182][T17963]  ? __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)
[  118.555186][T17963]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  118.555187][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555189][T17963]  _printk (kernel/printk/printk.c:2504)
[  118.555192][T17963]  ? snapshot_read.cold (user.c:?)
[  118.555194][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555196][T17963]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.555198][T17963]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  118.555200][T17963] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  118.555213][T17963] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  118.555221][T17963] new_nbp (net/bridge/br_if.c:449) bridge
[  118.555230][T17963] br_add_if (net/bridge/br_if.c:592) bridge
[  118.555237][T17963]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  118.555240][T17963]  do_set_master (net/core/rtnetlink.c:3071)
[  118.555244][T17963]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  118.555246][T17963]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  118.555247][T17963]  ? __dev_get_by_name (net/core/dev.c:905)
[  118.555249][T17963]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  118.555253][T17963]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  118.555256][T17963]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  118.555258][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555260][T17963]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.555261][T17963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.555263][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555265][T17963]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  118.555269][T17963]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  118.555271][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555272][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555274][T17963]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  118.555278][T17963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.555280][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555282][T17963]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.555283][T17963]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.555285][T17963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.555286][T17963]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.555289][T17963]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.555293][T17963]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.555296][T17963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.555297][T17963]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.555299][T17963]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.555300][T17963]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  118.555303][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555304][T17963]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.555306][T17963]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.555308][T17963]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.555310][T17963]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  118.555313][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555314][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555316][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555318][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555320][T17963]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.555322][T17963]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.555324][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555326][T17963]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.555328][T17963]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.555331][T17963]  ? copy_msghdr_from_user (net/socket.c:2650)
[  118.555332][T17963]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  118.555334][T17963]  ? move_addr_to_kernel (net/socket.c:258)
[  118.555336][T17963]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  118.555339][T17963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.555341][T17963]  ___sys_sendmsg (net/socket.c:2767)
[  118.555342][T17963]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  118.555345][T17963]  ? copy_msghdr_from_user (net/socket.c:2619)
[  118.555347][T17963]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  118.555352][T17963]  __sys_sendmsg (net/socket.c:2799)
[  118.555354][T17963]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  118.555356][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555358][T17963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.555360][T17963]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.555362][T17963]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.555364][T17963]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.555366][T17963] RIP: 0033:0x7fe96896854e
[  118.555369][T17963] 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
[  118.555370][T17963] RSP: 002b:00007fff3ca8fd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  118.555374][T17963] RAX: ffffffffffffffda RBX: 00007fff3ca904f8 RCX: 00007fe96896854e
[  118.555376][T17963] RDX: 0000000000000000 RSI: 00007fff3ca8fdf0 RDI: 0000000000000005
[  118.555377][T17963] RBP: 00007fff3ca8fd50 R08: 0000000000000000 R09: 0000000000000000
[  118.555377][T17963] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912729
[  118.555378][T17963] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3ca904b0
| [  119.566223][T18031] softirqs last disabled at (0): 0x0
| [  119.566225][T18031] Preemption disabled at:
| [  119.566226][T18031] vprintk_emit (kernel/printk/printk.c:2471)
| [  119.566237][T18031] Tainted: [W]=WARN
[  119.566238][T18031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.566240][T18031] Call Trace:
[  119.566242][T18031]  <TASK>
[  119.566243][T18031]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  119.566248][T18031]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  119.566250][T18031]  __might_resched.cold (kernel/sched/core.c:9234)
[  119.566254][T18031]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  119.566257][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566262][T18031]  __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))
[  119.566265][T18031]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.566268][T18031]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.566271][T18031]  ? 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)
[  119.566273][T18031]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.566275][T18031]  put_chars (drivers/char/virtio_console.c:1176)
[  119.566277][T18031]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  119.566278][T18031]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  119.566280][T18031]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  119.566283][T18031]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  119.566286][T18031]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  119.566288][T18031]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.566289][T18031]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.566292][T18031]  console_emit_next_record (kernel/printk/printk.c:3183)
[  119.566294][T18031]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  119.566296][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566298][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566300][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566301][T18031]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.566303][T18031]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  119.566305][T18031]  console_flush_one_record (kernel/printk/printk.c:3268)
[  119.566307][T18031]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  119.566310][T18031]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  119.566312][T18031]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.566313][T18031]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  119.566315][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566316][T18031]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.566318][T18031]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  119.566319][T18031]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  119.566321][T18031]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  119.566323][T18031]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  119.566325][T18031]  vprintk_emit (kernel/printk/printk.c:2479)
[  119.566328][T18031]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  119.566330][T18031]  ? __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)
[  119.566333][T18031]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  119.566334][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566336][T18031]  _printk (kernel/printk/printk.c:2504)
[  119.566339][T18031]  ? snapshot_read.cold (user.c:?)
[  119.566341][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566343][T18031]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.566345][T18031]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  119.566347][T18031] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  119.566359][T18031] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  119.566367][T18031] new_nbp (net/bridge/br_if.c:449) bridge
[  119.566376][T18031] br_add_if (net/bridge/br_if.c:592) bridge
[  119.566384][T18031]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  119.566386][T18031]  do_set_master (net/core/rtnetlink.c:3071)
[  119.566390][T18031]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  119.566392][T18031]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  119.566394][T18031]  ? __dev_get_by_name (net/core/dev.c:905)
[  119.566396][T18031]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  119.566400][T18031]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  119.566402][T18031]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  119.566404][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566406][T18031]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  119.566408][T18031]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.566409][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566411][T18031]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  119.566415][T18031]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  119.566417][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566419][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566420][T18031]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  119.566424][T18031]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.566425][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566427][T18031]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  119.566429][T18031]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  119.566430][T18031]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.566432][T18031]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.566434][T18031]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  119.566438][T18031]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  119.566441][T18031]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.566443][T18031]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.566444][T18031]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  119.566446][T18031]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  119.566448][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566450][T18031]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.566452][T18031]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.566454][T18031]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  119.566455][T18031]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  119.566459][T18031]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.566460][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566462][T18031]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  119.566464][T18031]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  119.566466][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566469][T18031]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.566472][T18031]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  119.566475][T18031]  ? copy_msghdr_from_user (net/socket.c:2650)
[  119.566478][T18031]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  119.566480][T18031]  ? move_addr_to_kernel (net/socket.c:258)
[  119.566482][T18031]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  119.566484][T18031]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  119.566487][T18031]  ___sys_sendmsg (net/socket.c:2767)
[  119.566489][T18031]  ? copy_msghdr_from_user (net/socket.c:2619)
[  119.566494][T18031]  __sys_sendmsg (net/socket.c:2799)
[  119.566496][T18031]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  119.566499][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566501][T18031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.566503][T18031]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.566505][T18031]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  119.566507][T18031]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.566509][T18031] RIP: 0033:0x7fd955efb54e
[  119.566511][T18031] 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
[  119.566513][T18031] RSP: 002b:00007ffd591acd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  119.566517][T18031] RAX: ffffffffffffffda RBX: 00007ffd591ad528 RCX: 00007fd955efb54e
[  119.566518][T18031] RDX: 0000000000000000 RSI: 00007ffd591ace20 RDI: 0000000000000005
[  119.566519][T18031] RBP: 00007ffd591acd80 R08: 0000000000000000 R09: 0000000000000000
[  119.566520][T18031] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91272a
[  119.566521][T18031] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd591ad4e0
| [  164.548668][ T2158] softirqs last disabled at (0): 0x0
| [  164.548670][ T2158] Preemption disabled at:
| [  164.548671][ T2158] vprintk_emit (kernel/printk/printk.c:2471)
| [  164.548682][ T2158] Tainted: [W]=WARN
[  164.548683][ T2158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  164.548685][ T2158] Call Trace:
[  164.548687][ T2158]  <TASK>
[  164.548688][ T2158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  164.548694][ T2158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  164.548696][ T2158]  __might_resched.cold (kernel/sched/core.c:9234)
[  164.548700][ T2158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  164.548704][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548708][ T2158]  __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))
[  164.548711][ T2158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  164.548714][ T2158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.548718][ T2158]  ? 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)
[  164.548720][ T2158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.548722][ T2158]  put_chars (drivers/char/virtio_console.c:1176)
[  164.548724][ T2158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  164.548726][ T2158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  164.548728][ T2158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  164.548732][ T2158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  164.548733][ T2158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  164.548735][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548737][ T2158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.548739][ T2158]  console_emit_next_record (kernel/printk/printk.c:3183)
[  164.548741][ T2158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  164.548743][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548745][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548747][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548749][ T2158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.548751][ T2158]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  164.548753][ T2158]  console_flush_one_record (kernel/printk/printk.c:3268)
[  164.548755][ T2158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  164.548758][ T2158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  164.548760][ T2158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.548761][ T2158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  164.548763][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548765][ T2158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.548766][ T2158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  164.548767][ T2158]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  164.548770][ T2158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  164.548772][ T2158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  164.548774][ T2158]  vprintk_emit (kernel/printk/printk.c:2479)
[  164.548776][ T2158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  164.548778][ T2158]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  164.548782][ T2158]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  164.548785][ T2158]  ? ___sys_sendmsg (net/socket.c:2767)
[  164.548786][ T2158]  ? __sys_sendmsg (net/socket.c:2799)
[  164.548788][ T2158]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  164.548791][ T2158]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  164.548793][ T2158]  _printk (kernel/printk/printk.c:2504)
[  164.548796][ T2158]  ? snapshot_read.cold (user.c:?)
[  164.548798][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548800][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548802][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548803][ T2158]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  164.548806][ T2158]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  164.548809][ T2158]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  164.548811][ T2158]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  164.548813][ T2158]  ? netdev_notice (net/core/dev.c:13194)
[  164.548814][ T2158]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  164.548817][ T2158]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  164.548819][ T2158]  ? trace_contention_end (./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/lock.h:121)
[  164.548821][ T2158]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  164.548824][ T2158]  dev_set_allmulti (net/core/dev_api.c:315)
[  164.548827][ T2158] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  164.548840][ T2158]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  164.548843][ T2158] br_dev_delete (net/bridge/br_if.c:387) bridge
[  164.548851][ T2158]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  164.548854][ T2158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.548855][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548857][ T2158]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  164.548860][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548866][ T2158]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  164.548869][ T2158]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  164.548871][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548872][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548874][ T2158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.548876][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548878][ T2158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.548879][ T2158]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  164.548883][ T2158]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  164.548884][ T2158]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  164.548887][ T2158]  ? __kernel_text_address (kernel/extable.c:79)
[  164.548888][ T2158]  ? write_profile (profile.c:?)
[  164.548891][ T2158]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  164.548892][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548894][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548896][ T2158]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  164.548899][ T2158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.548901][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548903][ T2158]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  164.548905][ T2158]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  164.548907][ T2158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  164.548909][ T2158]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  164.548910][ T2158]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  164.548914][ T2158]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  164.548916][ T2158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  164.548917][ T2158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.548919][ T2158]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  164.548920][ T2158]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  164.548923][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548925][ T2158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.548927][ T2158]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  164.548929][ T2158]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  164.548930][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548932][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548934][ T2158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.548936][ T2158]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  164.548938][ T2158]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  164.548940][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548942][ T2158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.548944][ T2158]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  164.548945][ T2158]  ? copy_msghdr_from_user (net/socket.c:2650)
[  164.548947][ T2158]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  164.548949][ T2158]  ? move_addr_to_kernel (net/socket.c:258)
[  164.548950][ T2158]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  164.548953][ T2158]  ___sys_sendmsg (net/socket.c:2767)
[  164.548955][ T2158]  ? copy_msghdr_from_user (net/socket.c:2619)
[  164.548960][ T2158]  __sys_sendmsg (net/socket.c:2799)
[  164.548962][ T2158]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  164.548965][ T2158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.548967][ T2158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  164.548968][ T2158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  164.548970][ T2158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  164.548972][ T2158] RIP: 0033:0x7fa977c7c54e
[  164.548974][ T2158] 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
[  164.548976][ T2158] RSP: 002b:00007ffe8165b620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  164.548982][ T2158] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa977c7c54e
[  164.548984][ T2158] RDX: 0000000000000000 RSI: 00007ffe8165b6d0 RDI: 0000000000000005
[  164.548985][ T2158] RBP: 00007ffe8165b630 R08: 0000000000000000 R09: 0000000000000000
[  164.548986][ T2158] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912757
[  164.548987][ T2158] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8165bd90
| [  166.304024][ T2195] softirqs last disabled at (0): 0x0
| [  166.304026][ T2195] Preemption disabled at:
| [  166.304027][ T2195] vprintk_emit (kernel/printk/printk.c:2471)
| [  166.304038][ T2195] Tainted: [W]=WARN
[  166.304039][ T2195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  166.304040][ T2195] Call Trace:
[  166.304042][ T2195]  <TASK>
[  166.304043][ T2195]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  166.304049][ T2195]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  166.304051][ T2195]  __might_resched.cold (kernel/sched/core.c:9234)
[  166.304055][ T2195]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  166.304058][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304062][ T2195]  __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))
[  166.304066][ T2195]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  166.304069][ T2195]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  166.304073][ T2195]  ? 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)
[  166.304074][ T2195]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  166.304077][ T2195]  put_chars (drivers/char/virtio_console.c:1176)
[  166.304079][ T2195]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  166.304080][ T2195]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  166.304083][ T2195]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  166.304086][ T2195]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  166.304088][ T2195]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  166.304090][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304092][ T2195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.304094][ T2195]  console_emit_next_record (kernel/printk/printk.c:3183)
[  166.304096][ T2195]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  166.304098][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304100][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304102][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304103][ T2195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.304105][ T2195]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  166.304107][ T2195]  console_flush_one_record (kernel/printk/printk.c:3268)
[  166.304110][ T2195]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  166.304112][ T2195]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  166.304114][ T2195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.304116][ T2195]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  166.304117][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304119][ T2195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.304121][ T2195]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  166.304122][ T2195]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  166.304124][ T2195]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  166.304126][ T2195]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  166.304128][ T2195]  vprintk_emit (kernel/printk/printk.c:2479)
[  166.304130][ T2195]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  166.304132][ T2195]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  166.304136][ T2195]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  166.304139][ T2195]  ? ___sys_sendmsg (net/socket.c:2767)
[  166.304140][ T2195]  ? __sys_sendmsg (net/socket.c:2799)
[  166.304142][ T2195]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  166.304145][ T2195]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  166.304147][ T2195]  _printk (kernel/printk/printk.c:2504)
[  166.304150][ T2195]  ? snapshot_read.cold (user.c:?)
[  166.304152][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304154][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304156][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304157][ T2195]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  166.304160][ T2195]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  166.304163][ T2195]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  166.304165][ T2195]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  166.304167][ T2195]  ? netdev_notice (net/core/dev.c:13194)
[  166.304168][ T2195]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  166.304171][ T2195]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  166.304173][ T2195]  ? trace_contention_end (./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/lock.h:121)
[  166.304175][ T2195]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  166.304179][ T2195]  dev_set_allmulti (net/core/dev_api.c:315)
[  166.304181][ T2195] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  166.304194][ T2195]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  166.304197][ T2195] br_dev_delete (net/bridge/br_if.c:387) bridge
[  166.304204][ T2195]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  166.304208][ T2195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.304209][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304211][ T2195]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  166.304213][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304220][ T2195]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  166.304222][ T2195]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  166.304224][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304225][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304227][ T2195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.304229][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304231][ T2195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.304232][ T2195]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  166.304236][ T2195]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  166.304237][ T2195]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  166.304240][ T2195]  ? __kernel_text_address (kernel/extable.c:79)
[  166.304241][ T2195]  ? write_profile (profile.c:?)
[  166.304244][ T2195]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  166.304245][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304247][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304248][ T2195]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  166.304252][ T2195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.304253][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304255][ T2195]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  166.304257][ T2195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  166.304259][ T2195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  166.304261][ T2195]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  166.304262][ T2195]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  166.304266][ T2195]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  166.304268][ T2195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  166.304269][ T2195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.304270][ T2195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  166.304272][ T2195]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  166.304274][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304276][ T2195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.304278][ T2195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  166.304280][ T2195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  166.304281][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304283][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304285][ T2195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.304287][ T2195]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  166.304289][ T2195]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  166.304291][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304292][ T2195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  166.304294][ T2195]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  166.304296][ T2195]  ? copy_msghdr_from_user (net/socket.c:2650)
[  166.304298][ T2195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  166.304299][ T2195]  ? move_addr_to_kernel (net/socket.c:258)
[  166.304300][ T2195]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  166.304303][ T2195]  ___sys_sendmsg (net/socket.c:2767)
[  166.304305][ T2195]  ? copy_msghdr_from_user (net/socket.c:2619)
[  166.304310][ T2195]  __sys_sendmsg (net/socket.c:2799)
[  166.304312][ T2195]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  166.304314][ T2195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.304324][ T2195]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  166.304326][ T2195]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  166.304328][ T2195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  166.304329][ T2195] RIP: 0033:0x7effba21b54e
[  166.304331][ T2195] 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
[  166.304333][ T2195] RSP: 002b:00007ffe4a24e3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  166.304337][ T2195] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007effba21b54e
[  166.304339][ T2195] RDX: 0000000000000000 RSI: 00007ffe4a24e4a0 RDI: 0000000000000005
[  166.304340][ T2195] RBP: 00007ffe4a24e400 R08: 0000000000000000 R09: 0000000000000000
[  166.304341][ T2195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912758
[  166.304341][ T2195] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4a24eb60
| [  179.560110][ T2329] softirqs last disabled at (0): 0x0
| [  179.560112][ T2329] Preemption disabled at:
| [  179.560112][ T2329] vprintk_emit (kernel/printk/printk.c:2471)
| [  179.560124][ T2329] Tainted: [W]=WARN
[  179.560125][ T2329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  179.560126][ T2329] Call Trace:
[  179.560128][ T2329]  <TASK>
[  179.560130][ T2329]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  179.560135][ T2329]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  179.560137][ T2329]  __might_resched.cold (kernel/sched/core.c:9234)
[  179.560141][ T2329]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  179.560145][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560149][ T2329]  __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))
[  179.560152][ T2329]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.560155][ T2329]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.560159][ T2329]  ? 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)
[  179.560161][ T2329]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.560163][ T2329]  put_chars (drivers/char/virtio_console.c:1176)
[  179.560165][ T2329]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  179.560166][ T2329]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  179.560168][ T2329]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  179.560171][ T2329]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  179.560174][ T2329]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  179.560175][ T2329]  ? 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)
[  179.560177][ T2329]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.560178][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560180][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560182][ T2329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.560184][ T2329]  console_emit_next_record (kernel/printk/printk.c:3183)
[  179.560187][ T2329]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  179.560189][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560190][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560192][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560193][ T2329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.560195][ T2329]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  179.560197][ T2329]  console_flush_one_record (kernel/printk/printk.c:3268)
[  179.560199][ T2329]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  179.560202][ T2329]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  179.560204][ T2329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.560205][ T2329]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  179.560207][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560209][ T2329]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.560210][ T2329]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  179.560212][ T2329]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  179.560214][ T2329]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  179.560216][ T2329]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  179.560217][ T2329]  vprintk_emit (kernel/printk/printk.c:2479)
[  179.560220][ T2329]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  179.560223][ T2329]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  179.560225][ T2329]  _printk (kernel/printk/printk.c:2504)
[  179.560229][ T2329]  ? snapshot_read.cold (user.c:?)
[  179.560231][ T2329]  ? 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)
[  179.560233][ T2329] gact_init_module (net/sched/act_gact.c:180) act_gact
[  179.560235][ T2329]  do_one_initcall (init/main.c:1357)
[  179.560237][ T2329]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  179.560240][ T2329]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  179.560243][ T2329]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  179.560246][ T2329]  do_init_module (kernel/module/main.c:3117)
[  179.560248][ T2329]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  179.560250][ T2329]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  179.560253][ T2329]  load_module (kernel/module/main.c:3593)
[  179.560256][ T2329]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  179.560258][ T2329]  ? __ia32_sys_fsconfig (??:?)
[  179.560261][ T2329]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  179.560265][ T2329]  ? backing_file_read_iter (fs/backing-file.c:211)
[  179.560268][ T2329]  init_module_from_file (kernel/module/main.c:3790)
[  179.560270][ T2329]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  179.560272][ T2329]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  179.560275][ T2329]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  179.560278][ T2329]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.560279][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560281][ T2329]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.560283][ T2329]  ? 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)
[  179.560285][ T2329]  idempotent_init_module (kernel/module/main.c:3802)
[  179.560287][ T2329]  ? init_module_from_file (kernel/module/main.c:3791)
[  179.560290][ T2329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.560292][ T2329]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  179.560295][ T2329]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  179.560297][ T2329]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  179.560300][ T2329]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  179.560303][ T2329]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  179.560306][ T2329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  179.560308][ T2329] RIP: 0033:0x7fa5db92c37d
[  179.560310][ T2329] 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
[  179.560312][ T2329] RSP: 002b:00007ffe3b8aea18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  179.560315][ T2329] RAX: ffffffffffffffda RBX: 000055b0c03dd810 RCX: 00007fa5db92c37d
[  179.560317][ T2329] RDX: 0000000000000000 RSI: 000055b0b4db7ffd RDI: 0000000000000000
[  179.560318][ T2329] RBP: 00007ffe3b8aeab0 R08: 0000000000000000 R09: 0000000000000000
[  179.560319][ T2329] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b0b4db7ffd
[  179.560320][ T2329] R13: 000055b0c03dd960 R14: 0000000000040000 R15: 0000000000000000
| [  195.498162][ T2955] softirqs last disabled at (0): 0x0
| [  195.498164][ T2955] Preemption disabled at:
| [  195.498164][ T2955] 0x0
| [  195.498173][ T2955] Tainted: [W]=WARN
[  195.498174][ T2955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  195.498176][ T2955] Call Trace:
[  195.498177][ T2955]  <TASK>
[  195.498178][ T2955]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  195.498184][ T2955]  __might_resched.cold (kernel/sched/core.c:9234)
[  195.498189][ T2955]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  195.498193][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498197][ T2955]  __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))
[  195.498200][ T2955]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.498203][ T2955]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.498207][ T2955]  ? 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)
[  195.498209][ T2955]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.498211][ T2955]  put_chars (drivers/char/virtio_console.c:1176)
[  195.498214][ T2955]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  195.498215][ T2955]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  195.498219][ T2955]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  195.498222][ T2955]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  195.498224][ T2955]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.498226][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498228][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.498230][ T2955]  console_emit_next_record (kernel/printk/printk.c:3183)
[  195.498233][ T2955]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  195.498235][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498236][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498238][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498240][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.498242][ T2955]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  195.498244][ T2955]  console_flush_one_record (kernel/printk/printk.c:3268)
[  195.498246][ T2955]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  195.498249][ T2955]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  195.498251][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.498252][ T2955]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  195.498254][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498256][ T2955]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.498257][ T2955]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  195.498259][ T2955]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  195.498261][ T2955]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  195.498263][ T2955]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  195.498265][ T2955]  vprintk_emit (kernel/printk/printk.c:2479)
[  195.498268][ T2955]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  195.498270][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498272][ T2955]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  195.498274][ T2955]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  195.498276][ T2955]  _printk (kernel/printk/printk.c:2504)
[  195.498279][ T2955]  ? snapshot_read.cold (user.c:?)
[  195.498282][ T2955]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  195.498286][ T2955] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  195.498300][ T2955] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  195.498308][ T2955] br_device_event (net/bridge/br.c:111) bridge
[  195.498317][ T2955]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  195.498320][ T2955]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  195.498322][ T2955]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  195.498326][ T2955]  notifier_call_chain (kernel/notifier.c:85)
[  195.498329][ T2955]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  195.498333][ T2955]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  195.498335][ T2955]  ? netif_change_name (net/core/dev.c:1517)
[  195.498337][ T2955]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  195.498339][ T2955]  ? __kernel_text_address (kernel/extable.c:79)
[  195.498341][ T2955]  ? write_profile (profile.c:?)
[  195.498343][ T2955]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  195.498347][ T2955]  netif_change_flags (net/core/dev.c:9882)
[  195.498349][ T2955]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  195.498352][ T2955]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  195.498354][ T2955]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  195.498355][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498357][ T2955]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  195.498361][ T2955]  ? kasan_save_stack (mm/kasan/common.c:58)
[  195.498364][ T2955]  ? kasan_save_stack (mm/kasan/common.c:57)
[  195.498365][ T2955]  ? kasan_save_track (mm/kasan/common.c:78)
[  195.498367][ T2955]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  195.498369][ T2955]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  195.498370][ T2955]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  195.498371][ T2955]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  195.498373][ T2955]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  195.498375][ T2955]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  195.498377][ T2955]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  195.498378][ T2955]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  195.498381][ T2955]  ? ___sys_sendmsg (net/socket.c:2767)
[  195.498382][ T2955]  ? __sys_sendmsg (net/socket.c:2799)
[  195.498384][ T2955]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  195.498386][ T2955]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  195.498388][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498390][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.498392][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498394][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498396][ T2955]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  195.498399][ T2955]  ? __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)
[  195.498400][ T2955]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  195.498402][ T2955]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  195.498403][ T2955]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  195.498406][ T2955]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  195.498408][ T2955]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  195.498410][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498412][ T2955]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  195.498413][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.498414][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498416][ T2955]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  195.498420][ T2955]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  195.498422][ T2955]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  195.498423][ T2955]  ? __kernel_text_address (kernel/extable.c:79)
[  195.498424][ T2955]  ? write_profile (profile.c:?)
[  195.498425][ T2955]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  195.498427][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498429][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498430][ T2955]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  195.498434][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.498435][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498437][ T2955]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  195.498439][ T2955]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  195.498440][ T2955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  195.498442][ T2955]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  195.498443][ T2955]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  195.498446][ T2955]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  195.498447][ T2955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  195.498449][ T2955]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.498450][ T2955]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  195.498452][ T2955]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  195.498454][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498456][ T2955]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.498458][ T2955]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  195.498460][ T2955]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  195.498462][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498464][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498465][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.498468][ T2955]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  195.498471][ T2955]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  195.498474][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498477][ T2955]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.498479][ T2955]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  195.498481][ T2955]  ? copy_msghdr_from_user (net/socket.c:2650)
[  195.498483][ T2955]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  195.498484][ T2955]  ? move_addr_to_kernel (net/socket.c:258)
[  195.498486][ T2955]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  195.498489][ T2955]  ___sys_sendmsg (net/socket.c:2767)
[  195.498490][ T2955]  ? copy_msghdr_from_user (net/socket.c:2619)
[  195.498496][ T2955]  __sys_sendmsg (net/socket.c:2799)
[  195.498497][ T2955]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  195.498500][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.498503][ T2955]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  195.498504][ T2955]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  195.498506][ T2955]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  195.498508][ T2955] RIP: 0033:0x7f2188db654e
[  195.498510][ T2955] 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
[  195.498512][ T2955] RSP: 002b:00007ffd9e7355d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  195.498523][ T2955] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2188db654e
[  195.498525][ T2955] RDX: 0000000000000000 RSI: 00007ffd9e735680 RDI: 0000000000000005
[  195.498526][ T2955] RBP: 00007ffd9e7355e0 R08: 0000000000000000 R09: 0000000000000000
[  195.498527][ T2955] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912775
[  195.498528][ T2955] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9e735d40
| [  211.685738][ T3047] softirqs last disabled at (0): 0x0
| [  211.685740][ T3047] Preemption disabled at:
| [  211.685741][ T3047] 0x0
| [  211.685750][ T3047] Tainted: [W]=WARN
[  211.685751][ T3047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.685753][ T3047] Call Trace:
[  211.685754][ T3047]  <TASK>
[  211.685755][ T3047]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  211.685761][ T3047]  __might_resched.cold (kernel/sched/core.c:9234)
[  211.685765][ T3047]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  211.685769][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685773][ T3047]  __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))
[  211.685777][ T3047]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.685780][ T3047]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.685784][ T3047]  ? 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)
[  211.685785][ T3047]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.685787][ T3047]  put_chars (drivers/char/virtio_console.c:1176)
[  211.685789][ T3047]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  211.685791][ T3047]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  211.685795][ T3047]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  211.685798][ T3047]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  211.685800][ T3047]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.685802][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685804][ T3047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.685806][ T3047]  console_emit_next_record (kernel/printk/printk.c:3183)
[  211.685809][ T3047]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  211.685811][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685812][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685814][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685816][ T3047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.685818][ T3047]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  211.685820][ T3047]  console_flush_one_record (kernel/printk/printk.c:3268)
[  211.685822][ T3047]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  211.685825][ T3047]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  211.685827][ T3047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.685828][ T3047]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  211.685830][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685832][ T3047]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.685833][ T3047]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  211.685835][ T3047]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  211.685837][ T3047]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  211.685838][ T3047]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  211.685841][ T3047]  vprintk_emit (kernel/printk/printk.c:2479)
[  211.685843][ T3047]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  211.685845][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685847][ T3047]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  211.685850][ T3047]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  211.685851][ T3047]  _printk (kernel/printk/printk.c:2504)
[  211.685854][ T3047]  ? snapshot_read.cold (user.c:?)
[  211.685857][ T3047]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  211.685861][ T3047] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  211.685874][ T3047] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  211.685883][ T3047] br_device_event (net/bridge/br.c:111) bridge
[  211.685891][ T3047]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  211.685895][ T3047]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  211.685898][ T3047]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  211.685901][ T3047]  notifier_call_chain (kernel/notifier.c:85)
[  211.685905][ T3047]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  211.685908][ T3047]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  211.685910][ T3047]  ? netif_change_name (net/core/dev.c:1517)
[  211.685912][ T3047]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  211.685914][ T3047]  ? __kernel_text_address (kernel/extable.c:79)
[  211.685917][ T3047]  ? write_profile (profile.c:?)
[  211.685919][ T3047]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  211.685922][ T3047]  netif_change_flags (net/core/dev.c:9882)
[  211.685925][ T3047]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  211.685928][ T3047]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  211.685929][ T3047]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  211.685931][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685933][ T3047]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  211.685937][ T3047]  ? kasan_save_stack (mm/kasan/common.c:58)
[  211.685940][ T3047]  ? kasan_save_stack (mm/kasan/common.c:57)
[  211.685941][ T3047]  ? kasan_save_track (mm/kasan/common.c:78)
[  211.685943][ T3047]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  211.685944][ T3047]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  211.685946][ T3047]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  211.685947][ T3047]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  211.685948][ T3047]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.685951][ T3047]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.685953][ T3047]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.685954][ T3047]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  211.685957][ T3047]  ? ___sys_sendmsg (net/socket.c:2767)
[  211.685958][ T3047]  ? __sys_sendmsg (net/socket.c:2799)
[  211.685960][ T3047]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.685962][ T3047]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.685964][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685966][ T3047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.685968][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685970][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685972][ T3047]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  211.685975][ T3047]  ? __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)
[  211.685976][ T3047]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  211.685978][ T3047]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  211.685982][ T3047]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  211.685985][ T3047]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  211.685987][ T3047]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  211.685989][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685991][ T3047]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  211.685992][ T3047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.685994][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.685996][ T3047]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  211.685999][ T3047]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  211.686001][ T3047]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  211.686002][ T3047]  ? __kernel_text_address (kernel/extable.c:79)
[  211.686004][ T3047]  ? write_profile (profile.c:?)
[  211.686005][ T3047]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  211.686006][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.686008][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.686010][ T3047]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  211.686013][ T3047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.686015][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.686017][ T3047]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  211.686018][ T3047]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  211.686020][ T3047]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  211.686022][ T3047]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  211.686023][ T3047]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  211.686026][ T3047]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.686027][ T3047]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  211.686029][ T3047]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.686030][ T3047]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  211.686032][ T3047]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  211.686034][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.686036][ T3047]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.686038][ T3047]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.686040][ T3047]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  211.686042][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.686043][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.686045][ T3047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.686047][ T3047]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.686049][ T3047]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  211.686051][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.686053][ T3047]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.686055][ T3047]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  211.686057][ T3047]  ? copy_msghdr_from_user (net/socket.c:2650)
[  211.686058][ T3047]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  211.686060][ T3047]  ? move_addr_to_kernel (net/socket.c:258)
[  211.686061][ T3047]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  211.686064][ T3047]  ___sys_sendmsg (net/socket.c:2767)
[  211.686066][ T3047]  ? copy_msghdr_from_user (net/socket.c:2619)
[  211.686071][ T3047]  __sys_sendmsg (net/socket.c:2799)
[  211.686073][ T3047]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  211.686076][ T3047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.686078][ T3047]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.686079][ T3047]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  211.686081][ T3047]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.686083][ T3047] RIP: 0033:0x7f0307c6154e
[  211.686085][ T3047] 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
[  211.686087][ T3047] RSP: 002b:00007ffe633a9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  211.686091][ T3047] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0307c6154e
[  211.686093][ T3047] RDX: 0000000000000000 RSI: 00007ffe633a9a40 RDI: 0000000000000005
[  211.686094][ T3047] RBP: 00007ffe633a99a0 R08: 0000000000000000 R09: 0000000000000000
[  211.686094][ T3047] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912786
[  211.686095][ T3047] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe633aa100
| [  217.416090][ T3101] softirqs last disabled at (0): 0x0
| [  217.416092][ T3101] Preemption disabled at:
| [  217.416093][ T3101] 0x0
| [  217.416101][ T3101] Tainted: [W]=WARN
[  217.416102][ T3101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.416104][ T3101] Call Trace:
[  217.416105][ T3101]  <TASK>
[  217.416106][ T3101]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.416112][ T3101]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.416116][ T3101]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.416120][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416124][ T3101]  __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))
[  217.416127][ T3101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.416130][ T3101]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.416134][ T3101]  ? 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)
[  217.416136][ T3101]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.416138][ T3101]  put_chars (drivers/char/virtio_console.c:1176)
[  217.416140][ T3101]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.416142][ T3101]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  217.416145][ T3101]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.416149][ T3101]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.416151][ T3101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.416152][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416154][ T3101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.416156][ T3101]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.416159][ T3101]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.416161][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416163][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416164][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416166][ T3101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.416168][ T3101]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  217.416170][ T3101]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.416172][ T3101]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.416175][ T3101]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.416177][ T3101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.416178][ T3101]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.416180][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416182][ T3101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.416183][ T3101]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  217.416185][ T3101]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  217.416187][ T3101]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.416189][ T3101]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.416191][ T3101]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.416193][ T3101]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.416195][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416197][ T3101]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.416200][ T3101]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  217.416201][ T3101]  _printk (kernel/printk/printk.c:2504)
[  217.416205][ T3101]  ? snapshot_read.cold (user.c:?)
[  217.416207][ T3101]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  217.416212][ T3101] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  217.416224][ T3101] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  217.416233][ T3101] br_device_event (net/bridge/br.c:111) bridge
[  217.416242][ T3101]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  217.416245][ T3101]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  217.416247][ T3101]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  217.416251][ T3101]  notifier_call_chain (kernel/notifier.c:85)
[  217.416254][ T3101]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  217.416258][ T3101]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.416259][ T3101]  ? netif_change_name (net/core/dev.c:1517)
[  217.416262][ T3101]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  217.416264][ T3101]  ? __kernel_text_address (kernel/extable.c:79)
[  217.416266][ T3101]  ? write_profile (profile.c:?)
[  217.416268][ T3101]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  217.416271][ T3101]  netif_change_flags (net/core/dev.c:9882)
[  217.416273][ T3101]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  217.416277][ T3101]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  217.416278][ T3101]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  217.416279][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416281][ T3101]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  217.416285][ T3101]  ? kasan_save_stack (mm/kasan/common.c:58)
[  217.416288][ T3101]  ? kasan_save_stack (mm/kasan/common.c:57)
[  217.416290][ T3101]  ? kasan_save_track (mm/kasan/common.c:78)
[  217.416291][ T3101]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  217.416293][ T3101]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  217.416294][ T3101]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  217.416295][ T3101]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.416297][ T3101]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.416299][ T3101]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.416301][ T3101]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.416302][ T3101]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  217.416304][ T3101]  ? ___sys_sendmsg (net/socket.c:2767)
[  217.416306][ T3101]  ? __sys_sendmsg (net/socket.c:2799)
[  217.416308][ T3101]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.416310][ T3101]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.416312][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416314][ T3101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.416315][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416317][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416319][ T3101]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  217.416322][ T3101]  ? __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)
[  217.416323][ T3101]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  217.416324][ T3101]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  217.416326][ T3101]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  217.416328][ T3101]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  217.416330][ T3101]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  217.416332][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416334][ T3101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.416335][ T3101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.416337][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416339][ T3101]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  217.416342][ T3101]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  217.416344][ T3101]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  217.416345][ T3101]  ? __kernel_text_address (kernel/extable.c:79)
[  217.416347][ T3101]  ? write_profile (profile.c:?)
[  217.416348][ T3101]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  217.416349][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416351][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416353][ T3101]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  217.416356][ T3101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.416358][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416360][ T3101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.416361][ T3101]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.416363][ T3101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.416364][ T3101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  217.416366][ T3101]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  217.416368][ T3101]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.416370][ T3101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.416371][ T3101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.416372][ T3101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  217.416374][ T3101]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  217.416376][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416378][ T3101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.416380][ T3101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.416382][ T3101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  217.416384][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416385][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416387][ T3101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.416389][ T3101]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.416391][ T3101]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  217.416393][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416395][ T3101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.416397][ T3101]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  217.416398][ T3101]  ? copy_msghdr_from_user (net/socket.c:2650)
[  217.416400][ T3101]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  217.416401][ T3101]  ? move_addr_to_kernel (net/socket.c:258)
[  217.416403][ T3101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  217.416405][ T3101]  ___sys_sendmsg (net/socket.c:2767)
[  217.416407][ T3101]  ? copy_msghdr_from_user (net/socket.c:2619)
[  217.416412][ T3101]  __sys_sendmsg (net/socket.c:2799)
[  217.416414][ T3101]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  217.416417][ T3101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.416419][ T3101]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.416420][ T3101]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  217.416423][ T3101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.416424][ T3101] RIP: 0033:0x7fe7c98f754e
[  217.416426][ T3101] 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
[  217.416428][ T3101] RSP: 002b:00007ffd9fb7b1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  217.416432][ T3101] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe7c98f754e
[  217.416433][ T3101] RDX: 0000000000000000 RSI: 00007ffd9fb7b2a0 RDI: 0000000000000005
[  217.416434][ T3101] RBP: 00007ffd9fb7b200 R08: 0000000000000000 R09: 0000000000000000
[  217.416435][ T3101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91278b


Finger prints:
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars