======================================
| [   11.854069][  T224] softirqs last disabled at (21339): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.854072][  T224] Preemption disabled at:
| [   11.854072][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.854081][  T224] Tainted: [W]=WARN
[   11.854082][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.854084][  T224] Call Trace:
[   11.854085][  T224]  <TASK>
[   11.854088][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.854094][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.854096][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.854101][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.854105][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.854109][  T224]  __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))
[   11.854112][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.854117][  T224]  ? 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)
[   11.854120][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.854123][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   11.854126][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.854127][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.854132][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.854135][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.854139][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.854142][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.854146][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.854149][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.854153][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.854157][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.854159][  T224]  ? 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))
[   11.854162][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.854164][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.854168][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.854172][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.854174][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.854179][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.854181][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.854183][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.854185][  T224]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.854189][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.854190][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.854194][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.854197][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.854203][  T224]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.854207][  T224]  _printk (kernel/printk/printk.c:2504)
[   11.854210][  T224]  ? snapshot_read.cold (user.c:?)
[   11.854216][  T224]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.854219][  T224] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.854222][  T224]  do_one_initcall (init/main.c:1357)
[   11.854225][  T224]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.854229][  T224]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.854232][  T224]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.854237][  T224]  do_init_module (kernel/module/main.c:3117)
[   11.854240][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.854244][  T224]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.854247][  T224]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.854251][  T224]  load_module (kernel/module/main.c:3593)
[   11.854258][  T224]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.854262][  T224]  ? __ia32_sys_fsconfig (??:?)
[   11.854265][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.854267][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.854271][  T224]  init_module_from_file (kernel/module/main.c:3790)
[   11.854274][  T224]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.854281][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.854285][  T224]  ? 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)
[   11.854288][  T224]  idempotent_init_module (kernel/module/main.c:3802)
[   11.854291][  T224]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.854297][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.854299][  T224]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.854306][  T224]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.854308][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.854311][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.854313][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.854315][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.854318][  T224] RIP: 0033:0x7fe1298ea37d
[   11.854321][  T224] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.854322][  T224] RSP: 002b:00007ffeb97a8018 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.854325][  T224] RAX: ffffffffffffffda RBX: 00005628a16d6810 RCX: 00007fe1298ea37d
[   11.854326][  T224] RDX: 0000000000000000 RSI: 000056288fb12ffd RDI: 0000000000000000
[   11.854327][  T224] RBP: 00007ffeb97a80b0 R08: 0000000000000000 R09: 0000000000000000
[   11.854328][  T224] R10: 0000000000000000 R11: 0000000000000246 R12: 000056288fb12ffd
[   11.854329][  T224] R13: 00005628a16d6960 R14: 0000000000040000 R15: 0000000000000000
| [   13.175042][  T268] softirqs last disabled at (14314): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.175046][  T268] Preemption disabled at:
| [   13.175047][  T268] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.175059][  T268] Tainted: [W]=WARN
[   13.175060][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.175063][  T268] Call Trace:
[   13.175065][  T268]  <TASK>
[   13.175067][  T268]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.175074][  T268]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.175077][  T268]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.175084][  T268]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.175094][  T268]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.175102][  T268]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.175106][  T268]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.175114][  T268]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.175118][  T268]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.175123][  T268]  put_chars (drivers/char/virtio_console.c:1176)
[   13.175128][  T268]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.175135][  T268]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.175141][  T268]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.175145][  T268]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.175148][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.175151][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.175158][  T268]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.175161][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.175166][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.175172][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.175179][  T268]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.175185][  T268]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.175188][  T268]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.175193][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.175196][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.175204][  T268]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.175211][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.175213][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.175223][  T268]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.175227][  T268]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.175230][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.175234][  T268]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.175240][  T268]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.175243][  T268]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.175248][  T268]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.175255][  T268]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.175259][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.175261][  T268]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.175271][  T268]  _printk (kernel/printk/printk.c:2504)
[   13.175276][  T268]  ? snapshot_read.cold (user.c:?)
[   13.175283][  T268]  ? br_multicast_flood (??:?) bridge
[   13.175301][  T268]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.175304][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.175306][  T268]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.175314][  T268] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.175332][  T268] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.175347][  T268] new_nbp (net/bridge/br_if.c:449) bridge
[   13.175364][  T268] br_add_if (net/bridge/br_if.c:592) bridge
[   13.175376][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.175382][  T268]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.175386][  T268]  ? __kernel_text_address (kernel/extable.c:79)
[   13.175393][  T268]  do_set_master (net/core/rtnetlink.c:3071)
[   13.175401][  T268]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.175406][  T268]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.175411][  T268]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.175413][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.175416][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.175421][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.175425][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.175429][  T268]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.175433][  T268]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.175437][  T268]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.175440][  T268]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.175444][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.175447][  T268]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.175451][  T268]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.175459][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.175461][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.175466][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.175470][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.175472][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.175475][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.175478][  T268]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.175488][  T268]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.175490][  T268]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.175494][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.175500][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.175503][  T268]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.175512][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.175522][  T268]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.175532][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.175535][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.175543][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.175546][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.175549][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.175553][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.175559][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.175563][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.175568][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.175570][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.175578][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.175581][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.175587][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.175590][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.175595][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.175606][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.175608][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.175616][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.175622][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.175627][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.175634][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.175640][  T268]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.175647][  T268]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.175655][  T268]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.175659][  T268]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.175663][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.175665][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   13.175678][  T268]  ___sys_sendmsg (net/socket.c:2767)
[   13.175683][  T268]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.175712][  T268]  __sys_sendmsg (net/socket.c:2799)
[   13.175716][  T268]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.175728][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.175734][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.175737][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.175742][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.175745][  T268] RIP: 0033:0x7fa4a5b8d54e
[   13.175750][  T268] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.175752][  T268] RSP: 002b:00007ffdb56a5fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.175757][  T268] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa4a5b8d54e
[   13.175759][  T268] RDX: 0000000000000000 RSI: 00007ffdb56a6070 RDI: 0000000000000005
[   13.175760][  T268] RBP: 00007ffdb56a5fd0 R08: 0000000000000000 R09: 0000000000000000
[   13.175762][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e5a5
[   13.175763][  T268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb56a6730
| [   23.579767][  T353] softirqs last disabled at (14632): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   23.579769][  T353] Preemption disabled at:
| [   23.579770][  T353] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.579779][  T353] Tainted: [W]=WARN
[   23.579780][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.579782][  T353] Call Trace:
[   23.579784][  T353]  <TASK>
[   23.579785][  T353]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.579791][  T353]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.579794][  T353]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.579798][  T353]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.579802][  T353]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.579807][  T353]  __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))
[   23.579810][  T353]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.579815][  T353]  ? 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)
[   23.579818][  T353]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.579821][  T353]  put_chars (drivers/char/virtio_console.c:1176)
[   23.579823][  T353]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.579825][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.579830][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.579835][  T353]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.579841][  T353]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.579843][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.579846][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.579850][  T353]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.579854][  T353]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.579855][  T353]  ? 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))
[   23.579859][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.579861][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.579865][  T353]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.579869][  T353]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.579871][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.579876][  T353]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.579879][  T353]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.579880][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.579883][  T353]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.579886][  T353]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.579888][  T353]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.579891][  T353]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.579895][  T353]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.579897][  T353]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.579899][  T353]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.579901][  T353]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.579903][  T353]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.579905][  T353]  ? ___sys_sendmsg (net/socket.c:2767)
[   23.579907][  T353]  ? __sys_sendmsg (net/socket.c:2799)
[   23.579909][  T353]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.579913][  T353]  _printk (kernel/printk/printk.c:2504)
[   23.579917][  T353]  ? snapshot_read.cold (user.c:?)
[   23.579922][  T353]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.579925][  T353]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.579928][  T353]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.579931][  T353]  ? netdev_notice (net/core/dev.c:13194)
[   23.579935][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.579937][  T353]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   23.579940][  T353]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   23.579941][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.579943][  T353]  ? 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)
[   23.579947][  T353]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   23.579951][  T353]  dev_set_allmulti (net/core/dev_api.c:315)
[   23.579955][  T353] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   23.579967][  T353]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   23.579973][  T353] br_del_if (net/bridge/br_if.c:732) bridge
[   23.579981][  T353]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.579984][  T353]  do_set_master (net/core/rtnetlink.c:3055)
[   23.579988][  T353]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.579991][  T353]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.579995][  T353]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.579996][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.579998][  T353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.580002][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.580004][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.580006][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.580009][  T353]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.580012][  T353]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.580013][  T353]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.580016][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.580018][  T353]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   23.580020][  T353]  ? ___sys_sendmsg (net/socket.c:2757)
[   23.580023][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.580025][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.580027][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.580030][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.580031][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.580033][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.580036][  T353]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.580038][  T353]  ? __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)
[   23.580041][  T353]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.580043][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.580046][  T353]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.580048][  T353]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.580053][  T353]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.580058][  T353]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.580063][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.580065][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.580069][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.580071][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.580073][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.580075][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.580079][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.580081][  T353]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.580084][  T353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.580085][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.580092][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.580094][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.580097][  T353]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.580099][  T353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.580102][  T353]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.580108][  T353]  ? 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))
[   23.580109][  T353]  ? 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))
[   23.580113][  T353]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.580117][  T353]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.580120][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.580124][  T353]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.580127][  T353]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.580131][  T353]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.580136][  T353]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.580139][  T353]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.580141][  T353]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.580143][  T353]  ? move_addr_to_kernel (net/socket.c:258)
[   23.580150][  T353]  ___sys_sendmsg (net/socket.c:2767)
[   23.580153][  T353]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.580168][  T353]  __sys_sendmsg (net/socket.c:2799)
[   23.580171][  T353]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.580177][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.580181][  T353]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.580182][  T353]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.580185][  T353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.580187][  T353] RIP: 0033:0x7f13ab62354e
[   23.580191][  T353] 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
[   23.580192][  T353] RSP: 002b:00007ffd43ee9c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.580195][  T353] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f13ab62354e
[   23.580197][  T353] RDX: 0000000000000000 RSI: 00007ffd43ee9d00 RDI: 0000000000000005
[   23.580197][  T353] RBP: 00007ffd43ee9c60 R08: 0000000000000000 R09: 0000000000000000
[   23.580198][  T353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e5af
[   23.580199][  T353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd43eea3c0
| [   25.716846][  T356] softirqs last disabled at (15198): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   25.716849][  T356] Preemption disabled at:
| [   25.716849][  T356] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.716858][  T356] Tainted: [W]=WARN
[   25.716859][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.716861][  T356] Call Trace:
[   25.716863][  T356]  <TASK>
[   25.716865][  T356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.716871][  T356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.716873][  T356]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.716878][  T356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.716882][  T356]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.716887][  T356]  __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))
[   25.716889][  T356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.716895][  T356]  ? 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)
[   25.716898][  T356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.716901][  T356]  put_chars (drivers/char/virtio_console.c:1176)
[   25.716903][  T356]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   25.716905][  T356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.716908][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.716913][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.716915][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.716919][  T356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.716922][  T356]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.716924][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.716925][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.716929][  T356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.716931][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.716934][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.716937][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.716941][  T356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.716945][  T356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.716946][  T356]  ? 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))
[   25.716950][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.716952][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.716956][  T356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.716960][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.716962][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.716967][  T356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.716970][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.716972][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.716974][  T356]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.716978][  T356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.716980][  T356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.716983][  T356]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.716987][  T356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.716990][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.716995][  T356]  _printk (kernel/printk/printk.c:2504)
[   25.716999][  T356]  ? snapshot_read.cold (user.c:?)
[   25.717003][  T356]  ? br_multicast_flood (??:?) bridge
[   25.717016][  T356]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.717018][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.717019][  T356]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.717023][  T356] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   25.717034][  T356] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   25.717043][  T356] new_nbp (net/bridge/br_if.c:449) bridge
[   25.717052][  T356] br_add_if (net/bridge/br_if.c:592) bridge
[   25.717059][  T356]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   25.717063][  T356]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   25.717066][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   25.717070][  T356]  do_set_master (net/core/rtnetlink.c:3071)
[   25.717075][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.717078][  T356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.717081][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.717082][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.717084][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.717091][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.717094][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.717095][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.717098][  T356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.717101][  T356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.717103][  T356]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.717105][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.717107][  T356]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   25.717111][  T356]  ? ___sys_sendmsg (net/socket.c:2757)
[   25.717115][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.717117][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.717120][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.717122][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.717124][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.717125][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.717128][  T356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.717132][  T356]  ? __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)
[   25.717135][  T356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.717137][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.717140][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.717142][  T356]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.717146][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.717152][  T356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.717157][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.717159][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.717163][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.717165][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.717167][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.717169][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.717173][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.717175][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.717178][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.717179][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.717183][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.717185][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.717189][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.717191][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.717193][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.717200][  T356]  ? 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))
[   25.717201][  T356]  ? 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))
[   25.717205][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.717209][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.717212][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.717216][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.717219][  T356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.717223][  T356]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.717228][  T356]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.717231][  T356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.717233][  T356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.717235][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   25.717242][  T356]  ___sys_sendmsg (net/socket.c:2767)
[   25.717245][  T356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.717260][  T356]  __sys_sendmsg (net/socket.c:2799)
[   25.717263][  T356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.717269][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.717273][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.717275][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.717278][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.717281][  T356] RIP: 0033:0x7fe08092b54e
[   25.717284][  T356] 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
[   25.717286][  T356] RSP: 002b:00007ffdb82c35a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.717289][  T356] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe08092b54e
[   25.717290][  T356] RDX: 0000000000000000 RSI: 00007ffdb82c3650 RDI: 0000000000000005
[   25.717291][  T356] RBP: 00007ffdb82c35b0 R08: 0000000000000000 R09: 0000000000000000
[   25.717292][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e5b1
[   25.717293][  T356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb82c3d10
| [   30.412994][  T409] softirqs last disabled at (20226): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   30.412997][  T409] Preemption disabled at:
| [   30.412997][  T409] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.413010][  T409] Tainted: [W]=WARN
[   30.413011][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.413013][  T409] Call Trace:
[   30.413015][  T409]  <TASK>
[   30.413017][  T409]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.413024][  T409]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.413027][  T409]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.413033][  T409]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.413038][  T409]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.413044][  T409]  __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))
[   30.413048][  T409]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.413055][  T409]  ? 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)
[   30.413058][  T409]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.413063][  T409]  put_chars (drivers/char/virtio_console.c:1176)
[   30.413066][  T409]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.413068][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.413074][  T409]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.413082][  T409]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.413094][  T409]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.413097][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.413100][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.413106][  T409]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.413112][  T409]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.413114][  T409]  ? 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))
[   30.413119][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.413122][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.413128][  T409]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.413134][  T409]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.413136][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.413144][  T409]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.413148][  T409]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.413151][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.413154][  T409]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.413159][  T409]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.413162][  T409]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.413166][  T409]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.413172][  T409]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.413174][  T409]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.413177][  T409]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.413180][  T409]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.413182][  T409]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.413185][  T409]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.413187][  T409]  ? __sys_sendmsg (net/socket.c:2799)
[   30.413190][  T409]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.413196][  T409]  _printk (kernel/printk/printk.c:2504)
[   30.413201][  T409]  ? snapshot_read.cold (user.c:?)
[   30.413207][  T409]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.413211][  T409]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.413217][  T409]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.413220][  T409]  ? netdev_notice (net/core/dev.c:13194)
[   30.413226][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.413229][  T409]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   30.413234][  T409]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   30.413236][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.413239][  T409]  ? 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)
[   30.413244][  T409]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   30.413250][  T409]  dev_set_allmulti (net/core/dev_api.c:315)
[   30.413256][  T409] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   30.413272][  T409]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.413281][  T409] br_del_if (net/bridge/br_if.c:732) bridge
[   30.413292][  T409]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.413296][  T409]  do_set_master (net/core/rtnetlink.c:3055)
[   30.413303][  T409]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.413308][  T409]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.413312][  T409]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.413313][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.413317][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.413321][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.413325][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.413327][  T409]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.413331][  T409]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.413335][  T409]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.413337][  T409]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.413341][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.413344][  T409]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   30.413346][  T409]  ? ___sys_sendmsg (net/socket.c:2757)
[   30.413352][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.413355][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.413359][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.413362][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.413364][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.413366][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.413370][  T409]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.413374][  T409]  ? __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)
[   30.413377][  T409]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.413380][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.413385][  T409]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.413388][  T409]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.413396][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.413404][  T409]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.413413][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.413416][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.413423][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.413426][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.413429][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.413432][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.413438][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.413441][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.413446][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.413448][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.413455][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.413458][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.413463][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.413466][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.413470][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.413481][  T409]  ? 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))
[   30.413483][  T409]  ? 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))
[   30.413490][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.413496][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.413500][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.413506][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.413512][  T409]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.413518][  T409]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.413525][  T409]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.413529][  T409]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.413538][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.413540][  T409]  ? move_addr_to_kernel (net/socket.c:258)
[   30.413552][  T409]  ___sys_sendmsg (net/socket.c:2767)
[   30.413556][  T409]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.413583][  T409]  __sys_sendmsg (net/socket.c:2799)
[   30.413587][  T409]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.413597][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.413603][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.413605][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.413610][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.413613][  T409] RIP: 0033:0x7f635779154e
[   30.413618][  T409] 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
[   30.413620][  T409] RSP: 002b:00007fff52c99650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.413624][  T409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f635779154e
[   30.413626][  T409] RDX: 0000000000000000 RSI: 00007fff52c99700 RDI: 0000000000000005
[   30.413627][  T409] RBP: 00007fff52c99660 R08: 0000000000000000 R09: 0000000000000000
[   30.413629][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e5b6


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars