======================================
| [   10.745353][  T237] softirqs last disabled at (18686): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.745355][  T237] Preemption disabled at:
| [   10.745356][  T237] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.745365][  T237] Tainted: [W]=WARN
[   10.745366][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.745368][  T237] Call Trace:
[   10.745370][  T237]  <TASK>
[   10.745372][  T237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.745377][  T237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.745380][  T237]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.745384][  T237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.745389][  T237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.745393][  T237]  __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))
[   10.745396][  T237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.745401][  T237]  ? 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)
[   10.745404][  T237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.745407][  T237]  put_chars (drivers/char/virtio_console.c:1176)
[   10.745410][  T237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.745415][  T237]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.745418][  T237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.745421][  T237]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.745423][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.745425][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.745428][  T237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.745430][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.745434][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.745438][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.745442][  T237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.745445][  T237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.745447][  T237]  ? 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))
[   10.745450][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.745452][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.745456][  T237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.745460][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.745462][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.745467][  T237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.745470][  T237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.745472][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.745474][  T237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.745477][  T237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.745479][  T237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.745482][  T237]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.745486][  T237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.745489][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.745490][  T237]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.745495][  T237]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.745498][  T237]  _printk (kernel/printk/printk.c:2504)
[   10.745502][  T237]  ? snapshot_read.cold (user.c:?)
[   10.745505][  T237]  ? br_multicast_flood (??:?) bridge
[   10.745518][  T237]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.745519][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.745520][  T237]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.745525][  T237] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.745535][  T237] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.745543][  T237] new_nbp (net/bridge/br_if.c:449) bridge
[   10.745552][  T237] br_add_if (net/bridge/br_if.c:592) bridge
[   10.745559][  T237]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.745563][  T237]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.745566][  T237]  ? __kernel_text_address (kernel/extable.c:79)
[   10.745570][  T237]  do_set_master (net/core/rtnetlink.c:3071)
[   10.745575][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.745578][  T237]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.745581][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.745582][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.745585][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.745588][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.745591][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.745593][  T237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.745595][  T237]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.745599][  T237]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.745600][  T237]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.745603][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.745605][  T237]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.745608][  T237]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.745612][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.745614][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.745617][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.745619][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.745620][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.745622][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.745624][  T237]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.745628][  T237]  ? __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)
[   10.745630][  T237]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.745632][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.745635][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.745637][  T237]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.745642][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.745647][  T237]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.745652][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.745654][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.745658][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.745660][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.745662][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.745664][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.745668][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.745670][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.745673][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.745674][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.745679][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.745680][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.745684][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.745686][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.745688][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.745694][  T237]  ? 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))
[   10.745696][  T237]  ? 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))
[   10.745700][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.745704][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.745706][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.745710][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.745714][  T237]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.745718][  T237]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.745723][  T237]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.745725][  T237]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.745727][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.745729][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   10.745736][  T237]  ___sys_sendmsg (net/socket.c:2767)
[   10.745739][  T237]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.745754][  T237]  __sys_sendmsg (net/socket.c:2799)
[   10.745757][  T237]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.745763][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.745767][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.745769][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.745772][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.745774][  T237] RIP: 0033:0x7f9b1710254e
[   10.745778][  T237] 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
[   10.745779][  T237] RSP: 002b:00007ffd0207a7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.745782][  T237] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9b1710254e
[   10.745784][  T237] RDX: 0000000000000000 RSI: 00007ffd0207a870 RDI: 0000000000000005
[   10.745785][  T237] RBP: 00007ffd0207a7d0 R08: 0000000000000000 R09: 0000000000000000
[   10.745785][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91028e
[   10.745786][  T237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0207af30
| [   18.428941][  T294] softirqs last disabled at (10953): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.428943][  T294] Preemption disabled at:
| [   18.428944][  T294] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.428953][  T294] Tainted: [W]=WARN
[   18.428954][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.428956][  T294] Call Trace:
[   18.428958][  T294]  <TASK>
[   18.428959][  T294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.428966][  T294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.428968][  T294]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.428973][  T294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.428977][  T294]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.428988][  T294]  __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))
[   18.428990][  T294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.428996][  T294]  ? 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)
[   18.428999][  T294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.429002][  T294]  put_chars (drivers/char/virtio_console.c:1176)
[   18.429005][  T294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.429006][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.429011][  T294]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.429016][  T294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.429023][  T294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.429025][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.429027][  T294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.429031][  T294]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.429035][  T294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.429037][  T294]  ? 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))
[   18.429040][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.429043][  T294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.429046][  T294]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.429051][  T294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.429053][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.429058][  T294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.429061][  T294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.429062][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.429065][  T294]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.429068][  T294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.429070][  T294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.429074][  T294]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.429077][  T294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.429079][  T294]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.429081][  T294]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.429084][  T294]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.429086][  T294]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.429089][  T294]  ? ___sys_sendmsg (net/socket.c:2767)
[   18.429090][  T294]  ? __sys_sendmsg (net/socket.c:2799)
[   18.429092][  T294]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.429097][  T294]  _printk (kernel/printk/printk.c:2504)
[   18.429101][  T294]  ? snapshot_read.cold (user.c:?)
[   18.429105][  T294]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.429109][  T294]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.429113][  T294]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.429115][  T294]  ? netdev_notice (net/core/dev.c:13194)
[   18.429119][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.429122][  T294]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   18.429124][  T294]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   18.429126][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.429128][  T294]  ? 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)
[   18.429131][  T294]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   18.429136][  T294]  dev_set_allmulti (net/core/dev_api.c:315)
[   18.429140][  T294] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   18.429153][  T294]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.429159][  T294] br_del_if (net/bridge/br_if.c:732) bridge
[   18.429167][  T294]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.429170][  T294]  do_set_master (net/core/rtnetlink.c:3055)
[   18.429175][  T294]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.429178][  T294]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.429181][  T294]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.429183][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.429185][  T294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.429189][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.429192][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.429193][  T294]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.429196][  T294]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.429199][  T294]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.429201][  T294]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.429204][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.429206][  T294]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.429207][  T294]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.429211][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.429213][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.429216][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.429218][  T294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.429220][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.429221][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.429224][  T294]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.429227][  T294]  ? __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)
[   18.429229][  T294]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.429231][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.429235][  T294]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.429236][  T294]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.429242][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.429247][  T294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.429252][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.429254][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.429259][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.429261][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.429263][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.429265][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.429269][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.429271][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.429274][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.429275][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.429280][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.429281][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.429285][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.429287][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.429289][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.429296][  T294]  ? 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))
[   18.429297][  T294]  ? 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))
[   18.429301][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.429305][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.429308][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.429312][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.429316][  T294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.429320][  T294]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.429325][  T294]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.429327][  T294]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.429329][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.429333][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   18.429341][  T294]  ___sys_sendmsg (net/socket.c:2767)
[   18.429344][  T294]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.429359][  T294]  __sys_sendmsg (net/socket.c:2799)
[   18.429362][  T294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.429368][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.429372][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.429373][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.429377][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.429379][  T294] RIP: 0033:0x7fb93fb1854e
[   18.429382][  T294] 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
[   18.429384][  T294] RSP: 002b:00007ffecc7c0e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.429387][  T294] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb93fb1854e
[   18.429388][  T294] RDX: 0000000000000000 RSI: 00007ffecc7c0ed0 RDI: 0000000000000005
[   18.429389][  T294] RBP: 00007ffecc7c0e30 R08: 0000000000000000 R09: 0000000000000000
[   18.429390][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910295
[   18.429391][  T294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecc7c1590
| [   20.527200][  T296] softirqs last disabled at (11898): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.527202][  T296] Preemption disabled at:
| [   20.527203][  T296] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.527212][  T296] Tainted: [W]=WARN
[   20.527212][  T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.527214][  T296] Call Trace:
[   20.527215][  T296]  <TASK>
[   20.527217][  T296]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.527222][  T296]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.527224][  T296]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.527229][  T296]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.527234][  T296]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.527239][  T296]  __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))
[   20.527241][  T296]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.527247][  T296]  ? 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)
[   20.527249][  T296]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.527252][  T296]  put_chars (drivers/char/virtio_console.c:1176)
[   20.527254][  T296]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   20.527256][  T296]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.527259][  T296]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.527263][  T296]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.527266][  T296]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.527269][  T296]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.527272][  T296]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.527274][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.527275][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.527279][  T296]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.527281][  T296]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.527284][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.527287][  T296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.527291][  T296]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.527294][  T296]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.527296][  T296]  ? 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))
[   20.527299][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.527302][  T296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.527306][  T296]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.527310][  T296]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.527312][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.527317][  T296]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.527320][  T296]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.527321][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.527324][  T296]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.527327][  T296]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.527329][  T296]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.527334][  T296]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.527339][  T296]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.527341][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.527344][  T296]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.527347][  T296]  _printk (kernel/printk/printk.c:2504)
[   20.527351][  T296]  ? snapshot_read.cold (user.c:?)
[   20.527355][  T296]  ? br_multicast_flood (??:?) bridge
[   20.527367][  T296]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.527368][  T296]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.527369][  T296]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.527374][  T296] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   20.527384][  T296] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   20.527393][  T296] new_nbp (net/bridge/br_if.c:449) bridge
[   20.527403][  T296] br_add_if (net/bridge/br_if.c:592) bridge
[   20.527411][  T296]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.527415][  T296]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   20.527418][  T296]  ? __kernel_text_address (kernel/extable.c:79)
[   20.527422][  T296]  do_set_master (net/core/rtnetlink.c:3071)
[   20.527426][  T296]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.527430][  T296]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.527433][  T296]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.527434][  T296]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.527436][  T296]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.527439][  T296]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.527442][  T296]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.527444][  T296]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.527446][  T296]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.527449][  T296]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.527451][  T296]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.527453][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.527455][  T296]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   20.527458][  T296]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.527463][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.527465][  T296]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.527467][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.527470][  T296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.527471][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.527473][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.527475][  T296]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.527479][  T296]  ? __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)
[   20.527482][  T296]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.527484][  T296]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.527487][  T296]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.527489][  T296]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.527494][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.527499][  T296]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.527504][  T296]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.527506][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.527510][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.527512][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.527514][  T296]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.527516][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.527519][  T296]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.527521][  T296]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.527524][  T296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.527526][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.527530][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.527532][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.527535][  T296]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.527537][  T296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.527540][  T296]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.527546][  T296]  ? 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))
[   20.527547][  T296]  ? 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))
[   20.527551][  T296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.527555][  T296]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.527558][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.527562][  T296]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.527565][  T296]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.527569][  T296]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.527575][  T296]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.527577][  T296]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.527579][  T296]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.527581][  T296]  ? move_addr_to_kernel (net/socket.c:258)
[   20.527588][  T296]  ___sys_sendmsg (net/socket.c:2767)
[   20.527591][  T296]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.527606][  T296]  __sys_sendmsg (net/socket.c:2799)
[   20.527609][  T296]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.527615][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.527619][  T296]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.527621][  T296]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.527624][  T296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.527626][  T296] RIP: 0033:0x7f7e8ff3154e
[   20.527629][  T296] 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
[   20.527631][  T296] RSP: 002b:00007ffca0329770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.527633][  T296] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7e8ff3154e
[   20.527635][  T296] RDX: 0000000000000000 RSI: 00007ffca0329820 RDI: 0000000000000005
[   20.527636][  T296] RBP: 00007ffca0329780 R08: 0000000000000000 R09: 0000000000000000
[   20.527636][  T296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910297
[   20.527637][  T296] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca0329ee0
| [   35.707419][    C2] softirqs last disabled at (691567): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   35.707421][    C2] Preemption disabled at:
| [   35.707422][    C2] 0x0
| [   35.707431][    C2] Tainted: [W]=WARN
[   35.707432][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.707434][    C2] Call Trace:
[   35.707436][    C2]  <IRQ>
[   35.707438][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.707444][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.707447][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.707451][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   35.707454][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707457][    C2]  __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))
[   35.707460][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.707463][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.707467][    C2]  ? 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)
[   35.707468][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.707470][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   35.707473][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.707474][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   35.707477][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.707481][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.707482][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707484][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.707486][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.707488][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.707490][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707492][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707493][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.707495][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   35.707497][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.707499][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.707501][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.707503][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.707504][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.707506][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707508][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.707509][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.707511][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.707513][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.707515][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.707517][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.707519][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.707530][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.707532][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.707538][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.707544][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   35.707547][    C2]  _printk (kernel/printk/printk.c:2504)
[   35.707550][    C2]  ? snapshot_read.cold (user.c:?)
[   35.707552][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   35.707556][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.707558][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   35.707560][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   35.707562][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   35.707565][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   35.707567][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   35.707568][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   35.707570][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.707572][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.707578][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707580][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.707581][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   35.707587][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   35.707589][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.707595][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.707601][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   35.707607][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   35.707610][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   35.707611][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   35.707615][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.707617][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.707618][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707621][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   35.707622][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   35.707631][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   35.707632][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.707635][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.707637][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   35.707639][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   35.707641][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.707643][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707644][    C2]  handle_softirqs (kernel/softirq.c:645)
[   35.707646][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.707648][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   35.707650][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   35.707651][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   35.707652][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   35.707656][    C2]  </IRQ>
[   35.707656][    C2]  <TASK>
[   35.707657][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   35.707658][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   35.707660][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   35.707663][    C2] 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
[   35.707664][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   35.707667][    C2] RAX: 00000000000a8d6d RBX: ff11000001bec6c0 RCX: ffffffff936f0307
[   35.707669][    C2] RDX: ff11000001bec6c0 RSI: ffffffff96438b01 RDI: ffffffff95e8d8e0
[   35.707669][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   35.707670][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   35.707671][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   35.707672][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   35.707676][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   35.707678][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   35.707679][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   35.707681][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   35.707682][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   35.707684][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.707686][    C2]  do_idle (kernel/sched/idle.c:355)
[   35.707688][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   35.707689][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   35.707691][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   35.707693][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   35.762088][    C2]
| [   35.762198][    C2]
| [   35.762198][    C2] stack backtrace:
| [   35.762368][    C2] Tainted: [W]=WARN
[   35.762369][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.762370][    C2] Call Trace:
[   35.762372][    C2]  <IRQ>
[   35.762373][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.762376][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   35.762379][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   35.762381][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   35.762383][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   35.762385][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   35.762387][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.762389][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.762395][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.762398][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.762400][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   35.762406][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   35.762407][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.762414][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   35.762421][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   35.762427][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   35.762429][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   35.762431][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   35.762434][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.762436][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.762437][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.762440][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   35.762441][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   35.762448][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   35.762449][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.762452][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.762454][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   35.762456][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   35.762458][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.762460][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.762461][    C2]  handle_softirqs (kernel/softirq.c:645)
[   35.762463][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.762465][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   35.762467][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   35.762468][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   35.762469][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   35.762471][    C2]  </IRQ>
[   35.762472][    C2]  <TASK>
[   35.762472][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   35.762474][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   35.762475][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   35.762477][    C2] 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
[   35.762479][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   35.762480][    C2] RAX: 00000000000a8d6d RBX: ff11000001bec6c0 RCX: ffffffff936f0307
[   35.762481][    C2] RDX: ff11000001bec6c0 RSI: ffffffff96438b01 RDI: ffffffff95e8d8e0
[   35.762482][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   35.762483][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   35.762484][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   35.762485][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   35.762487][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   35.762489][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   35.762490][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   35.762492][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   35.762493][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   35.762495][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.762497][    C2]  do_idle (kernel/sched/idle.c:355)
[   35.762498][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   35.762500][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   35.762501][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   35.762503][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   39.189492][  T403] softirqs last disabled at (0): 0x0
| [   39.189494][  T403] Preemption disabled at:
| [   39.189495][  T403] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.189505][  T403] Tainted: [W]=WARN
[   39.189506][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.189508][  T403] Call Trace:
[   39.189510][  T403]  <TASK>
[   39.189511][  T403]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.189517][  T403]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.189518][  T403]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.189522][  T403]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.189525][  T403]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   39.189528][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189532][  T403]  __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))
[   39.189535][  T403]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.189537][  T403]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.189541][  T403]  ? 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)
[   39.189542][  T403]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.189544][  T403]  put_chars (drivers/char/virtio_console.c:1176)
[   39.189546][  T403]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.189548][  T403]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   39.189550][  T403]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.189553][  T403]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.189555][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189556][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189558][  T403]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.189561][  T403]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.189563][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189564][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189566][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189567][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189569][  T403]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.189571][  T403]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.189573][  T403]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.189576][  T403]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.189577][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189579][  T403]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.189580][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189582][  T403]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.189583][  T403]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.189585][  T403]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.189587][  T403]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.189589][  T403]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.189591][  T403]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.189593][  T403]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.189594][  T403]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.189598][  T403]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.189600][  T403]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.189602][  T403]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.189604][  T403]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.189605][  T403]  ? __sys_sendmsg (net/socket.c:2799)
[   39.189607][  T403]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.189610][  T403]  _printk (kernel/printk/printk.c:2504)
[   39.189613][  T403]  ? snapshot_read.cold (user.c:?)
[   39.189616][  T403]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.189618][  T403]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.189620][  T403]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.189622][  T403]  ? netdev_notice (net/core/dev.c:13194)
[   39.189623][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189625][  T403]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   39.189627][  T403]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   39.189629][  T403]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   39.189630][  T403]  ? 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)
[   39.189633][  T403]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   39.189636][  T403]  dev_set_allmulti (net/core/dev_api.c:315)
[   39.189638][  T403] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   39.189650][  T403]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.189654][  T403]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.189656][  T403] br_del_if (net/bridge/br_if.c:732) bridge
[   39.189663][  T403]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.189666][  T403]  do_set_master (net/core/rtnetlink.c:3055)
[   39.189668][  T403]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   39.189670][  T403]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.189673][  T403]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.189674][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189675][  T403]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.189679][  T403]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.189681][  T403]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.189683][  T403]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.189684][  T403]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.189686][  T403]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   39.189687][  T403]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   39.189688][  T403]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.189689][  T403]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.189691][  T403]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.189692][  T403]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.189693][  T403]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.189694][  T403]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.189696][  T403]  ? __sys_sendmsg (net/socket.c:2799)
[   39.189697][  T403]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.189698][  T403]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.189700][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189702][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189704][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189705][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189707][  T403]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.189709][  T403]  ? __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)
[   39.189711][  T403]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.189712][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.189714][  T403]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.189715][  T403]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.189717][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.189719][  T403]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.189721][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189723][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.189724][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189725][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189727][  T403]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.189729][  T403]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.189731][  T403]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.189732][  T403]  ? __kernel_text_address (kernel/extable.c:79)
[   39.189733][  T403]  ? write_profile (profile.c:?)
[   39.189734][  T403]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.189737][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189738][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189740][  T403]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.189744][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189745][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189747][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.189748][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.189750][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.189751][  T403]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.189752][  T403]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.189755][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.189756][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.189757][  T403]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.189759][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.189760][  T403]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.189762][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189764][  T403]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.189766][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.189768][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.189769][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189771][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189773][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189775][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.189777][  T403]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.189778][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189780][  T403]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.189782][  T403]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.189783][  T403]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.189785][  T403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.189786][  T403]  ? move_addr_to_kernel (net/socket.c:258)
[   39.189788][  T403]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.189790][  T403]  ___sys_sendmsg (net/socket.c:2767)
[   39.189792][  T403]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.189797][  T403]  __sys_sendmsg (net/socket.c:2799)
[   39.189799][  T403]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.189801][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189803][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.189804][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.189806][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.189808][  T403] RIP: 0033:0x7faf7cd8f54e
[   39.189810][  T403] 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
[   39.189812][  T403] RSP: 002b:00007ffeb8f67c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.189815][  T403] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faf7cd8f54e
[   39.189817][  T403] RDX: 0000000000000000 RSI: 00007ffeb8f67cf0 RDI: 0000000000000005
[   39.189817][  T403] RBP: 00007ffeb8f67c50 R08: 0000000000000000 R09: 0000000000000000
[   39.189818][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102aa
[   39.189819][  T403] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb8f683b0
| [   41.259798][  T406] softirqs last disabled at (0): 0x0
| [   41.259800][  T406] Preemption disabled at:
| [   41.259800][  T406] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.259811][  T406] Tainted: [W]=WARN
[   41.259811][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.259813][  T406] Call Trace:
[   41.259814][  T406]  <TASK>
[   41.259815][  T406]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.259820][  T406]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.259822][  T406]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.259826][  T406]  ? __module_address (kernel/module/main.c:3915)
[   41.259829][  T406]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.259832][  T406]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   41.259834][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.259837][  T406]  __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))
[   41.259840][  T406]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.259844][  T406]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.259849][  T406]  ? 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)
[   41.259851][  T406]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.259853][  T406]  put_chars (drivers/char/virtio_console.c:1176)
[   41.259855][  T406]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   41.259857][  T406]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.259859][  T406]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   41.259861][  T406]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.259864][  T406]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.259866][  T406]  ? 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)
[   41.259867][  T406]  ? vsnprintf (lib/vsprintf.c:2900)
[   41.259871][  T406]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.259872][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.259874][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.259876][  T406]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.259878][  T406]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.259880][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.259882][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.259883][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.259885][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.259887][  T406]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.259889][  T406]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.259891][  T406]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.259893][  T406]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.259895][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.259897][  T406]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.259898][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.259900][  T406]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.259901][  T406]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.259903][  T406]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.259905][  T406]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.259907][  T406]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.259909][  T406]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.259911][  T406]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.259913][  T406]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.259915][  T406]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.259916][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.259918][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.259920][  T406]  _printk (kernel/printk/printk.c:2504)
[   41.259923][  T406]  ? snapshot_read.cold (user.c:?)
[   41.259925][  T406]  ? br_multicast_flood (??:?) bridge
[   41.259937][  T406]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.259939][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.259941][  T406]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.259943][  T406] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   41.259951][  T406] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   41.259958][  T406] new_nbp (net/bridge/br_if.c:449) bridge
[   41.259966][  T406] br_add_if (net/bridge/br_if.c:592) bridge
[   41.259972][  T406]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   41.259975][  T406]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.259977][  T406]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.259980][  T406]  ? __kernel_text_address (kernel/extable.c:79)
[   41.259982][  T406]  do_set_master (net/core/rtnetlink.c:3071)
[   41.259984][  T406]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.259986][  T406]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.259988][  T406]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.259989][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.259990][  T406]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.259994][  T406]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.259996][  T406]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.259998][  T406]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.259999][  T406]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.260001][  T406]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.260002][  T406]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.260003][  T406]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.260004][  T406]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.260007][  T406]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.260008][  T406]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.260009][  T406]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.260012][  T406]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.260013][  T406]  ? __sys_sendmsg (net/socket.c:2799)
[   41.260015][  T406]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.260017][  T406]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.260019][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260021][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.260022][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260024][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260026][  T406]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.260029][  T406]  ? __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)
[   41.260031][  T406]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.260032][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.260034][  T406]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.260035][  T406]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.260037][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.260039][  T406]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.260041][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260043][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.260044][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.260046][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260048][  T406]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.260049][  T406]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.260051][  T406]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.260052][  T406]  ? __kernel_text_address (kernel/extable.c:79)
[   41.260054][  T406]  ? write_profile (profile.c:?)
[   41.260055][  T406]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.260057][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260059][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260068][  T406]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.260072][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.260073][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260075][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.260076][  T406]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.260078][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.260079][  T406]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.260081][  T406]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.260083][  T406]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.260084][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.260086][  T406]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.260087][  T406]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.260089][  T406]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.260091][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260093][  T406]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.260095][  T406]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.260097][  T406]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.260098][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260100][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260102][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.260103][  T406]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.260105][  T406]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.260107][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260109][  T406]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.260111][  T406]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.260112][  T406]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.260114][  T406]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.260115][  T406]  ? move_addr_to_kernel (net/socket.c:258)
[   41.260117][  T406]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.260119][  T406]  ___sys_sendmsg (net/socket.c:2767)
[   41.260121][  T406]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.260126][  T406]  __sys_sendmsg (net/socket.c:2799)
[   41.260128][  T406]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.260131][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.260133][  T406]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.260134][  T406]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.260136][  T406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.260138][  T406] RIP: 0033:0x7f88e6d6d54e
[   41.260139][  T406] 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
[   41.260141][  T406] RSP: 002b:00007ffecf87ca70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.260144][  T406] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f88e6d6d54e
[   41.260145][  T406] RDX: 0000000000000000 RSI: 00007ffecf87cb20 RDI: 0000000000000005
[   41.260146][  T406] RBP: 00007ffecf87ca80 R08: 0000000000000000 R09: 0000000000000000
[   41.260147][  T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102ac
[   41.260147][  T406] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecf87d1e0
| [   43.476942][  T447] softirqs last disabled at (0): 0x0
| [   43.476944][  T447] Preemption disabled at:
| [   43.476944][  T447] 0x0
| [   43.476952][  T447] Tainted: [W]=WARN
[   43.476953][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.476955][  T447] Call Trace:
[   43.476957][  T447]  <TASK>
[   43.476958][  T447]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.476963][  T447]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.476967][  T447]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.476970][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.476974][  T447]  __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))
[   43.476977][  T447]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.476980][  T447]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.476984][  T447]  ? 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)
[   43.476986][  T447]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.476987][  T447]  put_chars (drivers/char/virtio_console.c:1176)
[   43.476989][  T447]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.476991][  T447]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.476994][  T447]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.476998][  T447]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.476999][  T447]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.477001][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477003][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.477005][  T447]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.477007][  T447]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.477009][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477011][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477012][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477014][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.477016][  T447]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.477017][  T447]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.477019][  T447]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.477022][  T447]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.477024][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.477025][  T447]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.477027][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477028][  T447]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.477030][  T447]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.477031][  T447]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.477033][  T447]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.477035][  T447]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.477037][  T447]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.477039][  T447]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.477041][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477043][  T447]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.477045][  T447]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   43.477047][  T447]  _printk (kernel/printk/printk.c:2504)
[   43.477050][  T447]  ? snapshot_read.cold (user.c:?)
[   43.477052][  T447]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   43.477056][  T447] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.477074][  T447] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   43.477082][  T447] br_device_event (net/bridge/br.c:111) bridge
[   43.477090][  T447]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   43.477094][  T447]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   43.477096][  T447]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   43.477099][  T447]  notifier_call_chain (kernel/notifier.c:85)
[   43.477102][  T447]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   43.477105][  T447]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.477107][  T447]  ? netif_change_name (net/core/dev.c:1517)
[   43.477109][  T447]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   43.477111][  T447]  ? __kernel_text_address (kernel/extable.c:79)
[   43.477113][  T447]  ? write_profile (profile.c:?)
[   43.477115][  T447]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.477118][  T447]  netif_change_flags (net/core/dev.c:9882)
[   43.477120][  T447]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   43.477123][  T447]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.477125][  T447]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.477126][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477127][  T447]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.477131][  T447]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.477134][  T447]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.477136][  T447]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.477137][  T447]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.477139][  T447]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.477140][  T447]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.477141][  T447]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.477142][  T447]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.477145][  T447]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.477146][  T447]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.477148][  T447]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.477150][  T447]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.477151][  T447]  ? __sys_sendmsg (net/socket.c:2799)
[   43.477153][  T447]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.477155][  T447]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.477158][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477159][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.477161][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477162][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477164][  T447]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.477167][  T447]  ? __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)
[   43.477168][  T447]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.477169][  T447]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.477171][  T447]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.477173][  T447]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.477175][  T447]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.477177][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477179][  T447]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.477180][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.477181][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477183][  T447]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.477186][  T447]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.477188][  T447]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.477189][  T447]  ? __kernel_text_address (kernel/extable.c:79)
[   43.477190][  T447]  ? write_profile (profile.c:?)
[   43.477192][  T447]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.477193][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477194][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477196][  T447]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.477199][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.477201][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477202][  T447]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.477204][  T447]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.477205][  T447]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.477206][  T447]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.477208][  T447]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.477210][  T447]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.477211][  T447]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.477213][  T447]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.477214][  T447]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.477216][  T447]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.477218][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477220][  T447]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.477222][  T447]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.477223][  T447]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.477225][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477226][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477228][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.477230][  T447]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.477232][  T447]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.477233][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477235][  T447]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.477237][  T447]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.477238][  T447]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.477240][  T447]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.477241][  T447]  ? move_addr_to_kernel (net/socket.c:258)
[   43.477243][  T447]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.477245][  T447]  ___sys_sendmsg (net/socket.c:2767)
[   43.477247][  T447]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.477252][  T447]  __sys_sendmsg (net/socket.c:2799)
[   43.477253][  T447]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.477256][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.477258][  T447]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.477259][  T447]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.477262][  T447]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.477263][  T447] RIP: 0033:0x7fa90d90954e
[   43.477265][  T447] 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
[   43.477267][  T447] RSP: 002b:00007fffc70b4d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.477270][  T447] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa90d90954e
[   43.477272][  T447] RDX: 0000000000000000 RSI: 00007fffc70b4e30 RDI: 0000000000000005
[   43.477272][  T447] RBP: 00007fffc70b4d90 R08: 0000000000000000 R09: 0000000000000000
[   43.477273][  T447] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102ae


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