======================================
| [    8.693685][  T235] softirqs last disabled at (0): 0x0
| [    8.693686][  T235] Preemption disabled at:
| [    8.693687][  T235] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.693698][  T235] Tainted: [W]=WARN
[    8.693698][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.693700][  T235] Call Trace:
[    8.693702][  T235]  <TASK>
[    8.693703][  T235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.693708][  T235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.693710][  T235]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.693713][  T235]  ? __module_address (kernel/module/main.c:3915)
[    8.693717][  T235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.693719][  T235]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[    8.693721][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693724][  T235]  __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))
[    8.693727][  T235]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.693730][  T235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.693733][  T235]  ? 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)
[    8.693735][  T235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.693737][  T235]  put_chars (drivers/char/virtio_console.c:1176)
[    8.693738][  T235]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[    8.693740][  T235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.693741][  T235]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    8.693744][  T235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.693747][  T235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.693748][  T235]  ? 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)
[    8.693749][  T235]  ? vsnprintf (lib/vsprintf.c:2900)
[    8.693753][  T235]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.693754][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693756][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.693758][  T235]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.693760][  T235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.693762][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693764][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693765][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693767][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.693769][  T235]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[    8.693770][  T235]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.693772][  T235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.693775][  T235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.693777][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.693778][  T235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.693780][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693781][  T235]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[    8.693783][  T235]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.693784][  T235]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[    8.693786][  T235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.693788][  T235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.693790][  T235]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.693792][  T235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.693794][  T235]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.693796][  T235]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[    8.693798][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.693800][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693802][  T235]  _printk (kernel/printk/printk.c:2504)
[    8.693805][  T235]  ? snapshot_read.cold (user.c:?)
[    8.693807][  T235]  ? br_multicast_flood (??:?) bridge
[    8.693818][  T235]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[    8.693821][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[    8.693822][  T235]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.693824][  T235] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[    8.693832][  T235] br_init_port (net/bridge/br_stp_if.c:39) bridge
[    8.693840][  T235] new_nbp (net/bridge/br_if.c:449) bridge
[    8.693847][  T235] br_add_if (net/bridge/br_if.c:592) bridge
[    8.693853][  T235]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[    8.693856][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[    8.693858][  T235]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    8.693860][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[    8.693862][  T235]  do_set_master (net/core/rtnetlink.c:3071)
[    8.693865][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[    8.693866][  T235]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    8.693868][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.693869][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693871][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[    8.693874][  T235]  ? kasan_save_stack (mm/kasan/common.c:58)
[    8.693877][  T235]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.693879][  T235]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.693880][  T235]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.693882][  T235]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[    8.693883][  T235]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[    8.693884][  T235]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.693885][  T235]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.693887][  T235]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.693888][  T235]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.693890][  T235]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    8.693892][  T235]  ? ___sys_sendmsg (net/socket.c:2767)
[    8.693893][  T235]  ? __sys_sendmsg (net/socket.c:2799)
[    8.693895][  T235]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.693897][  T235]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.693899][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693901][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.693902][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693904][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693905][  T235]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.693908][  T235]  ? __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)
[    8.693910][  T235]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.693911][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.693912][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.693914][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.693916][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    8.693918][  T235]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    8.693920][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693921][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.693922][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.693924][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693926][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[    8.693927][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[    8.693929][  T235]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    8.693930][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[    8.693931][  T235]  ? write_profile (profile.c:?)
[    8.693933][  T235]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    8.693935][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693937][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693938][  T235]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.693942][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.693943][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693945][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.693946][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.693947][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.693949][  T235]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    8.693950][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[    8.693952][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.693954][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.693955][  T235]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[    8.693956][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.693958][  T235]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[    8.693960][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693962][  T235]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[    8.693964][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.693965][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.693967][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693969][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693970][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.693972][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.693974][  T235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.693976][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.693977][  T235]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[    8.693979][  T235]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    8.693980][  T235]  ? copy_msghdr_from_user (net/socket.c:2650)
[    8.693982][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    8.693984][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[    8.693985][  T235]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    8.693987][  T235]  ___sys_sendmsg (net/socket.c:2767)
[    8.693989][  T235]  ? copy_msghdr_from_user (net/socket.c:2619)
[    8.693994][  T235]  __sys_sendmsg (net/socket.c:2799)
[    8.693996][  T235]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    8.693998][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.694000][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.694001][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.694003][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.694005][  T235] RIP: 0033:0x7f13ee8cb54e
[    8.694007][  T235] 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
[    8.694008][  T235] RSP: 002b:00007fffb376d3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.694012][  T235] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f13ee8cb54e
[    8.694013][  T235] RDX: 0000000000000000 RSI: 00007fffb376d470 RDI: 0000000000000005
[    8.694014][  T235] RBP: 00007fffb376d3d0 R08: 0000000000000000 R09: 0000000000000000
[    8.694015][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e810
[    8.694015][  T235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb376db30
| [   16.140085][  T291] softirqs last disabled at (0): 0x0
| [   16.140087][  T291] Preemption disabled at:
| [   16.140087][  T291] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.140098][  T291] Tainted: [W]=WARN
[   16.140099][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.140101][  T291] Call Trace:
[   16.140102][  T291]  <TASK>
[   16.140103][  T291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.140108][  T291]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.140110][  T291]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.140114][  T291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.140117][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140121][  T291]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.140124][  T291]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.140127][  T291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.140131][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.140133][  T291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.140134][  T291]  put_chars (drivers/char/virtio_console.c:1176)
[   16.140136][  T291]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.140138][  T291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.140140][  T291]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   16.140142][  T291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.140145][  T291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.140146][  T291]  ? 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)
[   16.140148][  T291]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.140149][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140151][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140153][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.140155][  T291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.140157][  T291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.140159][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140161][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140162][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140164][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.140166][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   16.140167][  T291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.140170][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.140172][  T291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.140174][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.140175][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.140177][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140179][  T291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   16.140180][  T291]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.140181][  T291]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   16.140183][  T291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.140185][  T291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.140187][  T291]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.140192][  T291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.140195][  T291]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   16.140197][  T291]  _printk (kernel/printk/printk.c:2504)
[   16.140200][  T291]  ? snapshot_read.cold (user.c:?)
[   16.140203][  T291]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   16.140205][  T291] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.140213][  T291]  do_one_initcall (init/main.c:1357)
[   16.140215][  T291]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.140218][  T291]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.140221][  T291]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.140223][  T291]  do_init_module (kernel/module/main.c:3117)
[   16.140226][  T291]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.140228][  T291]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.140230][  T291]  load_module (kernel/module/main.c:3593)
[   16.140233][  T291]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.140235][  T291]  ? __ia32_sys_fsconfig (??:?)
[   16.140238][  T291]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   16.140241][  T291]  ? backing_file_read_iter (fs/backing-file.c:211)
[   16.140244][  T291]  init_module_from_file (kernel/module/main.c:3790)
[   16.140246][  T291]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.140248][  T291]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   16.140250][  T291]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.140252][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140254][  T291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   16.140255][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.140257][  T291]  idempotent_init_module (kernel/module/main.c:3802)
[   16.140259][  T291]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.140262][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.140264][  T291]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.140267][  T291]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.140269][  T291]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.140272][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.140275][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.140277][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.140279][  T291] RIP: 0033:0x7f696523d37d
[   16.140281][  T291] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.140282][  T291] RSP: 002b:00007fffa4042978 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.140286][  T291] RAX: ffffffffffffffda RBX: 00005567a4132810 RCX: 00007f696523d37d
[   16.140287][  T291] RDX: 0000000000000000 RSI: 00005567895a9ffd RDI: 0000000000000000
[   16.140288][  T291] RBP: 00007fffa4042a10 R08: 0000000000000000 R09: 0000000000000000
[   16.140289][  T291] R10: 0000000000000000 R11: 0000000000000246 R12: 00005567895a9ffd
[   16.140290][  T291] R13: 00005567a4132960 R14: 0000000000040000 R15: 0000000000000000
| [   19.283760][  T452] softirqs last disabled at (0): 0x0
| [   19.283761][  T452] Preemption disabled at:
| [   19.283762][  T452] 0x0
| [   19.283770][  T452] Tainted: [W]=WARN
[   19.283771][  T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.283773][  T452] Call Trace:
[   19.283775][  T452]  <TASK>
[   19.283776][  T452]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.283781][  T452]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.283785][  T452]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.283789][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283793][  T452]  __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))
[   19.283796][  T452]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.283799][  T452]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.283803][  T452]  ? 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)
[   19.283804][  T452]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.283806][  T452]  put_chars (drivers/char/virtio_console.c:1176)
[   19.283808][  T452]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.283810][  T452]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.283813][  T452]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.283817][  T452]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.283818][  T452]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.283820][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283822][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.283824][  T452]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.283827][  T452]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.283829][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283830][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283832][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283834][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.283835][  T452]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   19.283837][  T452]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.283839][  T452]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.283842][  T452]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.283844][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.283845][  T452]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.283847][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283849][  T452]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.283850][  T452]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.283851][  T452]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   19.283853][  T452]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.283855][  T452]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.283857][  T452]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.283860][  T452]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.283862][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283863][  T452]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.283866][  T452]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   19.283867][  T452]  _printk (kernel/printk/printk.c:2504)
[   19.283871][  T452]  ? snapshot_read.cold (user.c:?)
[   19.283873][  T452]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   19.283878][  T452] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   19.283891][  T452] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   19.283900][  T452] br_device_event (net/bridge/br.c:111) bridge
[   19.283908][  T452]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   19.283912][  T452]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   19.283914][  T452]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   19.283917][  T452]  notifier_call_chain (kernel/notifier.c:85)
[   19.283920][  T452]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   19.283924][  T452]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.283926][  T452]  ? netif_change_name (net/core/dev.c:1517)
[   19.283928][  T452]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   19.283930][  T452]  ? __kernel_text_address (kernel/extable.c:79)
[   19.283932][  T452]  ? write_profile (profile.c:?)
[   19.283934][  T452]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.283937][  T452]  netif_change_flags (net/core/dev.c:9882)
[   19.283939][  T452]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   19.283942][  T452]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.283943][  T452]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.283945][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283946][  T452]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   19.283950][  T452]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.283953][  T452]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.283954][  T452]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.283955][  T452]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.283957][  T452]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   19.283958][  T452]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   19.283959][  T452]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.283961][  T452]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.283964][  T452]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.283965][  T452]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.283966][  T452]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.283969][  T452]  ? ___sys_sendmsg (net/socket.c:2767)
[   19.283970][  T452]  ? __sys_sendmsg (net/socket.c:2799)
[   19.283972][  T452]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.283974][  T452]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.283976][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283978][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.283979][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283981][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283983][  T452]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.283986][  T452]  ? __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)
[   19.283987][  T452]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.283989][  T452]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.283990][  T452]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.283992][  T452]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.283994][  T452]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.283996][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.283998][  T452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.283999][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.284001][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284003][  T452]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   19.284006][  T452]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   19.284008][  T452]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   19.284009][  T452]  ? __kernel_text_address (kernel/extable.c:79)
[   19.284011][  T452]  ? write_profile (profile.c:?)
[   19.284012][  T452]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.284013][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284015][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284017][  T452]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.284020][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.284021][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284023][  T452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.284025][  T452]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.284026][  T452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.284028][  T452]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   19.284029][  T452]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   19.284032][  T452]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.284033][  T452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.284034][  T452]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.284036][  T452]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.284037][  T452]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   19.284040][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284041][  T452]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.284043][  T452]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.284045][  T452]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.284047][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284048][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284050][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.284052][  T452]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.284054][  T452]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.284056][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284057][  T452]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.284059][  T452]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.284061][  T452]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.284062][  T452]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.284064][  T452]  ? move_addr_to_kernel (net/socket.c:258)
[   19.284065][  T452]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   19.284068][  T452]  ___sys_sendmsg (net/socket.c:2767)
[   19.284070][  T452]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.284075][  T452]  __sys_sendmsg (net/socket.c:2799)
[   19.284077][  T452]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.284079][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.284081][  T452]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.284083][  T452]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.284085][  T452]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.284086][  T452] RIP: 0033:0x7fbe9bd3454e
[   19.284088][  T452] 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
[   19.284090][  T452] RSP: 002b:00007ffde2c1d030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.284094][  T452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbe9bd3454e
[   19.284095][  T452] RDX: 0000000000000000 RSI: 00007ffde2c1d0e0 RDI: 0000000000000005
[   19.284096][  T452] RBP: 00007ffde2c1d040 R08: 0000000000000000 R09: 0000000000000000
[   19.284096][  T452] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e81a


Finger prints:
vprintk_emit: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