======================================
| [   11.714768][  T253] softirqs last disabled at (13673): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.714770][  T253] Preemption disabled at:
| [   11.714771][  T253] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.714780][  T253] Tainted: [W]=WARN
[   11.714780][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.714782][  T253] Call Trace:
[   11.714784][  T253]  <TASK>
[   11.714786][  T253]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.714791][  T253]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.714794][  T253]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.714798][  T253]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.714802][  T253]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.714807][  T253]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.714809][  T253]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.714815][  T253]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.714817][  T253]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.714820][  T253]  put_chars (drivers/char/virtio_console.c:1176)
[   11.714823][  T253]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.714827][  T253]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.714831][  T253]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.714834][  T253]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.714836][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.714837][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.714841][  T253]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.714843][  T253]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.714846][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714850][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.714854][  T253]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.714857][  T253]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.714859][  T253]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.714863][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714865][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.714869][  T253]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.714873][  T253]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.714875][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.714880][  T253]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.714882][  T253]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.714884][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714887][  T253]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.714890][  T253]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.714892][  T253]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.714895][  T253]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.714899][  T253]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.714901][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.714903][  T253]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.714907][  T253]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.714911][  T253]  _printk (kernel/printk/printk.c:2504)
[   11.714914][  T253]  ? snapshot_read.cold (user.c:?)
[   11.714918][  T253]  ? br_multicast_flood (??:?) bridge
[   11.714930][  T253]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.714932][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.714933][  T253]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.714937][  T253] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.714947][  T253] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.714955][  T253] new_nbp (net/bridge/br_if.c:449) bridge
[   11.714964][  T253] br_add_if (net/bridge/br_if.c:592) bridge
[   11.714971][  T253]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.714975][  T253]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.714978][  T253]  ? __kernel_text_address (kernel/extable.c:79)
[   11.714981][  T253]  do_set_master (net/core/rtnetlink.c:3071)
[   11.714986][  T253]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.714989][  T253]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.714992][  T253]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.714993][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.714996][  T253]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.714999][  T253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.715002][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.715004][  T253]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.715007][  T253]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.715009][  T253]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.715011][  T253]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.715014][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.715016][  T253]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.715019][  T253]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.715024][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.715025][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.715028][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.715030][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.715032][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.715033][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.715036][  T253]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.715040][  T253]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.715041][  T253]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.715043][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.715046][  T253]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.715048][  T253]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.715053][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.715058][  T253]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.715063][  T253]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.715065][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.715069][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.715071][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.715073][  T253]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.715075][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.715078][  T253]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.715080][  T253]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.715083][  T253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.715085][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.715089][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.715091][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.715094][  T253]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.715096][  T253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.715099][  T253]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.715105][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.715106][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.715110][  T253]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.715114][  T253]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.715116][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.715121][  T253]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.715124][  T253]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.715128][  T253]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.715133][  T253]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.715135][  T253]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.715138][  T253]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.715139][  T253]  ? move_addr_to_kernel (net/socket.c:258)
[   11.715147][  T253]  ___sys_sendmsg (net/socket.c:2767)
[   11.715149][  T253]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.715165][  T253]  __sys_sendmsg (net/socket.c:2799)
[   11.715167][  T253]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.715173][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.715177][  T253]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.715179][  T253]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.715182][  T253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.715184][  T253] RIP: 0033:0x7f9b5c53d54e
[   11.715188][  T253] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.715189][  T253] RSP: 002b:00007ffcdc92dce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.715192][  T253] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9b5c53d54e
[   11.715193][  T253] RDX: 0000000000000000 RSI: 00007ffcdc92dd90 RDI: 0000000000000005
[   11.715194][  T253] RBP: 00007ffcdc92dcf0 R08: 0000000000000000 R09: 0000000000000000
[   11.715195][  T253] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dc7e
[   11.715196][  T253] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdc92e450
| [   25.956743][  T330] softirqs last disabled at (20882): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2))
| [   25.956746][  T330] Preemption disabled at:
| [   25.956747][  T330] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.956756][  T330] Tainted: [W]=WARN
[   25.956757][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.956758][  T330] Call Trace:
[   25.956760][  T330]  <TASK>
[   25.956762][  T330]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.956768][  T330]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.956770][  T330]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.956774][  T330]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.956778][  T330]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.956783][  T330]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.956786][  T330]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.956791][  T330]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.956794][  T330]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.956797][  T330]  put_chars (drivers/char/virtio_console.c:1176)
[   25.956799][  T330]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.956801][  T330]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.956804][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.956808][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.956812][  T330]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.956815][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.956816][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.956821][  T330]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.956822][  T330]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.956825][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.956828][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.956832][  T330]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.956836][  T330]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.956837][  T330]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.956840][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.956843][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.956847][  T330]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.956851][  T330]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.956853][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.956858][  T330]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.956860][  T330]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.956862][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.956864][  T330]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.956868][  T330]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.956870][  T330]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.956873][  T330]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.956877][  T330]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.956879][  T330]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.956881][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.956882][  T330]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   25.956884][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   25.956887][  T330]  _printk (kernel/printk/printk.c:2504)
[   25.956891][  T330]  ? snapshot_read.cold (user.c:?)
[   25.956894][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.956896][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.956898][  T330]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.956901][  T330]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.956905][  T330]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.956907][  T330]  ? netdev_notice (net/core/dev.c:13194)
[   25.956911][  T330]  ? 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)
[   25.956913][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.956916][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.956918][  T330]  ? 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)
[   25.956921][  T330]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   25.956926][  T330]  __dev_change_flags (net/core/dev.c:9821)
[   25.956929][  T330]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   25.956931][  T330]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   25.956934][  T330]  ? __kernel_text_address (kernel/extable.c:79)
[   25.956935][  T330]  ? write_profile (profile.c:?)
[   25.956938][  T330]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.956942][  T330]  netif_change_flags (net/core/dev.c:9877)
[   25.956946][  T330]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.956950][  T330]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.956952][  T330]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.956954][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.956955][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.956959][  T330]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.956962][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.956963][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.956966][  T330]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.956969][  T330]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.956971][  T330]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.956973][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.956975][  T330]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   25.956978][  T330]  ? ___sys_sendmsg (net/socket.c:2757)
[   25.956982][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.956984][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.956987][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.956989][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.956991][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.956992][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.956995][  T330]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.956998][  T330]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   25.957000][  T330]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.957003][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.957006][  T330]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.957011][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.957016][  T330]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.957022][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.957023][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.957028][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.957030][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.957032][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.957033][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.957037][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.957039][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.957042][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.957044][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.957048][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.957050][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.957053][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.957055][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.957058][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.957064][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.957065][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.957070][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.957073][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.957076][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.957080][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.957084][  T330]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.957087][  T330]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.957093][  T330]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.957095][  T330]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.957097][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.957099][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   25.957106][  T330]  ___sys_sendmsg (net/socket.c:2767)
[   25.957109][  T330]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.957125][  T330]  __sys_sendmsg (net/socket.c:2799)
[   25.957128][  T330]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.957134][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.957138][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.957140][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.957143][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.957145][  T330] RIP: 0033:0x7f31d7aec54e
[   25.957149][  T330] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.957150][  T330] RSP: 002b:00007ffe03303df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.957153][  T330] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f31d7aec54e
[   25.957154][  T330] RDX: 0000000000000000 RSI: 00007ffe03303ea0 RDI: 0000000000000005
[   25.957155][  T330] RBP: 00007ffe03303e00 R08: 0000000000000000 R09: 0000000000000000
[   25.957156][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dc8c
[   25.957157][  T330] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe03304560
| [   27.384574][  T344] softirqs last disabled at (18094): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2))
| [   27.384577][  T344] Preemption disabled at:
| [   27.384577][  T344] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.384587][  T344] Tainted: [W]=WARN
[   27.384588][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.384589][  T344] Call Trace:
[   27.384591][  T344]  <TASK>
[   27.384593][  T344]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.384598][  T344]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.384600][  T344]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.384605][  T344]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.384609][  T344]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.384614][  T344]  __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))
[   27.384617][  T344]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.384622][  T344]  ? 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)
[   27.384625][  T344]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.384628][  T344]  put_chars (drivers/char/virtio_console.c:1176)
[   27.384630][  T344]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   27.384632][  T344]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.384635][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.384639][  T344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.384643][  T344]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.384646][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.384647][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.384652][  T344]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.384653][  T344]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   27.384656][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.384659][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.384663][  T344]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.384667][  T344]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.384669][  T344]  ? 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))
[   27.384672][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.384675][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.384678][  T344]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.384683][  T344]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.384684][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.384690][  T344]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.384692][  T344]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.384694][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.384696][  T344]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.384700][  T344]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.384702][  T344]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.384705][  T344]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.384709][  T344]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.384711][  T344]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.384713][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.384715][  T344]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   27.384716][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.384720][  T344]  _printk (kernel/printk/printk.c:2504)
[   27.384724][  T344]  ? snapshot_read.cold (user.c:?)
[   27.384727][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.384729][  T344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.384731][  T344]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.384734][  T344]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.384738][  T344]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.384740][  T344]  ? netdev_notice (net/core/dev.c:13194)
[   27.384744][  T344]  ? 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)
[   27.384746][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.384749][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.384751][  T344]  ? 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)
[   27.384755][  T344]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   27.384759][  T344]  __dev_change_flags (net/core/dev.c:9821)
[   27.384763][  T344]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.384765][  T344]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.384768][  T344]  ? __kernel_text_address (kernel/extable.c:79)
[   27.384769][  T344]  ? write_profile (profile.c:?)
[   27.384772][  T344]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.384777][  T344]  netif_change_flags (net/core/dev.c:9877)
[   27.384781][  T344]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   27.384785][  T344]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.384787][  T344]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.384788][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.384790][  T344]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.384793][  T344]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.384796][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.384798][  T344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.384800][  T344]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.384803][  T344]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.384805][  T344]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.384807][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.384809][  T344]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   27.384812][  T344]  ? ___sys_sendmsg (net/socket.c:2757)
[   27.384818][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.384820][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.384822][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.384825][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.384826][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.384828][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.384830][  T344]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.384833][  T344]  ? __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)
[   27.384836][  T344]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.384838][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.384842][  T344]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.384847][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.384852][  T344]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.384858][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.384860][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.384864][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.384866][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.384868][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.384869][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.384873][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.384875][  T344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.384878][  T344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.384880][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.384884][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.384886][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.384889][  T344]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.384891][  T344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.384894][  T344]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.384900][  T344]  ? 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))
[   27.384901][  T344]  ? 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))
[   27.384906][  T344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.384909][  T344]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.384912][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.384916][  T344]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.384920][  T344]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.384924][  T344]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.384930][  T344]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.384932][  T344]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.384934][  T344]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.384936][  T344]  ? move_addr_to_kernel (net/socket.c:258)
[   27.384943][  T344]  ___sys_sendmsg (net/socket.c:2767)
[   27.384946][  T344]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.384962][  T344]  __sys_sendmsg (net/socket.c:2799)
[   27.384965][  T344]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.384971][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.384975][  T344]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.384978][  T344]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.384981][  T344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.384983][  T344] RIP: 0033:0x7f8d84a4154e
[   27.384987][  T344] 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
[   27.384988][  T344] RSP: 002b:00007fffc5801d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.384991][  T344] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8d84a4154e
[   27.384993][  T344] RDX: 0000000000000000 RSI: 00007fffc5801df0 RDI: 0000000000000005
[   27.384994][  T344] RBP: 00007fffc5801d50 R08: 0000000000000000 R09: 0000000000000000
[   27.384994][  T344] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dc8d
[   27.384995][  T344] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc58024b0
| [   27.541735][    C2]
| [   27.541800][    C2]
| [   27.541800][    C2] stack backtrace:
| [   27.542018][    C2] Tainted: [W]=WARN
[   27.542019][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.542020][    C2] Call Trace:
[   27.542021][    C2]  <IRQ>
[   27.542022][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.542026][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.542029][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.542032][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.542034][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.542036][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.542038][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.542040][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.542047][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.542050][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.542052][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.542058][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.542060][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.542066][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.542073][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.542079][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.542082][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.542083][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.542087][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.542089][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.542091][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.542093][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.542095][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.542101][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.542103][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.542106][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.542108][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.542110][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.542112][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.542114][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.542116][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.542118][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.542120][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.542122][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.542123][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.542124][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.542126][    C2]  </IRQ>
[   27.542127][    C2]  <TASK>
[   27.542128][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.542129][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.542131][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.542133][    C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   27.542135][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.542137][    C2] RAX: 0000000000088f19 RBX: ff11000001bec6c0 RCX: ffffffffb9af0307
[   27.542138][    C2] RDX: ff11000001bec6c0 RSI: ffffffffbc838b1c RDI: ffffffffbc28d8e0
[   27.542139][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.542140][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.542141][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.542142][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.542145][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.542146][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.542148][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.542150][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.542151][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.542153][    C2]  ? trace_sched_exit_tp (./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/sched.h:886)
[   27.542156][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.542158][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.542159][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.542161][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.542162][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.542164][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.672975][  T354] softirqs last disabled at (0): 0x0
| [   28.672977][  T354] Preemption disabled at:
| [   28.672977][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.672987][  T354] Tainted: [W]=WARN
[   28.672988][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.672989][  T354] Call Trace:
[   28.672991][  T354]  <TASK>
[   28.672992][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.672996][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.672999][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.673002][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.673005][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673008][  T354]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.673011][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.673013][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.673016][  T354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.673017][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.673019][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   28.673021][  T354]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   28.673022][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.673024][  T354]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.673027][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.673030][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.673031][  T354]  ? 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)
[   28.673033][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.673034][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673036][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673037][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673039][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.673042][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.673044][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673045][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673047][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673049][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673050][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.673052][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.673054][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.673057][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.673059][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673060][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.673062][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673063][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.673065][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.673066][  T354]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   28.673068][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.673070][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.673072][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.673074][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.673076][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673078][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673079][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673081][  T354]  _printk (kernel/printk/printk.c:2504)
[   28.673084][  T354]  ? snapshot_read.cold (user.c:?)
[   28.673086][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673088][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673089][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673091][  T354]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.673093][  T354]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.673095][  T354]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.673097][  T354]  ? netdev_notice (net/core/dev.c:13194)
[   28.673098][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673100][  T354]  ? 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)
[   28.673102][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.673103][  T354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.673105][  T354]  ? 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)
[   28.673108][  T354]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   28.673111][  T354]  __dev_change_flags (net/core/dev.c:9821)
[   28.673115][  T354]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   28.673116][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.673119][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   28.673120][  T354]  ? write_profile (profile.c:?)
[   28.673122][  T354]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.673125][  T354]  netif_change_flags (net/core/dev.c:9877)
[   28.673127][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   28.673130][  T354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.673131][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.673132][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673134][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.673137][  T354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.673140][  T354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.673142][  T354]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.673143][  T354]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.673145][  T354]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   28.673146][  T354]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   28.673147][  T354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.673148][  T354]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.673150][  T354]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.673152][  T354]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.673153][  T354]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.673155][  T354]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.673156][  T354]  ? __sys_sendmsg (net/socket.c:2799)
[   28.673158][  T354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.673160][  T354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.673162][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673163][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673165][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673166][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673168][  T354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.673170][  T354]  ? __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)
[   28.673172][  T354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.673173][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.673174][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.673176][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.673178][  T354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.673180][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673182][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.673183][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673185][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673187][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   28.673190][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.673192][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.673193][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   28.673194][  T354]  ? write_profile (profile.c:?)
[   28.673195][  T354]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.673196][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673198][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673200][  T354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.673203][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673204][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673206][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.673208][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.673209][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.673211][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.673212][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.673214][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.673216][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.673217][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.673218][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.673220][  T354]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   28.673222][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673224][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.673226][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.673228][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.673229][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673231][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673233][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.673234][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.673236][  T354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.673238][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673240][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.673242][  T354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.673243][  T354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.673245][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.673246][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   28.673248][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.673250][  T354]  ___sys_sendmsg (net/socket.c:2767)
[   28.673252][  T354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.673259][  T354]  __sys_sendmsg (net/socket.c:2799)
[   28.673261][  T354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.673264][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.673266][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.673267][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.673269][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.673270][  T354] RIP: 0033:0x7f0c62eca54e
[   28.673272][  T354] 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
[   28.673274][  T354] RSP: 002b:00007ffc0ea88ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.673278][  T354] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0c62eca54e
[   28.673279][  T354] RDX: 0000000000000000 RSI: 00007ffc0ea88f70 RDI: 0000000000000005
[   28.673280][  T354] RBP: 00007ffc0ea88ed0 R08: 0000000000000000 R09: 0000000000000000
[   28.673281][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dc8f


Finger prints:
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars