======================================
| [   10.996623][  T255] softirqs last disabled at (20402): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.996626][  T255] Preemption disabled at:
| [   10.996626][  T255] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.996635][  T255] Tainted: [W]=WARN
[   10.996636][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.996638][  T255] Call Trace:
[   10.996639][  T255]  <TASK>
[   10.996641][  T255]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.996647][  T255]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.996649][  T255]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.996654][  T255]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.996658][  T255]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.996663][  T255]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.996665][  T255]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.996670][  T255]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.996673][  T255]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.996676][  T255]  put_chars (drivers/char/virtio_console.c:1176)
[   10.996679][  T255]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.996683][  T255]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.996687][  T255]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.996690][  T255]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.996691][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.996693][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.996697][  T255]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.996699][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.996702][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.996706][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.996710][  T255]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.996714][  T255]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.996715][  T255]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.996721][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.996723][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.996727][  T255]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.996731][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.996733][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.996738][  T255]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.996741][  T255]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.996742][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.996745][  T255]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.996748][  T255]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.996750][  T255]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.996753][  T255]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.996757][  T255]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.996759][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.996761][  T255]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.996765][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.996769][  T255]  _printk (kernel/printk/printk.c:2504)
[   10.996772][  T255]  ? snapshot_read.cold (user.c:?)
[   10.996776][  T255]  ? br_multicast_flood (??:?) bridge
[   10.996788][  T255]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.996790][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.996791][  T255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.996795][  T255] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.996805][  T255] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.996813][  T255] new_nbp (net/bridge/br_if.c:449) bridge
[   10.996822][  T255] br_add_if (net/bridge/br_if.c:592) bridge
[   10.996829][  T255]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.996833][  T255]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.996836][  T255]  ? __kernel_text_address (kernel/extable.c:79)
[   10.996839][  T255]  do_set_master (net/core/rtnetlink.c:3071)
[   10.996844][  T255]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.996847][  T255]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.996850][  T255]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.996851][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.996854][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.996858][  T255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.996860][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.996862][  T255]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.996865][  T255]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.996868][  T255]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.996869][  T255]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.996872][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.996874][  T255]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.996877][  T255]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.996881][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.996883][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.996886][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.996888][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.996889][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.996891][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.996894][  T255]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.996897][  T255]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.996899][  T255]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.996901][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.996904][  T255]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.996906][  T255]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.996911][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.996916][  T255]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.996921][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.996923][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.996927][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.996929][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.996931][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.996933][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.996936][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.996938][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.996941][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.996943][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.996947][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.996949][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.996952][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.996954][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.996957][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.996963][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.996964][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.996968][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.996972][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.996974][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.996978][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.996982][  T255]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.996986][  T255]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.996991][  T255]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.996993][  T255]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.996996][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.996997][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   10.997004][  T255]  ___sys_sendmsg (net/socket.c:2767)
[   10.997007][  T255]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.997024][  T255]  __sys_sendmsg (net/socket.c:2799)
[   10.997027][  T255]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.997033][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.997037][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.997039][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.997042][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.997044][  T255] RIP: 0033:0x7f884f0e154e
[   10.997047][  T255] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.997049][  T255] RSP: 002b:00007ffd929e2300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.997052][  T255] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f884f0e154e
[   10.997053][  T255] RDX: 0000000000000000 RSI: 00007ffd929e23b0 RDI: 0000000000000005
[   10.997054][  T255] RBP: 00007ffd929e2310 R08: 0000000000000000 R09: 0000000000000000
[   10.997055][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e6e2
[   10.997056][  T255] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd929e2a70
| [   25.142678][  T331] softirqs last disabled at (15088): 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))
| [   25.142681][  T331] Preemption disabled at:
| [   25.142681][  T331] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.142690][  T331] Tainted: [W]=WARN
[   25.142691][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.142693][  T331] Call Trace:
[   25.142694][  T331]  <TASK>
[   25.142696][  T331]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.142702][  T331]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.142704][  T331]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.142709][  T331]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.142714][  T331]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.142721][  T331]  __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))
[   25.142724][  T331]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.142729][  T331]  ? 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)
[   25.142733][  T331]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.142736][  T331]  put_chars (drivers/char/virtio_console.c:1176)
[   25.142738][  T331]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.142741][  T331]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.142744][  T331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.142747][  T331]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.142752][  T331]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.142755][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.142756][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.142761][  T331]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.142763][  T331]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.142766][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.142769][  T331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.142773][  T331]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.142777][  T331]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.142779][  T331]  ? 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))
[   25.142782][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.142785][  T331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.142789][  T331]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.142793][  T331]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.142795][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.142801][  T331]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.142804][  T331]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.142806][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.142808][  T331]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.142812][  T331]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.142814][  T331]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.142817][  T331]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.142821][  T331]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.142823][  T331]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.142825][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.142827][  T331]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   25.142829][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   25.142832][  T331]  _printk (kernel/printk/printk.c:2504)
[   25.142836][  T331]  ? snapshot_read.cold (user.c:?)
[   25.142840][  T331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.142842][  T331]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.142844][  T331]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.142847][  T331]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.142851][  T331]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.142853][  T331]  ? netdev_notice (net/core/dev.c:13194)
[   25.142858][  T331]  ? 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)
[   25.142860][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.142862][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.142865][  T331]  ? 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)
[   25.142869][  T331]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   25.142873][  T331]  __dev_change_flags (net/core/dev.c:9821)
[   25.142877][  T331]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   25.142879][  T331]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   25.142882][  T331]  ? __kernel_text_address (kernel/extable.c:79)
[   25.142884][  T331]  ? write_profile (profile.c:?)
[   25.142887][  T331]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.142892][  T331]  netif_change_flags (net/core/dev.c:9877)
[   25.142896][  T331]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.142900][  T331]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.142902][  T331]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.142903][  T331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.142905][  T331]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.142909][  T331]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.142912][  T331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.142914][  T331]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.142916][  T331]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.142919][  T331]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.142921][  T331]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.142924][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.142926][  T331]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   25.142929][  T331]  ? ___sys_sendmsg (net/socket.c:2757)
[   25.142934][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.142936][  T331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.142939][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.142941][  T331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.142943][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.142945][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.142947][  T331]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.142950][  T331]  ? __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)
[   25.142953][  T331]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.142955][  T331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.142959][  T331]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.142965][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.142970][  T331]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.142976][  T331]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.142978][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.142982][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.142984][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.142986][  T331]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.142988][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.142992][  T331]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.142994][  T331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.142997][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.142999][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.143003][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.143005][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.143009][  T331]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.143011][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.143014][  T331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.143020][  T331]  ? 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))
[   25.143022][  T331]  ? 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))
[   25.143026][  T331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.143030][  T331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.143033][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.143037][  T331]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.143041][  T331]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.143045][  T331]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.143051][  T331]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.143053][  T331]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.143056][  T331]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.143057][  T331]  ? move_addr_to_kernel (net/socket.c:258)
[   25.143065][  T331]  ___sys_sendmsg (net/socket.c:2767)
[   25.143068][  T331]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.143085][  T331]  __sys_sendmsg (net/socket.c:2799)
[   25.143088][  T331]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.143094][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.143098][  T331]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.143101][  T331]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.143104][  T331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.143106][  T331] RIP: 0033:0x7f00559b754e
[   25.143110][  T331] 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
[   25.143112][  T331] RSP: 002b:00007ffc5739b5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.143115][  T331] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f00559b754e
[   25.143116][  T331] RDX: 0000000000000000 RSI: 00007ffc5739b650 RDI: 0000000000000005
[   25.143117][  T331] RBP: 00007ffc5739b5b0 R08: 0000000000000000 R09: 0000000000000000
[   25.143118][  T331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e6f0
[   25.143119][  T331] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5739bd10
| [   26.502784][    C2] softirqs last disabled at (20691): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.502785][    C2] Preemption disabled at:
| [   26.502786][    C2] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [   26.502795][    C2] Tainted: [W]=WARN
[   26.502796][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.502797][    C2] Call Trace:
[   26.502799][    C2]  <IRQ>
[   26.502800][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.502806][    C2]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[   26.502808][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.502811][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.502815][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.502819][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.502822][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.502824][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.502827][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.502830][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.502833][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.502835][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.502837][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   26.502838][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.502840][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.502844][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.502847][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.502849][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.502850][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.502853][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.502855][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.502857][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.502859][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.502860][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.502862][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.502864][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.502866][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.502869][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.502871][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.502872][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.502874][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.502875][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.502877][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.502879][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.502880][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.502883][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.502885][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.502887][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.502888][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.502890][    C2]  _printk (kernel/printk/printk.c:2504)
[   26.502893][    C2]  ? snapshot_read.cold (user.c:?)
[   26.502895][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   26.502899][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.502901][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.502902][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.502905][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.502908][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.502910][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.502911][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.502914][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.502915][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.502928][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.502930][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.502931][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.502938][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.502940][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.502946][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.502954][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.502960][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.502964][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.502966][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.502970][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.502971][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.502973][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.502975][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.502977][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.502984][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.502986][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.502988][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.502991][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.502993][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.502995][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.502996][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.502998][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.503000][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.503002][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.503003][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.503005][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.503008][    C2]  </IRQ>
[   26.503008][    C2]  <TASK>
[   26.503009][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.503012][    C2] RIP: 0010:stack_trace_consume_entry (kernel/stacktrace.c:94)
[   26.503014][    C2] Code: 8b 08 48 8d 14 d1 48 b9 00 00 00 00 00 fc ff df 48 89 d7 48 c1 ef 03 80 3c 0f 00 0f 85 89 00 00 00 48 89 32 8b 70 08 39 70 10 <0f> 92 c1 89 c8 48 83 c4 18 c3 83 e9 01 89 48 0c b9 01 00 00 00 48
All code
========
   0:	8b 08                	mov    (%rax),%ecx
   2:	48 8d 14 d1          	lea    (%rcx,%rdx,8),%rdx
   6:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
   d:	fc ff df 
  10:	48 89 d7             	mov    %rdx,%rdi
  13:	48 c1 ef 03          	shr    $0x3,%rdi
  17:	80 3c 0f 00          	cmpb   $0x0,(%rdi,%rcx,1)
  1b:	0f 85 89 00 00 00    	jne    0xaa
  21:	48 89 32             	mov    %rsi,(%rdx)
  24:	8b 70 08             	mov    0x8(%rax),%esi
  27:	39 70 10             	cmp    %esi,0x10(%rax)
  2a:*	0f 92 c1             	setb   %cl		<-- trapping instruction
  2d:	89 c8                	mov    %ecx,%eax
  2f:	48 83 c4 18          	add    $0x18,%rsp
  33:	c3                   	ret
  34:	83 e9 01             	sub    $0x1,%ecx
  37:	89 48 0c             	mov    %ecx,0xc(%rax)
  3a:	b9 01 00 00 00       	mov    $0x1,%ecx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 92 c1             	setb   %cl
   3:	89 c8                	mov    %ecx,%eax
   5:	48 83 c4 18          	add    $0x18,%rsp
   9:	c3                   	ret
   a:	83 e9 01             	sub    $0x1,%ecx
   d:	89 48 0c             	mov    %ecx,0xc(%rax)
  10:	b9 01 00 00 00       	mov    $0x1,%ecx
  15:	48                   	rex.W
[   26.503016][    C2] RSP: 0018:ffa00000005a7600 EFLAGS: 00000287
[   26.503019][    C2] RAX: ffa00000005a76e8 RBX: ffffffffb163f020 RCX: dffffc0000000000
[   26.503021][    C2] RDX: ffa00000005a7778 RSI: 0000000000000040 RDI: 1ff40000000b4eef
[   26.503021][    C2] RBP: ffa00000005a76b8 R08: 0000000000000000 R09: ffffffffb5189f44
[   26.503022][    C2] R10: 0000000000000002 R11: 0000000000000006 R12: ffa00000005a76e8
[   26.503023][    C2] R13: 0000000000000000 R14: ff1100000ce92380 R15: ffffffffb1cad700
[   26.503024][    C2]  ? __put_anon_vma (mm/rmap.c:137 mm/rmap.c:2970)
[   26.503026][    C2]  ? write_profile (profile.c:?)
[   26.503029][    C2]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.503031][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1))
[   26.503034][    C2]  ? unlink_anon_vmas (mm/internal.h:290 mm/rmap.c:536)
[   26.503036][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.503037][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.503039][    C2]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   26.503040][    C2]  ? free_pgtables (mm/memory.c:414)
[   26.503044][    C2]  ? exit_mmap (mm/mmap.c:1327)
[   26.503046][    C2]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   26.503048][    C2]  ? exit_mm (kernel/exit.c:614)
[   26.503050][    C2]  ? do_exit (kernel/exit.c:996)
[   26.503052][    C2]  ? do_group_exit (kernel/exit.c:1151)
[   26.503053][    C2]  ? __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   26.503054][    C2]  ? x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   26.503056][    C2]  kasan_save_stack (mm/kasan/common.c:57)
[   26.503058][    C2]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.503060][    C2]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   26.503062][    C2]  ? kmem_cache_free (mm/slub.c:2709 mm/slub.c:6499 mm/slub.c:6626)
[   26.503063][    C2]  ? __put_anon_vma (mm/rmap.c:137 mm/rmap.c:2970)
[   26.503064][    C2]  ? unlink_anon_vmas (mm/internal.h:290 mm/rmap.c:536)
[   26.503069][    C2]  kasan_record_aux_stack (mm/kasan/generic.c:556)
[   26.503072][    C2]  kmem_cache_free (mm/slub.c:2709 mm/slub.c:6499 mm/slub.c:6626)
[   26.503074][    C2]  __put_anon_vma (mm/rmap.c:137 mm/rmap.c:2970)
[   26.503075][    C2]  unlink_anon_vmas (mm/internal.h:290 mm/rmap.c:536)
[   26.503077][    C2]  free_pgtables (mm/memory.c:414)
[   26.503080][    C2]  ? free_pgd_range (mm/memory.c:351)
[   26.503082][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.503084][    C2]  ? rwsem_down_write_slowpath (./include/linux/list.h:170)
[   26.503086][    C2]  exit_mmap (mm/mmap.c:1327)
[   26.503088][    C2]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   26.503090][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.503091][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.503093][    C2]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   26.503096][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.503100][    C2]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   26.503102][    C2]  exit_mm (kernel/exit.c:614)
[   26.503104][    C2]  do_exit (kernel/exit.c:996)
[   26.503106][    C2]  ? exit_notify (kernel/exit.c:780)
[   26.503108][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.503110][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.503112][    C2]  do_group_exit (kernel/exit.c:1151)
[   26.503113][    C2]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   26.503115][    C2]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   26.503116][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.503118][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.503120][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.503121][    C2] RIP: 0033:0x7fe0c49ed1b8
[   26.503123][    C2] Code: Unable to access opcode bytes at 0x7fe0c49ed18e.

Code starting with the faulting instruction
===========================================
[   26.503124][    C2] RSP: 002b:00007fff6ce8b1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   26.503126][    C2] RAX: ffffffffffffffda RBX: 00007fe0c4b1df88 RCX: 00007fe0c49ed1b8
[   26.503127][    C2] RDX: 00007fe0c4738588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   26.503128][    C2] RBP: 00007fff6ce8b210 R08: 0000000000000000 R09: 0000000000000000
[   26.503128][    C2] R10: 00007fff6ce8afb0 R11: 0000000000000246 R12: 0000000000000001
[   26.503129][    C2] R13: 0000000000000000 R14: 00007fe0c4b1c680 R15: 00007fe0c4b1dfa0
| [   26.575410][    C2]
| [   26.575487][    C2]
| [   26.575487][    C2] stack backtrace:
| [   26.575682][    C2] Tainted: [W]=WARN
[   26.575683][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.575684][    C2] Call Trace:
[   26.575685][    C2]  <IRQ>
[   26.575685][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.575689][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.575691][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.575694][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.575696][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.575697][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.575700][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.575701][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.575708][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.575711][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.575713][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.575719][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.575721][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.575727][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.575735][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.575742][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.575744][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.575746][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.575749][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.575751][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.575753][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.575755][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.575756][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.575763][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.575765][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.575767][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.575770][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.575772][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.575774][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.575775][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.575777][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.575779][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.575781][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.575782][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.575783][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.575785][    C2]  </IRQ>
[   26.575786][    C2]  <TASK>
[   26.575787][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.575788][    C2] RIP: 0010:stack_trace_consume_entry (kernel/stacktrace.c:94)
[   26.575790][    C2] Code: 8b 08 48 8d 14 d1 48 b9 00 00 00 00 00 fc ff df 48 89 d7 48 c1 ef 03 80 3c 0f 00 0f 85 89 00 00 00 48 89 32 8b 70 08 39 70 10 <0f> 92 c1 89 c8 48 83 c4 18 c3 83 e9 01 89 48 0c b9 01 00 00 00 48
All code
========
   0:	8b 08                	mov    (%rax),%ecx
   2:	48 8d 14 d1          	lea    (%rcx,%rdx,8),%rdx
   6:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
   d:	fc ff df 
  10:	48 89 d7             	mov    %rdx,%rdi
  13:	48 c1 ef 03          	shr    $0x3,%rdi
  17:	80 3c 0f 00          	cmpb   $0x0,(%rdi,%rcx,1)
  1b:	0f 85 89 00 00 00    	jne    0xaa
  21:	48 89 32             	mov    %rsi,(%rdx)
  24:	8b 70 08             	mov    0x8(%rax),%esi
  27:	39 70 10             	cmp    %esi,0x10(%rax)
  2a:*	0f 92 c1             	setb   %cl		<-- trapping instruction
  2d:	89 c8                	mov    %ecx,%eax
  2f:	48 83 c4 18          	add    $0x18,%rsp
  33:	c3                   	ret
  34:	83 e9 01             	sub    $0x1,%ecx
  37:	89 48 0c             	mov    %ecx,0xc(%rax)
  3a:	b9 01 00 00 00       	mov    $0x1,%ecx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 92 c1             	setb   %cl
   3:	89 c8                	mov    %ecx,%eax
   5:	48 83 c4 18          	add    $0x18,%rsp
   9:	c3                   	ret
   a:	83 e9 01             	sub    $0x1,%ecx
   d:	89 48 0c             	mov    %ecx,0xc(%rax)
  10:	b9 01 00 00 00       	mov    $0x1,%ecx
  15:	48                   	rex.W
[   26.575791][    C2] RSP: 0018:ffa00000005a7600 EFLAGS: 00000287
[   26.575793][    C2] RAX: ffa00000005a76e8 RBX: ffffffffb163f020 RCX: dffffc0000000000
[   26.575794][    C2] RDX: ffa00000005a7778 RSI: 0000000000000040 RDI: 1ff40000000b4eef
[   26.575795][    C2] RBP: ffa00000005a76b8 R08: 0000000000000000 R09: ffffffffb5189f44
[   26.575795][    C2] R10: 0000000000000002 R11: 0000000000000006 R12: ffa00000005a76e8
[   26.575796][    C2] R13: 0000000000000000 R14: ff1100000ce92380 R15: ffffffffb1cad700
[   26.575797][    C2]  ? __put_anon_vma (mm/rmap.c:137 mm/rmap.c:2970)
[   26.575798][    C2]  ? write_profile (profile.c:?)
[   26.575801][    C2]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.575802][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1))
[   26.575805][    C2]  ? unlink_anon_vmas (mm/internal.h:290 mm/rmap.c:536)
[   26.575807][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.575808][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.575809][    C2]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   26.575811][    C2]  ? free_pgtables (mm/memory.c:414)
[   26.575813][    C2]  ? exit_mmap (mm/mmap.c:1327)
[   26.575814][    C2]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   26.575815][    C2]  ? exit_mm (kernel/exit.c:614)
[   26.575817][    C2]  ? do_exit (kernel/exit.c:996)
[   26.575819][    C2]  ? do_group_exit (kernel/exit.c:1151)
[   26.575820][    C2]  ? __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   26.575821][    C2]  ? x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   26.575822][    C2]  kasan_save_stack (mm/kasan/common.c:57)
[   26.575824][    C2]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.575825][    C2]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   26.575827][    C2]  ? kmem_cache_free (mm/slub.c:2709 mm/slub.c:6499 mm/slub.c:6626)
[   26.575828][    C2]  ? __put_anon_vma (mm/rmap.c:137 mm/rmap.c:2970)
[   26.575829][    C2]  ? unlink_anon_vmas (mm/internal.h:290 mm/rmap.c:536)
[   26.575834][    C2]  kasan_record_aux_stack (mm/kasan/generic.c:556)
[   26.575837][    C2]  kmem_cache_free (mm/slub.c:2709 mm/slub.c:6499 mm/slub.c:6626)
[   26.575839][    C2]  __put_anon_vma (mm/rmap.c:137 mm/rmap.c:2970)
[   26.575840][    C2]  unlink_anon_vmas (mm/internal.h:290 mm/rmap.c:536)
[   26.575842][    C2]  free_pgtables (mm/memory.c:414)
[   26.575845][    C2]  ? free_pgd_range (mm/memory.c:351)
[   26.575846][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.575849][    C2]  ? rwsem_down_write_slowpath (./include/linux/list.h:170)
[   26.575851][    C2]  exit_mmap (mm/mmap.c:1327)
[   26.575853][    C2]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   26.575854][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.575856][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.575858][    C2]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   26.575861][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.575865][    C2]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   26.575866][    C2]  exit_mm (kernel/exit.c:614)
[   26.575868][    C2]  do_exit (kernel/exit.c:996)
[   26.575871][    C2]  ? exit_notify (kernel/exit.c:780)
[   26.575872][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.575874][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.575876][    C2]  do_group_exit (kernel/exit.c:1151)
[   26.575878][    C2]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   26.575879][    C2]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   26.575880][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.575882][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.575883][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.575885][    C2] RIP: 0033:0x7fe0c49ed1b8
[   26.575886][    C2] Code: Unable to access opcode bytes at 0x7fe0c49ed18e.

Code starting with the faulting instruction
===========================================
[   26.575887][    C2] RSP: 002b:00007fff6ce8b1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   26.575888][    C2] RAX: ffffffffffffffda RBX: 00007fe0c4b1df88 RCX: 00007fe0c49ed1b8
[   26.575889][    C2] RDX: 00007fe0c4738588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   26.575890][    C2] RBP: 00007fff6ce8b210 R08: 0000000000000000 R09: 0000000000000000
[   26.575890][    C2] R10: 00007fff6ce8afb0 R11: 0000000000000246 R12: 0000000000000001
[   26.575891][    C2] R13: 0000000000000000 R14: 00007fe0c4b1c680 R15: 00007fe0c4b1dfa0
| [   27.802958][  T356] softirqs last disabled at (0): 0x0
| [   27.802960][  T356] Preemption disabled at:
| [   27.802960][  T356] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.802971][  T356] Tainted: [W]=WARN
[   27.802972][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.802973][  T356] Call Trace:
[   27.802974][  T356]  <TASK>
[   27.802976][  T356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.802980][  T356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.802982][  T356]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.802986][  T356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.802989][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.802993][  T356]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.802995][  T356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.802998][  T356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.803001][  T356]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.803003][  T356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.803005][  T356]  put_chars (drivers/char/virtio_console.c:1176)
[   27.803006][  T356]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   27.803008][  T356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.803010][  T356]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.803012][  T356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.803016][  T356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.803017][  T356]  ? 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)
[   27.803018][  T356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.803020][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803021][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803023][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803025][  T356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.803028][  T356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.803030][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803031][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803033][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803035][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803037][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.803038][  T356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.803041][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.803043][  T356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.803045][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803047][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.803048][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803050][  T356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.803051][  T356]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.803053][  T356]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   27.803055][  T356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.803057][  T356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.803059][  T356]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.803061][  T356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.803063][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803065][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803066][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803068][  T356]  _printk (kernel/printk/printk.c:2504)
[   27.803071][  T356]  ? snapshot_read.cold (user.c:?)
[   27.803073][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803074][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803076][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803077][  T356]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.803080][  T356]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.803082][  T356]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.803084][  T356]  ? netdev_notice (net/core/dev.c:13194)
[   27.803086][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803088][  T356]  ? 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)
[   27.803089][  T356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.803091][  T356]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.803093][  T356]  ? 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)
[   27.803096][  T356]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   27.803099][  T356]  __dev_change_flags (net/core/dev.c:9821)
[   27.803103][  T356]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.803105][  T356]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.803107][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   27.803109][  T356]  ? write_profile (profile.c:?)
[   27.803110][  T356]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.803113][  T356]  netif_change_flags (net/core/dev.c:9877)
[   27.803116][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   27.803119][  T356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.803120][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.803121][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803123][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   27.803127][  T356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.803129][  T356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.803131][  T356]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.803132][  T356]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   27.803134][  T356]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   27.803135][  T356]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   27.803136][  T356]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.803138][  T356]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.803140][  T356]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.803141][  T356]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.803143][  T356]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.803145][  T356]  ? ___sys_sendmsg (net/socket.c:2767)
[   27.803146][  T356]  ? __sys_sendmsg (net/socket.c:2799)
[   27.803148][  T356]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.803150][  T356]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.803152][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803154][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803155][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803157][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803159][  T356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.803161][  T356]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   27.803162][  T356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.803164][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.803165][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.803168][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.803170][  T356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.803172][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803173][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.803175][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803176][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803178][  T356]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   27.803181][  T356]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   27.803183][  T356]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.803184][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   27.803186][  T356]  ? write_profile (profile.c:?)
[   27.803187][  T356]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.803188][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803190][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803191][  T356]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.803195][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803196][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803198][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.803200][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.803207][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.803208][  T356]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   27.803210][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   27.803212][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.803214][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.803215][  T356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.803217][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.803218][  T356]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   27.803220][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803222][  T356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.803224][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.803226][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.803228][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803229][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803231][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.803233][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.803235][  T356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.803237][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803239][  T356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.803240][  T356]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.803242][  T356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.803244][  T356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.803245][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   27.803247][  T356]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   27.803249][  T356]  ___sys_sendmsg (net/socket.c:2767)
[   27.803251][  T356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.803256][  T356]  __sys_sendmsg (net/socket.c:2799)
[   27.803258][  T356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.803261][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.803263][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.803264][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.803266][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.803268][  T356] RIP: 0033:0x7fc3ce77554e
[   27.803270][  T356] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.803271][  T356] RSP: 002b:00007fff20c2bfd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.803275][  T356] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3ce77554e
[   27.803276][  T356] RDX: 0000000000000000 RSI: 00007fff20c2c080 RDI: 0000000000000005
[   27.803277][  T356] RBP: 00007fff20c2bfe0 R08: 0000000000000000 R09: 0000000000000000
[   27.803278][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e6f3


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