======================================
| [   12.256402][  T306] softirqs last disabled at (21243): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.256404][  T306] Preemption disabled at:
| [   12.256405][  T306] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.256414][  T306] Tainted: [W]=WARN
[   12.256415][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.256416][  T306] Call Trace:
[   12.256418][  T306]  <TASK>
[   12.256419][  T306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.256426][  T306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.256428][  T306]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.256432][  T306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.256436][  T306]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.256442][  T306]  __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))
[   12.256444][  T306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.256449][  T306]  ? 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)
[   12.256452][  T306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.256456][  T306]  put_chars (drivers/char/virtio_console.c:1176)
[   12.256458][  T306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.256463][  T306]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.256466][  T306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.256469][  T306]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.256471][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.256473][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.256476][  T306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.256479][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.256482][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.256486][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.256490][  T306]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.256493][  T306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.256495][  T306]  ? 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))
[   12.256498][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.256501][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.256505][  T306]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.256509][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.256510][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.256512][  T306]  ? insn_get_immediate.part.0 (./arch/x86/include/asm/insn.h:30 arch/x86/lib/insn.c:570 arch/x86/lib/insn.c:678)
[   12.256518][  T306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.256521][  T306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.256523][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.256525][  T306]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.256529][  T306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.256531][  T306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.256534][  T306]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.256538][  T306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.256540][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.256542][  T306]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.256546][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.256549][  T306]  _printk (kernel/printk/printk.c:2504)
[   12.256552][  T306]  ? snapshot_read.cold (user.c:?)
[   12.256556][  T306]  ? br_multicast_flood (??:?) bridge
[   12.256569][  T306]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.256570][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.256571][  T306]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.256576][  T306] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.256586][  T306] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.256594][  T306] new_nbp (net/bridge/br_if.c:449) bridge
[   12.256603][  T306] br_add_if (net/bridge/br_if.c:592) bridge
[   12.256611][  T306]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.256614][  T306]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.256617][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   12.256621][  T306]  do_set_master (net/core/rtnetlink.c:3071)
[   12.256623][  T306]  ? netif_change_flags (net/core/dev.c:9882)
[   12.256627][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.256630][  T306]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.256633][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.256634][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.256637][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.256641][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.256643][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.256645][  T306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.256647][  T306]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.256650][  T306]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.256652][  T306]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.256655][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.256656][  T306]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.256659][  T306]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.256664][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.256666][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.256668][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.256671][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.256672][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.256674][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.256676][  T306]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.256680][  T306]  ? __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)
[   12.256682][  T306]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.256684][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.256687][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.256689][  T306]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.256694][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.256699][  T306]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.256705][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.256707][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.256711][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.256713][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.256715][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.256717][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.256720][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.256722][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.256725][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.256727][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.256731][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.256733][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.256736][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.256738][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.256741][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.256747][  T306]  ? 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))
[   12.256748][  T306]  ? 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))
[   12.256752][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.256756][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.256759][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.256763][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.256767][  T306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.256770][  T306]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.256776][  T306]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.256778][  T306]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.256781][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.256782][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   12.256790][  T306]  ___sys_sendmsg (net/socket.c:2767)
[   12.256792][  T306]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.256809][  T306]  __sys_sendmsg (net/socket.c:2799)
[   12.256811][  T306]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.256818][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.256822][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.256824][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.256826][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.256829][  T306] RIP: 0033:0x7fe1af1ea54e
[   12.256832][  T306] 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
[   12.256834][  T306] RSP: 002b:00007ffcf6d0c910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.256837][  T306] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe1af1ea54e
[   12.256838][  T306] RDX: 0000000000000000 RSI: 00007ffcf6d0c9c0 RDI: 0000000000000005
[   12.256839][  T306] RBP: 00007ffcf6d0c920 R08: 0000000000000000 R09: 0000000000000000
[   12.256840][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91331a
[   12.256841][  T306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf6d0d080
| [   27.496392][    C0] softirqs last disabled at (543689): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.496394][    C0] Preemption disabled at:
| [   27.496394][    C0] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [   27.496404][    C0] Tainted: [W]=WARN
[   27.496405][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.496407][    C0] Call Trace:
[   27.496408][    C0]  <IRQ>
[   27.496410][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.496415][    C0]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[   27.496417][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.496421][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.496424][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.496427][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496430][    C0]  __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))
[   27.496433][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.496436][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.496439][    C0]  ? 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)
[   27.496441][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.496443][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.496445][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.496446][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.496450][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.496453][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.496454][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496456][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.496458][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.496461][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.496463][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496464][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496466][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.496468][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.496469][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.496472][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.496474][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.496476][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.496478][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.496479][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496481][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.496482][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.496484][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.496486][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.496488][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.496490][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.496492][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496493][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.496496][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.496499][    C0]  ? snapshot_read.cold (user.c:?)
[   27.496500][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   27.496505][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.496507][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.496508][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.496511][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.496514][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.496515][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.496517][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.496518][    C0]  ? __irq_exit_rcu (kernel/softirq.c:751)
[   27.496520][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.496521][    C0]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 16) arch/x86/kernel/apic/apic.c:1062 (discriminator 16))
[   27.496523][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.496525][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.496537][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496539][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.496541][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.496548][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.496550][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.496557][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.496564][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.496570][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.496573][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.496575][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.496579][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.496581][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.496582][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.496584][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.496586][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.496592][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.496594][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.496597][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.496599][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.496601][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.496603][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496605][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.496607][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.496608][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.496610][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.496611][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.496613][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.496615][    C0]  </IRQ>
[   27.496615][    C0]  <TASK>
[   27.496616][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.496618][    C0] RIP: 0010:kasan_report (./arch/x86/include/asm/smap.h:79 mm/kasan/report.c:575)
[   27.496622][    C0] Code: c4 68 5b 5d 41 5c c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 d6 41 56 41 55 49 89 fd 41 54 55 53 48 83 ec 70 9c 5d 0f 01 ca <48> c7 44 24 08 00 00 00 00 31 c0 89 c7 83 c0 20 48 c7 44 3c 10 00
All code
========
   0:	c4                   	(bad)
   1:	68 5b 5d 41 5c       	push   $0x5c415d5b
   6:	c3                   	ret
   7:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   e:	00 00 00 00 
  12:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  16:	41 56                	push   %r14
  18:	41 55                	push   %r13
  1a:	49 89 fd             	mov    %rdi,%r13
  1d:	41 54                	push   %r12
  1f:	55                   	push   %rbp
  20:	53                   	push   %rbx
  21:	48 83 ec 70          	sub    $0x70,%rsp
  25:	9c                   	pushf
  26:	5d                   	pop    %rbp
  27:	0f 01 ca             	clac
  2a:*	48 c7 44 24 08 00 00 	movq   $0x0,0x8(%rsp)		<-- trapping instruction
  31:	00 00 
  33:	31 c0                	xor    %eax,%eax
  35:	89 c7                	mov    %eax,%edi
  37:	83 c0 20             	add    $0x20,%eax
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	44 3c 10             	rex.R cmp $0x10,%al
	...

Code starting with the faulting instruction
===========================================
   0:	48 c7 44 24 08 00 00 	movq   $0x0,0x8(%rsp)
   7:	00 00 
   9:	31 c0                	xor    %eax,%eax
   b:	89 c7                	mov    %eax,%edi
   d:	83 c0 20             	add    $0x20,%eax
  10:	48                   	rex.W
  11:	c7                   	.byte 0xc7
  12:	44 3c 10             	rex.R cmp $0x10,%al
	...
[   27.496624][    C0] RSP: 0018:ffa00000006077b0 EFLAGS: 00000282
[   27.496627][    C0] RAX: 1fe22000021aa2c5 RBX: 000000000000005a RCX: ffffffffb133c01e
[   27.496628][    C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ff11000010d51628
[   27.496629][    C0] RBP: 0000000000000282 R08: 000000000000005a R09: ff11000010d51800
[   27.496630][    C0] R10: dffffc0000000000 R11: 0000000000000001 R12: ff11000010d50800
[   27.496631][    C0] R13: ff11000010d51628 R14: ff1100000103d240 R15: ffd4000000435400
[   27.496632][    C0]  ? memchr_inv (lib/string.c:857)
[   27.496636][    C0]  memchr_inv (lib/string.c:857)
[   27.496638][    C0]  check_bytes_and_report (mm/slub.c:1343 (discriminator 1))
[   27.496640][    C0]  check_object (mm/slub.c:1444 (discriminator 1) mm/slub.c:1551 (discriminator 1))
[   27.496642][    C0]  free_slab (mm/slub.c:3556)
[   27.496644][    C0]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   27.496645][    C0]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   27.496647][    C0]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   27.496649][    C0]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   27.496651][    C0]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   27.496655][    C0]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   27.496656][    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   27.496658][    C0]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   27.496660][    C0]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   27.496663][    C0]  ? sock_recv_errqueue (./include/net/sock.h:2854 (discriminator 2))
[   27.496665][    C0]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   27.496666][    C0]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   27.496669][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.496670][    C0]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   27.496672][    C0]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   27.496677][    C0]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   27.496679][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.496683][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.496684][    C0]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   27.496687][    C0]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.496690][    C0]  ? sock_ioctl (net/socket.c:1446)
[   27.496693][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.496695][    C0]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.496696][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.496699][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.496700][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.496702][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.496703][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.496704][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.496706][    C0] RIP: 0033:0x7f72933be54e
[   27.496709][    C0] 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
[   27.496710][    C0] RSP: 002b:00007ffc34b643d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.496712][    C0] RAX: ffffffffffffffda RBX: 000055f0b1fd2692 RCX: 00007f72933be54e
[   27.496712][    C0] RDX: 00000000000005ae RSI: 000055f0b1fd2692 RDI: 0000000000000005
[   27.496713][    C0] RBP: 00007ffc34b643e0 R08: 00007ffc34b64430 R09: 0000000000000014
[   27.496714][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055f0b1fd1830
[   27.496715][    C0] R13: 00000000000005ae R14: 0000000000000005 R15: 000055f0b1fd1830
| [   27.571158][    C0]
| [   27.571232][    C0]
| [   27.571232][    C0] stack backtrace:
| [   27.571430][    C0] Tainted: [W]=WARN
[   27.571431][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.571433][    C0] Call Trace:
[   27.571434][    C0]  <IRQ>
[   27.571435][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.571439][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.571442][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.571445][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.571446][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.571448][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.571450][    C0]  ? __irq_exit_rcu (kernel/softirq.c:751)
[   27.571451][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.571452][    C0]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 16) arch/x86/kernel/apic/apic.c:1062 (discriminator 16))
[   27.571454][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.571456][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.571463][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.571466][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.571468][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.571475][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.571477][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.571483][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.571489][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.571495][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.571497][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.571499][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.571502][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.571504][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.571506][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.571508][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.571510][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.571517][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.571519][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.571521][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.571524][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.571526][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.571528][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.571530][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.571532][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.571533][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.571535][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.571537][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.571538][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.571540][    C0]  </IRQ>
[   27.571540][    C0]  <TASK>
[   27.571541][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.571543][    C0] RIP: 0010:kasan_report (./arch/x86/include/asm/smap.h:79 mm/kasan/report.c:575)
[   27.571545][    C0] Code: c4 68 5b 5d 41 5c c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 d6 41 56 41 55 49 89 fd 41 54 55 53 48 83 ec 70 9c 5d 0f 01 ca <48> c7 44 24 08 00 00 00 00 31 c0 89 c7 83 c0 20 48 c7 44 3c 10 00
All code
========
   0:	c4                   	(bad)
   1:	68 5b 5d 41 5c       	push   $0x5c415d5b
   6:	c3                   	ret
   7:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   e:	00 00 00 00 
  12:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  16:	41 56                	push   %r14
  18:	41 55                	push   %r13
  1a:	49 89 fd             	mov    %rdi,%r13
  1d:	41 54                	push   %r12
  1f:	55                   	push   %rbp
  20:	53                   	push   %rbx
  21:	48 83 ec 70          	sub    $0x70,%rsp
  25:	9c                   	pushf
  26:	5d                   	pop    %rbp
  27:	0f 01 ca             	clac
  2a:*	48 c7 44 24 08 00 00 	movq   $0x0,0x8(%rsp)		<-- trapping instruction
  31:	00 00 
  33:	31 c0                	xor    %eax,%eax
  35:	89 c7                	mov    %eax,%edi
  37:	83 c0 20             	add    $0x20,%eax
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	44 3c 10             	rex.R cmp $0x10,%al
	...

Code starting with the faulting instruction
===========================================
   0:	48 c7 44 24 08 00 00 	movq   $0x0,0x8(%rsp)
   7:	00 00 
   9:	31 c0                	xor    %eax,%eax
   b:	89 c7                	mov    %eax,%edi
   d:	83 c0 20             	add    $0x20,%eax
  10:	48                   	rex.W
  11:	c7                   	.byte 0xc7
  12:	44 3c 10             	rex.R cmp $0x10,%al
	...
[   27.571547][    C0] RSP: 0018:ffa00000006077b0 EFLAGS: 00000282
[   27.571549][    C0] RAX: 1fe22000021aa2c5 RBX: 000000000000005a RCX: ffffffffb133c01e
[   27.571551][    C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ff11000010d51628
[   27.571552][    C0] RBP: 0000000000000282 R08: 000000000000005a R09: ff11000010d51800
[   27.571552][    C0] R10: dffffc0000000000 R11: 0000000000000001 R12: ff11000010d50800
[   27.571553][    C0] R13: ff11000010d51628 R14: ff1100000103d240 R15: ffd4000000435400
[   27.571555][    C0]  ? memchr_inv (lib/string.c:857)
[   27.571558][    C0]  memchr_inv (lib/string.c:857)
[   27.571560][    C0]  check_bytes_and_report (mm/slub.c:1343 (discriminator 1))
[   27.571562][    C0]  check_object (mm/slub.c:1444 (discriminator 1) mm/slub.c:1551 (discriminator 1))
[   27.571564][    C0]  free_slab (mm/slub.c:3556)
[   27.571565][    C0]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   27.571567][    C0]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   27.571569][    C0]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   27.571571][    C0]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   27.571572][    C0]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   27.571574][    C0]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   27.571576][    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   27.571578][    C0]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   27.571580][    C0]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   27.571582][    C0]  ? sock_recv_errqueue (./include/net/sock.h:2854 (discriminator 2))
[   27.571584][    C0]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   27.571585][    C0]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   27.571587][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.571589][    C0]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   27.571591][    C0]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   27.571594][    C0]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   27.571597][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.571600][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.571602][    C0]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   27.571604][    C0]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.571606][    C0]  ? sock_ioctl (net/socket.c:1446)
[   27.571609][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.571611][    C0]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.571612][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.571615][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.571616][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.571617][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.571619][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.571620][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.571622][    C0] RIP: 0033:0x7f72933be54e
[   27.571624][    C0] 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
[   27.571625][    C0] RSP: 002b:00007ffc34b643d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.571626][    C0] RAX: ffffffffffffffda RBX: 000055f0b1fd2692 RCX: 00007f72933be54e
[   27.571627][    C0] RDX: 00000000000005ae RSI: 000055f0b1fd2692 RDI: 0000000000000005
[   27.571628][    C0] RBP: 00007ffc34b643e0 R08: 00007ffc34b64430 R09: 0000000000000014
[   27.571628][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055f0b1fd1830
[   27.571629][    C0] R13: 00000000000005ae R14: 0000000000000005 R15: 000055f0b1fd1830
| [   88.875847][  T749] softirqs last disabled at (0): 0x0
| [   88.875848][  T749] Preemption disabled at:
| [   88.875849][  T749] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.875860][  T749] Tainted: [W]=WARN
[   88.875861][  T749] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.875862][  T749] Call Trace:
[   88.875864][  T749]  <TASK>
[   88.875865][  T749]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.875870][  T749]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.875872][  T749]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.875875][  T749]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   88.875877][  T749]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.875880][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.875884][  T749]  __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))
[   88.875887][  T749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.875889][  T749]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.875893][  T749]  ? 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)
[   88.875895][  T749]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.875897][  T749]  put_chars (drivers/char/virtio_console.c:1176)
[   88.875899][  T749]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.875900][  T749]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   88.875902][  T749]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.875906][  T749]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.875907][  T749]  ? vsnprintf (lib/vsprintf.c:2900)
[   88.875910][  T749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.875911][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.875913][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.875915][  T749]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.875918][  T749]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.875920][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.875921][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.875923][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.875924][  T749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.875926][  T749]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.875928][  T749]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.875930][  T749]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.875933][  T749]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.875934][  T749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.875936][  T749]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.875937][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.875939][  T749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.875940][  T749]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.875941][  T749]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   88.875943][  T749]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.875945][  T749]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.875947][  T749]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.875950][  T749]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.875952][  T749]  ? netdev_run_todo (net/core/dev.c:11776)
[   88.875956][  T749]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   88.875959][  T749]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   88.875961][  T749]  _printk (kernel/printk/printk.c:2504)
[   88.875964][  T749]  ? snapshot_read.cold (user.c:?)
[   88.875966][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.875968][  T749]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   88.875969][  T749]  ? __up_write (kernel/locking/rwsem.c:1415)
[   88.875971][  T749]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   88.875971][  T749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.875973][  T749]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   88.875975][  T749] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   88.875977][  T749]  do_one_initcall (init/main.c:1357)
[   88.875979][  T749]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   88.875981][  T749]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   88.875984][  T749]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   88.875987][  T749]  do_init_module (kernel/module/main.c:3117)
[   88.875989][  T749]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   88.875991][  T749]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   88.875994][  T749]  load_module (kernel/module/main.c:3593)
[   88.875997][  T749]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   88.875999][  T749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.876001][  T749]  ? __ia32_sys_fsconfig (??:?)
[   88.876003][  T749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.876005][  T749]  init_module_from_file (kernel/module/main.c:3790)
[   88.876007][  T749]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   88.876009][  T749]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   88.876012][  T749]  ? handle_pte_fault (mm/memory.c:6558)
[   88.876015][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.876016][  T749]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   88.876021][  T749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.876022][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.876024][  T749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.876025][  T749]  ? 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)
[   88.876027][  T749]  idempotent_init_module (kernel/module/main.c:3802)
[   88.876029][  T749]  ? init_module_from_file (kernel/module/main.c:3791)
[   88.876032][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.876033][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.876035][  T749]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.876039][  T749]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   88.876041][  T749]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.876043][  T749]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.876045][  T749]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.876047][  T749]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.876049][  T749] RIP: 0033:0x7fcd9748a37d
[   88.876051][  T749] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   88.876053][  T749] RSP: 002b:00007ffd69ee78c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   88.876056][  T749] RAX: ffffffffffffffda RBX: 0000564eb384f810 RCX: 00007fcd9748a37d
[   88.876058][  T749] RDX: 0000000000000000 RSI: 0000564e9228bffd RDI: 0000000000000000
[   88.876060][  T749] RBP: 00007ffd69ee7960 R08: 0000000000000000 R09: 0000000000000000
[   88.876061][  T749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564e9228bffd
[   88.876062][  T749] R13: 0000564eb384f960 R14: 0000000000040000 R15: 0000000000000000
| [  117.757632][  T926] softirqs last disabled at (0): 0x0
| [  117.757634][  T926] Preemption disabled at:
| [  117.757635][  T926] 0x0
| [  117.757643][  T926] Tainted: [W]=WARN
[  117.757644][  T926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.757646][  T926] Call Trace:
[  117.757647][  T926]  <TASK>
[  117.757649][  T926]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.757654][  T926]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.757659][  T926]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.757662][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757666][  T926]  __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))
[  117.757670][  T926]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.757673][  T926]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.757677][  T926]  ? 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)
[  117.757678][  T926]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.757680][  T926]  put_chars (drivers/char/virtio_console.c:1176)
[  117.757682][  T926]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.757684][  T926]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  117.757687][  T926]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.757691][  T926]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.757693][  T926]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.757694][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757696][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.757698][  T926]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.757701][  T926]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.757703][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757705][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757706][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757708][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.757710][  T926]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  117.757711][  T926]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.757714][  T926]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.757716][  T926]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.757718][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.757720][  T926]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.757721][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757723][  T926]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.757724][  T926]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  117.757726][  T926]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  117.757728][  T926]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.757730][  T926]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.757732][  T926]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.757735][  T926]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.757736][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757738][  T926]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.757741][  T926]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  117.757742][  T926]  _printk (kernel/printk/printk.c:2504)
[  117.757746][  T926]  ? snapshot_read.cold (user.c:?)
[  117.757748][  T926]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  117.757753][  T926] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  117.757766][  T926] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  117.757774][  T926] br_device_event (net/bridge/br.c:111) bridge
[  117.757782][  T926]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  117.757786][  T926]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  117.757788][  T926]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  117.757792][  T926]  notifier_call_chain (kernel/notifier.c:85)
[  117.757795][  T926]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  117.757799][  T926]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.757800][  T926]  ? netif_change_name (net/core/dev.c:1517)
[  117.757803][  T926]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  117.757804][  T926]  ? __kernel_text_address (kernel/extable.c:79)
[  117.757807][  T926]  ? write_profile (profile.c:?)
[  117.757809][  T926]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  117.757812][  T926]  netif_change_flags (net/core/dev.c:9882)
[  117.757814][  T926]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  117.757817][  T926]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  117.757818][  T926]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  117.757819][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757821][  T926]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  117.757825][  T926]  ? kasan_save_stack (mm/kasan/common.c:58)
[  117.757828][  T926]  ? kasan_save_stack (mm/kasan/common.c:57)
[  117.757829][  T926]  ? kasan_save_track (mm/kasan/common.c:78)
[  117.757831][  T926]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  117.757832][  T926]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  117.757834][  T926]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  117.757835][  T926]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  117.757836][  T926]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.757839][  T926]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.757840][  T926]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.757841][  T926]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  117.757844][  T926]  ? ___sys_sendmsg (net/socket.c:2767)
[  117.757845][  T926]  ? __sys_sendmsg (net/socket.c:2799)
[  117.757847][  T926]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.757849][  T926]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.757851][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757853][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.757855][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757856][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757858][  T926]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  117.757861][  T926]  ? __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)
[  117.757862][  T926]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  117.757864][  T926]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  117.757865][  T926]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  117.757867][  T926]  ? nla_get_range_signed (lib/nlattr.c:270)
[  117.757869][  T926]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  117.757871][  T926]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  117.757873][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757875][  T926]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  117.757876][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.757877][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757879][  T926]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  117.757883][  T926]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  117.757884][  T926]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  117.757886][  T926]  ? __kernel_text_address (kernel/extable.c:79)
[  117.757887][  T926]  ? write_profile (profile.c:?)
[  117.757888][  T926]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  117.757889][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757891][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757893][  T926]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  117.757896][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.757898][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757900][  T926]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  117.757901][  T926]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  117.757903][  T926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.757904][  T926]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  117.757905][  T926]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  117.757908][  T926]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.757909][  T926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.757911][  T926]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.757912][  T926]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.757913][  T926]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  117.757916][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757918][  T926]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.757920][  T926]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.757922][  T926]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.757923][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757925][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757927][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.757929][  T926]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.757930][  T926]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  117.757932][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757934][  T926]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.757936][  T926]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  117.757938][  T926]  ? copy_msghdr_from_user (net/socket.c:2650)
[  117.757939][  T926]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  117.757941][  T926]  ? move_addr_to_kernel (net/socket.c:258)
[  117.757942][  T926]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  117.757945][  T926]  ___sys_sendmsg (net/socket.c:2767)
[  117.757947][  T926]  ? copy_msghdr_from_user (net/socket.c:2619)
[  117.757951][  T926]  __sys_sendmsg (net/socket.c:2799)
[  117.757953][  T926]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  117.757956][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.757958][  T926]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.757960][  T926]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  117.757962][  T926]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.757964][  T926] RIP: 0033:0x7fa8e9a3654e
[  117.757965][  T926] 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
[  117.757967][  T926] RSP: 002b:00007ffc841d8100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  117.757971][  T926] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa8e9a3654e
[  117.757972][  T926] RDX: 0000000000000000 RSI: 00007ffc841d81b0 RDI: 0000000000000005
[  117.757973][  T926] RBP: 00007ffc841d8110 R08: 0000000000000000 R09: 0000000000000000
[  117.757974][  T926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913384


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
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars