======================================
| [   11.555971][  T236] softirqs last disabled at (22082): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.555974][  T236] Preemption disabled at:
| [   11.555974][  T236] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.555983][  T236] Tainted: [W]=WARN
[   11.555984][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.555986][  T236] Call Trace:
[   11.555988][  T236]  <TASK>
[   11.555989][  T236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.555995][  T236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.555997][  T236]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.556002][  T236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.556006][  T236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.556011][  T236]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.556014][  T236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.556019][  T236]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.556022][  T236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.556025][  T236]  put_chars (drivers/char/virtio_console.c:1176)
[   11.556028][  T236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.556032][  T236]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.556036][  T236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.556039][  T236]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.556041][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.556043][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.556047][  T236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.556049][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.556052][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.556056][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.556060][  T236]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.556064][  T236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.556066][  T236]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.556069][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.556072][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.556076][  T236]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.556080][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.556082][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.556087][  T236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.556090][  T236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.556092][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.556095][  T236]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.556098][  T236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.556100][  T236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.556104][  T236]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.556108][  T236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.556110][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.556112][  T236]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.556116][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.556120][  T236]  _printk (kernel/printk/printk.c:2504)
[   11.556124][  T236]  ? snapshot_read.cold (user.c:?)
[   11.556128][  T236]  ? br_multicast_flood (??:?) bridge
[   11.556141][  T236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.556142][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.556143][  T236]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.556148][  T236] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.556158][  T236] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.556168][  T236] new_nbp (net/bridge/br_if.c:449) bridge
[   11.556179][  T236] br_add_if (net/bridge/br_if.c:592) bridge
[   11.556187][  T236]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.556192][  T236]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.556196][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   11.556201][  T236]  do_set_master (net/core/rtnetlink.c:3071)
[   11.556206][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.556210][  T236]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.556213][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.556215][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.556217][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.556221][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.556224][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.556226][  T236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.556229][  T236]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.556233][  T236]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.556235][  T236]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.556238][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.556240][  T236]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.556243][  T236]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.556248][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.556250][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.556253][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.556256][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.556258][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.556260][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.556263][  T236]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.556267][  T236]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.556269][  T236]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.556272][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.556276][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.556280][  T236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.556287][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.556294][  T236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.556300][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.556302][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.556307][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.556309][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.556312][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.556314][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.556318][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.556321][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.556324][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.556326][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.556331][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.556333][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.556338][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.556340][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.556343][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.556350][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.556352][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.556357][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.556362][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.556365][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.556370][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.556374][  T236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.556379][  T236]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.556385][  T236]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.556387][  T236]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.556390][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.556392][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   11.556401][  T236]  ___sys_sendmsg (net/socket.c:2767)
[   11.556404][  T236]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.556424][  T236]  __sys_sendmsg (net/socket.c:2799)
[   11.556427][  T236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.556434][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.556439][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.556441][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.556445][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.556447][  T236] RIP: 0033:0x7f0b2f33254e
[   11.556451][  T236] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.556454][  T236] RSP: 002b:00007ffcc76203e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.556457][  T236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0b2f33254e
[   11.556458][  T236] RDX: 0000000000000000 RSI: 00007ffcc7620490 RDI: 0000000000000005
[   11.556460][  T236] RBP: 00007ffcc76203f0 R08: 0000000000000000 R09: 0000000000000000
[   11.556461][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916473
[   11.556462][  T236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc7620b50
| [   17.299225][  T274] softirqs last disabled at (31661): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.299228][  T274] Preemption disabled at:
| [   17.299229][  T274] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.299238][  T274] Tainted: [W]=WARN
[   17.299239][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.299240][  T274] Call Trace:
[   17.299242][  T274]  <TASK>
[   17.299243][  T274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.299249][  T274]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.299252][  T274]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.299256][  T274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.299260][  T274]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.299265][  T274]  __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))
[   17.299268][  T274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.299274][  T274]  ? 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)
[   17.299276][  T274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.299282][  T274]  put_chars (drivers/char/virtio_console.c:1176)
[   17.299284][  T274]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.299286][  T274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.299289][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.299292][  T274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.299296][  T274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.299299][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.299301][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.299305][  T274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.299307][  T274]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.299310][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.299313][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.299317][  T274]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.299321][  T274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.299323][  T274]  ? 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))
[   17.299326][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.299328][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.299332][  T274]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.299336][  T274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.299338][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.299343][  T274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.299346][  T274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.299348][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.299350][  T274]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.299354][  T274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.299356][  T274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.299359][  T274]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.299363][  T274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.299369][  T274]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   17.299372][  T274]  _printk (kernel/printk/printk.c:2504)
[   17.299376][  T274]  ? snapshot_read.cold (user.c:?)
[   17.299382][  T274]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   17.299385][  T274] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.299388][  T274]  do_one_initcall (init/main.c:1357)
[   17.299391][  T274]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.299395][  T274]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.299399][  T274]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.299403][  T274]  do_init_module (kernel/module/main.c:3117)
[   17.299407][  T274]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.299411][  T274]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.299414][  T274]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.299419][  T274]  load_module (kernel/module/main.c:3593)
[   17.299426][  T274]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.299430][  T274]  ? __ia32_sys_fsconfig (??:?)
[   17.299433][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.299436][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.299440][  T274]  init_module_from_file (kernel/module/main.c:3790)
[   17.299443][  T274]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.299451][  T274]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.299454][  T274]  ? 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)
[   17.299458][  T274]  idempotent_init_module (kernel/module/main.c:3802)
[   17.299461][  T274]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.299467][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.299470][  T274]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.299476][  T274]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.299478][  T274]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.299482][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.299484][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.299486][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.299489][  T274] RIP: 0033:0x7ffb34f9937d
[   17.299492][  T274] 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
[   17.299495][  T274] RSP: 002b:00007ffed382afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.299497][  T274] RAX: ffffffffffffffda RBX: 0000564a3caa8810 RCX: 00007ffb34f9937d
[   17.299499][  T274] RDX: 0000000000000000 RSI: 0000564a056fcffd RDI: 0000000000000000
[   17.299500][  T274] RBP: 00007ffed382b080 R08: 0000000000000000 R09: 0000000000000000
[   17.299501][  T274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a056fcffd
[   17.299501][  T274] R13: 0000564a3caa8960 R14: 0000000000040000 R15: 0000000000000000
| [   22.567780][  T606] softirqs last disabled at (21186): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   22.567788][  T606] Preemption disabled at:
| [   22.567788][  T606] 0x0
| [   22.567798][  T606] Tainted: [W]=WARN
[   22.567799][  T606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.567800][  T606] Call Trace:
[   22.567802][  T606]  <TASK>
[   22.567803][  T606]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.567809][  T606]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.567814][  T606]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.567818][  T606]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.567823][  T606]  __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))
[   22.567826][  T606]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.567831][  T606]  ? 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)
[   22.567834][  T606]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.567837][  T606]  put_chars (drivers/char/virtio_console.c:1176)
[   22.567839][  T606]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   22.567841][  T606]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.567844][  T606]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.567847][  T606]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.567851][  T606]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.567854][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.567856][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.567860][  T606]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.567861][  T606]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.567864][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.567867][  T606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.567871][  T606]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.567875][  T606]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.567877][  T606]  ? 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))
[   22.567880][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.567882][  T606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.567886][  T606]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.567890][  T606]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.567891][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.567896][  T606]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.567899][  T606]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.567901][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.567903][  T606]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.567907][  T606]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.567909][  T606]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.567912][  T606]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.567916][  T606]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.567919][  T606]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.567922][  T606]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.567925][  T606]  _printk (kernel/printk/printk.c:2504)
[   22.567929][  T606]  ? snapshot_read.cold (user.c:?)
[   22.567936][  T606] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   22.567946][  T606] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   22.567955][  T606] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   22.567962][  T606] br_dev_stop (net/bridge/br_device.c:193) bridge
[   22.567971][  T606]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.567974][  T606]  __dev_close_many (net/core/dev.c:1798)
[   22.567978][  T606]  ? netif_open (net/core/dev.c:1755)
[   22.567980][  T606]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.567982][  T606]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.567986][  T606]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   22.567989][  T606]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   22.567992][  T606]  ? __kernel_text_address (kernel/extable.c:79)
[   22.567995][  T606]  ? write_profile (profile.c:?)
[   22.567997][  T606]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.568002][  T606]  netif_change_flags (net/core/dev.c:9877)
[   22.568006][  T606]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   22.568009][  T606]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.568011][  T606]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.568012][  T606]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.568014][  T606]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.568018][  T606]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.568020][  T606]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.568022][  T606]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.568024][  T606]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.568028][  T606]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.568029][  T606]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.568032][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.568034][  T606]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   22.568036][  T606]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.568041][  T606]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.568043][  T606]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.568045][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.568048][  T606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.568049][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.568051][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.568053][  T606]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.568057][  T606]  ? __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)
[   22.568060][  T606]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.568062][  T606]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.568065][  T606]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.568071][  T606]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.568076][  T606]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.568081][  T606]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.568083][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.568087][  T606]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.568089][  T606]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.568091][  T606]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.568093][  T606]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.568096][  T606]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.568098][  T606]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.568101][  T606]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.568103][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.568107][  T606]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.568109][  T606]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.568112][  T606]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.568114][  T606]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.568117][  T606]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.568123][  T606]  ? 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))
[   22.568124][  T606]  ? 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))
[   22.568128][  T606]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.568132][  T606]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.568135][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.568139][  T606]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.568142][  T606]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.568146][  T606]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.568152][  T606]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.568154][  T606]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.568156][  T606]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.568158][  T606]  ? move_addr_to_kernel (net/socket.c:258)
[   22.568165][  T606]  ___sys_sendmsg (net/socket.c:2767)
[   22.568168][  T606]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.568183][  T606]  __sys_sendmsg (net/socket.c:2799)
[   22.568186][  T606]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.568192][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.568196][  T606]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.568198][  T606]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.568201][  T606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.568203][  T606] RIP: 0033:0x7f5cff7d354e
[   22.568205][  T606] 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
[   22.568208][  T606] RSP: 002b:00007ffd868ffd80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.568210][  T606] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5cff7d354e
[   22.568211][  T606] RDX: 0000000000000000 RSI: 00007ffd868ffe30 RDI: 0000000000000005
[   22.568212][  T606] RBP: 00007ffd868ffd90 R08: 0000000000000000 R09: 0000000000000000
[   22.568213][  T606] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91647e


Finger prints:
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars