======================================
| [   11.018232][  T187] softirqs last disabled at (47889): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.018235][  T187] Preemption disabled at:
| [   11.018235][  T187] 0x0
| [   11.018245][  T187] Tainted: [W]=WARN
[   11.018246][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.018248][  T187] Call Trace:
[   11.018249][  T187]  <TASK>
[   11.018251][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.018257][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.018261][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.018265][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.018271][  T187]  __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))
[   11.018273][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.018279][  T187]  ? 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)
[   11.018282][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.018285][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   11.018288][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.018289][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.018294][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.018299][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.018305][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.018307][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.018310][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.018314][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.018318][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.018319][  T187]  ? 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))
[   11.018323][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.018325][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.018329][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.018333][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.018335][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.018340][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.018343][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.018345][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.018347][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.018351][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.018353][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.018357][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.018360][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.018364][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.018368][  T187]  _printk (kernel/printk/printk.c:2504)
[   11.018371][  T187]  ? snapshot_read.cold (user.c:?)
[   11.018374][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.018376][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.018380][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.018383][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.018387][  T187]  ? exit_notify (kernel/exit.c:780)
[   11.018389][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.018392][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.018396][  T187]  do_group_exit (kernel/exit.c:1151)
[   11.018399][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.018400][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.018402][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.018406][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.018409][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.018411][  T187] RIP: 0033:0x7fc06ceb01b8
[   11.018413][  T187] Code: Unable to access opcode bytes at 0x7fc06ceb018e.

Code starting with the faulting instruction
===========================================
[   11.018415][  T187] RSP: 002b:00007fff2de3df18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.018417][  T187] RAX: ffffffffffffffda RBX: 00007fc06cfe0f88 RCX: 00007fc06ceb01b8
[   11.018418][  T187] RDX: 00007fc06cbfafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.018419][  T187] RBP: 00007fff2de3df70 R08: 0000000000000000 R09: 0000000000008010
[   11.018420][  T187] R10: 00007fff2de3dd30 R11: 0000000000000246 R12: 0000000000000001
[   11.018421][  T187] R13: 0000000000000000 R14: 00007fc06cfdf680 R15: 00007fc06cfe0fa0
| [   13.045030][  T264] softirqs last disabled at (20808): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.045033][  T264] Preemption disabled at:
| [   13.045034][  T264] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.045043][  T264] Tainted: [W]=WARN
[   13.045044][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.045045][  T264] Call Trace:
[   13.045047][  T264]  <TASK>
[   13.045048][  T264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.045054][  T264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.045056][  T264]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.045061][  T264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.045065][  T264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.045070][  T264]  __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))
[   13.045072][  T264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.045078][  T264]  ? 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)
[   13.045080][  T264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.045084][  T264]  put_chars (drivers/char/virtio_console.c:1176)
[   13.045086][  T264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.045091][  T264]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.045094][  T264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.045097][  T264]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.045099][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.045100][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.045104][  T264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.045106][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.045110][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.045113][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.045117][  T264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.045121][  T264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.045123][  T264]  ? 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))
[   13.045126][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.045128][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.045132][  T264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.045136][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.045138][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.045143][  T264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.045146][  T264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.045148][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.045150][  T264]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.045154][  T264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.045155][  T264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.045158][  T264]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.045162][  T264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.045164][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.045166][  T264]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.045170][  T264]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.045174][  T264]  _printk (kernel/printk/printk.c:2504)
[   13.045177][  T264]  ? snapshot_read.cold (user.c:?)
[   13.045181][  T264]  ? br_multicast_flood (??:?) bridge
[   13.045194][  T264]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.045195][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.045196][  T264]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.045201][  T264] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.045211][  T264] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.045219][  T264] new_nbp (net/bridge/br_if.c:449) bridge
[   13.045228][  T264] br_add_if (net/bridge/br_if.c:592) bridge
[   13.045235][  T264]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.045238][  T264]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.045241][  T264]  ? __kernel_text_address (kernel/extable.c:79)
[   13.045245][  T264]  do_set_master (net/core/rtnetlink.c:3071)
[   13.045250][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.045253][  T264]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.045256][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.045257][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.045260][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.045263][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.045266][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.045267][  T264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.045270][  T264]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.045273][  T264]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.045274][  T264]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.045277][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.045279][  T264]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.045282][  T264]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.045286][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.045288][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.045290][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.045293][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.045294][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.045296][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.045298][  T264]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.045302][  T264]  ? __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)
[   13.045304][  T264]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.045306][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.045309][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.045311][  T264]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.045315][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.045321][  T264]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.045326][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.045328][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.045332][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.045334][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.045336][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.045338][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.045341][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.045343][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.045346][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.045348][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.045353][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.045355][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.045359][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.045361][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.045364][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.045370][  T264]  ? 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))
[   13.045371][  T264]  ? 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))
[   13.045376][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.045379][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.045382][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.045386][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.045390][  T264]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.045393][  T264]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.045399][  T264]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.045401][  T264]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.045403][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.045405][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   13.045412][  T264]  ___sys_sendmsg (net/socket.c:2767)
[   13.045415][  T264]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.045430][  T264]  __sys_sendmsg (net/socket.c:2799)
[   13.045433][  T264]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.045439][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.045443][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.045445][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.045448][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.045450][  T264] RIP: 0033:0x7fa52e7c354e
[   13.045454][  T264] 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
[   13.045456][  T264] RSP: 002b:00007ffd0d55c530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.045459][  T264] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa52e7c354e
[   13.045460][  T264] RDX: 0000000000000000 RSI: 00007ffd0d55c5e0 RDI: 0000000000000005
[   13.045461][  T264] RBP: 00007ffd0d55c540 R08: 0000000000000000 R09: 0000000000000000
[   13.045462][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913804
[   13.045462][  T264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0d55cca0
| [   16.119389][  T370] softirqs last disabled at (11686): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.119392][  T370] Preemption disabled at:
| [   16.119393][  T370] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.119406][  T370] Tainted: [W]=WARN
[   16.119407][  T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.119409][  T370] Call Trace:
[   16.119411][  T370]  <TASK>
[   16.119413][  T370]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.119421][  T370]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.119424][  T370]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.119430][  T370]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.119436][  T370]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.119443][  T370]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.119447][  T370]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.119455][  T370]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.119459][  T370]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.119464][  T370]  put_chars (drivers/char/virtio_console.c:1176)
[   16.119466][  T370]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.119470][  T370]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.119475][  T370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.119480][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.119484][  T370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.119490][  T370]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.119494][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.119496][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.119499][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.119505][  T370]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.119509][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.119514][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.119517][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.119524][  T370]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.119530][  T370]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.119533][  T370]  ? 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))
[   16.119538][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.119541][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.119548][  T370]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.119555][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.119557][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.119566][  T370]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.119571][  T370]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.119573][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.119577][  T370]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.119583][  T370]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.119585][  T370]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.119591][  T370]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.119597][  T370]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.119601][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.119605][  T370]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.119611][  T370]  _printk (kernel/printk/printk.c:2504)
[   16.119616][  T370]  ? snapshot_read.cold (user.c:?)
[   16.119622][  T370]  ? br_multicast_flood (??:?) bridge
[   16.119640][  T370]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.119643][  T370]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.119644][  T370]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.119652][  T370] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.119669][  T370] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.119683][  T370] new_nbp (net/bridge/br_if.c:449) bridge
[   16.119700][  T370] br_add_if (net/bridge/br_if.c:592) bridge
[   16.119712][  T370]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.119717][  T370]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.119722][  T370]  ? __kernel_text_address (kernel/extable.c:79)
[   16.119728][  T370]  do_set_master (net/core/rtnetlink.c:3071)
[   16.119736][  T370]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.119741][  T370]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.119745][  T370]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.119747][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.119750][  T370]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.119755][  T370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.119759][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.119762][  T370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.119766][  T370]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.119770][  T370]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.119772][  T370]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.119777][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.119779][  T370]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.119783][  T370]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.119790][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.119793][  T370]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.119797][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.119801][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.119803][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.119806][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.119809][  T370]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.119814][  T370]  ? __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)
[   16.119818][  T370]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.119822][  T370]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.119827][  T370]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.119830][  T370]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.119844][  T370]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.119853][  T370]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.119863][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.119866][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.119873][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.119876][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.119880][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.119883][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.119889][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.119892][  T370]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.119898][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.119900][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.119907][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.119910][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.119916][  T370]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.119919][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.119923][  T370]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.119934][  T370]  ? 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))
[   16.119937][  T370]  ? 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))
[   16.119944][  T370]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.119950][  T370]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.119955][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.119965][  T370]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.119972][  T370]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.119979][  T370]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.119987][  T370]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.119990][  T370]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.119994][  T370]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.119996][  T370]  ? move_addr_to_kernel (net/socket.c:258)
[   16.120009][  T370]  ___sys_sendmsg (net/socket.c:2767)
[   16.120014][  T370]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.120043][  T370]  __sys_sendmsg (net/socket.c:2799)
[   16.120047][  T370]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.120058][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.120064][  T370]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.120067][  T370]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.120072][  T370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.120075][  T370] RIP: 0033:0x7fd67cef854e
[   16.120080][  T370] 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
[   16.120082][  T370] RSP: 002b:00007ffd4a3b25e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.120085][  T370] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd67cef854e
[   16.120087][  T370] RDX: 0000000000000000 RSI: 00007ffd4a3b2690 RDI: 0000000000000005
[   16.120089][  T370] RBP: 00007ffd4a3b25f0 R08: 0000000000000000 R09: 0000000000000000
[   16.120090][  T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913807
[   16.120092][  T370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4a3b2d50
| [   18.168239][    C2]
| [   18.168239][    C2]
| [   18.168239][    C2] stack backtrace:
| [   18.168245][    C2] Tainted: [W]=WARN
[   18.168246][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.168248][    C2] Call Trace:
[   18.168249][    C2]  <IRQ>
[   18.168250][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.168254][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   18.168256][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   18.168259][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   18.168261][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   18.168263][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   18.168265][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.168266][    C2]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.168268][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.168271][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.168273][    C2]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.168275][    C2]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.168276][    C2]  console_emit_next_record (kernel/printk/printk.c:3177)
[   18.168278][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.168280][    C2]  ? 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))
[   18.168282][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.168283][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.168285][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.168287][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.168289][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.168291][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.168293][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.168295][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.168296][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.168298][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.168300][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.168302][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.168304][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.168306][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.168308][    C2]  _printk (kernel/printk/printk.c:2504)
[   18.168310][    C2]  ? snapshot_read.cold (user.c:?)
[   18.168311][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   18.168315][    C2]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   18.168322][    C2]  ? idr_get_free (??:?)
[   18.168324][    C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   18.168333][    C2]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   18.168340][    C2]  ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge
[   18.168349][    C2]  ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge
[   18.168356][    C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   18.168363][    C2]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   18.168369][    C2]  ? netif_receive_skb (./include/linux/cpumask.h:139 (discriminator 3) ./include/linux/cpumask.h:146 (discriminator 3) ./include/linux/cpumask.h:650 (discriminator 3) ./include/linux/cpumask.h:1232 (discriminator 3) ./include/trace/events/net.h:314 (discriminator 3) net/core/dev.c:6523 (discriminator 3))
[   18.168372][    C2]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   18.168379][    C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   18.168386][    C2]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   18.168392][    C2]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   18.168394][    C2]  ? br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   18.168401][    C2]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   18.168407][    C2]  ? __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   18.168410][    C2]  ? do_xdp_generic (net/core/dev.c:5732)
[   18.168412][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.168413][    C2]  ? do_xdp_generic (net/core/dev.c:5732)
[   18.168415][    C2]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844)
[   18.168418][    C2]  ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029)
[   18.168420][    C2]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54))
[   18.168423][    C2]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   18.168425][    C2]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   18.168427][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.168428][    C2]  ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2))
[   18.168431][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.168432][    C2]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   18.168434][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.168436][    C2]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   18.168437][    C2]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.168439][    C2]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.168441][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.168443][    C2]  napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865)
[   18.168444][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.168446][    C2]  ? netif_receive_skb_list (net/core/dev.c:6551)
[   18.168448][    C2]  ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2))
[   18.168450][    C2]  gro_cell_poll (net/core/gro_cells.c:76)
[   18.168453][    C2]  __napi_poll (net/core/dev.c:7787)
[   18.168455][    C2]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   18.168457][    C2]  ? __napi_poll (./include/net/gro.h:507)
[   18.168459][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.168461][    C2]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   18.168464][    C2]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   18.168467][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.168468][    C2]  handle_softirqs (kernel/softirq.c:645)
[   18.168470][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.168472][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   18.168474][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   18.168475][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   18.168476][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   18.168478][    C2]  </IRQ>
[   18.168478][    C2]  <TASK>
[   18.168479][    C2]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   18.168481][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   18.168482][    C2] RIP: 0010:lock_is_held_type (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5984)
[   18.168484][    C2] Code: ff ff ff 65 0f c1 15 12 de f5 01 83 fa 01 8b 44 24 04 75 55 9c 5a 80 e6 02 75 6f 41 f7 c6 00 02 00 00 74 2c fb 48 8b 5c 24 08 <4c> 8b 74 24 28 4c 8b 7c 24 30 48 8b 6c 24 10 48 83 c4 38 c3 b8 ff
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 65 0f             	jmp    *0xf(%rbp)
   5:	c1 15 12 de f5 01 83 	rcll   $0x83,0x1f5de12(%rip)        # 0x1f5de1e
   c:	fa                   	cli
   d:	01 8b 44 24 04 75    	add    %ecx,0x75042444(%rbx)
  13:	55                   	push   %rbp
  14:	9c                   	pushf
  15:	5a                   	pop    %rdx
  16:	80 e6 02             	and    $0x2,%dh
  19:	75 6f                	jne    0x8a
  1b:	41 f7 c6 00 02 00 00 	test   $0x200,%r14d
  22:	74 2c                	je     0x50
  24:	fb                   	sti
  25:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
  2a:*	4c 8b 74 24 28       	mov    0x28(%rsp),%r14		<-- trapping instruction
  2f:	4c 8b 7c 24 30       	mov    0x30(%rsp),%r15
  34:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
  39:	48 83 c4 38          	add    $0x38,%rsp
  3d:	c3                   	ret
  3e:	b8                   	.byte 0xb8
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	4c 8b 74 24 28       	mov    0x28(%rsp),%r14
   5:	4c 8b 7c 24 30       	mov    0x30(%rsp),%r15
   a:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
   f:	48 83 c4 38          	add    $0x38,%rsp
  13:	c3                   	ret
  14:	b8                   	.byte 0xb8
  15:	ff                   	.byte 0xff
[   18.168486][    C2] RSP: 0018:ffa0000001f376b8 EFLAGS: 00000206
[   18.168489][    C2] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
[   18.168490][    C2] RDX: 0000000000000046 RSI: ffffffff9e821b20 RDI: ffffffff9e28d8e0
[   18.168491][    C2] RBP: ff11000010bf2380 R08: 0000000000000001 R09: 0000000000000000
[   18.168492][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ffa0000001f37768
[   18.168492][    C2] R13: 000000000000000c R14: 0000000000000246 R15: 00000000ffffffff
[   18.168495][    C2]  rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.168497][    C2]  stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.168499][    C2]  ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   18.168500][    C2]  set_track_prepare (mm/slub.c:1075)
[   18.168501][    C2]  ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   18.168503][    C2]  ? tear_down_vmas (mm/mmap.c:1277)
[   18.168504][    C2]  ? exit_mmap (mm/mmap.c:1335)
[   18.168505][    C2]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   18.168506][    C2]  ? setup_new_exec (fs/exec.c:919 fs/exec.c:1380)
[   18.168508][    C2]  ? load_elf_binary (fs/binfmt_elf.c:1024)
[   18.168509][    C2]  ? exec_binprm (fs/exec.c:1759 fs/exec.c:1791)
[   18.168511][    C2]  ? bprm_execve (fs/exec.c:1847 fs/exec.c:1823)
[   18.168512][    C2]  ? do_execveat_common.isra.0 (fs/exec.c:1945)
[   18.168514][    C2]  ? __x64_sys_execve (fs/exec.c:2018 (discriminator 2) fs/exec.c:2012 (discriminator 2) fs/exec.c:2012 (discriminator 2))
[   18.168515][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.168516][    C2]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.168518][    C2]  ___slab_alloc (mm/slub.c:1104 mm/slub.c:4601)
[   18.168519][    C2]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[   18.168521][    C2]  __kmalloc_cache_noprof (mm/slub.c:4987 mm/slub.c:5559)
[   18.168523][    C2]  ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   18.168525][    C2]  ? tear_down_vmas (mm/mmap.c:1277)
[   18.168526][    C2]  kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   18.168528][    C2]  ? fput (./include/linux/preempt.h:500 ./include/linux/file_ref.h:150 fs/file_table.c:588)
[   18.168531][    C2]  tear_down_vmas (mm/mmap.c:1277)
[   18.168533][    C2]  exit_mmap (mm/mmap.c:1335)
[   18.168535][    C2]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   18.168536][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.168538][    C2]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.168540][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.168541][    C2]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   18.168547][    C2]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   18.168549][    C2]  setup_new_exec (fs/exec.c:919 fs/exec.c:1380)
[   18.168551][    C2]  load_elf_binary (fs/binfmt_elf.c:1024)
[   18.168553][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.168555][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.168556][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.168557][    C2]  ? load_elf_interp.isra.0 (fs/binfmt_elf.c:690 (discriminator 4))
[   18.168559][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.168560][    C2]  ? exec_binprm (fs/exec.c:1757 fs/exec.c:1791)
[   18.168562][    C2]  exec_binprm (fs/exec.c:1759 fs/exec.c:1791)
[   18.168565][    C2]  ? check_unsafe_exec (fs/exec.c:1617)
[   18.168567][    C2]  bprm_execve (fs/exec.c:1847 fs/exec.c:1823)
[   18.168569][    C2]  do_execveat_common.isra.0 (fs/exec.c:1945)
[   18.168571][    C2]  __x64_sys_execve (fs/exec.c:2018 (discriminator 2) fs/exec.c:2012 (discriminator 2) fs/exec.c:2012 (discriminator 2))
[   18.168573][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.168575][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.168576][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.168578][    C2] RIP: 0033:0x7ffb586b6f4b
[   18.168583][    C2] Code: Unable to access opcode bytes at 0x7ffb586b6f21.

Code starting with the faulting instruction
===========================================
[   18.168584][    C2] RSP: 002b:00007fff16e2b4d8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
[   18.168586][    C2] RAX: ffffffffffffffda RBX: 0000557d813434b0 RCX: 00007ffb586b6f4b
[   18.168587][    C2] RDX: 0000557d81327140 RSI: 0000557d81343460 RDI: 0000557d813434b0
[   18.168588][    C2] RBP: 00007fff16e2b5c0 R08: 00007fff16e2b400 R09: 0000557d81327140
[   18.168588][    C2] R10: 0000000000000008 R11: 0000000000000202 R12: 0000557d813434b0
[   18.168589][    C2] R13: 0000000000000000 R14: 0000557d81343460 R15: 0000557d81327140
| [   18.168606][    C2] softirqs last disabled at (9113): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.168607][    C2] Preemption disabled at:
| [   18.168608][    C2] 0x0
| [   18.168612][    C2] Tainted: [W]=WARN
[   18.168612][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.168613][    C2] Call Trace:
[   18.168613][    C2]  <IRQ>
[   18.168614][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.168616][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.168619][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.168622][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.168624][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.168626][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.168627][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.168629][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.168631][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.168633][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   18.168635][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.168637][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.168639][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5208)
[   18.168641][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.168642][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.168644][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.168646][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.168648][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.168650][    C2]  ? 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))
[   18.168652][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.168653][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.168655][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.168657][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.168659][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.168661][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.168663][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.168665][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.168667][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.168668][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.168670][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.168672][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.168674][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.168676][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.168678][    C2]  _printk (kernel/printk/printk.c:2504)
[   18.168680][    C2]  ? snapshot_read.cold (user.c:?)
[   18.168681][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   18.168683][    C2]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   18.168690][    C2]  ? idr_get_free (??:?)
[   18.168693][    C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   18.168701][    C2]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   18.168708][    C2]  ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge
[   18.168715][    C2]  ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge
[   18.168721][    C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   18.168729][    C2]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   18.168735][    C2]  ? netif_receive_skb (./include/linux/cpumask.h:139 (discriminator 3) ./include/linux/cpumask.h:146 (discriminator 3) ./include/linux/cpumask.h:650 (discriminator 3) ./include/linux/cpumask.h:1232 (discriminator 3) ./include/trace/events/net.h:314 (discriminator 3) net/core/dev.c:6523 (discriminator 3))
[   18.168737][    C2]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   18.168744][    C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   18.168751][    C2]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   18.168757][    C2]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   18.168759][    C2]  ? br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   18.168766][    C2]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   18.168772][    C2]  ? __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   18.168775][    C2]  ? do_xdp_generic (net/core/dev.c:5732)
[   18.168776][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.168778][    C2]  ? do_xdp_generic (net/core/dev.c:5732)
[   18.168780][    C2]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844)
[   18.168782][    C2]  ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029)
[   18.168783][    C2]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54))
[   18.168785][    C2]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   18.168788][    C2]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   18.168789][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.168791][    C2]  ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2))
[   18.168793][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.168795][    C2]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   18.168797][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.168798][    C2]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   18.168800][    C2]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.168801][    C2]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.168803][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.168805][    C2]  napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865)
[   18.168807][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.168808][    C2]  ? netif_receive_skb_list (net/core/dev.c:6551)
[   18.168810][    C2]  ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2))
[   18.168813][    C2]  gro_cell_poll (net/core/gro_cells.c:76)
[   18.168815][    C2]  __napi_poll (net/core/dev.c:7787)
[   18.168817][    C2]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   18.168820][    C2]  ? __napi_poll (./include/net/gro.h:507)
[   18.168822][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.168824][    C2]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   18.168826][    C2]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   18.168827][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.168829][    C2]  handle_softirqs (kernel/softirq.c:645)
[   18.168831][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.168833][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   18.168834][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   18.168836][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   18.168837][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   18.168842][    C2]  </IRQ>
[   18.168843][    C2]  <TASK>
[   18.168844][    C2]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   18.168845][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   18.168846][    C2] RIP: 0010:lock_is_held_type (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5984)
[   18.168848][    C2] Code: ff ff ff 65 0f c1 15 12 de f5 01 83 fa 01 8b 44 24 04 75 55 9c 5a 80 e6 02 75 6f 41 f7 c6 00 02 00 00 74 2c fb 48 8b 5c 24 08 <4c> 8b 74 24 28 4c 8b 7c 24 30 48 8b 6c 24 10 48 83 c4 38 c3 b8 ff
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 65 0f             	jmp    *0xf(%rbp)
   5:	c1 15 12 de f5 01 83 	rcll   $0x83,0x1f5de12(%rip)        # 0x1f5de1e
   c:	fa                   	cli
   d:	01 8b 44 24 04 75    	add    %ecx,0x75042444(%rbx)
  13:	55                   	push   %rbp
  14:	9c                   	pushf
  15:	5a                   	pop    %rdx
  16:	80 e6 02             	and    $0x2,%dh
  19:	75 6f                	jne    0x8a
  1b:	41 f7 c6 00 02 00 00 	test   $0x200,%r14d
  22:	74 2c                	je     0x50
  24:	fb                   	sti
  25:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
  2a:*	4c 8b 74 24 28       	mov    0x28(%rsp),%r14		<-- trapping instruction
  2f:	4c 8b 7c 24 30       	mov    0x30(%rsp),%r15
  34:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
  39:	48 83 c4 38          	add    $0x38,%rsp
  3d:	c3                   	ret
  3e:	b8                   	.byte 0xb8
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	4c 8b 74 24 28       	mov    0x28(%rsp),%r14
   5:	4c 8b 7c 24 30       	mov    0x30(%rsp),%r15
   a:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
   f:	48 83 c4 38          	add    $0x38,%rsp
  13:	c3                   	ret
  14:	b8                   	.byte 0xb8
  15:	ff                   	.byte 0xff
[   18.168849][    C2] RSP: 0018:ffa0000001f376b8 EFLAGS: 00000206
[   18.168850][    C2] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
[   18.168851][    C2] RDX: 0000000000000046 RSI: ffffffff9e821b20 RDI: ffffffff9e28d8e0
[   18.168852][    C2] RBP: ff11000010bf2380 R08: 0000000000000001 R09: 0000000000000000
[   18.168852][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ffa0000001f37768
[   18.168853][    C2] R13: 000000000000000c R14: 0000000000000246 R15: 00000000ffffffff
[   18.168856][    C2]  rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.168857][    C2]  stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.168859][    C2]  ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   18.168861][    C2]  set_track_prepare (mm/slub.c:1075)
[   18.168862][    C2]  ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   18.168863][    C2]  ? tear_down_vmas (mm/mmap.c:1277)
[   18.168865][    C2]  ? exit_mmap (mm/mmap.c:1335)
[   18.168866][    C2]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   18.168867][    C2]  ? setup_new_exec (fs/exec.c:919 fs/exec.c:1380)
[   18.168869][    C2]  ? load_elf_binary (fs/binfmt_elf.c:1024)
[   18.168870][    C2]  ? exec_binprm (fs/exec.c:1759 fs/exec.c:1791)
[   18.168871][    C2]  ? bprm_execve (fs/exec.c:1847 fs/exec.c:1823)
[   18.168873][    C2]  ? do_execveat_common.isra.0 (fs/exec.c:1945)
[   18.168874][    C2]  ? __x64_sys_execve (fs/exec.c:2018 (discriminator 2) fs/exec.c:2012 (discriminator 2) fs/exec.c:2012 (discriminator 2))
[   18.168876][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.168877][    C2]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.168878][    C2]  ___slab_alloc (mm/slub.c:1104 mm/slub.c:4601)
[   18.168880][    C2]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[   18.168882][    C2]  __kmalloc_cache_noprof (mm/slub.c:4987 mm/slub.c:5559)
[   18.168884][    C2]  ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   18.168885][    C2]  ? tear_down_vmas (mm/mmap.c:1277)
[   18.168887][    C2]  kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   18.168888][    C2]  ? fput (./include/linux/preempt.h:500 ./include/linux/file_ref.h:150 fs/file_table.c:588)
[   18.168890][    C2]  tear_down_vmas (mm/mmap.c:1277)
[   18.168892][    C2]  exit_mmap (mm/mmap.c:1335)
[   18.168894][    C2]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   18.168896][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.168897][    C2]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.168899][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.168900][    C2]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   18.168904][    C2]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   18.168906][    C2]  setup_new_exec (fs/exec.c:919 fs/exec.c:1380)
[   18.168908][    C2]  load_elf_binary (fs/binfmt_elf.c:1024)
[   18.168910][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.168912][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.168913][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.168915][    C2]  ? load_elf_interp.isra.0 (fs/binfmt_elf.c:690 (discriminator 4))
[   18.168916][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.168917][    C2]  ? exec_binprm (fs/exec.c:1757 fs/exec.c:1791)
[   18.168920][    C2]  exec_binprm (fs/exec.c:1759 fs/exec.c:1791)
[   18.168922][    C2]  ? check_unsafe_exec (fs/exec.c:1617)
[   18.168924][    C2]  bprm_execve (fs/exec.c:1847 fs/exec.c:1823)
[   18.168926][    C2]  do_execveat_common.isra.0 (fs/exec.c:1945)
[   18.168929][    C2]  __x64_sys_execve (fs/exec.c:2018 (discriminator 2) fs/exec.c:2012 (discriminator 2) fs/exec.c:2012 (discriminator 2))
[   18.168931][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.168932][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.168933][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.168935][    C2] RIP: 0033:0x7ffb586b6f4b
[   18.168936][    C2] Code: Unable to access opcode bytes at 0x7ffb586b6f21.

Code starting with the faulting instruction
===========================================
[   18.168937][    C2] RSP: 002b:00007fff16e2b4d8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
[   18.168938][    C2] RAX: ffffffffffffffda RBX: 0000557d813434b0 RCX: 00007ffb586b6f4b
[   18.168939][    C2] RDX: 0000557d81327140 RSI: 0000557d81343460 RDI: 0000557d813434b0
[   18.168939][    C2] RBP: 00007fff16e2b5c0 R08: 00007fff16e2b400 R09: 0000557d81327140
[   18.168940][    C2] R10: 0000000000000008 R11: 0000000000000202 R12: 0000557d813434b0
[   18.168940][    C2] R13: 0000000000000000 R14: 0000557d81343460 R15: 0000557d81327140
| [   29.182079][   T70] softirqs last disabled at (39560): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   29.182082][   T70] Preemption disabled at:
| [   29.182083][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.182098][   T70] Tainted: [W]=WARN
[   29.182099][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.182102][   T70] Workqueue: netns cleanup_net
[   29.182109][   T70] Call Trace:
[   29.182110][   T70]  <TASK>
[   29.182112][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.182119][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.182122][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.182127][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.182131][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182136][   T70]  __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))
[   29.182140][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.182144][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.182149][   T70]  ? 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)
[   29.182151][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.182154][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   29.182157][   T70]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.182159][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.182163][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.182166][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.182171][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.182172][   T70]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   29.182175][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.182177][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182179][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182182][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.182185][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.182189][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.182191][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182194][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182196][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182199][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.182202][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.182204][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.182207][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.182211][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.182214][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.182216][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.182218][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182221][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.182223][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.182225][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.182228][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.182231][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.182234][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.182237][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.182239][   T70]  ? process_one_work (kernel/workqueue.c:3387)
[   29.182242][   T70]  ? kthread (kernel/kthread.c:436)
[   29.182245][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   29.182248][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   29.182252][   T70]  _printk (kernel/printk/printk.c:2504)
[   29.182255][   T70]  ? snapshot_read.cold (user.c:?)
[   29.182259][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.182262][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.182265][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.182268][   T70]  ? netdev_notice (net/core/dev.c:13194)
[   29.182270][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182273][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   29.182275][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.182278][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   29.182281][   T70]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.182284][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   29.182288][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[   29.182291][   T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   29.182311][   T70] br_dev_delete (net/bridge/br_if.c:387) bridge
[   29.182324][   T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   29.182336][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   29.182339][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   29.182342][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.182346][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   29.182349][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.182351][   T70]  ? update_load_avg (kernel/sched/fair.c:5864)
[   29.182357][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.182359][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.182363][   T70]  process_one_work (kernel/workqueue.c:3387)
[   29.182367][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   29.182370][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.182373][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.182377][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   29.182380][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.182383][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.182385][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.182388][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.182390][   T70]  kthread (kernel/kthread.c:436)
[   29.182393][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.182395][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.182398][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.182401][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   29.182403][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.182407][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print