======================================
| [    9.408760][  T187] softirqs last disabled at (33205): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.408762][  T187] Preemption disabled at:
| [    9.408763][  T187] 0x0
| [    9.408772][  T187] Tainted: [W]=WARN
[    9.408773][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.408775][  T187] Call Trace:
[    9.408776][  T187]  <TASK>
[    9.408778][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.408784][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.408788][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.408792][  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)
[    9.408797][  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))
[    9.408799][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.408805][  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)
[    9.408808][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.408811][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.408814][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.408815][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.408820][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.408825][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.408831][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.408833][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.408835][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.408839][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.408843][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.408845][  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))
[    9.408848][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.408850][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.408854][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.408858][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.408859][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.408865][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.408867][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.408869][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.408871][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.408875][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.408877][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.408880][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.408883][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.408887][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.408890][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.408894][  T187]  ? snapshot_read.cold (user.c:?)
[    9.408897][  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)
[    9.408899][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.408903][  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)
[    9.408905][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.408909][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.408911][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.408914][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.408918][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.408921][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.408923][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.408925][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.408928][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.408931][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.408933][  T187] RIP: 0033:0x7f1f8abaa1b8
[    9.408935][  T187] Code: Unable to access opcode bytes at 0x7f1f8abaa18e.

Code starting with the faulting instruction
===========================================
[    9.408936][  T187] RSP: 002b:00007ffc859bef48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.408939][  T187] RAX: ffffffffffffffda RBX: 00007f1f8acdaf88 RCX: 00007f1f8abaa1b8
[    9.408940][  T187] RDX: 00007f1f8a8f4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.408941][  T187] RBP: 00007ffc859befa0 R08: 0000000000000000 R09: 0000000000008010
[    9.408942][  T187] R10: 00007ffc859bed60 R11: 0000000000000246 R12: 0000000000000001
[    9.408942][  T187] R13: 0000000000000000 R14: 00007f1f8acd9680 R15: 00007f1f8acdafa0
| [   11.195811][  T256] softirqs last disabled at (23778): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.195814][  T256] Preemption disabled at:
| [   11.195814][  T256] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.195824][  T256] Tainted: [W]=WARN
[   11.195825][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.195826][  T256] Call Trace:
[   11.195828][  T256]  <TASK>
[   11.195829][  T256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.195835][  T256]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.195838][  T256]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.195842][  T256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.195846][  T256]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.195851][  T256]  __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))
[   11.195854][  T256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.195859][  T256]  ? 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)
[   11.195862][  T256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.195865][  T256]  put_chars (drivers/char/virtio_console.c:1176)
[   11.195867][  T256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.195872][  T256]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.195875][  T256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.195878][  T256]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.195880][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.195881][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.195885][  T256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.195887][  T256]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.195890][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.195895][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.195899][  T256]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.195902][  T256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.195904][  T256]  ? 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))
[   11.195907][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.195909][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.195913][  T256]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.195918][  T256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.195919][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.195925][  T256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.195927][  T256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.195929][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.195932][  T256]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.195935][  T256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.195937][  T256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.195940][  T256]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.195944][  T256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.195946][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.195948][  T256]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.195952][  T256]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.195956][  T256]  _printk (kernel/printk/printk.c:2504)
[   11.195959][  T256]  ? snapshot_read.cold (user.c:?)
[   11.195963][  T256]  ? br_multicast_flood (??:?) bridge
[   11.195978][  T256]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.195979][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.195980][  T256]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.195985][  T256] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.195995][  T256] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.196003][  T256] new_nbp (net/bridge/br_if.c:449) bridge
[   11.196012][  T256] br_add_if (net/bridge/br_if.c:592) bridge
[   11.196018][  T256]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.196022][  T256]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.196026][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   11.196029][  T256]  do_set_master (net/core/rtnetlink.c:3071)
[   11.196034][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.196037][  T256]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.196040][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.196041][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.196044][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.196048][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.196050][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.196052][  T256]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.196055][  T256]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.196058][  T256]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.196059][  T256]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.196062][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.196064][  T256]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.196067][  T256]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.196071][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.196073][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.196076][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.196078][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.196079][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.196081][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.196084][  T256]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.196087][  T256]  ? __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)
[   11.196089][  T256]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.196091][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.196094][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.196096][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.196101][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.196106][  T256]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.196111][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.196113][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.196117][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.196119][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.196121][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.196123][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.196127][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.196129][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.196131][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.196133][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.196137][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.196139][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.196142][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.196144][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.196147][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.196153][  T256]  ? 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))
[   11.196155][  T256]  ? 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))
[   11.196159][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.196162][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.196165][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.196169][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.196173][  T256]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.196176][  T256]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.196182][  T256]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.196184][  T256]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.196186][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.196188][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.196195][  T256]  ___sys_sendmsg (net/socket.c:2767)
[   11.196198][  T256]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.196213][  T256]  __sys_sendmsg (net/socket.c:2799)
[   11.196216][  T256]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.196222][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.196225][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.196228][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.196231][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.196233][  T256] RIP: 0033:0x7f769b08f54e
[   11.196236][  T256] 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
[   11.196238][  T256] RSP: 002b:00007ffdc78bb8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.196241][  T256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f769b08f54e
[   11.196242][  T256] RDX: 0000000000000000 RSI: 00007ffdc78bb970 RDI: 0000000000000005
[   11.196243][  T256] RBP: 00007ffdc78bb8d0 R08: 0000000000000000 R09: 0000000000000000
[   11.196244][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915812
[   11.196245][  T256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc78bc030
| [   14.047376][  T360] softirqs last disabled at (13598): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.047378][  T360] Preemption disabled at:
| [   14.047379][  T360] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.047388][  T360] Tainted: [W]=WARN
[   14.047389][  T360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.047391][  T360] Call Trace:
[   14.047392][  T360]  <TASK>
[   14.047394][  T360]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.047399][  T360]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.047402][  T360]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.047406][  T360]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.047411][  T360]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.047416][  T360]  __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))
[   14.047418][  T360]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.047423][  T360]  ? 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)
[   14.047426][  T360]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.047429][  T360]  put_chars (drivers/char/virtio_console.c:1176)
[   14.047431][  T360]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.047433][  T360]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.047436][  T360]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.047440][  T360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.047442][  T360]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.047446][  T360]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.047449][  T360]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.047450][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.047452][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.047456][  T360]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.047458][  T360]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.047461][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.047463][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.047467][  T360]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.047471][  T360]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.047473][  T360]  ? 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))
[   14.047476][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.047478][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.047482][  T360]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.047486][  T360]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.047488][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.047493][  T360]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.047496][  T360]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.047497][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.047500][  T360]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.047503][  T360]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.047505][  T360]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.047508][  T360]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.047512][  T360]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.047514][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.047517][  T360]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.047520][  T360]  _printk (kernel/printk/printk.c:2504)
[   14.047524][  T360]  ? snapshot_read.cold (user.c:?)
[   14.047528][  T360]  ? br_multicast_flood (??:?) bridge
[   14.047541][  T360]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.047542][  T360]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.047543][  T360]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.047548][  T360] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.047558][  T360] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.047566][  T360] new_nbp (net/bridge/br_if.c:449) bridge
[   14.047575][  T360] br_add_if (net/bridge/br_if.c:592) bridge
[   14.047582][  T360]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.047586][  T360]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.047589][  T360]  ? __kernel_text_address (kernel/extable.c:79)
[   14.047593][  T360]  do_set_master (net/core/rtnetlink.c:3071)
[   14.047597][  T360]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.047600][  T360]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.047603][  T360]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.047604][  T360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.047606][  T360]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.047610][  T360]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.047612][  T360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.047614][  T360]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.047617][  T360]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.047619][  T360]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.047621][  T360]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.047624][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.047625][  T360]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.047628][  T360]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.047633][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.047635][  T360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.047637][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.047639][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.047641][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.047643][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.047645][  T360]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.047649][  T360]  ? __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)
[   14.047651][  T360]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.047654][  T360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.047657][  T360]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.047659][  T360]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.047663][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.047668][  T360]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.047674][  T360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.047675][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.047680][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.047682][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.047684][  T360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.047685][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.047689][  T360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.047691][  T360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.047694][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.047695][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.047700][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.047707][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.047711][  T360]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.047713][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.047715][  T360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.047721][  T360]  ? 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))
[   14.047723][  T360]  ? 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))
[   14.047727][  T360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.047730][  T360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.047733][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.047737][  T360]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.047741][  T360]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.047744][  T360]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.047749][  T360]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.047752][  T360]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.047754][  T360]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.047755][  T360]  ? move_addr_to_kernel (net/socket.c:258)
[   14.047762][  T360]  ___sys_sendmsg (net/socket.c:2767)
[   14.047765][  T360]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.047780][  T360]  __sys_sendmsg (net/socket.c:2799)
[   14.047783][  T360]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.047789][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.047793][  T360]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.047795][  T360]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.047798][  T360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.047800][  T360] RIP: 0033:0x7f248984154e
[   14.047803][  T360] 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
[   14.047805][  T360] RSP: 002b:00007ffe82c23820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.047808][  T360] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f248984154e
[   14.047809][  T360] RDX: 0000000000000000 RSI: 00007ffe82c238d0 RDI: 0000000000000005
[   14.047810][  T360] RBP: 00007ffe82c23830 R08: 0000000000000000 R09: 0000000000000000
[   14.047811][  T360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915815
[   14.047812][  T360] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe82c23f90
| [   15.678385][    C3]
| [   15.678385][    C3]
| [   15.678385][    C3] stack backtrace:
| [   15.678391][    C3] Tainted: [W]=WARN
[   15.678392][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.678393][    C3] Call Trace:
[   15.678394][    C3]  <IRQ>
[   15.678395][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.678399][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   15.678402][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   15.678405][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   15.678406][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   15.678408][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   15.678410][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.678412][    C3]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.678414][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678417][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.678419][    C3]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.678421][    C3]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.678423][    C3]  console_emit_next_record (kernel/printk/printk.c:3177)
[   15.678425][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.678426][    C3]  ? 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))
[   15.678428][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678430][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.678432][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.678434][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.678436][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.678438][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.678440][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.678442][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678443][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.678445][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.678447][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.678449][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.678451][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.678453][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.678456][    C3]  _printk (kernel/printk/printk.c:2504)
[   15.678457][    C3]  ? snapshot_read.cold (user.c:?)
[   15.678459][    C3]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   15.678462][    C3]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   15.678469][    C3]  ? idr_get_free (??:?)
[   15.678471][    C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   15.678478][    C3]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   15.678485][    C3]  ? __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
[   15.678493][    C3]  ? 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
[   15.678500][    C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   15.678506][    C3]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   15.678513][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.678516][    C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   15.678522][    C3]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   15.678528][    C3]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   15.678531][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   15.678536][    C3]  ? do_xdp_generic (net/core/dev.c:5732)
[   15.678538][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.678540][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   15.678543][    C3]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842)
[   15.678546][    C3]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844)
[   15.678548][    C3]  ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029)
[   15.678549][    C3]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54))
[   15.678552][    C3]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   15.678555][    C3]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   15.678557][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.678558][    C3]  ? 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))
[   15.678560][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.678562][    C3]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   15.678564][    C3]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.678566][    C3]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   15.678568][    C3]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.678570][    C3]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.678572][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.678574][    C3]  napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865)
[   15.678576][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.678577][    C3]  ? netif_receive_skb_list (net/core/dev.c:6551)
[   15.678579][    C3]  ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2))
[   15.678581][    C3]  gro_cell_poll (net/core/gro_cells.c:76)
[   15.678584][    C3]  __napi_poll (net/core/dev.c:7787)
[   15.678586][    C3]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   15.678589][    C3]  ? __napi_poll (./include/net/gro.h:507)
[   15.678591][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.678593][    C3]  ? 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)
[   15.678595][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678598][    C3]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   15.678600][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678602][    C3]  handle_softirqs (kernel/softirq.c:645)
[   15.678604][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.678605][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.678607][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   15.678609][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   15.678610][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   15.678612][    C3]  </IRQ>
[   15.678612][    C3]  <TASK>
[   15.678613][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   15.678614][    C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   15.678617][    C3] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   15.678619][    C3] RSP: 0018:ffa00000014c7bf8 EFLAGS: 00000246
[   15.678621][    C3] RAX: 0000000000000096 RBX: ff11000001041440 RCX: ffffffffa23a8483
[   15.678622][    C3] RDX: ff11000010ecc6c0 RSI: ffffffffa2c38b01 RDI: ffffffffa268d8e0
[   15.678623][    C3] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[   15.678624][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: ff11000001041440
[   15.678625][    C3] R13: ffd40000002df490 R14: ffd40000002df480 R15: ff1100000b7d3a48
[   15.678626][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   15.678629][    C3]  get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3))
[   15.678631][    C3]  ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1))
[   15.678633][    C3]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[   15.678635][    C3]  kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010)
[   15.678636][    C3]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   15.678638][    C3]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   15.678640][    C3]  __create_object (mm/kmemleak.c:801)
[   15.678642][    C3]  __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5559)
[   15.678644][    C3]  ? 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))
[   15.678646][    C3]  ? fput_close_sync (fs/file_table.c:617)
[   15.678647][    C3]  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))
[   15.678649][    C3]  fput_close_sync (fs/file_table.c:617)
[   15.678651][    C3]  ? alloc_file_clone (fs/file_table.c:479)
[   15.678652][    C3]  ? 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)
[   15.678654][    C3]  __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545)
[   15.678656][    C3]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.678657][    C3]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.678659][    C3]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.678660][    C3] RIP: 0033:0x7fa06e52cf8b
[   15.678663][    C3] Code: 0f 1e fa 55 48 63 ff 45 31 c9 45 31 c0 31 c9 48 89 e5 48 83 ec 08 6a 01 e8 e2 55 f8 ff c9 c3 f3 0f 1e fa b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 39 4e 10 00 f7 d8
All code
========
   0:	0f 1e fa             	nop    %edx
   3:	55                   	push   %rbp
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 31 c9             	xor    %r9d,%r9d
   a:	45 31 c0             	xor    %r8d,%r8d
   d:	31 c9                	xor    %ecx,%ecx
   f:	48 89 e5             	mov    %rsp,%rbp
  12:	48 83 ec 08          	sub    $0x8,%rsp
  16:	6a 01                	push   $0x1
  18:	e8 e2 55 f8 ff       	call   0xfffffffffff855ff
  1d:	c9                   	leave
  1e:	c3                   	ret
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 03 00 00 00       	mov    $0x3,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 05                	ja     0x37
  32:	c3                   	ret
  33:	0f 1f 40 00          	nopl   0x0(%rax)
  37:	48 8b 15 39 4e 10 00 	mov    0x104e39(%rip),%rdx        # 0x104e77
  3e:	f7 d8                	neg    %eax

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 05                	ja     0xd
   8:	c3                   	ret
   9:	0f 1f 40 00          	nopl   0x0(%rax)
   d:	48 8b 15 39 4e 10 00 	mov    0x104e39(%rip),%rdx        # 0x104e4d
  14:	f7 d8                	neg    %eax
[   15.678664][    C3] RSP: 002b:00007ffca1d37448 EFLAGS: 00000297 ORIG_RAX: 0000000000000003
[   15.678665][    C3] RAX: ffffffffffffffda RBX: 000000002eb14010 RCX: 00007fa06e52cf8b
[   15.678666][    C3] RDX: 00007fa06e630ec0 RSI: 000000002eb14270 RDI: 0000000000000007
[   15.678667][    C3] RBP: 00007ffca1d37480 R08: 0000000000000000 R09: 0000000000000000
[   15.678668][    C3] R10: 0000000000000000 R11: 0000000000000297 R12: 00007fa06e631010
[   15.678669][    C3] R13: 0000000000000000 R14: 00007ffca1d3b8ed R15: 00007ffca1d39878
| [   15.678687][    C3] softirqs last disabled at (18753): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.678689][    C3] Preemption disabled at:
| [   15.678689][    C3] 0x0
| [   15.678693][    C3] Tainted: [W]=WARN
[   15.678694][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.678695][    C3] Call Trace:
[   15.678695][    C3]  <IRQ>
[   15.678696][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.678698][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.678701][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.678704][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678706][    C3]  __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))
[   15.678708][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.678716][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.678718][    C3]  ? 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)
[   15.678720][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.678722][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   15.678724][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.678726][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.678728][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5208)
[   15.678730][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.678731][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678733][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.678735][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.678737][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.678739][    C3]  ? 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))
[   15.678741][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678743][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.678745][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.678747][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.678748][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.678751][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.678752][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.678754][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678756][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.678758][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.678759][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.678761][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.678763][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.678765][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.678767][    C3]  _printk (kernel/printk/printk.c:2504)
[   15.678769][    C3]  ? snapshot_read.cold (user.c:?)
[   15.678770][    C3]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   15.678773][    C3]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   15.678779][    C3]  ? idr_get_free (??:?)
[   15.678782][    C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   15.678789][    C3]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   15.678795][    C3]  ? __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
[   15.678802][    C3]  ? 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
[   15.678808][    C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   15.678815][    C3]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   15.678822][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.678824][    C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   15.678831][    C3]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   15.678837][    C3]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   15.678839][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   15.678843][    C3]  ? do_xdp_generic (net/core/dev.c:5732)
[   15.678845][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.678847][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   15.678850][    C3]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842)
[   15.678851][    C3]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844)
[   15.678853][    C3]  ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029)
[   15.678854][    C3]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54))
[   15.678856][    C3]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   15.678859][    C3]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   15.678861][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.678862][    C3]  ? 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))
[   15.678864][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.678866][    C3]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   15.678868][    C3]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.678870][    C3]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   15.678871][    C3]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.678873][    C3]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.678875][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.678877][    C3]  napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865)
[   15.678879][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.678880][    C3]  ? netif_receive_skb_list (net/core/dev.c:6551)
[   15.678882][    C3]  ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2))
[   15.678884][    C3]  gro_cell_poll (net/core/gro_cells.c:76)
[   15.678887][    C3]  __napi_poll (net/core/dev.c:7787)
[   15.678889][    C3]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   15.678891][    C3]  ? __napi_poll (./include/net/gro.h:507)
[   15.678894][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.678895][    C3]  ? 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)
[   15.678896][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678899][    C3]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   15.678901][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.678903][    C3]  handle_softirqs (kernel/softirq.c:645)
[   15.678905][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.678906][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.678908][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   15.678910][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   15.678911][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   15.678913][    C3]  </IRQ>
[   15.678913][    C3]  <TASK>
[   15.678914][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   15.678915][    C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   15.678917][    C3] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   15.678918][    C3] RSP: 0018:ffa00000014c7bf8 EFLAGS: 00000246
[   15.678919][    C3] RAX: 0000000000000096 RBX: ff11000001041440 RCX: ffffffffa23a8483
[   15.678920][    C3] RDX: ff11000010ecc6c0 RSI: ffffffffa2c38b01 RDI: ffffffffa268d8e0
[   15.678921][    C3] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[   15.678921][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: ff11000001041440
[   15.678922][    C3] R13: ffd40000002df490 R14: ffd40000002df480 R15: ff1100000b7d3a48
[   15.678923][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   15.678926][    C3]  get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3))
[   15.678928][    C3]  ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1))
[   15.678930][    C3]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[   15.678932][    C3]  kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010)
[   15.678933][    C3]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   15.678936][    C3]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   15.678937][    C3]  __create_object (mm/kmemleak.c:801)
[   15.678939][    C3]  __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5559)
[   15.678941][    C3]  ? 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))
[   15.678943][    C3]  ? fput_close_sync (fs/file_table.c:617)
[   15.678944][    C3]  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))
[   15.678946][    C3]  fput_close_sync (fs/file_table.c:617)
[   15.678947][    C3]  ? alloc_file_clone (fs/file_table.c:479)
[   15.678949][    C3]  ? 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)
[   15.678951][    C3]  __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545)
[   15.678952][    C3]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.678954][    C3]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.678956][    C3]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.678957][    C3] RIP: 0033:0x7fa06e52cf8b
[   15.678958][    C3] Code: 0f 1e fa 55 48 63 ff 45 31 c9 45 31 c0 31 c9 48 89 e5 48 83 ec 08 6a 01 e8 e2 55 f8 ff c9 c3 f3 0f 1e fa b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 39 4e 10 00 f7 d8
All code
========
   0:	0f 1e fa             	nop    %edx
   3:	55                   	push   %rbp
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 31 c9             	xor    %r9d,%r9d
   a:	45 31 c0             	xor    %r8d,%r8d
   d:	31 c9                	xor    %ecx,%ecx
   f:	48 89 e5             	mov    %rsp,%rbp
  12:	48 83 ec 08          	sub    $0x8,%rsp
  16:	6a 01                	push   $0x1
  18:	e8 e2 55 f8 ff       	call   0xfffffffffff855ff
  1d:	c9                   	leave
  1e:	c3                   	ret
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 03 00 00 00       	mov    $0x3,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 05                	ja     0x37
  32:	c3                   	ret
  33:	0f 1f 40 00          	nopl   0x0(%rax)
  37:	48 8b 15 39 4e 10 00 	mov    0x104e39(%rip),%rdx        # 0x104e77
  3e:	f7 d8                	neg    %eax

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 05                	ja     0xd
   8:	c3                   	ret
   9:	0f 1f 40 00          	nopl   0x0(%rax)
   d:	48 8b 15 39 4e 10 00 	mov    0x104e39(%rip),%rdx        # 0x104e4d
  14:	f7 d8                	neg    %eax
[   15.678959][    C3] RSP: 002b:00007ffca1d37448 EFLAGS: 00000297 ORIG_RAX: 0000000000000003
[   15.678960][    C3] RAX: ffffffffffffffda RBX: 000000002eb14010 RCX: 00007fa06e52cf8b
[   15.678961][    C3] RDX: 00007fa06e630ec0 RSI: 000000002eb14270 RDI: 0000000000000007
[   15.678961][    C3] RBP: 00007ffca1d37480 R08: 0000000000000000 R09: 0000000000000000
[   15.678962][    C3] R10: 0000000000000000 R11: 0000000000000297 R12: 00007fa06e631010
[   15.678963][    C3] R13: 0000000000000000 R14: 00007ffca1d3b8ed R15: 00007ffca1d39878
| [   26.962837][   T12] softirqs last disabled at (44508): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   26.962840][   T12] Preemption disabled at:
| [   26.962840][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.962852][   T12] Tainted: [W]=WARN
[   26.962853][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.962855][   T12] Workqueue: netns cleanup_net
[   26.962861][   T12] Call Trace:
[   26.962863][   T12]  <TASK>
[   26.962864][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.962869][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.962872][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.962876][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.962879][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.962883][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.962887][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.962890][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.962894][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.962896][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.962897][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   26.962899][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   26.962901][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.962904][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.962906][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.962910][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.962911][   T12]  ? 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)
[   26.962913][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.962914][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.962916][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.962918][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.962920][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.962923][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.962925][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.962927][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.962929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.962930][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.962933][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.962935][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.962937][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.962940][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.962941][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.962943][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.962945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.962946][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.962948][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.962949][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   26.962952][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.962953][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.962956][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.962958][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.962960][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   26.962963][   T12]  ? kthread (kernel/kthread.c:436)
[   26.962965][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   26.962967][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   26.962970][   T12]  _printk (kernel/printk/printk.c:2504)
[   26.962973][   T12]  ? snapshot_read.cold (user.c:?)
[   26.962978][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.962981][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.962983][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.962985][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   26.962987][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.962989][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   26.962991][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   26.962993][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   26.962995][   T12]  ? 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)
[   26.962998][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   26.963001][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   26.963004][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   26.963019][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   26.963029][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   26.963037][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   26.963040][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   26.963042][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   26.963045][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   26.963047][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.963049][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[   26.963052][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.963053][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.963056][   T12]  process_one_work (kernel/workqueue.c:3387)
[   26.963059][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   26.963061][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.963064][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.963066][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   26.963069][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   26.963071][   T12]  kthread (kernel/kthread.c:436)
[   26.963073][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.963074][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   26.963076][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.963078][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   26.963080][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.963083][   T12]  ? 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