======================================
| [    9.792443][  T187] softirqs last disabled at (40258): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.792445][  T187] Preemption disabled at:
| [    9.792446][  T187] 0x0
| [    9.792457][  T187] Tainted: [W]=WARN
[    9.792458][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.792460][  T187] Call Trace:
[    9.792461][  T187]  <TASK>
[    9.792463][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.792469][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.792474][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.792478][  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)
[    9.792483][  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))
[    9.792485][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.792491][  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)
[    9.792494][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.792497][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.792500][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.792501][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.792506][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.792511][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.792518][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.792520][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.792523][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.792527][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.792531][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.792533][  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))
[    9.792537][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.792539][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.792543][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.792547][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.792549][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.792555][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.792558][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.792560][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.792562][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.792566][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.792568][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.792572][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.792575][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.792579][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.792583][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.792587][  T187]  ? snapshot_read.cold (user.c:?)
[    9.792590][  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)
[    9.792592][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.792596][  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)
[    9.792599][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.792603][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.792605][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.792608][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.792613][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.792616][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.792618][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.792620][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.792623][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.792626][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.792628][  T187] RIP: 0033:0x7f51e98f91b8
[    9.792631][  T187] Code: Unable to access opcode bytes at 0x7f51e98f918e.

Code starting with the faulting instruction
===========================================
[    9.792632][  T187] RSP: 002b:00007ffc7d1b91a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.792634][  T187] RAX: ffffffffffffffda RBX: 00007f51e9a29f88 RCX: 00007f51e98f91b8
[    9.792636][  T187] RDX: 00007f51e9643fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.792637][  T187] RBP: 00007ffc7d1b9200 R08: 0000000000000000 R09: 0000000000008010
[    9.792638][  T187] R10: 00007ffc7d1b8fc0 R11: 0000000000000246 R12: 0000000000000001
[    9.792639][  T187] R13: 0000000000000000 R14: 00007f51e9a28680 R15: 00007f51e9a29fa0
| [   11.829773][  T267] softirqs last disabled at (20856): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.829775][  T267] Preemption disabled at:
| [   11.829776][  T267] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.829785][  T267] Tainted: [W]=WARN
[   11.829786][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.829788][  T267] Call Trace:
[   11.829790][  T267]  <TASK>
[   11.829791][  T267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.829797][  T267]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.829799][  T267]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.829804][  T267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.829808][  T267]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.829813][  T267]  __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))
[   11.829815][  T267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.829821][  T267]  ? 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)
[   11.829823][  T267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.829827][  T267]  put_chars (drivers/char/virtio_console.c:1176)
[   11.829829][  T267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.829833][  T267]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.829837][  T267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.829840][  T267]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.829842][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829843][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829847][  T267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.829849][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.829852][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829856][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.829860][  T267]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.829864][  T267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.829866][  T267]  ? 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))
[   11.829869][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829871][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.829875][  T267]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.829879][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.829881][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829886][  T267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.829889][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.829891][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829893][  T267]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.829897][  T267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.829898][  T267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.829902][  T267]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.829906][  T267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.829908][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.829910][  T267]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.829916][  T267]  _printk (kernel/printk/printk.c:2504)
[   11.829920][  T267]  ? snapshot_read.cold (user.c:?)
[   11.829923][  T267]  ? br_multicast_flood (??:?) bridge
[   11.829936][  T267]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.829937][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.829938][  T267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.829943][  T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.829952][  T267] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.829960][  T267] new_nbp (net/bridge/br_if.c:449) bridge
[   11.829969][  T267] br_add_if (net/bridge/br_if.c:592) bridge
[   11.829976][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.829980][  T267]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.829983][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   11.829987][  T267]  do_set_master (net/core/rtnetlink.c:3071)
[   11.829992][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.829995][  T267]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.829998][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.829999][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.830001][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.830005][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.830008][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.830009][  T267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.830012][  T267]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.830015][  T267]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.830016][  T267]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.830019][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.830021][  T267]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.830024][  T267]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.830028][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.830030][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.830033][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830035][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.830036][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830038][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830041][  T267]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.830044][  T267]  ? __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)
[   11.830046][  T267]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.830048][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.830051][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.830053][  T267]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.830058][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.830063][  T267]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.830068][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.830070][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.830074][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.830076][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.830078][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.830080][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.830084][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.830086][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.830089][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.830090][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.830094][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.830096][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.830099][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.830101][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.830104][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.830110][  T267]  ? 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))
[   11.830112][  T267]  ? 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))
[   11.830116][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.830120][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.830122][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.830126][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.830130][  T267]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.830134][  T267]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.830139][  T267]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.830141][  T267]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.830144][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.830145][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   11.830153][  T267]  ___sys_sendmsg (net/socket.c:2767)
[   11.830155][  T267]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.830171][  T267]  __sys_sendmsg (net/socket.c:2799)
[   11.830174][  T267]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.830180][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830184][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.830186][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.830189][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.830191][  T267] RIP: 0033:0x7fbb9d91d54e
[   11.830194][  T267] 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
[   11.830196][  T267] RSP: 002b:00007ffe836ab170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.830199][  T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbb9d91d54e
[   11.830201][  T267] RDX: 0000000000000000 RSI: 00007ffe836ab220 RDI: 0000000000000005
[   11.830201][  T267] RBP: 00007ffe836ab180 R08: 0000000000000000 R09: 0000000000000000
[   11.830202][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161c1
[   11.830203][  T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe836ab8e0
| [   19.892999][    C0]
| [   19.892999][    C0]
| [   19.892999][    C0] stack backtrace:
| [   19.893008][    C0] Tainted: [W]=WARN
[   19.893009][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.893011][    C0] Call Trace:
[   19.893013][    C0]  <IRQ>
[   19.893015][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.893020][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   19.893023][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   19.893026][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   19.893030][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   19.893033][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   19.893036][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   19.893039][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.893042][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   19.893045][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893049][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.893052][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   19.893054][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   19.893057][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   19.893060][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.893062][    C0]  ? 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))
[   19.893065][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893068][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.893071][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.893075][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.893077][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.893081][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.893083][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.893086][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893088][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.893091][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.893094][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.893097][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.893100][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.893104][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   19.893106][    C0]  _printk (kernel/printk/printk.c:2504)
[   19.893109][    C0]  ? snapshot_read.cold (user.c:?)
[   19.893112][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   19.893114][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.893118][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   19.893120][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.893123][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.893125][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   19.893129][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   19.893131][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   19.893136][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.893138][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.893141][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893144][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   19.893147][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.893150][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   19.893153][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.893157][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.893161][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   19.893164][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   19.893166][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.893170][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893172][    C0]  handle_softirqs (kernel/softirq.c:645)
[   19.893175][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.893177][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   19.893181][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   19.893183][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   19.893185][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   19.893188][    C0]  </IRQ>
[   19.893189][    C0]  <TASK>
[   19.893190][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   19.893192][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   19.893195][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   19.893198][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   19.893201][    C0] RSP: 0018:ffffffffb2e07cf8 EFLAGS: 00000296
[   19.893204][    C0] RAX: 000000000009b31f RBX: ffffffffb2e1c600 RCX: ffffffffafef0307
[   19.893206][    C0] RDX: ffffffffb2e1c600 RSI: ffffffffb2c38b01 RDI: ffffffffb268d8e0
[   19.893207][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   19.893209][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff65c0fa2
[   19.893210][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   19.893213][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   19.893216][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.893218][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   19.893221][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   19.893223][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   19.893226][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   19.893228][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   19.893232][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893235][    C0]  do_idle (kernel/sched/idle.c:355)
[   19.893237][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   19.893239][    C0]  rest_init (init/main.c:727)
[   19.893242][    C0]  ? __cpuidle_text_end (??:?)
[   19.893246][    C0]  ? rest_init (init/main.c:727)
[   19.893249][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   19.893254][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   19.893257][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   19.893261][    C0]  start_kernel (init/main.c:1185)
[   19.893263][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   19.893266][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   19.893268][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   19.893296][    C0] softirqs last disabled at (635681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.893298][    C0] Preemption disabled at:
| [   19.893299][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   19.893306][    C0] Tainted: [W]=WARN
[   19.893307][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.893308][    C0] Call Trace:
[   19.893309][    C0]  <IRQ>
[   19.893310][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.893313][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   19.893315][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.893319][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.893323][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893326][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.893329][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.893336][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.893339][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.893341][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.893344][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   19.893347][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.893355][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   19.893358][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.893362][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.893364][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893367][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893370][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.893374][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.893376][    C0]  ? 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))
[   19.893379][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893382][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.893385][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.893388][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.893390][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.893394][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.893397][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.893399][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893402][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.893405][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.893407][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.893410][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.893413][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.893417][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   19.893419][    C0]  _printk (kernel/printk/printk.c:2504)
[   19.893422][    C0]  ? snapshot_read.cold (user.c:?)
[   19.893425][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   19.893427][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.893431][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   19.893433][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.893436][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.893438][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   19.893441][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   19.893443][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   19.893446][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.893448][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.893451][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893454][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   19.893457][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.893461][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   19.893463][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.893467][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.893471][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   19.893474][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   19.893476][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.893478][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893481][    C0]  handle_softirqs (kernel/softirq.c:645)
[   19.893484][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.893486][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   19.893489][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   19.893492][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   19.893494][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   19.893496][    C0]  </IRQ>
[   19.893497][    C0]  <TASK>
[   19.893498][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   19.893501][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   19.893503][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   19.893506][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   19.893507][    C0] RSP: 0018:ffffffffb2e07cf8 EFLAGS: 00000296
[   19.893509][    C0] RAX: 000000000009b31f RBX: ffffffffb2e1c600 RCX: ffffffffafef0307
[   19.893511][    C0] RDX: ffffffffb2e1c600 RSI: ffffffffb2c38b01 RDI: ffffffffb268d8e0
[   19.893512][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   19.893513][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff65c0fa2
[   19.893514][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   19.893517][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   19.893520][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.893523][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   19.893525][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   19.893528][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   19.893530][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   19.893533][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   19.893535][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.893538][    C0]  do_idle (kernel/sched/idle.c:355)
[   19.893540][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   19.893543][    C0]  rest_init (init/main.c:727)
[   19.893545][    C0]  ? __cpuidle_text_end (??:?)
[   19.893549][    C0]  ? rest_init (init/main.c:727)
[   19.893552][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   19.893555][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   19.893558][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   19.893561][    C0]  start_kernel (init/main.c:1185)
[   19.893563][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   19.893566][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   19.893568][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   21.987012][  T351] softirqs last disabled at (0): 0x0
| [   21.987014][  T351] Preemption disabled at:
| [   21.987014][  T351] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.987025][  T351] Tainted: [W]=WARN
[   21.987026][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.987028][  T351] Call Trace:
[   21.987029][  T351]  <TASK>
[   21.987030][  T351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.987036][  T351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.987038][  T351]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.987042][  T351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.987045][  T351]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   21.987048][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987052][  T351]  __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))
[   21.987054][  T351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.987057][  T351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.987061][  T351]  ? 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)
[   21.987063][  T351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.987065][  T351]  put_chars (drivers/char/virtio_console.c:1176)
[   21.987067][  T351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.987068][  T351]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   21.987071][  T351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.987074][  T351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.987075][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987077][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.987079][  T351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.987082][  T351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.987084][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987085][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987087][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987089][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.987090][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   21.987092][  T351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.987094][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.987097][  T351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.987099][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.987100][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.987102][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987104][  T351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.987105][  T351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.987106][  T351]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   21.987108][  T351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.987110][  T351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.987112][  T351]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.987115][  T351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.987116][  T351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.987120][  T351]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.987122][  T351]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.987124][  T351]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.987126][  T351]  ? ___sys_sendmsg (net/socket.c:2767)
[   21.987127][  T351]  ? __sys_sendmsg (net/socket.c:2799)
[   21.987129][  T351]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.987132][  T351]  _printk (kernel/printk/printk.c:2504)
[   21.987136][  T351]  ? snapshot_read.cold (user.c:?)
[   21.987138][  T351]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.987141][  T351]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.987142][  T351]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.987144][  T351]  ? netdev_notice (net/core/dev.c:13194)
[   21.987146][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987148][  T351]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   21.987149][  T351]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   21.987152][  T351]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   21.987153][  T351]  ? 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)
[   21.987156][  T351]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   21.987159][  T351]  dev_set_allmulti (net/core/dev_api.c:315)
[   21.987162][  T351] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   21.987176][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.987179][  T351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.987182][  T351] br_del_if (net/bridge/br_if.c:732) bridge
[   21.987189][  T351]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.987191][  T351]  do_set_master (net/core/rtnetlink.c:3055)
[   21.987194][  T351]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.987196][  T351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.987198][  T351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.987199][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987201][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   21.987205][  T351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.987207][  T351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.987209][  T351]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.987210][  T351]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.987212][  T351]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   21.987213][  T351]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   21.987214][  T351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.987216][  T351]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.987217][  T351]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.987218][  T351]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.987220][  T351]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.987221][  T351]  ? ___sys_sendmsg (net/socket.c:2767)
[   21.987222][  T351]  ? __sys_sendmsg (net/socket.c:2799)
[   21.987224][  T351]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.987225][  T351]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.987227][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987229][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.987230][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987232][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987234][  T351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.987236][  T351]  ? __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)
[   21.987238][  T351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.987239][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.987241][  T351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.987242][  T351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.987244][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.987246][  T351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.987248][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987250][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.987251][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.987253][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987255][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   21.987256][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.987258][  T351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.987260][  T351]  ? __kernel_text_address (kernel/extable.c:79)
[   21.987261][  T351]  ? write_profile (profile.c:?)
[   21.987262][  T351]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.987265][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987266][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987268][  T351]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   21.987272][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.987273][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987275][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.987276][  T351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.987278][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.987279][  T351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   21.987281][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   21.987283][  T351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.987284][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.987286][  T351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.987287][  T351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.987289][  T351]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   21.987291][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987293][  T351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.987295][  T351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.987297][  T351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.987298][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987300][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987302][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.987303][  T351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.987306][  T351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.987308][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987310][  T351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.987312][  T351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.987314][  T351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.987316][  T351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.987317][  T351]  ? move_addr_to_kernel (net/socket.c:258)
[   21.987319][  T351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   21.987321][  T351]  ___sys_sendmsg (net/socket.c:2767)
[   21.987323][  T351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.987328][  T351]  __sys_sendmsg (net/socket.c:2799)
[   21.987329][  T351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.987332][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.987337][  T351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.987339][  T351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.987341][  T351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.987342][  T351] RIP: 0033:0x7f4681c7e54e
[   21.987344][  T351] 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
[   21.987346][  T351] RSP: 002b:00007ffdac8d3d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.987349][  T351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4681c7e54e
[   21.987351][  T351] RDX: 0000000000000000 RSI: 00007ffdac8d3db0 RDI: 0000000000000005
[   21.987352][  T351] RBP: 00007ffdac8d3d10 R08: 0000000000000000 R09: 0000000000000000
[   21.987353][  T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161cb
[   21.987353][  T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdac8d4470
| [   24.069143][  T354] softirqs last disabled at (0): 0x0
| [   24.069144][  T354] Preemption disabled at:
| [   24.069145][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.069156][  T354] Tainted: [W]=WARN
[   24.069157][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.069159][  T354] Call Trace:
[   24.069160][  T354]  <TASK>
[   24.069161][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.069166][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.069168][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.069172][  T354]  ? __module_address (kernel/module/main.c:3915)
[   24.069175][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.069178][  T354]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   24.069180][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069183][  T354]  __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))
[   24.069187][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.069189][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.069193][  T354]  ? 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)
[   24.069195][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.069197][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   24.069198][  T354]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   24.069200][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.069201][  T354]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   24.069204][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.069207][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.069208][  T354]  ? 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)
[   24.069210][  T354]  ? vsnprintf (lib/vsprintf.c:2900)
[   24.069213][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.069215][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069217][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.069219][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.069221][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.069223][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069225][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069226][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069228][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.069230][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   24.069232][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.069234][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.069237][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.069238][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.069240][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.069242][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069243][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.069245][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.069246][  T354]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   24.069248][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.069250][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.069252][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.069255][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.069256][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.069258][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.069260][  T354]  _printk (kernel/printk/printk.c:2504)
[   24.069264][  T354]  ? snapshot_read.cold (user.c:?)
[   24.069266][  T354]  ? br_multicast_flood (??:?) bridge
[   24.069278][  T354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.069281][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.069282][  T354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.069284][  T354] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.069292][  T354] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   24.069299][  T354] new_nbp (net/bridge/br_if.c:449) bridge
[   24.069307][  T354] br_add_if (net/bridge/br_if.c:592) bridge
[   24.069314][  T354]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   24.069318][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.069319][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.069322][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   24.069324][  T354]  do_set_master (net/core/rtnetlink.c:3071)
[   24.069327][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.069328][  T354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.069330][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.069331][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069333][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   24.069340][  T354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.069343][  T354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.069345][  T354]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.069346][  T354]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.069348][  T354]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   24.069349][  T354]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   24.069350][  T354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.069351][  T354]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.069354][  T354]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.069355][  T354]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.069357][  T354]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.069359][  T354]  ? ___sys_sendmsg (net/socket.c:2767)
[   24.069361][  T354]  ? __sys_sendmsg (net/socket.c:2799)
[   24.069362][  T354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.069370][  T354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.069373][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069375][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.069376][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069378][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069380][  T354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.069382][  T354]  ? __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)
[   24.069385][  T354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.069386][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.069388][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.069389][  T354]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.069391][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.069393][  T354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.069395][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069397][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.069398][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.069400][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069402][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   24.069403][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.069405][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.069406][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   24.069408][  T354]  ? write_profile (profile.c:?)
[   24.069409][  T354]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.069411][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069413][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069414][  T354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   24.069418][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.069419][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069421][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.069422][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.069424][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.069425][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.069427][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   24.069429][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.069430][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.069432][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.069433][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.069435][  T354]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   24.069437][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069439][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.069441][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.069443][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.069444][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069446][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069448][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.069449][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.069451][  T354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.069453][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069455][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.069457][  T354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.069458][  T354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.069460][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.069461][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   24.069463][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.069465][  T354]  ___sys_sendmsg (net/socket.c:2767)
[   24.069467][  T354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.069472][  T354]  __sys_sendmsg (net/socket.c:2799)
[   24.069474][  T354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.069476][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.069478][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.069480][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.069482][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.069484][  T354] RIP: 0033:0x7eff854e554e
[   24.069485][  T354] 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
[   24.069487][  T354] RSP: 002b:00007fffb34e5b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.069491][  T354] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007eff854e554e
[   24.069492][  T354] RDX: 0000000000000000 RSI: 00007fffb34e5be0 RDI: 0000000000000005
[   24.069493][  T354] RBP: 00007fffb34e5b40 R08: 0000000000000000 R09: 0000000000000000
[   24.069494][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161cd
[   24.069495][  T354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb34e62a0
| [   28.360351][  T407] softirqs last disabled at (0): 0x0
| [   28.360353][  T407] Preemption disabled at:
| [   28.360354][  T407] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.360365][  T407] Tainted: [W]=WARN
[   28.360366][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.360368][  T407] Call Trace:
[   28.360369][  T407]  <TASK>
[   28.360371][  T407]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.360376][  T407]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.360378][  T407]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.360387][  T407]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.360390][  T407]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.360393][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360397][  T407]  __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))
[   28.360400][  T407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.360403][  T407]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.360406][  T407]  ? 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)
[   28.360408][  T407]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.360410][  T407]  put_chars (drivers/char/virtio_console.c:1176)
[   28.360412][  T407]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.360414][  T407]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.360416][  T407]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.360420][  T407]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.360421][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360423][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.360425][  T407]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.360427][  T407]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.360429][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360431][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360432][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360434][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.360436][  T407]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.360438][  T407]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.360440][  T407]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.360443][  T407]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.360444][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.360446][  T407]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.360447][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360449][  T407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.360450][  T407]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.360452][  T407]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   28.360454][  T407]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.360456][  T407]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.360458][  T407]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.360460][  T407]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.360462][  T407]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.360465][  T407]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.360467][  T407]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.360469][  T407]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.360471][  T407]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.360473][  T407]  ? __sys_sendmsg (net/socket.c:2799)
[   28.360474][  T407]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.360478][  T407]  _printk (kernel/printk/printk.c:2504)
[   28.360481][  T407]  ? snapshot_read.cold (user.c:?)
[   28.360483][  T407]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.360486][  T407]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.360488][  T407]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.360489][  T407]  ? netdev_notice (net/core/dev.c:13194)
[   28.360491][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360493][  T407]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   28.360495][  T407]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   28.360497][  T407]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   28.360498][  T407]  ? 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)
[   28.360501][  T407]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   28.360504][  T407]  dev_set_allmulti (net/core/dev_api.c:315)
[   28.360507][  T407] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   28.360520][  T407]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.360523][  T407]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.360526][  T407] br_del_if (net/bridge/br_if.c:732) bridge
[   28.360533][  T407]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.360535][  T407]  do_set_master (net/core/rtnetlink.c:3055)
[   28.360538][  T407]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.360540][  T407]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.360542][  T407]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.360544][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360546][  T407]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.360549][  T407]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.360552][  T407]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.360553][  T407]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.360555][  T407]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.360556][  T407]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   28.360558][  T407]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   28.360559][  T407]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.360560][  T407]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.360561][  T407]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.360563][  T407]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.360564][  T407]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.360565][  T407]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.360566][  T407]  ? __sys_sendmsg (net/socket.c:2799)
[   28.360568][  T407]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.360569][  T407]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.360572][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360573][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.360575][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360576][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360578][  T407]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.360580][  T407]  ? __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)
[   28.360583][  T407]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.360584][  T407]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.360586][  T407]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.360587][  T407]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.360589][  T407]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.360591][  T407]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.360593][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360595][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.360596][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.360597][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360600][  T407]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   28.360601][  T407]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.360603][  T407]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.360604][  T407]  ? __kernel_text_address (kernel/extable.c:79)
[   28.360605][  T407]  ? write_profile (profile.c:?)
[   28.360607][  T407]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.360609][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360611][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360612][  T407]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.360616][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.360617][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360619][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.360620][  T407]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.360622][  T407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.360623][  T407]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.360625][  T407]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.360627][  T407]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.360629][  T407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.360630][  T407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.360631][  T407]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.360633][  T407]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   28.360635][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360637][  T407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.360639][  T407]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.360641][  T407]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.360643][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360644][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360646][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.360648][  T407]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.360650][  T407]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.360651][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360653][  T407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.360655][  T407]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.360657][  T407]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.360658][  T407]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.360660][  T407]  ? move_addr_to_kernel (net/socket.c:258)
[   28.360661][  T407]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.360664][  T407]  ___sys_sendmsg (net/socket.c:2767)
[   28.360666][  T407]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.360670][  T407]  __sys_sendmsg (net/socket.c:2799)
[   28.360672][  T407]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.360675][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.360677][  T407]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.360678][  T407]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.360680][  T407]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.360682][  T407] RIP: 0033:0x7fe75352f54e
[   28.360684][  T407] 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
[   28.360686][  T407] RSP: 002b:00007ffea15cc7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.360689][  T407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe75352f54e
[   28.360691][  T407] RDX: 0000000000000000 RSI: 00007ffea15cc870 RDI: 0000000000000005
[   28.360691][  T407] RBP: 00007ffea15cc7d0 R08: 0000000000000000 R09: 0000000000000000
[   28.360692][  T407] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161d1


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