======================================
| [   10.419692][  T187] softirqs last disabled at (26077): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.419695][  T187] Preemption disabled at:
| [   10.419695][  T187] 0x0
| [   10.419706][  T187] Tainted: [W]=WARN
[   10.419707][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.419708][  T187] Call Trace:
[   10.419710][  T187]  <TASK>
[   10.419711][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.419718][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.419723][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.419727][  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)
[   10.419733][  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))
[   10.419735][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.419741][  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)
[   10.419744][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.419747][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.419750][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.419751][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.419756][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.419761][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.419775][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.419777][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.419779][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.419783][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.419787][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.419789][  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))
[   10.419792][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.419794][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.419798][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.419802][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.419804][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.419809][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.419812][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.419814][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.419816][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.419820][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.419822][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.419825][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.419829][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.419833][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.419836][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.419840][  T187]  ? snapshot_read.cold (user.c:?)
[   10.419843][  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)
[   10.419845][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.419849][  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)
[   10.419852][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.419856][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.419858][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.419860][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.419865][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.419867][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.419869][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.419871][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.419875][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.419878][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.419880][  T187] RIP: 0033:0x7fad51ab31b8
[   10.419882][  T187] Code: Unable to access opcode bytes at 0x7fad51ab318e.

Code starting with the faulting instruction
===========================================
[   10.419884][  T187] RSP: 002b:00007ffff5005cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.419886][  T187] RAX: ffffffffffffffda RBX: 00007fad51be3f88 RCX: 00007fad51ab31b8
[   10.419887][  T187] RDX: 00007fad517fdfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.419889][  T187] RBP: 00007ffff5005d20 R08: 0000000000000000 R09: 0000000000008010
[   10.419890][  T187] R10: 00007ffff5005ae0 R11: 0000000000000246 R12: 0000000000000001
[   10.419891][  T187] R13: 0000000000000000 R14: 00007fad51be2680 R15: 00007fad51be3fa0
| [   12.001784][  T252] softirqs last disabled at (13264): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.001787][  T252] Preemption disabled at:
| [   12.001787][  T252] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.001798][  T252] Tainted: [W]=WARN
[   12.001799][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.001800][  T252] Call Trace:
[   12.001802][  T252]  <TASK>
[   12.001804][  T252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.001810][  T252]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.001812][  T252]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.001817][  T252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.001821][  T252]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.001826][  T252]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.001828][  T252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.001834][  T252]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.001837][  T252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.001840][  T252]  put_chars (drivers/char/virtio_console.c:1176)
[   12.001843][  T252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.001847][  T252]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.001850][  T252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.001853][  T252]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.001855][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.001857][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.001861][  T252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.001863][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.001866][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.001870][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.001874][  T252]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.001877][  T252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.001879][  T252]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.001883][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.001885][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.001889][  T252]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.001893][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.001895][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.001900][  T252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.001903][  T252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.001905][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.001907][  T252]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.001911][  T252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.001912][  T252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.001916][  T252]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.001919][  T252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.001922][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.001924][  T252]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.001928][  T252]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.001931][  T252]  _printk (kernel/printk/printk.c:2504)
[   12.001935][  T252]  ? snapshot_read.cold (user.c:?)
[   12.001939][  T252]  ? br_multicast_flood (??:?) bridge
[   12.001952][  T252]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.001953][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.001955][  T252]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.001959][  T252] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.001969][  T252] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.001977][  T252] new_nbp (net/bridge/br_if.c:449) bridge
[   12.001987][  T252] br_add_if (net/bridge/br_if.c:592) bridge
[   12.001994][  T252]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.001998][  T252]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.002001][  T252]  ? __kernel_text_address (kernel/extable.c:79)
[   12.002004][  T252]  do_set_master (net/core/rtnetlink.c:3071)
[   12.002009][  T252]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.002012][  T252]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.002015][  T252]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.002017][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.002019][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.002023][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.002025][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.002027][  T252]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.002030][  T252]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.002033][  T252]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.002037][  T252]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.002039][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.002041][  T252]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.002045][  T252]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.002049][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.002051][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.002054][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.002056][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.002058][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.002060][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.002062][  T252]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.002066][  T252]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.002068][  T252]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.002070][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.002073][  T252]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.002075][  T252]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.002080][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.002085][  T252]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.002090][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.002092][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.002097][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.002098][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.002100][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.002102][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.002106][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.002108][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.002111][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.002112][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.002117][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.002119][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.002122][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.002124][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.002127][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.002133][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.002134][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.002139][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.002142][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.002145][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.002149][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.002153][  T252]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.002157][  T252]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.002162][  T252]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.002164][  T252]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.002167][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.002168][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   12.002176][  T252]  ___sys_sendmsg (net/socket.c:2767)
[   12.002178][  T252]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.002194][  T252]  __sys_sendmsg (net/socket.c:2799)
[   12.002197][  T252]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.002203][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.002207][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.002210][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.002213][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.002215][  T252] RIP: 0033:0x7f06c9f6154e
[   12.002219][  T252] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.002221][  T252] RSP: 002b:00007ffed32dfae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.002223][  T252] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f06c9f6154e
[   12.002225][  T252] RDX: 0000000000000000 RSI: 00007ffed32dfb90 RDI: 0000000000000005
[   12.002226][  T252] RBP: 00007ffed32dfaf0 R08: 0000000000000000 R09: 0000000000000000
[   12.002227][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918279
[   12.002227][  T252] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed32e0250
| [   18.204596][  T497] softirqs last disabled at (13536): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.204599][  T497] Preemption disabled at:
| [   18.204599][  T497] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.204609][  T497] Tainted: [W]=WARN
[   18.204609][  T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.204611][  T497] Call Trace:
[   18.204613][  T497]  <TASK>
[   18.204614][  T497]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.204620][  T497]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.204623][  T497]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.204627][  T497]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.204631][  T497]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.204636][  T497]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.204639][  T497]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.204644][  T497]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.204647][  T497]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.204650][  T497]  put_chars (drivers/char/virtio_console.c:1176)
[   18.204652][  T497]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   18.204654][  T497]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.204657][  T497]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.204661][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.204664][  T497]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.204667][  T497]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.204670][  T497]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.204672][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.204673][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.204677][  T497]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.204679][  T497]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.204682][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.204684][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.204688][  T497]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.204692][  T497]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.204694][  T497]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.204697][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.204699][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.204703][  T497]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.204707][  T497]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.204709][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.204714][  T497]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.204717][  T497]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.204718][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.204721][  T497]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.204724][  T497]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.204726][  T497]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.204729][  T497]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.204733][  T497]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.204736][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.204738][  T497]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.204742][  T497]  _printk (kernel/printk/printk.c:2504)
[   18.204745][  T497]  ? snapshot_read.cold (user.c:?)
[   18.204749][  T497]  ? br_multicast_flood (??:?) bridge
[   18.204762][  T497]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.204763][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.204764][  T497]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.204768][  T497] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.204779][  T497] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   18.204787][  T497] new_nbp (net/bridge/br_if.c:449) bridge
[   18.204801][  T497] br_add_if (net/bridge/br_if.c:592) bridge
[   18.204808][  T497]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.204812][  T497]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   18.204814][  T497]  ? __kernel_text_address (kernel/extable.c:79)
[   18.204818][  T497]  do_set_master (net/core/rtnetlink.c:3071)
[   18.204822][  T497]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.204826][  T497]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.204829][  T497]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.204830][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.204832][  T497]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.204835][  T497]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.204838][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.204839][  T497]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.204842][  T497]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.204845][  T497]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.204846][  T497]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.204849][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.204851][  T497]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.204854][  T497]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.204858][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.204860][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.204862][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.204864][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.204866][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.204868][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.204870][  T497]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.204874][  T497]  ? __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)
[   18.204877][  T497]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.204879][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.204882][  T497]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.204884][  T497]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.204889][  T497]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.204894][  T497]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.204899][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.204901][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.204905][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.204907][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.204909][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.204911][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.204914][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.204916][  T497]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.204919][  T497]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.204920][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.204925][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.204926][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.204930][  T497]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.204931][  T497]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.204934][  T497]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.204940][  T497]  ? 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))
[   18.204941][  T497]  ? 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))
[   18.204945][  T497]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.204949][  T497]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.204951][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.204955][  T497]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.204959][  T497]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.204963][  T497]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.204968][  T497]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.204970][  T497]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.204972][  T497]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.204974][  T497]  ? move_addr_to_kernel (net/socket.c:258)
[   18.204981][  T497]  ___sys_sendmsg (net/socket.c:2767)
[   18.204983][  T497]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.204998][  T497]  __sys_sendmsg (net/socket.c:2799)
[   18.205001][  T497]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.205007][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.205010][  T497]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.205013][  T497]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.205016][  T497]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.205018][  T497] RIP: 0033:0x7f907dd9a54e
[   18.205022][  T497] 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
[   18.205023][  T497] RSP: 002b:00007fffe09a7710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.205026][  T497] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f907dd9a54e
[   18.205028][  T497] RDX: 0000000000000000 RSI: 00007fffe09a77c0 RDI: 0000000000000005
[   18.205028][  T497] RBP: 00007fffe09a7720 R08: 0000000000000000 R09: 0000000000000000
[   18.205029][  T497] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91827f
[   18.205030][  T497] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe09a7e80
| [   18.638983][  T517]
| [   18.638983][  T517]
| [   18.638983][  T517] stack backtrace:
| [   18.638990][  T517] Tainted: [W]=WARN
[   18.638990][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.638992][  T517] Call Trace:
[   18.638993][  T517]  <TASK>
[   18.638994][  T517]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.638998][  T517]  print_bad_irq_dependency (kernel/locking/lockdep.c:2632)
[   18.639001][  T517]  check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1))
[   18.639002][  T517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.639006][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.639009][  T517]  ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147)
[   18.639011][  T517]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.639013][  T517]  check_prev_add (kernel/locking/lockdep.c:3185)
[   18.639015][  T517]  validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924)
[   18.639017][  T517]  __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.639019][  T517]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.639020][  T517]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.639022][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.639024][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.639026][  T517]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.639028][  T517]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.639029][  T517]  console_emit_next_record (kernel/printk/printk.c:3177)
[   18.639031][  T517]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.639033][  T517]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.639037][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.639039][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.639041][  T517]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.639043][  T517]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.639044][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.639047][  T517]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.639049][  T517]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.639050][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.639052][  T517]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.639054][  T517]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.639055][  T517]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.639057][  T517]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.639059][  T517]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.639062][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.639063][  T517]  _printk (kernel/printk/printk.c:2504)
[   18.639065][  T517]  ? snapshot_read.cold (user.c:?)
[   18.639067][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.639069][  T517]  ? br_fdb_find (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/bridge/br_fdb.c:230 (discriminator 2)) bridge
[   18.639075][  T517] fdb_add_local.cold (net/bridge/br_fdb.c:445 (discriminator 4) net/bridge/br_fdb.c:430 (discriminator 4)) bridge
[   18.639082][  T517] br_fdb_add_local (net/bridge/br_fdb.c:961) bridge
[   18.639089][  T517] br_add_if (net/bridge/br_if.c:655) bridge
[   18.639096][  T517]  do_set_master (net/core/rtnetlink.c:3071)
[   18.639098][  T517]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.639100][  T517]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.639102][  T517]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.639104][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.639105][  T517]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.639108][  T517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.639110][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.639112][  T517]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.639113][  T517]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.639116][  T517]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.639117][  T517]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.639119][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.639120][  T517]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.639122][  T517]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.639124][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.639125][  T517]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.639126][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.639128][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.639129][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.639131][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.639133][  T517]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.639136][  T517]  ? __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)
[   18.639137][  T517]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.639139][  T517]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.639140][  T517]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.639141][  T517]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.639144][  T517]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.639146][  T517]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.639148][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.639149][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.639151][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.639152][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.639154][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.639155][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.639157][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.639158][  T517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.639160][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.639161][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.639163][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.639164][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.639166][  T517]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.639167][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.639169][  T517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.639171][  T517]  ? 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))
[   18.639172][  T517]  ? 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))
[   18.639174][  T517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.639176][  T517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.639178][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.639180][  T517]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.639181][  T517]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.639183][  T517]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.639187][  T517]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.639188][  T517]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.639190][  T517]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.639191][  T517]  ? move_addr_to_kernel (net/socket.c:258)
[   18.639194][  T517]  ___sys_sendmsg (net/socket.c:2767)
[   18.639196][  T517]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.639201][  T517]  __sys_sendmsg (net/socket.c:2799)
[   18.639203][  T517]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.639205][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.639207][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.639208][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.639210][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.639212][  T517] RIP: 0033:0x7faaa0e7c54e
[   18.639215][  T517] 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
[   18.639217][  T517] RSP: 002b:00007fffed354200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.639219][  T517] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faaa0e7c54e
[   18.639220][  T517] RDX: 0000000000000000 RSI: 00007fffed3542b0 RDI: 0000000000000005
[   18.639221][  T517] RBP: 00007fffed354210 R08: 0000000000000000 R09: 0000000000000000
[   18.639222][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918280
[   18.639223][  T517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffed354970
| [   29.762532][ T1262] softirqs last disabled at (0): 0x0
| [   29.762534][ T1262] Preemption disabled at:
| [   29.762535][ T1262] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.762546][ T1262] Tainted: [W]=WARN
[   29.762547][ T1262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.762548][ T1262] Call Trace:
[   29.762550][ T1262]  <TASK>
[   29.762551][ T1262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.762557][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.762559][ T1262]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.762562][ T1262]  ? __module_address (kernel/module/main.c:3915)
[   29.762565][ T1262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.762569][ T1262]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   29.762570][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762573][ T1262]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.762577][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.762579][ T1262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.762583][ T1262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.762585][ T1262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.762587][ T1262]  put_chars (drivers/char/virtio_console.c:1176)
[   29.762588][ T1262]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   29.762590][ T1262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.762591][ T1262]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   29.762594][ T1262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.762597][ T1262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.762598][ T1262]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   29.762600][ T1262]  ? vsnprintf (lib/vsprintf.c:2900)
[   29.762603][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.762605][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762606][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.762609][ T1262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.762611][ T1262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.762613][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762614][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762616][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762618][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.762620][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.762621][ T1262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.762623][ T1262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.762626][ T1262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.762628][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.762629][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.762631][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762632][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.762634][ T1262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.762635][ T1262]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.762637][ T1262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.762639][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.762641][ T1262]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.762644][ T1262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.762645][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.762647][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.762649][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.762650][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762652][ T1262]  _printk (kernel/printk/printk.c:2504)
[   29.762655][ T1262]  ? snapshot_read.cold (user.c:?)
[   29.762658][ T1262]  ? br_multicast_flood (??:?) bridge
[   29.762670][ T1262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.762672][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.762673][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.762675][ T1262] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.762684][ T1262] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   29.762691][ T1262] new_nbp (net/bridge/br_if.c:449) bridge
[   29.762699][ T1262] br_add_if (net/bridge/br_if.c:592) bridge
[   29.762705][ T1262]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   29.762708][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.762710][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.762713][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   29.762714][ T1262]  do_set_master (net/core/rtnetlink.c:3071)
[   29.762717][ T1262]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.762719][ T1262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.762720][ T1262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.762721][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762723][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.762727][ T1262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.762730][ T1262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.762731][ T1262]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.762733][ T1262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.762734][ T1262]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   29.762736][ T1262]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   29.762737][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.762738][ T1262]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.762741][ T1262]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.762742][ T1262]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.762743][ T1262]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.762746][ T1262]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.762747][ T1262]  ? __sys_sendmsg (net/socket.c:2799)
[   29.762749][ T1262]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.762750][ T1262]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.762753][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762755][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.762756][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762758][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762759][ T1262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.762762][ T1262]  ? __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)
[   29.762765][ T1262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.762766][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.762767][ T1262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.762769][ T1262]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.762771][ T1262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.762773][ T1262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.762775][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762776][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.762778][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.762779][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762781][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.762783][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.762784][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.762786][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   29.762787][ T1262]  ? write_profile (profile.c:?)
[   29.762788][ T1262]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.762790][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762792][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762794][ T1262]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.762797][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.762799][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762800][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.762802][ T1262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.762803][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.762804][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.762806][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.762808][ T1262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.762810][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.762811][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.762812][ T1262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.762814][ T1262]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.762816][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762818][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.762820][ T1262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.762822][ T1262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.762823][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762825][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762826][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.762828][ T1262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.762830][ T1262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.762832][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762834][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.762835][ T1262]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.762837][ T1262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.762844][ T1262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.762846][ T1262]  ? move_addr_to_kernel (net/socket.c:258)
[   29.762847][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.762850][ T1262]  ___sys_sendmsg (net/socket.c:2767)
[   29.762851][ T1262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.762856][ T1262]  __sys_sendmsg (net/socket.c:2799)
[   29.762858][ T1262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.762861][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.762863][ T1262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.762864][ T1262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.762866][ T1262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.762868][ T1262] RIP: 0033:0x7f2528f7354e
[   29.762870][ T1262] 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
[   29.762872][ T1262] RSP: 002b:00007ffd12a16470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.762875][ T1262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2528f7354e
[   29.762877][ T1262] RDX: 0000000000000000 RSI: 00007ffd12a16520 RDI: 0000000000000005
[   29.762878][ T1262] RBP: 00007ffd12a16480 R08: 0000000000000000 R09: 0000000000000000
[   29.762879][ T1262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91828b


Finger prints:
print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print