======================================
| [    9.905922][  T198] softirqs last disabled at (43713): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.905924][  T198] Preemption disabled at:
| [    9.905927][  T198] 0x0
| [    9.905937][  T198] Tainted: [W]=WARN
[    9.905938][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.905940][  T198] Call Trace:
[    9.905941][  T198]  <TASK>
[    9.905943][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.905949][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.905954][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.905958][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.905963][  T198]  __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))
[    9.905966][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.905972][  T198]  ? 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)
[    9.905975][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.905978][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[    9.905981][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.905982][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.905988][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.905993][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.905999][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.906002][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.906004][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.906008][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.906012][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.906014][  T198]  ? 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))
[    9.906018][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.906020][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.906024][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.906029][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.906030][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.906036][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.906039][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.906041][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.906043][  T198]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.906047][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.906049][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.906052][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.906056][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.906060][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.906064][  T198]  _printk (kernel/printk/printk.c:2504)
[    9.906067][  T198]  ? snapshot_read.cold (user.c:?)
[    9.906070][  T198]  ? 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)
[    9.906073][  T198]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.906077][  T198]  ? 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)
[    9.906080][  T198]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.906083][  T198]  ? exit_notify (kernel/exit.c:780)
[    9.906086][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.906088][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.906093][  T198]  do_group_exit (kernel/exit.c:1151)
[    9.906095][  T198]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.906097][  T198]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.906100][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.906103][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.906106][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.906108][  T198] RIP: 0033:0x7fe0e04b21b8
[    9.906111][  T198] Code: Unable to access opcode bytes at 0x7fe0e04b218e.

Code starting with the faulting instruction
===========================================
[    9.906112][  T198] RSP: 002b:00007ffc6bd84518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.906114][  T198] RAX: ffffffffffffffda RBX: 00007fe0e05e2f88 RCX: 00007fe0e04b21b8
[    9.906116][  T198] RDX: 00007fe0e01fcfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.906117][  T198] RBP: 00007ffc6bd84570 R08: 0000000000000000 R09: 0000000000008010
[    9.906118][  T198] R10: 00007ffc6bd84330 R11: 0000000000000246 R12: 0000000000000001
[    9.906119][  T198] R13: 0000000000000000 R14: 00007fe0e05e1680 R15: 00007fe0e05e2fa0
| [   11.396519][  T252] softirqs last disabled at (12855): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.396521][  T252] Preemption disabled at:
| [   11.396522][  T252] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.396531][  T252] Tainted: [W]=WARN
[   11.396532][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.396533][  T252] Call Trace:
[   11.396535][  T252]  <TASK>
[   11.396536][  T252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.396542][  T252]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.396544][  T252]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.396549][  T252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.396553][  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)
[   11.396559][  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))
[   11.396561][  T252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.396566][  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)
[   11.396569][  T252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.396572][  T252]  put_chars (drivers/char/virtio_console.c:1176)
[   11.396575][  T252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.396579][  T252]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.396583][  T252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.396585][  T252]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.396587][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.396589][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.396593][  T252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.396595][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.396598][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.396602][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.396606][  T252]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.396609][  T252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.396611][  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))
[   11.396614][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.396617][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.396622][  T252]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.396626][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.396628][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.396633][  T252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.396636][  T252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.396638][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.396640][  T252]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.396644][  T252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.396646][  T252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.396649][  T252]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.396653][  T252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.396655][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.396657][  T252]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.396661][  T252]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.396665][  T252]  _printk (kernel/printk/printk.c:2504)
[   11.396668][  T252]  ? snapshot_read.cold (user.c:?)
[   11.396672][  T252]  ? br_multicast_flood (??:?) bridge
[   11.396685][  T252]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.396686][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.396688][  T252]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.396692][  T252] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.396702][  T252] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.396710][  T252] new_nbp (net/bridge/br_if.c:449) bridge
[   11.396719][  T252] br_add_if (net/bridge/br_if.c:592) bridge
[   11.396726][  T252]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.396731][  T252]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.396734][  T252]  ? __kernel_text_address (kernel/extable.c:79)
[   11.396737][  T252]  do_set_master (net/core/rtnetlink.c:3071)
[   11.396742][  T252]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.396745][  T252]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.396748][  T252]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.396750][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.396752][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.396756][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.396759][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.396760][  T252]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.396763][  T252]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.396766][  T252]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.396768][  T252]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.396771][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.396772][  T252]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.396776][  T252]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.396781][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.396782][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.396785][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.396787][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.396789][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.396791][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.396793][  T252]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.396797][  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)
[   11.396799][  T252]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.396801][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.396804][  T252]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.396806][  T252]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.396811][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.396816][  T252]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.396821][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.396823][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.396827][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.396829][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.396831][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.396833][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.396837][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.396839][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.396842][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.396843][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.396848][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.396849][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.396853][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.396855][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.396857][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.396864][  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))
[   11.396865][  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))
[   11.396869][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.396873][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.396876][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.396880][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.396883][  T252]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.396887][  T252]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.396893][  T252]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.396895][  T252]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.396897][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.396899][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.396906][  T252]  ___sys_sendmsg (net/socket.c:2767)
[   11.396909][  T252]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.396927][  T252]  __sys_sendmsg (net/socket.c:2799)
[   11.396930][  T252]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.396937][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.396940][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.396943][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.396946][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.396948][  T252] RIP: 0033:0x7f0ef1ad354e
[   11.396952][  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
[   11.396954][  T252] RSP: 002b:00007fff5d858ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.396957][  T252] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0ef1ad354e
[   11.396958][  T252] RDX: 0000000000000000 RSI: 00007fff5d858b90 RDI: 0000000000000005
[   11.396959][  T252] RBP: 00007fff5d858af0 R08: 0000000000000000 R09: 0000000000000000
[   11.396960][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b653
[   11.396961][  T252] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5d859250
| [   18.161785][  T497] softirqs last disabled at (26572): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.161787][  T497] Preemption disabled at:
| [   18.161788][  T497] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.161797][  T497] Tainted: [W]=WARN
[   18.161798][  T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.161800][  T497] Call Trace:
[   18.161801][  T497]  <TASK>
[   18.161803][  T497]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.161808][  T497]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.161811][  T497]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.161815][  T497]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.161819][  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)
[   18.161824][  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))
[   18.161827][  T497]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.161832][  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)
[   18.161835][  T497]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.161838][  T497]  put_chars (drivers/char/virtio_console.c:1176)
[   18.161840][  T497]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   18.161842][  T497]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.161846][  T497]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.161850][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.161852][  T497]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.161856][  T497]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.161859][  T497]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.161861][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.161862][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.161866][  T497]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.161868][  T497]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.161871][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.161874][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.161878][  T497]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.161882][  T497]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.161884][  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))
[   18.161887][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.161889][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.161893][  T497]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.161897][  T497]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.161899][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.161904][  T497]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.161907][  T497]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.161909][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.161911][  T497]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.161915][  T497]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.161917][  T497]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.161920][  T497]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.161927][  T497]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.161930][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.161933][  T497]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.161936][  T497]  _printk (kernel/printk/printk.c:2504)
[   18.161940][  T497]  ? snapshot_read.cold (user.c:?)
[   18.161944][  T497]  ? br_multicast_flood (??:?) bridge
[   18.161958][  T497]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.161959][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.161961][  T497]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.161965][  T497] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.161978][  T497] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   18.161987][  T497] new_nbp (net/bridge/br_if.c:449) bridge
[   18.161998][  T497] br_add_if (net/bridge/br_if.c:592) bridge
[   18.162005][  T497]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.162010][  T497]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   18.162012][  T497]  ? __kernel_text_address (kernel/extable.c:79)
[   18.162016][  T497]  do_set_master (net/core/rtnetlink.c:3071)
[   18.162021][  T497]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.162024][  T497]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.162027][  T497]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.162029][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.162030][  T497]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.162034][  T497]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.162037][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.162038][  T497]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.162041][  T497]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.162044][  T497]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.162046][  T497]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.162049][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.162050][  T497]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.162054][  T497]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.162058][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.162060][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.162063][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.162065][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.162067][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.162069][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.162071][  T497]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.162075][  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)
[   18.162078][  T497]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.162080][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.162083][  T497]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.162085][  T497]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.162090][  T497]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.162095][  T497]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.162101][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.162103][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.162107][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.162109][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.162111][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.162113][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.162116][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.162118][  T497]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.162122][  T497]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.162123][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.162127][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.162129][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.162132][  T497]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.162135][  T497]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.162137][  T497]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.162144][  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))
[   18.162145][  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))
[   18.162149][  T497]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.162153][  T497]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.162156][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.162160][  T497]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.162163][  T497]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.162167][  T497]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.162173][  T497]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.162175][  T497]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.162177][  T497]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.162179][  T497]  ? move_addr_to_kernel (net/socket.c:258)
[   18.162186][  T497]  ___sys_sendmsg (net/socket.c:2767)
[   18.162189][  T497]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.162205][  T497]  __sys_sendmsg (net/socket.c:2799)
[   18.162208][  T497]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.162214][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.162217][  T497]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.162220][  T497]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.162223][  T497]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.162225][  T497] RIP: 0033:0x7f769ec2154e
[   18.162229][  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
[   18.162231][  T497] RSP: 002b:00007fffa3a41c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.162233][  T497] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f769ec2154e
[   18.162235][  T497] RDX: 0000000000000000 RSI: 00007fffa3a41ce0 RDI: 0000000000000005
[   18.162236][  T497] RBP: 00007fffa3a41c40 R08: 0000000000000000 R09: 0000000000000000
[   18.162237][  T497] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b65a
[   18.162237][  T497] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa3a423a0
| [   18.728151][  T517]
| [   18.728151][  T517]
| [   18.728151][  T517] stack backtrace:
| [   18.728160][  T517] Tainted: [W]=WARN
[   18.728161][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.728164][  T517] Call Trace:
[   18.728165][  T517]  <TASK>
[   18.728167][  T517]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.728172][  T517]  print_bad_irq_dependency (kernel/locking/lockdep.c:2632)
[   18.728176][  T517]  check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1))
[   18.728179][  T517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.728183][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.728188][  T517]  ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147)
[   18.728191][  T517]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.728193][  T517]  check_prev_add (kernel/locking/lockdep.c:3185)
[   18.728197][  T517]  validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924)
[   18.728200][  T517]  __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.728204][  T517]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.728206][  T517]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.728209][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.728212][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.728215][  T517]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.728218][  T517]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.728220][  T517]  console_emit_next_record (kernel/printk/printk.c:3177)
[   18.728224][  T517]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.728226][  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))
[   18.728229][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.728232][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.728235][  T517]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.728238][  T517]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.728241][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.728249][  T517]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.728252][  T517]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.728255][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.728257][  T517]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.728260][  T517]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.728263][  T517]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.728266][  T517]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.728269][  T517]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.728273][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.728276][  T517]  _printk (kernel/printk/printk.c:2504)
[   18.728278][  T517]  ? snapshot_read.cold (user.c:?)
[   18.728281][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.728284][  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
[   18.728296][  T517] fdb_add_local.cold (net/bridge/br_fdb.c:445 (discriminator 4) net/bridge/br_fdb.c:430 (discriminator 4)) bridge
[   18.728310][  T517] br_fdb_add_local (net/bridge/br_fdb.c:961) bridge
[   18.728322][  T517] br_add_if (net/bridge/br_if.c:655) bridge
[   18.728335][  T517]  do_set_master (net/core/rtnetlink.c:3071)
[   18.728339][  T517]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.728341][  T517]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.728345][  T517]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.728347][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.728349][  T517]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.728353][  T517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.728356][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.728358][  T517]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.728361][  T517]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.728365][  T517]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.728367][  T517]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.728370][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.728372][  T517]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.728374][  T517]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.728377][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.728380][  T517]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.728382][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.728385][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.728387][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.728389][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.728392][  T517]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.728395][  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)
[   18.728398][  T517]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.728400][  T517]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.728402][  T517]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.728404][  T517]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.728408][  T517]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.728412][  T517]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.728415][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.728417][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.728421][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.728423][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.728426][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.728428][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.728431][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.728433][  T517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.728436][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.728438][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.728441][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.728444][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.728447][  T517]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.728449][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.728451][  T517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.728456][  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))
[   18.728458][  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))
[   18.728461][  T517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.728464][  T517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.728467][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.728470][  T517]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.728473][  T517]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.728476][  T517]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.728481][  T517]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.728484][  T517]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.728486][  T517]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.728489][  T517]  ? move_addr_to_kernel (net/socket.c:258)
[   18.728493][  T517]  ___sys_sendmsg (net/socket.c:2767)
[   18.728496][  T517]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.728504][  T517]  __sys_sendmsg (net/socket.c:2799)
[   18.728507][  T517]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.728512][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.728515][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.728517][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.728520][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.728523][  T517] RIP: 0033:0x7f7af1f2d54e
[   18.728526][  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
[   18.728529][  T517] RSP: 002b:00007fffe1018780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.728533][  T517] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7af1f2d54e
[   18.728535][  T517] RDX: 0000000000000000 RSI: 00007fffe1018830 RDI: 0000000000000005
[   18.728537][  T517] RBP: 00007fffe1018790 R08: 0000000000000000 R09: 0000000000000000
[   18.728538][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b65b
[   18.728539][  T517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe1018ef0
| [   30.892576][ T1262] softirqs last disabled at (0): 0x0
| [   30.892579][ T1262] Preemption disabled at:
| [   30.892580][ T1262] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.892594][ T1262] Tainted: [W]=WARN
[   30.892596][ T1262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.892598][ T1262] Call Trace:
[   30.892600][ T1262]  <TASK>
[   30.892602][ T1262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.892608][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.892611][ T1262]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.892616][ T1262]  ? __module_address (kernel/module/main.c:3915)
[   30.892620][ T1262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.892624][ T1262]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   30.892626][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892631][ 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))
[   30.892635][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.892639][ T1262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.892643][ 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)
[   30.892646][ T1262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.892649][ T1262]  put_chars (drivers/char/virtio_console.c:1176)
[   30.892651][ T1262]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   30.892653][ T1262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.892656][ T1262]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   30.892660][ T1262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.892664][ T1262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.892667][ 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)
[   30.892669][ T1262]  ? vsnprintf (lib/vsprintf.c:2900)
[   30.892673][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.892676][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892678][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.892681][ T1262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.892685][ T1262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.892688][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892691][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892693][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892695][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.892698][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.892701][ T1262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.892705][ T1262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.892709][ T1262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.892711][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.892713][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.892716][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892718][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.892720][ T1262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.892723][ T1262]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.892726][ T1262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.892728][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.892731][ T1262]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.892735][ T1262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.892737][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.892740][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.892743][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.892745][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892748][ T1262]  _printk (kernel/printk/printk.c:2504)
[   30.892752][ T1262]  ? snapshot_read.cold (user.c:?)
[   30.892756][ T1262]  ? br_multicast_flood (??:?) bridge
[   30.892774][ T1262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.892777][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.892779][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.892782][ T1262] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.892797][ T1262] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   30.892810][ T1262] new_nbp (net/bridge/br_if.c:449) bridge
[   30.892824][ T1262] br_add_if (net/bridge/br_if.c:592) bridge
[   30.892836][ T1262]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   30.892840][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.892842][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.892846][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   30.892849][ T1262]  do_set_master (net/core/rtnetlink.c:3071)
[   30.892853][ T1262]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.892856][ T1262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.892858][ T1262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.892860][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892863][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.892868][ T1262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.892872][ T1262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.892874][ T1262]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.892876][ T1262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.892878][ T1262]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   30.892881][ T1262]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   30.892883][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.892885][ T1262]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.892888][ T1262]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.892890][ T1262]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.892892][ T1262]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.892896][ T1262]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.892898][ T1262]  ? __sys_sendmsg (net/socket.c:2799)
[   30.892900][ T1262]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.892903][ T1262]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.892907][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892909][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.892912][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892914][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892917][ T1262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.892921][ 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)
[   30.892924][ T1262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.892929][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.892931][ T1262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.892933][ T1262]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.892937][ T1262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.892941][ T1262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.892944][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892947][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.892949][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.892951][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892954][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   30.892956][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.892959][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.892961][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   30.892963][ T1262]  ? write_profile (profile.c:?)
[   30.892965][ T1262]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.892968][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892971][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892973][ T1262]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.892978][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.892980][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.892982][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.892985][ T1262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.892987][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.892989][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.892992][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.892996][ T1262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.892998][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.893000][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.893002][ T1262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.893004][ T1262]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   30.893008][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.893011][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.893014][ T1262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.893017][ T1262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.893019][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.893021][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.893024][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.893027][ T1262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.893030][ T1262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.893033][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.893035][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.893038][ T1262]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.893041][ T1262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.893044][ T1262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.893046][ T1262]  ? move_addr_to_kernel (net/socket.c:258)
[   30.893048][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.893053][ T1262]  ___sys_sendmsg (net/socket.c:2767)
[   30.893055][ T1262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.893064][ T1262]  __sys_sendmsg (net/socket.c:2799)
[   30.893067][ T1262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.893071][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.893074][ T1262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.893076][ T1262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.893079][ T1262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.893082][ T1262] RIP: 0033:0x7f5242b2354e
[   30.893085][ 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
[   30.893088][ T1262] RSP: 002b:00007ffef844c4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.893092][ T1262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5242b2354e
[   30.893094][ T1262] RDX: 0000000000000000 RSI: 00007ffef844c590 RDI: 0000000000000005
[   30.893096][ T1262] RBP: 00007ffef844c4f0 R08: 0000000000000000 R09: 0000000000000000
[   30.893097][ T1262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b667


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