======================================
| [   10.197748][  T187] softirqs last disabled at (33809): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.197750][  T187] Preemption disabled at:
| [   10.197751][  T187] 0x0
| [   10.197761][  T187] Tainted: [W]=WARN
[   10.197762][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.197763][  T187] Call Trace:
[   10.197765][  T187]  <TASK>
[   10.197766][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.197773][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.197777][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.197781][  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)
[   10.197786][  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))
[   10.197789][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.197794][  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)
[   10.197797][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.197800][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.197803][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.197805][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.197809][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.197814][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.197821][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.197823][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.197826][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.197829][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.197833][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.197835][  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))
[   10.197838][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.197841][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.197848][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.197852][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.197854][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.197859][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.197862][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.197864][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.197866][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.197870][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.197872][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.197875][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.197879][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.197883][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.197886][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.197890][  T187]  ? snapshot_read.cold (user.c:?)
[   10.197893][  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)
[   10.197895][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.197899][  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)
[   10.197902][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.197906][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.197908][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.197910][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.197915][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.197917][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.197919][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.197921][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.197925][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.197928][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.197930][  T187] RIP: 0033:0x7f315862a1b8
[   10.197932][  T187] Code: Unable to access opcode bytes at 0x7f315862a18e.

Code starting with the faulting instruction
===========================================
[   10.197934][  T187] RSP: 002b:00007fff02d90948 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.197936][  T187] RAX: ffffffffffffffda RBX: 00007f315875af88 RCX: 00007f315862a1b8
[   10.197937][  T187] RDX: 00007f3158374fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.197938][  T187] RBP: 00007fff02d909a0 R08: 0000000000000000 R09: 0000000000008010
[   10.197939][  T187] R10: 00007fff02d90760 R11: 0000000000000246 R12: 0000000000000001
[   10.197940][  T187] R13: 0000000000000000 R14: 00007f3158759680 R15: 00007f315875afa0
| [   11.773296][  T254] softirqs last disabled at (12684): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.773299][  T254] Preemption disabled at:
| [   11.773299][  T254] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.773309][  T254] Tainted: [W]=WARN
[   11.773310][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.773312][  T254] Call Trace:
[   11.773314][  T254]  <TASK>
[   11.773315][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.773321][  T254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.773323][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.773328][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.773332][  T254]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.773338][  T254]  __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))
[   11.773340][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.773346][  T254]  ? 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)
[   11.773348][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.773351][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   11.773354][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.773359][  T254]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.773362][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.773365][  T254]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.773367][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.773368][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.773372][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.773374][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.773377][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.773381][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.773385][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.773389][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.773390][  T254]  ? 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))
[   11.773393][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.773396][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.773400][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.773404][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.773405][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.773411][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.773413][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.773415][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.773417][  T254]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.773421][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.773423][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.773426][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.773430][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.773432][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.773434][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.773438][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.773442][  T254]  _printk (kernel/printk/printk.c:2504)
[   11.773445][  T254]  ? snapshot_read.cold (user.c:?)
[   11.773449][  T254]  ? br_multicast_flood (??:?) bridge
[   11.773462][  T254]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.773463][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.773464][  T254]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.773469][  T254] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.773478][  T254] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.773486][  T254] new_nbp (net/bridge/br_if.c:449) bridge
[   11.773495][  T254] br_add_if (net/bridge/br_if.c:592) bridge
[   11.773502][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.773506][  T254]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.773509][  T254]  ? __kernel_text_address (kernel/extable.c:79)
[   11.773513][  T254]  do_set_master (net/core/rtnetlink.c:3071)
[   11.773518][  T254]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.773521][  T254]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.773524][  T254]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.773525][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.773527][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.773531][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.773534][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.773535][  T254]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.773538][  T254]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.773541][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.773542][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.773545][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.773547][  T254]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.773550][  T254]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.773554][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.773556][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.773559][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.773561][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.773562][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.773564][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.773566][  T254]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.773570][  T254]  ? __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)
[   11.773572][  T254]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.773574][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.773577][  T254]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.773578][  T254]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.773583][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.773588][  T254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.773593][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.773595][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.773600][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.773601][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.773603][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.773605][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.773609][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.773611][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.773614][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.773615][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.773619][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.773621][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.773624][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.773626][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.773629][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.773635][  T254]  ? 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))
[   11.773636][  T254]  ? 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))
[   11.773641][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.773644][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.773647][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.773651][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.773654][  T254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.773658][  T254]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.773663][  T254]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.773666][  T254]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.773668][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.773669][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   11.773676][  T254]  ___sys_sendmsg (net/socket.c:2767)
[   11.773680][  T254]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.773696][  T254]  __sys_sendmsg (net/socket.c:2799)
[   11.773699][  T254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.773705][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.773708][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.773711][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.773714][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.773716][  T254] RIP: 0033:0x7f8d1081b54e
[   11.773720][  T254] 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
[   11.773722][  T254] RSP: 002b:00007ffc200116f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.773724][  T254] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8d1081b54e
[   11.773726][  T254] RDX: 0000000000000000 RSI: 00007ffc200117a0 RDI: 0000000000000005
[   11.773727][  T254] RBP: 00007ffc20011700 R08: 0000000000000000 R09: 0000000000000000
[   11.773728][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91377d
[   11.773728][  T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc20011e60
| [   17.859549][  T496] softirqs last disabled at (13194): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.859551][  T496] Preemption disabled at:
| [   17.859552][  T496] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.859562][  T496] Tainted: [W]=WARN
[   17.859563][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.859564][  T496] Call Trace:
[   17.859566][  T496]  <TASK>
[   17.859568][  T496]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.859574][  T496]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.859576][  T496]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.859581][  T496]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.859585][  T496]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.859591][  T496]  __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))
[   17.859593][  T496]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.859598][  T496]  ? 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)
[   17.859601][  T496]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.859605][  T496]  put_chars (drivers/char/virtio_console.c:1176)
[   17.859607][  T496]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.859609][  T496]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.859612][  T496]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.859617][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.859619][  T496]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.859623][  T496]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.859626][  T496]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.859628][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.859629][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.859633][  T496]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.859636][  T496]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.859639][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.859641][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.859645][  T496]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.859649][  T496]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.859651][  T496]  ? 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))
[   17.859654][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.859657][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.859661][  T496]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.859665][  T496]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.859667][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.859672][  T496]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.859675][  T496]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.859676][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.859679][  T496]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.859682][  T496]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.859684][  T496]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.859688][  T496]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.859692][  T496]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.859694][  T496]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.859697][  T496]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.859701][  T496]  _printk (kernel/printk/printk.c:2504)
[   17.859704][  T496]  ? snapshot_read.cold (user.c:?)
[   17.859708][  T496]  ? br_multicast_flood (??:?) bridge
[   17.859721][  T496]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.859723][  T496]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.859724][  T496]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.859728][  T496] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.859739][  T496] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   17.859748][  T496] new_nbp (net/bridge/br_if.c:449) bridge
[   17.859757][  T496] br_add_if (net/bridge/br_if.c:592) bridge
[   17.859764][  T496]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   17.859768][  T496]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.859771][  T496]  ? __kernel_text_address (kernel/extable.c:79)
[   17.859775][  T496]  do_set_master (net/core/rtnetlink.c:3071)
[   17.859780][  T496]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.859783][  T496]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.859787][  T496]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.859788][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.859790][  T496]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.859793][  T496]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.859796][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.859798][  T496]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.859800][  T496]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.859803][  T496]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.859805][  T496]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.859808][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.859809][  T496]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   17.859813][  T496]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.859817][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.859819][  T496]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.859822][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.859824][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.859826][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.859827][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.859830][  T496]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.859834][  T496]  ? __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)
[   17.859837][  T496]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.859839][  T496]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.859842][  T496]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.859844][  T496]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.859849][  T496]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.859854][  T496]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.859860][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.859862][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.859866][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.859868][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.859875][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.859876][  T496]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.859880][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.859882][  T496]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.859885][  T496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.859886][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.859891][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.859893][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.859896][  T496]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.859898][  T496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.859901][  T496]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.859907][  T496]  ? 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))
[   17.859909][  T496]  ? 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))
[   17.859913][  T496]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.859917][  T496]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.859919][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.859923][  T496]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.859927][  T496]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.859931][  T496]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.859937][  T496]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.859939][  T496]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.859941][  T496]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.859943][  T496]  ? move_addr_to_kernel (net/socket.c:258)
[   17.859950][  T496]  ___sys_sendmsg (net/socket.c:2767)
[   17.859953][  T496]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.859969][  T496]  __sys_sendmsg (net/socket.c:2799)
[   17.859974][  T496]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.859981][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.859985][  T496]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.859988][  T496]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.859991][  T496]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.859994][  T496] RIP: 0033:0x7fe42dd7b54e
[   17.859997][  T496] 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
[   17.859999][  T496] RSP: 002b:00007ffc925d5d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.860002][  T496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe42dd7b54e
[   17.860004][  T496] RDX: 0000000000000000 RSI: 00007ffc925d5dc0 RDI: 0000000000000005
[   17.860005][  T496] RBP: 00007ffc925d5d20 R08: 0000000000000000 R09: 0000000000000000
[   17.860006][  T496] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913783
[   17.860006][  T496] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc925d6480
| [   18.285388][  T516]
| [   18.285388][  T516]
| [   18.285388][  T516] stack backtrace:
| [   18.285394][  T516] Tainted: [W]=WARN
[   18.285395][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.285396][  T516] Call Trace:
[   18.285397][  T516]  <TASK>
[   18.285398][  T516]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.285402][  T516]  print_bad_irq_dependency (kernel/locking/lockdep.c:2632)
[   18.285405][  T516]  check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1))
[   18.285406][  T516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.285410][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.285413][  T516]  ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147)
[   18.285415][  T516]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.285417][  T516]  check_prev_add (kernel/locking/lockdep.c:3185)
[   18.285418][  T516]  validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924)
[   18.285420][  T516]  __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.285423][  T516]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.285424][  T516]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.285426][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.285428][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.285430][  T516]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.285431][  T516]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.285433][  T516]  console_emit_next_record (kernel/printk/printk.c:3177)
[   18.285435][  T516]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.285437][  T516]  ? 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))
[   18.285439][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.285440][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.285442][  T516]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.285444][  T516]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.285446][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.285448][  T516]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.285450][  T516]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.285452][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.285453][  T516]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.285455][  T516]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.285457][  T516]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.285459][  T516]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.285461][  T516]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.285463][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.285465][  T516]  _printk (kernel/printk/printk.c:2504)
[   18.285466][  T516]  ? snapshot_read.cold (user.c:?)
[   18.285468][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.285470][  T516]  ? 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
[   18.285477][  T516] fdb_add_local.cold (net/bridge/br_fdb.c:445 (discriminator 4) net/bridge/br_fdb.c:430 (discriminator 4)) bridge
[   18.285483][  T516] br_fdb_add_local (net/bridge/br_fdb.c:961) bridge
[   18.285490][  T516] br_add_if (net/bridge/br_if.c:655) bridge
[   18.285497][  T516]  do_set_master (net/core/rtnetlink.c:3071)
[   18.285500][  T516]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.285501][  T516]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.285504][  T516]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.285505][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.285506][  T516]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.285509][  T516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.285511][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.285513][  T516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.285514][  T516]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.285517][  T516]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.285518][  T516]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.285520][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.285521][  T516]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.285523][  T516]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.285525][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.285526][  T516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.285527][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.285529][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.285530][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.285532][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.285534][  T516]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.285537][  T516]  ? __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)
[   18.285538][  T516]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.285539][  T516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.285541][  T516]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.285542][  T516]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.285544][  T516]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.285546][  T516]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.285548][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.285549][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.285551][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.285553][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.285554][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.285555][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.285557][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.285559][  T516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.285560][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.285561][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.285563][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.285565][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.285566][  T516]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.285568][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.285569][  T516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.285572][  T516]  ? 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))
[   18.285573][  T516]  ? 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))
[   18.285575][  T516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.285576][  T516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.285578][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.285580][  T516]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.285582][  T516]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.285584][  T516]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.285587][  T516]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.285589][  T516]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.285591][  T516]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.285592][  T516]  ? move_addr_to_kernel (net/socket.c:258)
[   18.285595][  T516]  ___sys_sendmsg (net/socket.c:2767)
[   18.285597][  T516]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.285601][  T516]  __sys_sendmsg (net/socket.c:2799)
[   18.285603][  T516]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.285606][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.285608][  T516]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.285609][  T516]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.285611][  T516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.285613][  T516] RIP: 0033:0x7f5d7af3254e
[   18.285615][  T516] 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
[   18.285617][  T516] RSP: 002b:00007fff50f3bb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.285620][  T516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5d7af3254e
[   18.285622][  T516] RDX: 0000000000000000 RSI: 00007fff50f3bc10 RDI: 0000000000000005
[   18.285622][  T516] RBP: 00007fff50f3bb70 R08: 0000000000000000 R09: 0000000000000000
[   18.285623][  T516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913783
[   18.285624][  T516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff50f3c2d0
| [   29.510131][ T1262] softirqs last disabled at (0): 0x0
| [   29.510133][ T1262] Preemption disabled at:
| [   29.510133][ T1262] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.510144][ T1262] Tainted: [W]=WARN
[   29.510145][ T1262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.510146][ T1262] Call Trace:
[   29.510148][ T1262]  <TASK>
[   29.510149][ T1262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.510155][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.510157][ T1262]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.510160][ T1262]  ? __module_address (kernel/module/main.c:3915)
[   29.510164][ T1262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.510167][ T1262]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   29.510169][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510172][ 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))
[   29.510176][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.510178][ T1262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.510182][ 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)
[   29.510184][ T1262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.510186][ T1262]  put_chars (drivers/char/virtio_console.c:1176)
[   29.510187][ T1262]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   29.510189][ T1262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.510190][ T1262]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   29.510193][ T1262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.510196][ T1262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.510198][ 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)
[   29.510199][ T1262]  ? vsnprintf (lib/vsprintf.c:2900)
[   29.510203][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.510204][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510206][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.510208][ T1262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.510211][ T1262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.510213][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510214][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510216][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510218][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.510219][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.510221][ T1262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.510223][ T1262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.510226][ T1262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.510228][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.510229][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.510231][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510233][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.510234][ T1262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.510235][ T1262]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.510237][ T1262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.510239][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.510242][ T1262]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.510244][ T1262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.510246][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.510248][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.510250][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.510251][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510254][ T1262]  _printk (kernel/printk/printk.c:2504)
[   29.510257][ T1262]  ? snapshot_read.cold (user.c:?)
[   29.510259][ T1262]  ? br_multicast_flood (??:?) bridge
[   29.510271][ T1262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.510274][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.510275][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.510277][ T1262] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.510285][ T1262] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   29.510293][ T1262] new_nbp (net/bridge/br_if.c:449) bridge
[   29.510300][ T1262] br_add_if (net/bridge/br_if.c:592) bridge
[   29.510307][ T1262]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   29.510310][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.510312][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.510315][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   29.510316][ T1262]  do_set_master (net/core/rtnetlink.c:3071)
[   29.510319][ T1262]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.510321][ T1262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.510323][ T1262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.510324][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510325][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.510329][ T1262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.510332][ T1262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.510333][ T1262]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.510335][ T1262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.510336][ T1262]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   29.510338][ T1262]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   29.510339][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.510340][ T1262]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.510343][ T1262]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.510344][ T1262]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.510345][ T1262]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.510348][ T1262]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.510349][ T1262]  ? __sys_sendmsg (net/socket.c:2799)
[   29.510351][ T1262]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.510353][ T1262]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.510355][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510357][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.510358][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510360][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510362][ T1262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.510364][ 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)
[   29.510367][ T1262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.510368][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.510370][ T1262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.510371][ T1262]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.510373][ T1262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.510375][ T1262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.510377][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510379][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.510380][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.510381][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510384][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.510385][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.510387][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.510388][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   29.510390][ T1262]  ? write_profile (profile.c:?)
[   29.510391][ T1262]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.510393][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510395][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510397][ T1262]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.510400][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.510402][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510403][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.510405][ T1262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.510406][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.510408][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.510409][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.510412][ T1262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.510413][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.510414][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.510416][ T1262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.510417][ T1262]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.510420][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510422][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.510423][ T1262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.510425][ T1262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.510427][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510429][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510430][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.510432][ T1262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.510434][ T1262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.510436][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510438][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.510440][ T1262]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.510441][ T1262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.510443][ T1262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.510444][ T1262]  ? move_addr_to_kernel (net/socket.c:258)
[   29.510446][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.510448][ T1262]  ___sys_sendmsg (net/socket.c:2767)
[   29.510450][ T1262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.510455][ T1262]  __sys_sendmsg (net/socket.c:2799)
[   29.510457][ T1262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.510460][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.510462][ T1262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.510463][ T1262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.510465][ T1262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.510467][ T1262] RIP: 0033:0x7f40c8ab154e
[   29.510469][ 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
[   29.510470][ T1262] RSP: 002b:00007ffcc69f73c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.510474][ T1262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f40c8ab154e
[   29.510476][ T1262] RDX: 0000000000000000 RSI: 00007ffcc69f7470 RDI: 0000000000000005
[   29.510476][ T1262] RBP: 00007ffcc69f73d0 R08: 0000000000000000 R09: 0000000000000000
[   29.510477][ T1262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91378e


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