======================================
| [   10.645458][  T187] softirqs last disabled at (37675): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.645460][  T187] Preemption disabled at:
| [   10.645461][  T187] 0x0
| [   10.645471][  T187] Tainted: [W]=WARN
[   10.645472][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.645474][  T187] Call Trace:
[   10.645475][  T187]  <TASK>
[   10.645477][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.645483][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.645487][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.645492][  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)
[   10.645497][  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))
[   10.645499][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.645505][  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)
[   10.645508][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.645511][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.645514][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.645515][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.645520][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.645525][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.645532][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.645534][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.645536][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.645540][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.645544][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.645546][  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))
[   10.645549][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.645552][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.645556][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.645560][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.645562][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.645567][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.645570][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.645572][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.645574][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.645578][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.645580][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.645583][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.645587][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.645591][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.645595][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.645598][  T187]  ? snapshot_read.cold (user.c:?)
[   10.645601][  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)
[   10.645604][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.645608][  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)
[   10.645611][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.645615][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.645617][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.645619][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.645624][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.645626][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.645628][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.645630][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.645634][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.645637][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.645639][  T187] RIP: 0033:0x7f315a4971b8
[   10.645641][  T187] Code: Unable to access opcode bytes at 0x7f315a49718e.

Code starting with the faulting instruction
===========================================
[   10.645643][  T187] RSP: 002b:00007fff9c5511e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.645645][  T187] RAX: ffffffffffffffda RBX: 00007f315a5c7f88 RCX: 00007f315a4971b8
[   10.645646][  T187] RDX: 00007f315a1e1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.645647][  T187] RBP: 00007fff9c551240 R08: 0000000000000000 R09: 0000000000008010
[   10.645648][  T187] R10: 00007fff9c551000 R11: 0000000000000246 R12: 0000000000000001
[   10.645649][  T187] R13: 0000000000000000 R14: 00007f315a5c6680 R15: 00007f315a5c7fa0
| [   12.804725][  T269] softirqs last disabled at (13550): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.804727][  T269] Preemption disabled at:
| [   12.804728][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.804737][  T269] Tainted: [W]=WARN
[   12.804738][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.804740][  T269] Call Trace:
[   12.804742][  T269]  <TASK>
[   12.804744][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.804750][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.804752][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.804757][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.804761][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.804767][  T269]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.804769][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.804775][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.804778][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.804781][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   12.804784][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.804789][  T269]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.804792][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.804795][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.804797][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.804799][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.804803][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.804805][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.804809][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.804813][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.804817][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.804821][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.804823][  T269]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.804826][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.804829][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.804833][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.804837][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.804839][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.804845][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.804848][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.804850][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.804852][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.804856][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.804858][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.804861][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.804865][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.804868][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.804870][  T269]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.804876][  T269]  _printk (kernel/printk/printk.c:2504)
[   12.804880][  T269]  ? snapshot_read.cold (user.c:?)
[   12.804884][  T269]  ? br_multicast_flood (??:?) bridge
[   12.804897][  T269]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.804899][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.804900][  T269]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.804905][  T269] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.804916][  T269] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.804924][  T269] new_nbp (net/bridge/br_if.c:449) bridge
[   12.804934][  T269] br_add_if (net/bridge/br_if.c:592) bridge
[   12.804941][  T269]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.804945][  T269]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.804949][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   12.804953][  T269]  do_set_master (net/core/rtnetlink.c:3071)
[   12.804958][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.804961][  T269]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.804964][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.804966][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.804968][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.804972][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.804975][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.804977][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.804979][  T269]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.804982][  T269]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.804984][  T269]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.804987][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.804989][  T269]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.804992][  T269]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.804997][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.804999][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.805001][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.805004][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.805006][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.805008][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.805010][  T269]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.805014][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.805016][  T269]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.805018][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.805021][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.805023][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.805028][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.805034][  T269]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.805039][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.805041][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.805046][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.805048][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.805050][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.805052][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.805056][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.805058][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.805061][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.805063][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.805067][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.805069][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.805073][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.805075][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.805078][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.805084][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.805086][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.805090][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.805094][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.805097][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.805101][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.805105][  T269]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.805110][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.805115][  T269]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.805118][  T269]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.805120][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.805122][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   12.805129][  T269]  ___sys_sendmsg (net/socket.c:2767)
[   12.805132][  T269]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.805149][  T269]  __sys_sendmsg (net/socket.c:2799)
[   12.805152][  T269]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.805159][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.805163][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.805165][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.805168][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.805171][  T269] RIP: 0033:0x7f44000c654e
[   12.805174][  T269] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.805176][  T269] RSP: 002b:00007ffded655600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.805179][  T269] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f44000c654e
[   12.805181][  T269] RDX: 0000000000000000 RSI: 00007ffded6556b0 RDI: 0000000000000005
[   12.805182][  T269] RBP: 00007ffded655610 R08: 0000000000000000 R09: 0000000000000000
[   12.805183][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103e2
[   12.805184][  T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffded655d70
| [   23.084158][  T353] softirqs last disabled at (14842): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   23.084160][  T353] Preemption disabled at:
| [   23.084161][  T353] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.084170][  T353] Tainted: [W]=WARN
[   23.084171][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.084173][  T353] Call Trace:
[   23.084174][  T353]  <TASK>
[   23.084176][  T353]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.084181][  T353]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.084184][  T353]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.084188][  T353]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.084192][  T353]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.084197][  T353]  __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))
[   23.084200][  T353]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.084205][  T353]  ? 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)
[   23.084208][  T353]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.084211][  T353]  put_chars (drivers/char/virtio_console.c:1176)
[   23.084214][  T353]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.084215][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.084220][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.084225][  T353]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.084231][  T353]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.084233][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.084236][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.084240][  T353]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.084244][  T353]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.084245][  T353]  ? 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))
[   23.084249][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.084251][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.084255][  T353]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.084259][  T353]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.084261][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.084266][  T353]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.084269][  T353]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.084271][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.084273][  T353]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.084277][  T353]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.084278][  T353]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.084282][  T353]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.084285][  T353]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.084287][  T353]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.084289][  T353]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.084292][  T353]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.084299][  T353]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.084302][  T353]  ? ___sys_sendmsg (net/socket.c:2767)
[   23.084304][  T353]  ? __sys_sendmsg (net/socket.c:2799)
[   23.084305][  T353]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.084310][  T353]  _printk (kernel/printk/printk.c:2504)
[   23.084314][  T353]  ? snapshot_read.cold (user.c:?)
[   23.084318][  T353]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.084321][  T353]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.084325][  T353]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.084327][  T353]  ? netdev_notice (net/core/dev.c:13194)
[   23.084331][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.084333][  T353]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   23.084336][  T353]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   23.084337][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.084339][  T353]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.084343][  T353]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   23.084347][  T353]  dev_set_allmulti (net/core/dev_api.c:315)
[   23.084351][  T353] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   23.084367][  T353]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   23.084373][  T353] br_del_if (net/bridge/br_if.c:732) bridge
[   23.084381][  T353]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.084384][  T353]  do_set_master (net/core/rtnetlink.c:3055)
[   23.084389][  T353]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.084392][  T353]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.084395][  T353]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.084397][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.084399][  T353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.084403][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.084405][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.084407][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.084410][  T353]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.084413][  T353]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.084414][  T353]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.084417][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.084419][  T353]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   23.084421][  T353]  ? ___sys_sendmsg (net/socket.c:2757)
[   23.084424][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.084426][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.084429][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.084431][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.084433][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.084434][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.084437][  T353]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.084440][  T353]  ? __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)
[   23.084442][  T353]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.084444][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.084448][  T353]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.084449][  T353]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.084454][  T353]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.084460][  T353]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.084465][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.084467][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.084471][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.084473][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.084475][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.084477][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.084480][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.084482][  T353]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.084485][  T353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.084487][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.084491][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.084493][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.084496][  T353]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.084498][  T353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.084500][  T353]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.084506][  T353]  ? 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))
[   23.084508][  T353]  ? 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))
[   23.084512][  T353]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.084516][  T353]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.084518][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.084522][  T353]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.084526][  T353]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.084530][  T353]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.084535][  T353]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.084537][  T353]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.084539][  T353]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.084541][  T353]  ? move_addr_to_kernel (net/socket.c:258)
[   23.084548][  T353]  ___sys_sendmsg (net/socket.c:2767)
[   23.084551][  T353]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.084566][  T353]  __sys_sendmsg (net/socket.c:2799)
[   23.084569][  T353]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.084575][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.084578][  T353]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.084580][  T353]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.084583][  T353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.084586][  T353] RIP: 0033:0x7fa42ca0154e
[   23.084589][  T353] 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
[   23.084591][  T353] RSP: 002b:00007ffe845eef70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.084594][  T353] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa42ca0154e
[   23.084595][  T353] RDX: 0000000000000000 RSI: 00007ffe845ef020 RDI: 0000000000000005
[   23.084596][  T353] RBP: 00007ffe845eef80 R08: 0000000000000000 R09: 0000000000000000
[   23.084597][  T353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103ec
[   23.084598][  T353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe845ef6e0
| [   25.225718][  T356] softirqs last disabled at (11240): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   25.225721][  T356] Preemption disabled at:
| [   25.225721][  T356] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.225731][  T356] Tainted: [W]=WARN
[   25.225731][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.225733][  T356] Call Trace:
[   25.225735][  T356]  <TASK>
[   25.225736][  T356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.225742][  T356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.225745][  T356]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.225749][  T356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.225753][  T356]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.225758][  T356]  __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))
[   25.225761][  T356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.225766][  T356]  ? 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)
[   25.225769][  T356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.225772][  T356]  put_chars (drivers/char/virtio_console.c:1176)
[   25.225774][  T356]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   25.225776][  T356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.225779][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.225784][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.225786][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.225790][  T356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.225793][  T356]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.225795][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.225797][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.225801][  T356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.225803][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.225806][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.225808][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.225813][  T356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.225816][  T356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.225818][  T356]  ? 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))
[   25.225822][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.225824][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.225828][  T356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.225833][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.225834][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.225840][  T356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.225843][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.225844][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.225847][  T356]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.225851][  T356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.225852][  T356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.225856][  T356]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.225860][  T356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.225862][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.225868][  T356]  _printk (kernel/printk/printk.c:2504)
[   25.225871][  T356]  ? snapshot_read.cold (user.c:?)
[   25.225875][  T356]  ? br_multicast_flood (??:?) bridge
[   25.225888][  T356]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.225890][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.225891][  T356]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.225895][  T356] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   25.225906][  T356] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   25.225915][  T356] new_nbp (net/bridge/br_if.c:449) bridge
[   25.225924][  T356] br_add_if (net/bridge/br_if.c:592) bridge
[   25.225931][  T356]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   25.225935][  T356]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   25.225938][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   25.225942][  T356]  do_set_master (net/core/rtnetlink.c:3071)
[   25.225948][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.225951][  T356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.225954][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.225956][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.225958][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.225961][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.225964][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.225966][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.225968][  T356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.225971][  T356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.225973][  T356]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.225976][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.225978][  T356]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   25.225981][  T356]  ? ___sys_sendmsg (net/socket.c:2757)
[   25.225985][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.225987][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.225990][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.225992][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.225994][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.225996][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.225998][  T356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.226002][  T356]  ? __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)
[   25.226005][  T356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.226007][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.226011][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.226012][  T356]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.226018][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.226023][  T356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.226028][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.226030][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.226035][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.226037][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.226039][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.226041][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.226045][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.226047][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.226050][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.226051][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.226056][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.226058][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.226061][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.226063][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.226066][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.226072][  T356]  ? 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))
[   25.226074][  T356]  ? 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))
[   25.226078][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.226082][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.226085][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.226089][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.226093][  T356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.226097][  T356]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.226102][  T356]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.226105][  T356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.226107][  T356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.226109][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   25.226116][  T356]  ___sys_sendmsg (net/socket.c:2767)
[   25.226119][  T356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.226136][  T356]  __sys_sendmsg (net/socket.c:2799)
[   25.226139][  T356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.226145][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.226149][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.226151][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.226154][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.226157][  T356] RIP: 0033:0x7fbeda7d154e
[   25.226160][  T356] 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
[   25.226162][  T356] RSP: 002b:00007ffc4bcf8b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.226165][  T356] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbeda7d154e
[   25.226167][  T356] RDX: 0000000000000000 RSI: 00007ffc4bcf8be0 RDI: 0000000000000005
[   25.226167][  T356] RBP: 00007ffc4bcf8b40 R08: 0000000000000000 R09: 0000000000000000
[   25.226168][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103ee
[   25.226169][  T356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4bcf92a0
| [   29.825398][  T409] softirqs last disabled at (14412): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   29.825400][  T409] Preemption disabled at:
| [   29.825401][  T409] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.825410][  T409] Tainted: [W]=WARN
[   29.825411][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.825413][  T409] Call Trace:
[   29.825415][  T409]  <TASK>
[   29.825416][  T409]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.825422][  T409]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.825425][  T409]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.825429][  T409]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.825434][  T409]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.825439][  T409]  __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))
[   29.825441][  T409]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.825447][  T409]  ? 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)
[   29.825450][  T409]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.825453][  T409]  put_chars (drivers/char/virtio_console.c:1176)
[   29.825456][  T409]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.825457][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.825462][  T409]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.825468][  T409]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.825474][  T409]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.825476][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.825479][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.825483][  T409]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.825487][  T409]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.825489][  T409]  ? 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))
[   29.825492][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.825494][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.825498][  T409]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.825503][  T409]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.825504][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.825510][  T409]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.825513][  T409]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.825515][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.825517][  T409]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.825521][  T409]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.825522][  T409]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.825526][  T409]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.825530][  T409]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.825532][  T409]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.825533][  T409]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.825536][  T409]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.825538][  T409]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.825541][  T409]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.825542][  T409]  ? __sys_sendmsg (net/socket.c:2799)
[   29.825544][  T409]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.825549][  T409]  _printk (kernel/printk/printk.c:2504)
[   29.825553][  T409]  ? snapshot_read.cold (user.c:?)
[   29.825558][  T409]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.825562][  T409]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.825565][  T409]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.825568][  T409]  ? netdev_notice (net/core/dev.c:13194)
[   29.825572][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.825574][  T409]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   29.825577][  T409]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   29.825578][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.825580][  T409]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.825584][  T409]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   29.825589][  T409]  dev_set_allmulti (net/core/dev_api.c:315)
[   29.825592][  T409] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   29.825605][  T409]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.825612][  T409] br_del_if (net/bridge/br_if.c:732) bridge
[   29.825620][  T409]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.825623][  T409]  do_set_master (net/core/rtnetlink.c:3055)
[   29.825628][  T409]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.825631][  T409]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.825634][  T409]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.825636][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.825638][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.825642][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.825644][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.825646][  T409]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.825649][  T409]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.825652][  T409]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.825654][  T409]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.825657][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.825659][  T409]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   29.825660][  T409]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.825664][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.825666][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.825669][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.825671][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.825673][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.825674][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.825677][  T409]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.825680][  T409]  ? __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)
[   29.825682][  T409]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.825684][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.825688][  T409]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.825689][  T409]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.825694][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.825700][  T409]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.825705][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.825707][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.825712][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.825714][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.825716][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.825718][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.825721][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.825723][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.825726][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.825728][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.825732][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.825734][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.825738][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.825739][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.825742][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.825748][  T409]  ? 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))
[   29.825750][  T409]  ? 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))
[   29.825754][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.825758][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.825761][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.825765][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.825769][  T409]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.825773][  T409]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.825778][  T409]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.825781][  T409]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.825783][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.825785][  T409]  ? move_addr_to_kernel (net/socket.c:258)
[   29.825792][  T409]  ___sys_sendmsg (net/socket.c:2767)
[   29.825795][  T409]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.825811][  T409]  __sys_sendmsg (net/socket.c:2799)
[   29.825814][  T409]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.825820][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.825824][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.825825][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.825828][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.825831][  T409] RIP: 0033:0x7fb4261db54e
[   29.825835][  T409] 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
[   29.825836][  T409] RSP: 002b:00007fff608651b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.825839][  T409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb4261db54e
[   29.825841][  T409] RDX: 0000000000000000 RSI: 00007fff60865260 RDI: 0000000000000005
[   29.825842][  T409] RBP: 00007fff608651c0 R08: 0000000000000000 R09: 0000000000000000
[   29.825843][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103f3


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print