======================================
| [    9.514927][  T187] softirqs last disabled at (38391): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.514929][  T187] Preemption disabled at:
| [    9.514930][  T187] 0x0
| [    9.514940][  T187] Tainted: [W]=WARN
[    9.514941][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.514942][  T187] Call Trace:
[    9.514944][  T187]  <TASK>
[    9.514945][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.514952][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.514956][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.514960][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.514966][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.514968][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.514974][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.514977][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.514980][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.514983][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.514985][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.514989][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.514995][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.515001][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.515003][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.515006][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.515010][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.515021][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.515023][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.515027][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.515029][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.515033][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.515037][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.515039][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.515045][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.515048][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.515050][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.515052][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.515056][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.515057][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.515061][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.515065][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.515068][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.515072][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.515076][  T187]  ? snapshot_read.cold (user.c:?)
[    9.515079][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.515082][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.515086][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.515088][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.515092][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.515094][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.515097][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.515103][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.515107][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.515110][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.515113][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.515117][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.515122][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.515125][  T187] RIP: 0033:0x7fe969f3d1b8
[    9.515128][  T187] Code: Unable to access opcode bytes at 0x7fe969f3d18e.

Code starting with the faulting instruction
===========================================
[    9.515129][  T187] RSP: 002b:00007ffd85004998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.515132][  T187] RAX: ffffffffffffffda RBX: 00007fe96a06df88 RCX: 00007fe969f3d1b8
[    9.515133][  T187] RDX: 00007fe969c87fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.515134][  T187] RBP: 00007ffd850049f0 R08: 0000000000000000 R09: 0000000000008010
[    9.515135][  T187] R10: 00007ffd850047b0 R11: 0000000000000246 R12: 0000000000000001
[    9.515136][  T187] R13: 0000000000000000 R14: 00007fe96a06c680 R15: 00007fe96a06dfa0
| [   11.410624][  T267] softirqs last disabled at (12798): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.410626][  T267] Preemption disabled at:
| [   11.410627][  T267] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.410637][  T267] Tainted: [W]=WARN
[   11.410637][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.410639][  T267] Call Trace:
[   11.410641][  T267]  <TASK>
[   11.410643][  T267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.410648][  T267]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.410651][  T267]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.410655][  T267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.410660][  T267]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.410665][  T267]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.410667][  T267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.410673][  T267]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.410676][  T267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.410679][  T267]  put_chars (drivers/char/virtio_console.c:1176)
[   11.410682][  T267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.410687][  T267]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.410690][  T267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.410694][  T267]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.410696][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.410697][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.410701][  T267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.410703][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.410707][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.410711][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.410715][  T267]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.410719][  T267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.410720][  T267]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.410724][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.410726][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.410730][  T267]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.410734][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.410736][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.410741][  T267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.410744][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.410746][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.410749][  T267]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.410752][  T267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.410754][  T267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.410758][  T267]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.410761][  T267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.410764][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.410766][  T267]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.410772][  T267]  _printk (kernel/printk/printk.c:2504)
[   11.410776][  T267]  ? snapshot_read.cold (user.c:?)
[   11.410780][  T267]  ? br_multicast_flood (??:?) bridge
[   11.410793][  T267]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.410794][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.410795][  T267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.410800][  T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.410810][  T267] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.410819][  T267] new_nbp (net/bridge/br_if.c:449) bridge
[   11.410828][  T267] br_add_if (net/bridge/br_if.c:592) bridge
[   11.410835][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.410839][  T267]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.410842][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   11.410846][  T267]  do_set_master (net/core/rtnetlink.c:3071)
[   11.410851][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.410854][  T267]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.410857][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.410858][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.410861][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.410865][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.410868][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.410869][  T267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.410872][  T267]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.410875][  T267]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.410877][  T267]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.410879][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.410881][  T267]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.410885][  T267]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.410889][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.410891][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.410894][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.410896][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.410898][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.410899][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.410902][  T267]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.410906][  T267]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.410908][  T267]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.410910][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.410913][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.410915][  T267]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.410920][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.410925][  T267]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.410930][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.410932][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.410937][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.410939][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.410941][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.410943][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.410946][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.410948][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.410952][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.410953][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.410957][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.410959][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.410963][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.410965][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.410968][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.410974][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.410975][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.410980][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.410983][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.410986][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.410990][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.410994][  T267]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.410998][  T267]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.411003][  T267]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.411006][  T267]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.411008][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.411010][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   11.411017][  T267]  ___sys_sendmsg (net/socket.c:2767)
[   11.411020][  T267]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.411040][  T267]  __sys_sendmsg (net/socket.c:2799)
[   11.411043][  T267]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.411049][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.411053][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.411055][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.411058][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.411061][  T267] RIP: 0033:0x7f0553d5354e
[   11.411064][  T267] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.411066][  T267] RSP: 002b:00007ffd1b020b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.411069][  T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0553d5354e
[   11.411070][  T267] RDX: 0000000000000000 RSI: 00007ffd1b020c40 RDI: 0000000000000005
[   11.411071][  T267] RBP: 00007ffd1b020ba0 R08: 0000000000000000 R09: 0000000000000000
[   11.411072][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d99
[   11.411073][  T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1b021300
| [   21.557333][  T351] softirqs last disabled at (15032): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.557335][  T351] Preemption disabled at:
| [   21.557336][  T351] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.557346][  T351] Tainted: [W]=WARN
[   21.557347][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.557348][  T351] Call Trace:
[   21.557350][  T351]  <TASK>
[   21.557352][  T351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.557357][  T351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.557360][  T351]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.557364][  T351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.557369][  T351]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.557374][  T351]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.557376][  T351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.557382][  T351]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.557385][  T351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.557388][  T351]  put_chars (drivers/char/virtio_console.c:1176)
[   21.557391][  T351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.557392][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.557397][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.557402][  T351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.557409][  T351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.557411][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.557414][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.557418][  T351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.557422][  T351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.557423][  T351]  ? 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))
[   21.557427][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.557429][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.557433][  T351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.557437][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.557439][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.557445][  T351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.557448][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.557449][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.557452][  T351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.557456][  T351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.557457][  T351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.557461][  T351]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.557465][  T351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.557467][  T351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.557468][  T351]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.557471][  T351]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.557473][  T351]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.557475][  T351]  ? ___sys_sendmsg (net/socket.c:2767)
[   21.557477][  T351]  ? __sys_sendmsg (net/socket.c:2799)
[   21.557479][  T351]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.557484][  T351]  _printk (kernel/printk/printk.c:2504)
[   21.557488][  T351]  ? snapshot_read.cold (user.c:?)
[   21.557493][  T351]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.557496][  T351]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.557500][  T351]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.557502][  T351]  ? netdev_notice (net/core/dev.c:13194)
[   21.557506][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.557509][  T351]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   21.557511][  T351]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   21.557513][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.557515][  T351]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.557519][  T351]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   21.557523][  T351]  dev_set_allmulti (net/core/dev_api.c:315)
[   21.557527][  T351] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   21.557541][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.557548][  T351] br_del_if (net/bridge/br_if.c:732) bridge
[   21.557555][  T351]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.557558][  T351]  do_set_master (net/core/rtnetlink.c:3055)
[   21.557563][  T351]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.557566][  T351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.557570][  T351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.557571][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.557573][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.557577][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.557580][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.557581][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.557584][  T351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.557587][  T351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.557589][  T351]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.557592][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.557593][  T351]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   21.557595][  T351]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.557601][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.557603][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.557606][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.557609][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.557610][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.557612][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.557615][  T351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.557618][  T351]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   21.557620][  T351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.557622][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.557626][  T351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.557627][  T351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.557633][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.557638][  T351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.557644][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.557646][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.557650][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.557652][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.557655][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.557656][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.557660][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.557662][  T351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.557666][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.557667][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.557671][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.557673][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.557677][  T351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.557679][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.557682][  T351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.557688][  T351]  ? 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))
[   21.557690][  T351]  ? 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))
[   21.557694][  T351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.557698][  T351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.557701][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.557705][  T351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.557709][  T351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.557713][  T351]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.557718][  T351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.557721][  T351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.557723][  T351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.557725][  T351]  ? move_addr_to_kernel (net/socket.c:258)
[   21.557733][  T351]  ___sys_sendmsg (net/socket.c:2767)
[   21.557735][  T351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.557752][  T351]  __sys_sendmsg (net/socket.c:2799)
[   21.557755][  T351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.557761][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.557765][  T351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.557766][  T351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.557770][  T351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.557772][  T351] RIP: 0033:0x7fbea9ea354e
[   21.557776][  T351] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.557778][  T351] RSP: 002b:00007fff2f7ae250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.557781][  T351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbea9ea354e
[   21.557782][  T351] RDX: 0000000000000000 RSI: 00007fff2f7ae300 RDI: 0000000000000005
[   21.557783][  T351] RBP: 00007fff2f7ae260 R08: 0000000000000000 R09: 0000000000000000
[   21.557784][  T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912da3
[   21.557785][  T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2f7ae9c0
| [   23.678410][  T354] softirqs last disabled at (11736): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   23.678413][  T354] Preemption disabled at:
| [   23.678414][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.678424][  T354] Tainted: [W]=WARN
[   23.678425][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.678427][  T354] Call Trace:
[   23.678429][  T354]  <TASK>
[   23.678430][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.678436][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.678438][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.678443][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.678447][  T354]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.678453][  T354]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.678455][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.678461][  T354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.678464][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.678467][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   23.678469][  T354]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   23.678472][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.678475][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.678479][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.678481][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.678485][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.678488][  T354]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.678490][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.678491][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.678495][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.678497][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   23.678501][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.678503][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.678507][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.678511][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.678513][  T354]  ? 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))
[   23.678516][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.678518][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.678523][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.678527][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.678529][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.678534][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.678537][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.678538][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.678541][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.678544][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.678546][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.678550][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.678554][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.678556][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.678561][  T354]  _printk (kernel/printk/printk.c:2504)
[   23.678565][  T354]  ? snapshot_read.cold (user.c:?)
[   23.678569][  T354]  ? br_multicast_flood (??:?) bridge
[   23.678582][  T354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.678583][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.678585][  T354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.678589][  T354] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   23.678601][  T354] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   23.678610][  T354] new_nbp (net/bridge/br_if.c:449) bridge
[   23.678620][  T354] br_add_if (net/bridge/br_if.c:592) bridge
[   23.678627][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   23.678631][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.678634][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   23.678638][  T354]  do_set_master (net/core/rtnetlink.c:3071)
[   23.678643][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.678646][  T354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.678649][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.678650][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.678652][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.678656][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.678658][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.678660][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.678663][  T354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.678666][  T354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.678667][  T354]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.678670][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.678672][  T354]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   23.678675][  T354]  ? ___sys_sendmsg (net/socket.c:2757)
[   23.678680][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.678681][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.678684][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.678686][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.678688][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.678690][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.678692][  T354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.678696][  T354]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   23.678699][  T354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.678701][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.678705][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.678706][  T354]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.678711][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.678717][  T354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.678722][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.678724][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.678729][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.678730][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.678732][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.678734][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.678738][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.678740][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.678743][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.678745][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.678749][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.678751][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.678754][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.678756][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.678759][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.678765][  T354]  ? 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))
[   23.678767][  T354]  ? 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))
[   23.678771][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.678775][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.678777][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.678782][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.678785][  T354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.678789][  T354]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.678795][  T354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.678797][  T354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.678799][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.678801][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   23.678808][  T354]  ___sys_sendmsg (net/socket.c:2767)
[   23.678811][  T354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.678827][  T354]  __sys_sendmsg (net/socket.c:2799)
[   23.678830][  T354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.678837][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.678840][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.678843][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.678846][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.678848][  T354] RIP: 0033:0x7feebd65254e
[   23.678851][  T354] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.678854][  T354] RSP: 002b:00007fff7c806470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.678856][  T354] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feebd65254e
[   23.678858][  T354] RDX: 0000000000000000 RSI: 00007fff7c806520 RDI: 0000000000000005
[   23.678859][  T354] RBP: 00007fff7c806480 R08: 0000000000000000 R09: 0000000000000000
[   23.678860][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912da6
[   23.678860][  T354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7c806be0
| [   28.271643][  T407] softirqs last disabled at (11760): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   28.271646][  T407] Preemption disabled at:
| [   28.271646][  T407] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.271656][  T407] Tainted: [W]=WARN
[   28.271657][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.271660][  T407] Call Trace:
[   28.271661][  T407]  <TASK>
[   28.271663][  T407]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.271669][  T407]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.271672][  T407]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.271676][  T407]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.271681][  T407]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.271686][  T407]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.271689][  T407]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.271694][  T407]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.271697][  T407]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.271701][  T407]  put_chars (drivers/char/virtio_console.c:1176)
[   28.271704][  T407]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.271705][  T407]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.271710][  T407]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.271715][  T407]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.271722][  T407]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.271724][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.271726][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.271731][  T407]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.271734][  T407]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.271736][  T407]  ? 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))
[   28.271740][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.271742][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.271746][  T407]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.271750][  T407]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.271752][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.271758][  T407]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.271761][  T407]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.271762][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.271765][  T407]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.271769][  T407]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.271770][  T407]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.271774][  T407]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.271778][  T407]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.271780][  T407]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.271781][  T407]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.271784][  T407]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.271786][  T407]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.271789][  T407]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.271790][  T407]  ? __sys_sendmsg (net/socket.c:2799)
[   28.271792][  T407]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.271797][  T407]  _printk (kernel/printk/printk.c:2504)
[   28.271801][  T407]  ? snapshot_read.cold (user.c:?)
[   28.271806][  T407]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.271809][  T407]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.271813][  T407]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.271816][  T407]  ? netdev_notice (net/core/dev.c:13194)
[   28.271820][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.271822][  T407]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   28.271825][  T407]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   28.271826][  T407]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.271829][  T407]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.271833][  T407]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   28.271837][  T407]  dev_set_allmulti (net/core/dev_api.c:315)
[   28.271841][  T407] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   28.271855][  T407]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.271861][  T407] br_del_if (net/bridge/br_if.c:732) bridge
[   28.271869][  T407]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.271872][  T407]  do_set_master (net/core/rtnetlink.c:3055)
[   28.271876][  T407]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.271880][  T407]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.271883][  T407]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.271885][  T407]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.271887][  T407]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.271891][  T407]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.271893][  T407]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.271895][  T407]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.271898][  T407]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.271901][  T407]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.271903][  T407]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.271906][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.271907][  T407]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   28.271909][  T407]  ? ___sys_sendmsg (net/socket.c:2757)
[   28.271913][  T407]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.271915][  T407]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.271918][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.271920][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.271922][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.271923][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.271926][  T407]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.271929][  T407]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   28.271931][  T407]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.271933][  T407]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.271937][  T407]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.271938][  T407]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.271944][  T407]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.271949][  T407]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.271954][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.271956][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.271961][  T407]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.271963][  T407]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.271965][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.271967][  T407]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.271971][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.271973][  T407]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.271976][  T407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.271977][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.271982][  T407]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.271984][  T407]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.271987][  T407]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.271989][  T407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.271992][  T407]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.271998][  T407]  ? 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))
[   28.272000][  T407]  ? 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))
[   28.272004][  T407]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.272008][  T407]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.272011][  T407]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.272015][  T407]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.272019][  T407]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.272023][  T407]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.272029][  T407]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.272031][  T407]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.272033][  T407]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.272035][  T407]  ? move_addr_to_kernel (net/socket.c:258)
[   28.272042][  T407]  ___sys_sendmsg (net/socket.c:2767)
[   28.272045][  T407]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.272061][  T407]  __sys_sendmsg (net/socket.c:2799)
[   28.272064][  T407]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.272071][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.272074][  T407]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.272076][  T407]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.272079][  T407]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.272082][  T407] RIP: 0033:0x7fe85b76554e
[   28.272085][  T407] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.272087][  T407] RSP: 002b:00007ffe2a51cf00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.272090][  T407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe85b76554e
[   28.272091][  T407] RDX: 0000000000000000 RSI: 00007ffe2a51cfb0 RDI: 0000000000000005
[   28.272092][  T407] RBP: 00007ffe2a51cf10 R08: 0000000000000000 R09: 0000000000000000
[   28.272098][  T407] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912daa


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