======================================
| [    9.290181][  T187] softirqs last disabled at (43436): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.290183][  T187] Preemption disabled at:
| [    9.290184][  T187] 0x0
| [    9.290195][  T187] Tainted: [W]=WARN
[    9.290195][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.290197][  T187] Call Trace:
[    9.290199][  T187]  <TASK>
[    9.290200][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.290207][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.290211][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.290216][  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)
[    9.290221][  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))
[    9.290223][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.290229][  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)
[    9.290231][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.290235][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.290237][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.290239][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.290243][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.290248][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.290255][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.290257][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.290259][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.290263][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.290267][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.290269][  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))
[    9.290272][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.290274][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.290278][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.290282][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.290284][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.290289][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.290292][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.290294][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.290296][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.290300][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.290302][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.290305][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.290309][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.290313][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.290316][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.290320][  T187]  ? snapshot_read.cold (user.c:?)
[    9.290323][  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)
[    9.290325][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.290329][  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)
[    9.290332][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.290336][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.290338][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.290341][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.290345][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.290348][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.290350][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.290352][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.290355][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.290358][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.290360][  T187] RIP: 0033:0x7fe03ea4b1b8
[    9.290362][  T187] Code: Unable to access opcode bytes at 0x7fe03ea4b18e.

Code starting with the faulting instruction
===========================================
[    9.290363][  T187] RSP: 002b:00007fff4bec7128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.290366][  T187] RAX: ffffffffffffffda RBX: 00007fe03eb7bf88 RCX: 00007fe03ea4b1b8
[    9.290367][  T187] RDX: 00007fe03e795fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.290368][  T187] RBP: 00007fff4bec7180 R08: 0000000000000000 R09: 0000000000008010
[    9.290369][  T187] R10: 00007fff4bec6f40 R11: 0000000000000246 R12: 0000000000000001
[    9.290370][  T187] R13: 0000000000000000 R14: 00007fe03eb7a680 R15: 00007fe03eb7bfa0
| [   10.465588][  T236] softirqs last disabled at (13634): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.465591][  T236] Preemption disabled at:
| [   10.465592][  T236] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.465601][  T236] Tainted: [W]=WARN
[   10.465602][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.465604][  T236] Call Trace:
[   10.465605][  T236]  <TASK>
[   10.465607][  T236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.465613][  T236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.465615][  T236]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.465620][  T236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.465624][  T236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.465629][  T236]  __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))
[   10.465631][  T236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.465637][  T236]  ? 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)
[   10.465640][  T236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.465643][  T236]  put_chars (drivers/char/virtio_console.c:1176)
[   10.465645][  T236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.465650][  T236]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.465653][  T236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.465656][  T236]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.465658][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.465659][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.465663][  T236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.465665][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.465668][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.465674][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.465678][  T236]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.465683][  T236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.465686][  T236]  ? 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))
[   10.465689][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.465691][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.465695][  T236]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.465699][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.465701][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.465706][  T236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.465709][  T236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.465711][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.465714][  T236]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.465717][  T236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.465719][  T236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.465722][  T236]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.465726][  T236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.465728][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.465730][  T236]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.465734][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.465737][  T236]  _printk (kernel/printk/printk.c:2504)
[   10.465741][  T236]  ? snapshot_read.cold (user.c:?)
[   10.465745][  T236]  ? br_multicast_flood (??:?) bridge
[   10.465757][  T236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.465759][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.465760][  T236]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.465764][  T236] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.465774][  T236] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.465782][  T236] new_nbp (net/bridge/br_if.c:449) bridge
[   10.465791][  T236] br_add_if (net/bridge/br_if.c:592) bridge
[   10.465798][  T236]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.465802][  T236]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.465805][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   10.465809][  T236]  do_set_master (net/core/rtnetlink.c:3071)
[   10.465814][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.465817][  T236]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.465820][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.465822][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.465824][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.465828][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.465830][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.465832][  T236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.465834][  T236]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.465838][  T236]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.465839][  T236]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.465842][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.465844][  T236]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   10.465847][  T236]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.465852][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.465854][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.465856][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.465859][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.465860][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.465862][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.465864][  T236]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.465868][  T236]  ? __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)
[   10.465870][  T236]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.465872][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.465876][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.465877][  T236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.465882][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.465887][  T236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.465892][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.465894][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.465899][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.465900][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.465902][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.465904][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.465908][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.465910][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.465913][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.465914][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.465919][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.465920][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.465924][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.465926][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.465928][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.465934][  T236]  ? 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))
[   10.465936][  T236]  ? 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))
[   10.465940][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.465944][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.465946][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.465950][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.465954][  T236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.465958][  T236]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.465963][  T236]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.465965][  T236]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.465968][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.465969][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   10.465976][  T236]  ___sys_sendmsg (net/socket.c:2767)
[   10.465979][  T236]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.465997][  T236]  __sys_sendmsg (net/socket.c:2799)
[   10.466001][  T236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.466011][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.466017][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.466020][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.466023][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.466025][  T236] RIP: 0033:0x7f556b38a54e
[   10.466028][  T236] 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
[   10.466030][  T236] RSP: 002b:00007ffc087a5760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.466033][  T236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f556b38a54e
[   10.466034][  T236] RDX: 0000000000000000 RSI: 00007ffc087a5810 RDI: 0000000000000005
[   10.466035][  T236] RBP: 00007ffc087a5770 R08: 0000000000000000 R09: 0000000000000000
[   10.466036][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e9e
[   10.466037][  T236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc087a5ed0
| [   16.179682][  T274] softirqs last disabled at (16873): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.179685][  T274] Preemption disabled at:
| [   16.179686][  T274] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.179695][  T274] Tainted: [W]=WARN
[   16.179696][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.179698][  T274] Call Trace:
[   16.179699][  T274]  <TASK>
[   16.179701][  T274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.179707][  T274]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.179709][  T274]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.179714][  T274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.179718][  T274]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.179723][  T274]  __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))
[   16.179725][  T274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.179731][  T274]  ? 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)
[   16.179734][  T274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.179737][  T274]  put_chars (drivers/char/virtio_console.c:1176)
[   16.179739][  T274]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.179741][  T274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.179744][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.179747][  T274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.179751][  T274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.179754][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.179756][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.179760][  T274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.179761][  T274]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.179765][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.179768][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.179771][  T274]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.179775][  T274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.179777][  T274]  ? 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))
[   16.179780][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.179782][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.179786][  T274]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.179790][  T274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.179791][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.179796][  T274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.179799][  T274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.179801][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.179803][  T274]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.179806][  T274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.179808][  T274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.179811][  T274]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.179815][  T274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.179820][  T274]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   16.179823][  T274]  _printk (kernel/printk/printk.c:2504)
[   16.179827][  T274]  ? snapshot_read.cold (user.c:?)
[   16.179833][  T274]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   16.179836][  T274] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.179838][  T274]  do_one_initcall (init/main.c:1357)
[   16.179841][  T274]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.179845][  T274]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.179848][  T274]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.179853][  T274]  do_init_module (kernel/module/main.c:3117)
[   16.179857][  T274]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.179861][  T274]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.179864][  T274]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.179868][  T274]  load_module (kernel/module/main.c:3593)
[   16.179875][  T274]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.179878][  T274]  ? __ia32_sys_fsconfig (??:?)
[   16.179881][  T274]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   16.179885][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.179887][  T274]  ? backing_file_read_iter (fs/backing-file.c:211)
[   16.179890][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.179894][  T274]  init_module_from_file (kernel/module/main.c:3790)
[   16.179897][  T274]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.179904][  T274]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.179908][  T274]  ? 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)
[   16.179911][  T274]  idempotent_init_module (kernel/module/main.c:3802)
[   16.179914][  T274]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.179920][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.179922][  T274]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.179929][  T274]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.179931][  T274]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.179934][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.179936][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.179939][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.179941][  T274] RIP: 0033:0x7f821ffdb37d
[   16.179944][  T274] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.179946][  T274] RSP: 002b:00007ffcda4f7708 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.179948][  T274] RAX: ffffffffffffffda RBX: 00005601987ae810 RCX: 00007f821ffdb37d
[   16.179950][  T274] RDX: 0000000000000000 RSI: 0000560195a38ffd RDI: 0000000000000000
[   16.179951][  T274] RBP: 00007ffcda4f77a0 R08: 0000000000000000 R09: 0000000000000000
[   16.179951][  T274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560195a38ffd
[   16.179952][  T274] R13: 00005601987ae960 R14: 0000000000040000 R15: 0000000000000000
| [   21.057122][  T607] softirqs last disabled at (14336): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   21.057129][  T607] Preemption disabled at:
| [   21.057129][  T607] 0x0
| [   21.057140][  T607] Tainted: [W]=WARN
[   21.057141][  T607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.057142][  T607] Call Trace:
[   21.057144][  T607]  <TASK>
[   21.057146][  T607]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.057152][  T607]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.057156][  T607]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.057161][  T607]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.057166][  T607]  __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))
[   21.057168][  T607]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.057174][  T607]  ? 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)
[   21.057176][  T607]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.057179][  T607]  put_chars (drivers/char/virtio_console.c:1176)
[   21.057181][  T607]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   21.057184][  T607]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.057187][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.057190][  T607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.057194][  T607]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.057197][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057198][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057203][  T607]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.057204][  T607]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.057207][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057210][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.057214][  T607]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.057218][  T607]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.057220][  T607]  ? 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))
[   21.057223][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057226][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.057230][  T607]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.057234][  T607]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.057236][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057241][  T607]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.057244][  T607]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.057245][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057248][  T607]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.057251][  T607]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.057253][  T607]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.057256][  T607]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.057260][  T607]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.057263][  T607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.057266][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.057269][  T607]  _printk (kernel/printk/printk.c:2504)
[   21.057273][  T607]  ? snapshot_read.cold (user.c:?)
[   21.057281][  T607] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.057291][  T607] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   21.057300][  T607] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   21.057308][  T607] br_dev_stop (net/bridge/br_device.c:193) bridge
[   21.057317][  T607]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.057319][  T607]  __dev_close_many (net/core/dev.c:1798)
[   21.057323][  T607]  ? netif_open (net/core/dev.c:1755)
[   21.057325][  T607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.057328][  T607]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.057332][  T607]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   21.057335][  T607]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   21.057338][  T607]  ? __kernel_text_address (kernel/extable.c:79)
[   21.057340][  T607]  ? write_profile (profile.c:?)
[   21.057343][  T607]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.057348][  T607]  netif_change_flags (net/core/dev.c:9877)
[   21.057352][  T607]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.057355][  T607]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.057357][  T607]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.057358][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.057360][  T607]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.057364][  T607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.057366][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.057368][  T607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.057371][  T607]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.057374][  T607]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.057375][  T607]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.057378][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057380][  T607]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   21.057383][  T607]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.057387][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.057389][  T607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.057392][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057394][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.057396][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057397][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057400][  T607]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.057403][  T607]  ? __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)
[   21.057406][  T607]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.057408][  T607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.057412][  T607]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.057417][  T607]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.057422][  T607]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.057427][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.057429][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057434][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.057436][  T607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.057438][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.057439][  T607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.057443][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.057445][  T607]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.057448][  T607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.057450][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057454][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.057456][  T607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.057459][  T607]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.057461][  T607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.057464][  T607]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.057470][  T607]  ? 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))
[   21.057471][  T607]  ? 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))
[   21.057476][  T607]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.057479][  T607]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.057482][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057486][  T607]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.057490][  T607]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.057494][  T607]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.057499][  T607]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.057502][  T607]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.057504][  T607]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.057506][  T607]  ? move_addr_to_kernel (net/socket.c:258)
[   21.057513][  T607]  ___sys_sendmsg (net/socket.c:2767)
[   21.057516][  T607]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.057532][  T607]  __sys_sendmsg (net/socket.c:2799)
[   21.057535][  T607]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.057541][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057544][  T607]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.057547][  T607]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.057550][  T607]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.057552][  T607] RIP: 0033:0x7f77263f254e
[   21.057554][  T607] 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
[   21.057556][  T607] RSP: 002b:00007ffe724f8550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.057559][  T607] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f77263f254e
[   21.057560][  T607] RDX: 0000000000000000 RSI: 00007ffe724f8600 RDI: 0000000000000005
[   21.057561][  T607] RBP: 00007ffe724f8560 R08: 0000000000000000 R09: 0000000000000000
[   21.057562][  T607] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ea9


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