======================================
| [   10.169148][  T186] softirqs last disabled at (51457): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.169150][  T186] Preemption disabled at:
| [   10.169151][  T186] 0x0
| [   10.169161][  T186] Tainted: [W]=WARN
[   10.169162][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.169164][  T186] Call Trace:
[   10.169166][  T186]  <TASK>
[   10.169168][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.169174][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.169179][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.169183][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.169188][  T186]  __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))
[   10.169191][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.169196][  T186]  ? 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)
[   10.169199][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.169202][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   10.169205][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.169207][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.169212][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.169217][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.169223][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.169225][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.169228][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.169232][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.169236][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.169238][  T186]  ? 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))
[   10.169241][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.169243][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.169248][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.169255][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.169257][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.169263][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.169266][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.169268][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.169270][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.169274][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.169276][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.169279][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.169283][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.169287][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.169291][  T186]  _printk (kernel/printk/printk.c:2504)
[   10.169294][  T186]  ? snapshot_read.cold (user.c:?)
[   10.169302][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.169305][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.169309][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.169312][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.169316][  T186]  ? exit_notify (kernel/exit.c:780)
[   10.169318][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.169321][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.169325][  T186]  do_group_exit (kernel/exit.c:1151)
[   10.169328][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.169330][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.169332][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.169336][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.169339][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.169342][  T186] RIP: 0033:0x7f9fe2b961b8
[   10.169344][  T186] Code: Unable to access opcode bytes at 0x7f9fe2b9618e.

Code starting with the faulting instruction
===========================================
[   10.169345][  T186] RSP: 002b:00007ffcfb71aca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.169348][  T186] RAX: ffffffffffffffda RBX: 00007f9fe2cc6f88 RCX: 00007f9fe2b961b8
[   10.169349][  T186] RDX: 00007f9fe28e0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.169350][  T186] RBP: 00007ffcfb71ad00 R08: 0000000000000000 R09: 0000000000008010
[   10.169351][  T186] R10: 00007ffcfb71aac0 R11: 0000000000000246 R12: 0000000000000001
[   10.169352][  T186] R13: 0000000000000000 R14: 00007f9fe2cc5680 R15: 00007f9fe2cc6fa0
| [   12.187992][  T266] softirqs last disabled at (12146): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.187994][  T266] Preemption disabled at:
| [   12.187995][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.188005][  T266] Tainted: [W]=WARN
[   12.188006][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.188007][  T266] Call Trace:
[   12.188009][  T266]  <TASK>
[   12.188011][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.188016][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.188019][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.188023][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.188028][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.188033][  T266]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.188035][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.188041][  T266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.188043][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.188047][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   12.188049][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.188054][  T266]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.188058][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.188060][  T266]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.188062][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188064][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188068][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.188070][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.188073][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188077][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.188081][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.188085][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.188087][  T266]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.188090][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188092][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.188097][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.188101][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.188103][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188108][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.188111][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.188113][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188115][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.188119][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.188121][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.188124][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.188128][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.188130][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.188132][  T266]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.188139][  T266]  _printk (kernel/printk/printk.c:2504)
[   12.188142][  T266]  ? snapshot_read.cold (user.c:?)
[   12.188146][  T266]  ? br_multicast_flood (??:?) bridge
[   12.188160][  T266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.188161][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.188162][  T266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.188167][  T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.188178][  T266] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.188186][  T266] new_nbp (net/bridge/br_if.c:449) bridge
[   12.188196][  T266] br_add_if (net/bridge/br_if.c:592) bridge
[   12.188203][  T266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.188207][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.188210][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   12.188214][  T266]  do_set_master (net/core/rtnetlink.c:3071)
[   12.188219][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.188222][  T266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.188225][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.188227][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.188229][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.188233][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.188236][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.188237][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.188240][  T266]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.188243][  T266]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.188245][  T266]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.188248][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188249][  T266]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.188256][  T266]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.188261][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.188263][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.188266][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188268][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.188270][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188272][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188274][  T266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.188278][  T266]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.188280][  T266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.188282][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.188285][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.188287][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.188292][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.188297][  T266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.188303][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.188309][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188314][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.188316][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.188318][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.188320][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.188324][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.188326][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.188329][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.188330][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188335][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.188336][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.188340][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.188342][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.188345][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.188351][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.188353][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.188357][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.188361][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.188363][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188368][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.188371][  T266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.188375][  T266]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.188380][  T266]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.188383][  T266]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.188385][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.188387][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   12.188394][  T266]  ___sys_sendmsg (net/socket.c:2767)
[   12.188397][  T266]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.188413][  T266]  __sys_sendmsg (net/socket.c:2799)
[   12.188416][  T266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.188422][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188426][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.188428][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.188431][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.188433][  T266] RIP: 0033:0x7f138056354e
[   12.188437][  T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.188439][  T266] RSP: 002b:00007ffe96fb3c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.188442][  T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f138056354e
[   12.188443][  T266] RDX: 0000000000000000 RSI: 00007ffe96fb3d20 RDI: 0000000000000005
[   12.188444][  T266] RBP: 00007ffe96fb3c80 R08: 0000000000000000 R09: 0000000000000000
[   12.188445][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918264
[   12.188446][  T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe96fb43e0
| [   22.513067][  T350] softirqs last disabled at (20666): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.513069][  T350] Preemption disabled at:
| [   22.513070][  T350] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.513080][  T350] Tainted: [W]=WARN
[   22.513081][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.513083][  T350] Call Trace:
[   22.513084][  T350]  <TASK>
[   22.513086][  T350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.513092][  T350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.513094][  T350]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.513099][  T350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.513103][  T350]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.513108][  T350]  __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))
[   22.513110][  T350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.513116][  T350]  ? 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)
[   22.513119][  T350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.513122][  T350]  put_chars (drivers/char/virtio_console.c:1176)
[   22.513124][  T350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.513126][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.513131][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.513136][  T350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.513142][  T350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.513144][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.513147][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.513151][  T350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.513154][  T350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.513156][  T350]  ? 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))
[   22.513159][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.513162][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.513166][  T350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.513170][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.513172][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.513177][  T350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.513180][  T350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.513182][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.513184][  T350]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.513188][  T350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.513190][  T350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.513193][  T350]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.513197][  T350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.513199][  T350]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.513200][  T350]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.513203][  T350]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.513204][  T350]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.513207][  T350]  ? ___sys_sendmsg (net/socket.c:2767)
[   22.513209][  T350]  ? __sys_sendmsg (net/socket.c:2799)
[   22.513211][  T350]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.513215][  T350]  _printk (kernel/printk/printk.c:2504)
[   22.513219][  T350]  ? snapshot_read.cold (user.c:?)
[   22.513223][  T350]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.513227][  T350]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.513230][  T350]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.513232][  T350]  ? netdev_notice (net/core/dev.c:13194)
[   22.513236][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.513239][  T350]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   22.513242][  T350]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   22.513244][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.513246][  T350]  ? 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)
[   22.513253][  T350]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   22.513259][  T350]  dev_set_allmulti (net/core/dev_api.c:315)
[   22.513263][  T350] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   22.513277][  T350]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.513283][  T350] br_del_if (net/bridge/br_if.c:732) bridge
[   22.513291][  T350]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.513294][  T350]  do_set_master (net/core/rtnetlink.c:3055)
[   22.513299][  T350]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.513302][  T350]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.513305][  T350]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.513306][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.513309][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.513313][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.513315][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.513317][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.513319][  T350]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.513322][  T350]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.513324][  T350]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.513327][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.513328][  T350]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   22.513330][  T350]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.513334][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.513336][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.513338][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.513341][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.513342][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.513350][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.513353][  T350]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.513355][  T350]  ? __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)
[   22.513358][  T350]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.513360][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.513363][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.513365][  T350]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.513370][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.513375][  T350]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.513380][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.513382][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.513386][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.513388][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.513390][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.513392][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.513396][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.513398][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.513401][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.513402][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.513406][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.513408][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.513412][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.513413][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.513416][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.513422][  T350]  ? 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))
[   22.513424][  T350]  ? 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))
[   22.513428][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.513431][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.513434][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.513438][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.513442][  T350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.513445][  T350]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.513451][  T350]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.513453][  T350]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.513455][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.513457][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   22.513464][  T350]  ___sys_sendmsg (net/socket.c:2767)
[   22.513467][  T350]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.513482][  T350]  __sys_sendmsg (net/socket.c:2799)
[   22.513485][  T350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.513491][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.513494][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.513496][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.513499][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.513501][  T350] RIP: 0033:0x7fb24be1454e
[   22.513505][  T350] 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
[   22.513507][  T350] RSP: 002b:00007ffcd2a9d9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.513510][  T350] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb24be1454e
[   22.513511][  T350] RDX: 0000000000000000 RSI: 00007ffcd2a9da70 RDI: 0000000000000005
[   22.513512][  T350] RBP: 00007ffcd2a9d9d0 R08: 0000000000000000 R09: 0000000000000000
[   22.513513][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91826e
[   22.513514][  T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd2a9e130
| [   24.646087][  T353] softirqs last disabled at (11484): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   24.646089][  T353] Preemption disabled at:
| [   24.646090][  T353] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.646100][  T353] Tainted: [W]=WARN
[   24.646101][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.646103][  T353] Call Trace:
[   24.646104][  T353]  <TASK>
[   24.646106][  T353]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.646112][  T353]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.646114][  T353]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.646119][  T353]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.646123][  T353]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.646129][  T353]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.646131][  T353]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.646136][  T353]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.646139][  T353]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.646142][  T353]  put_chars (drivers/char/virtio_console.c:1176)
[   24.646144][  T353]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   24.646147][  T353]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.646149][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.646154][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.646156][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.646160][  T353]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.646163][  T353]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.646165][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.646166][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.646170][  T353]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.646172][  T353]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.646176][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.646178][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.646182][  T353]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.646186][  T353]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.646188][  T353]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.646191][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.646193][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.646197][  T353]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.646201][  T353]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.646203][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.646208][  T353]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.646211][  T353]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.646213][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.646215][  T353]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.646219][  T353]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.646220][  T353]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.646224][  T353]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.646228][  T353]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.646230][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.646235][  T353]  _printk (kernel/printk/printk.c:2504)
[   24.646239][  T353]  ? snapshot_read.cold (user.c:?)
[   24.646243][  T353]  ? br_multicast_flood (??:?) bridge
[   24.646261][  T353]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.646263][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.646264][  T353]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.646268][  T353] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.646279][  T353] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   24.646287][  T353] new_nbp (net/bridge/br_if.c:449) bridge
[   24.646297][  T353] br_add_if (net/bridge/br_if.c:592) bridge
[   24.646304][  T353]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.646308][  T353]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.646311][  T353]  ? __kernel_text_address (kernel/extable.c:79)
[   24.646315][  T353]  do_set_master (net/core/rtnetlink.c:3071)
[   24.646319][  T353]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.646323][  T353]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.646326][  T353]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.646327][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.646329][  T353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.646333][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.646335][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.646337][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.646339][  T353]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.646342][  T353]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.646344][  T353]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.646347][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.646349][  T353]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   24.646357][  T353]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.646362][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.646364][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.646367][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.646369][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.646370][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.646372][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.646375][  T353]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.646378][  T353]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   24.646382][  T353]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.646384][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.646387][  T353]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.646389][  T353]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.646393][  T353]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.646399][  T353]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.646404][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.646406][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.646410][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.646412][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.646414][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.646416][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.646419][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.646421][  T353]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.646424][  T353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.646425][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.646430][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.646432][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.646435][  T353]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.646437][  T353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.646440][  T353]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.646446][  T353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.646447][  T353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.646451][  T353]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.646455][  T353]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.646458][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.646462][  T353]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.646465][  T353]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.646469][  T353]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.646474][  T353]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.646477][  T353]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.646479][  T353]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.646481][  T353]  ? move_addr_to_kernel (net/socket.c:258)
[   24.646488][  T353]  ___sys_sendmsg (net/socket.c:2767)
[   24.646491][  T353]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.646506][  T353]  __sys_sendmsg (net/socket.c:2799)
[   24.646509][  T353]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.646515][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.646519][  T353]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.646521][  T353]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.646524][  T353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.646526][  T353] RIP: 0033:0x7f332aeb554e
[   24.646530][  T353] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.646532][  T353] RSP: 002b:00007fffda81dad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.646535][  T353] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f332aeb554e
[   24.646536][  T353] RDX: 0000000000000000 RSI: 00007fffda81db80 RDI: 0000000000000005
[   24.646537][  T353] RBP: 00007fffda81dae0 R08: 0000000000000000 R09: 0000000000000000
[   24.646538][  T353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918271
[   24.646539][  T353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffda81e240
| [   29.380142][  T406] softirqs last disabled at (16732): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   29.380145][  T406] Preemption disabled at:
| [   29.380145][  T406] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.380155][  T406] Tainted: [W]=WARN
[   29.380156][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.380158][  T406] Call Trace:
[   29.380160][  T406]  <TASK>
[   29.380161][  T406]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.380167][  T406]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.380170][  T406]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.380175][  T406]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.380179][  T406]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.380184][  T406]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.380186][  T406]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.380192][  T406]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.380195][  T406]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.380198][  T406]  put_chars (drivers/char/virtio_console.c:1176)
[   29.380201][  T406]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.380203][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.380208][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.380213][  T406]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.380219][  T406]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.380221][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.380224][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.380228][  T406]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.380232][  T406]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.380234][  T406]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.380237][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.380240][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.380244][  T406]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.380249][  T406]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.380254][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.380260][  T406]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.380264][  T406]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.380265][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.380268][  T406]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.380272][  T406]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.380274][  T406]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.380278][  T406]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.380283][  T406]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.380284][  T406]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.380286][  T406]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.380290][  T406]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.380291][  T406]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.380294][  T406]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.380295][  T406]  ? __sys_sendmsg (net/socket.c:2799)
[   29.380297][  T406]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.380302][  T406]  _printk (kernel/printk/printk.c:2504)
[   29.380306][  T406]  ? snapshot_read.cold (user.c:?)
[   29.380310][  T406]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.380314][  T406]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.380317][  T406]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.380320][  T406]  ? netdev_notice (net/core/dev.c:13194)
[   29.380324][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.380326][  T406]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   29.380329][  T406]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   29.380331][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.380333][  T406]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.380337][  T406]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   29.380341][  T406]  dev_set_allmulti (net/core/dev_api.c:315)
[   29.380345][  T406] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   29.380360][  T406]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.380366][  T406] br_del_if (net/bridge/br_if.c:732) bridge
[   29.380379][  T406]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.380382][  T406]  do_set_master (net/core/rtnetlink.c:3055)
[   29.380386][  T406]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.380390][  T406]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.380393][  T406]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.380394][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.380397][  T406]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.380400][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.380403][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.380405][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.380407][  T406]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.380410][  T406]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.380412][  T406]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.380415][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.380417][  T406]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   29.380419][  T406]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.380422][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.380424][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.380427][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.380429][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.380431][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.380432][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.380435][  T406]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.380438][  T406]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.380440][  T406]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.380442][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.380446][  T406]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.380447][  T406]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.380452][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.380458][  T406]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.380463][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.380465][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.380469][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.380471][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.380473][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.380475][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.380479][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.380481][  T406]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.380484][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.380485][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.380490][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.380492][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.380495][  T406]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.380497][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.380500][  T406]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.380506][  T406]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.380508][  T406]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.380512][  T406]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.380516][  T406]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.380518][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.380522][  T406]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.380526][  T406]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.380530][  T406]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.380535][  T406]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.380538][  T406]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.380540][  T406]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.380542][  T406]  ? move_addr_to_kernel (net/socket.c:258)
[   29.380549][  T406]  ___sys_sendmsg (net/socket.c:2767)
[   29.380552][  T406]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.380568][  T406]  __sys_sendmsg (net/socket.c:2799)
[   29.380571][  T406]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.380577][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.380581][  T406]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.380582][  T406]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.380586][  T406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.380588][  T406] RIP: 0033:0x7f5f556c754e
[   29.380592][  T406] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.380593][  T406] RSP: 002b:00007fff593e9310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.380596][  T406] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f556c754e
[   29.380598][  T406] RDX: 0000000000000000 RSI: 00007fff593e93c0 RDI: 0000000000000005
[   29.380599][  T406] RBP: 00007fff593e9320 R08: 0000000000000000 R09: 0000000000000000
[   29.380600][  T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918275


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