======================================
| [   10.019454][  T187] softirqs last disabled at (34266): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.019457][  T187] Preemption disabled at:
| [   10.019457][  T187] 0x0
| [   10.019468][  T187] Tainted: [W]=WARN
[   10.019468][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.019470][  T187] Call Trace:
[   10.019472][  T187]  <TASK>
[   10.019473][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.019479][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.019484][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.019488][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.019493][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.019495][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.019501][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.019504][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.019507][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.019509][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.019511][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.019516][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.019521][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.019527][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.019529][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.019532][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.019536][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.019540][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.019541][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.019545][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.019547][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.019551][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.019555][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.019557][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.019562][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.019565][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.019567][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.019570][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.019573][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.019575][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.019578][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.019582][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.019586][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.019589][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.019593][  T187]  ? snapshot_read.cold (user.c:?)
[   10.019596][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.019598][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.019602][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.019605][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.019609][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.019611][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.019613][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.019618][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.019620][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.019622][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.019625][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.019628][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.019631][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.019633][  T187] RIP: 0033:0x7f5f5b0dd1b8
[   10.019635][  T187] Code: Unable to access opcode bytes at 0x7f5f5b0dd18e.

Code starting with the faulting instruction
===========================================
[   10.019637][  T187] RSP: 002b:00007ffd90ff17d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.019639][  T187] RAX: ffffffffffffffda RBX: 00007f5f5b20df88 RCX: 00007f5f5b0dd1b8
[   10.019640][  T187] RDX: 00007f5f5ae27fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.019641][  T187] RBP: 00007ffd90ff1830 R08: 0000000000000000 R09: 0000000000008010
[   10.019642][  T187] R10: 00007ffd90ff15f0 R11: 0000000000000246 R12: 0000000000000001
[   10.019643][  T187] R13: 0000000000000000 R14: 00007f5f5b20c680 R15: 00007f5f5b20dfa0
| [   11.516634][  T246] softirqs last disabled at (12916): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.516636][  T246] Preemption disabled at:
| [   11.516637][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.516646][  T246] Tainted: [W]=WARN
[   11.516647][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.516649][  T246] Call Trace:
[   11.516651][  T246]  <TASK>
[   11.516653][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.516658][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.516661][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.516665][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.516669][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.516674][  T246]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.516677][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.516682][  T246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.516685][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.516688][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   11.516691][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.516695][  T246]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.516698][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.516701][  T246]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.516703][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.516705][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.516708][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.516710][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.516713][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.516718][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.516721][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.516725][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.516727][  T246]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.516730][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.516732][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.516736][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.516740][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.516742][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.516747][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.516750][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.516752][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.516754][  T246]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.516758][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.516759][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.516763][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.516766][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.516769][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.516770][  T246]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.516775][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.516778][  T246]  _printk (kernel/printk/printk.c:2504)
[   11.516782][  T246]  ? snapshot_read.cold (user.c:?)
[   11.516786][  T246]  ? br_multicast_flood (??:?) bridge
[   11.516799][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.516800][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.516801][  T246]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.516806][  T246] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.516823][  T246] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.516832][  T246] new_nbp (net/bridge/br_if.c:449) bridge
[   11.516840][  T246] br_add_if (net/bridge/br_if.c:592) bridge
[   11.516847][  T246]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.516851][  T246]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.516854][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   11.516858][  T246]  do_set_master (net/core/rtnetlink.c:3071)
[   11.516862][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.516865][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.516868][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.516870][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.516872][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.516876][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.516878][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.516880][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.516883][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.516886][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.516887][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.516890][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.516892][  T246]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.516895][  T246]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.516899][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.516901][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.516904][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.516906][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.516907][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.516909][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.516912][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.516915][  T246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.516917][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.516919][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.516922][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.516924][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.516929][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.516934][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.516939][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.516941][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.516945][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.516947][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.516949][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.516950][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.516954][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.516956][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.516959][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.516960][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.516964][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.516966][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.516969][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.516971][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.516974][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.516980][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.516981][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.516985][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.516989][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.516991][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.516995][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.516999][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.517003][  T246]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.517008][  T246]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.517010][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.517012][  T246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.517014][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   11.517021][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   11.517023][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.517038][  T246]  __sys_sendmsg (net/socket.c:2799)
[   11.517041][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.517047][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.517050][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.517053][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.517056][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.517058][  T246] RIP: 0033:0x7fbbf759754e
[   11.517062][  T246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.517063][  T246] RSP: 002b:00007ffe38021a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.517066][  T246] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbbf759754e
[   11.517067][  T246] RDX: 0000000000000000 RSI: 00007ffe38021ad0 RDI: 0000000000000005
[   11.517068][  T246] RBP: 00007ffe38021a30 R08: 0000000000000000 R09: 0000000000000000
[   11.517069][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b50c
[   11.517070][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe38022190
| [   19.347312][  T305] softirqs last disabled at (19320): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   19.347315][  T305] Preemption disabled at:
| [   19.347316][  T305] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.347327][  T305] Tainted: [W]=WARN
[   19.347328][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.347331][  T305] Call Trace:
[   19.347332][  T305]  <TASK>
[   19.347334][  T305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.347341][  T305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.347344][  T305]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.347349][  T305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.347355][  T305]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.347363][  T305]  __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))
[   19.347367][  T305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.347374][  T305]  ? 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)
[   19.347377][  T305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.347381][  T305]  put_chars (drivers/char/virtio_console.c:1176)
[   19.347385][  T305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.347387][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.347393][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.347401][  T305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.347410][  T305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.347413][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.347416][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.347423][  T305]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.347428][  T305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.347431][  T305]  ? 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))
[   19.347435][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.347439][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.347445][  T305]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.347451][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.347453][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.347461][  T305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.347465][  T305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.347468][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.347471][  T305]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.347477][  T305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.347479][  T305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.347484][  T305]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.347489][  T305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.347492][  T305]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.347494][  T305]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.347498][  T305]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.347500][  T305]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.347503][  T305]  ? ___sys_sendmsg (net/socket.c:2767)
[   19.347505][  T305]  ? __sys_sendmsg (net/socket.c:2799)
[   19.347508][  T305]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.347515][  T305]  _printk (kernel/printk/printk.c:2504)
[   19.347519][  T305]  ? snapshot_read.cold (user.c:?)
[   19.347526][  T305]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.347531][  T305]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.347537][  T305]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.347540][  T305]  ? netdev_notice (net/core/dev.c:13194)
[   19.347546][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.347549][  T305]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   19.347554][  T305]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   19.347556][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.347559][  T305]  ? 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)
[   19.347564][  T305]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   19.347571][  T305]  dev_set_allmulti (net/core/dev_api.c:315)
[   19.347576][  T305] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   19.347595][  T305]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   19.347603][  T305] br_del_if (net/bridge/br_if.c:732) bridge
[   19.347616][  T305]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.347620][  T305]  do_set_master (net/core/rtnetlink.c:3055)
[   19.347626][  T305]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   19.347632][  T305]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.347636][  T305]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.347638][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.347641][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.347646][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.347649][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.347652][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.347656][  T305]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.347660][  T305]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.347662][  T305]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.347666][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.347668][  T305]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   19.347671][  T305]  ? ___sys_sendmsg (net/socket.c:2757)
[   19.347677][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.347680][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.347685][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.347688][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.347691][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.347693][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.347697][  T305]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.347701][  T305]  ? __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)
[   19.347705][  T305]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.347708][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.347714][  T305]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.347717][  T305]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.347726][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.347735][  T305]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.347745][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.347748][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.347756][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.347759][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.347762][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.347765][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.347772][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.347775][  T305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.347780][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.347782][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.347790][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.347793][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.347799][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.347802][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.347807][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.347818][  T305]  ? 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))
[   19.347821][  T305]  ? 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))
[   19.347829][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.347835][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.347839][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.347852][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.347859][  T305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.347865][  T305]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.347873][  T305]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.347876][  T305]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.347879][  T305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.347881][  T305]  ? move_addr_to_kernel (net/socket.c:258)
[   19.347893][  T305]  ___sys_sendmsg (net/socket.c:2767)
[   19.347898][  T305]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.347924][  T305]  __sys_sendmsg (net/socket.c:2799)
[   19.347928][  T305]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.347938][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.347943][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.347946][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.347951][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.347954][  T305] RIP: 0033:0x7fb27756f54e
[   19.347959][  T305] 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
[   19.347961][  T305] RSP: 002b:00007fff018bdee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.347965][  T305] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb27756f54e
[   19.347967][  T305] RDX: 0000000000000000 RSI: 00007fff018bdf90 RDI: 0000000000000005
[   19.347969][  T305] RBP: 00007fff018bdef0 R08: 0000000000000000 R09: 0000000000000000
[   19.347970][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b514
[   19.347971][  T305] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff018be650
| [   21.472646][  T307] softirqs last disabled at (12160): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.472649][  T307] Preemption disabled at:
| [   21.472649][  T307] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.472659][  T307] Tainted: [W]=WARN
[   21.472660][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.472662][  T307] Call Trace:
[   21.472664][  T307]  <TASK>
[   21.472665][  T307]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.472671][  T307]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.472673][  T307]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.472678][  T307]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.472682][  T307]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.472688][  T307]  __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))
[   21.472690][  T307]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.472696][  T307]  ? 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)
[   21.472698][  T307]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.472702][  T307]  put_chars (drivers/char/virtio_console.c:1176)
[   21.472704][  T307]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   21.472706][  T307]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.472709][  T307]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.472713][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.472716][  T307]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.472719][  T307]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.472722][  T307]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.472724][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.472726][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.472730][  T307]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.472732][  T307]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.472735][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.472737][  T307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.472742][  T307]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.472746][  T307]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.472747][  T307]  ? 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))
[   21.472751][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.472753][  T307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.472757][  T307]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.472761][  T307]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.472763][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.472769][  T307]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.472771][  T307]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.472773][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.472776][  T307]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.472779][  T307]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.472781][  T307]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.472785][  T307]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.472789][  T307]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.472791][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.472794][  T307]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.472798][  T307]  _printk (kernel/printk/printk.c:2504)
[   21.472802][  T307]  ? snapshot_read.cold (user.c:?)
[   21.472807][  T307]  ? br_multicast_flood (??:?) bridge
[   21.472821][  T307]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.472822][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.472823][  T307]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.472828][  T307] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.472838][  T307] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   21.472847][  T307] new_nbp (net/bridge/br_if.c:449) bridge
[   21.472862][  T307] br_add_if (net/bridge/br_if.c:592) bridge
[   21.472869][  T307]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.472873][  T307]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.472876][  T307]  ? __kernel_text_address (kernel/extable.c:79)
[   21.472880][  T307]  do_set_master (net/core/rtnetlink.c:3071)
[   21.472885][  T307]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.472888][  T307]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.472891][  T307]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.472892][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.472894][  T307]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.472898][  T307]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.472901][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.472902][  T307]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.472905][  T307]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.472908][  T307]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.472910][  T307]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.472913][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.472914][  T307]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   21.472918][  T307]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.472922][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.472924][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.472927][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.472929][  T307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.472931][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.472933][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.472935][  T307]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.472939][  T307]  ? __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)
[   21.472942][  T307]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.472944][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.472948][  T307]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.472950][  T307]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.472955][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.472960][  T307]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.472965][  T307]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.472967][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.472972][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.472974][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.472976][  T307]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.472978][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.472981][  T307]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.472984][  T307]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.472987][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.472988][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.472992][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.472994][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.472998][  T307]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.473000][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.473003][  T307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.473009][  T307]  ? 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))
[   21.473010][  T307]  ? 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))
[   21.473015][  T307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.473018][  T307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.473021][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.473025][  T307]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.473029][  T307]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.473033][  T307]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.473038][  T307]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.473041][  T307]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.473043][  T307]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.473045][  T307]  ? move_addr_to_kernel (net/socket.c:258)
[   21.473052][  T307]  ___sys_sendmsg (net/socket.c:2767)
[   21.473055][  T307]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.473071][  T307]  __sys_sendmsg (net/socket.c:2799)
[   21.473074][  T307]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.473080][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.473084][  T307]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.473086][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.473090][  T307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.473092][  T307] RIP: 0033:0x7f00e23aa54e
[   21.473096][  T307] 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
[   21.473098][  T307] RSP: 002b:00007ffcd93aa9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.473101][  T307] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f00e23aa54e
[   21.473102][  T307] RDX: 0000000000000000 RSI: 00007ffcd93aaa90 RDI: 0000000000000005
[   21.473103][  T307] RBP: 00007ffcd93aa9f0 R08: 0000000000000000 R09: 0000000000000000
[   21.473104][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b516
[   21.473105][  T307] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd93ab150
| [   36.724477][    C0] softirqs last disabled at (781737): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   36.724479][    C0] Preemption disabled at:
| [   36.724480][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   36.724489][    C0] Tainted: [W]=WARN
[   36.724490][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.724492][    C0] Call Trace:
[   36.724494][    C0]  <IRQ>
[   36.724495][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.724501][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   36.724502][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.724506][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.724509][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   36.724512][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724516][    C0]  __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))
[   36.724520][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.724523][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.724526][    C0]  ? 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)
[   36.724528][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.724530][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   36.724532][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.724533][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   36.724537][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.724540][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.724541][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724543][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.724545][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.724548][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.724550][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724552][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724553][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.724555][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   36.724557][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.724559][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.724562][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.724563][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.724565][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.724567][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724568][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.724570][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.724572][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.724573][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.724575][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.724578][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.724580][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724581][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.724583][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   36.724588][    C0]  _printk (kernel/printk/printk.c:2504)
[   36.724591][    C0]  ? snapshot_read.cold (user.c:?)
[   36.724593][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   36.724597][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.724599][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   36.724601][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   36.724603][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   36.724606][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   36.724608][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   36.724610][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   36.724612][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.724614][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.724626][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724628][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.724630][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.724636][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   36.724638][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.724644][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.724650][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.724656][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   36.724660][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   36.724661][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   36.724665][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.724666][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.724668][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724670][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   36.724672][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.724679][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   36.724680][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.724683][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.724685][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   36.724687][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   36.724689][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.724691][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724693][    C0]  handle_softirqs (kernel/softirq.c:645)
[   36.724695][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.724696][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   36.724699][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   36.724700][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   36.724701][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   36.724704][    C0]  </IRQ>
[   36.724705][    C0]  <TASK>
[   36.724705][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   36.724707][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   36.724709][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   36.724712][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   36.724714][    C0] RSP: 0018:ffffffff8c407cf8 EFLAGS: 00000296
[   36.724717][    C0] RAX: 00000000000beda7 RBX: ffffffff8c41c600 RCX: ffffffff894f0307
[   36.724719][    C0] RDX: ffffffff8c41c600 RSI: ffffffff8c238af6 RDI: ffffffff8bc8d8e0
[   36.724720][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   36.724721][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1880fa2
[   36.724721][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   36.724723][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.724726][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   36.724727][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   36.724729][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   36.724731][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.724732][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   36.724734][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   36.724736][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.724737][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.724739][    C0]  do_idle (kernel/sched/idle.c:355)
[   36.724741][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   36.724742][    C0]  rest_init (init/main.c:727)
[   36.724744][    C0]  ? __cpuidle_text_end (??:?)
[   36.724747][    C0]  ? rest_init (init/main.c:727)
[   36.724749][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   36.724752][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   36.724755][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   36.724757][    C0]  start_kernel (init/main.c:1185)
[   36.724759][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   36.724761][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   36.724763][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   36.791616][    C0]
| [   36.791693][    C0]
| [   36.791693][    C0] stack backtrace:
| [   36.791951][    C0] Tainted: [W]=WARN
[   36.791952][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.791954][    C0] Call Trace:
[   36.791955][    C0]  <IRQ>
[   36.791956][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.791961][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   36.791964][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   36.791967][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   36.791969][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   36.791970][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   36.791973][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.791974][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.791981][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.791985][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.791987][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.791993][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   36.791994][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.792001][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.792007][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.792013][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   36.792015][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   36.792017][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   36.792021][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.792023][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.792024][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.792027][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   36.792028][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.792035][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   36.792037][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.792040][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.792042][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   36.792045][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   36.792046][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.792049][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.792051][    C0]  handle_softirqs (kernel/softirq.c:645)
[   36.792053][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.792054][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   36.792056][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   36.792058][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   36.792059][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   36.792061][    C0]  </IRQ>
[   36.792062][    C0]  <TASK>
[   36.792062][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   36.792064][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   36.792066][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   36.792068][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   36.792070][    C0] RSP: 0018:ffffffff8c407cf8 EFLAGS: 00000296
[   36.792072][    C0] RAX: 00000000000beda7 RBX: ffffffff8c41c600 RCX: ffffffff894f0307
[   36.792074][    C0] RDX: ffffffff8c41c600 RSI: ffffffff8c238af6 RDI: ffffffff8bc8d8e0
[   36.792075][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   36.792075][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1880fa2
[   36.792076][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   36.792078][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.792080][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   36.792081][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   36.792083][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   36.792085][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.792086][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   36.792088][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   36.792090][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.792091][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.792094][    C0]  do_idle (kernel/sched/idle.c:355)
[   36.792095][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   36.792096][    C0]  rest_init (init/main.c:727)
[   36.792098][    C0]  ? __cpuidle_text_end (??:?)
[   36.792101][    C0]  ? rest_init (init/main.c:727)
[   36.792103][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   36.792107][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   36.792109][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   36.792112][    C0]  start_kernel (init/main.c:1185)
[   36.792113][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   36.792115][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   36.792117][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   40.255207][  T414] softirqs last disabled at (0): 0x0
| [   40.255209][  T414] Preemption disabled at:
| [   40.255210][  T414] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.255221][  T414] Tainted: [W]=WARN
[   40.255222][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.255223][  T414] Call Trace:
[   40.255225][  T414]  <TASK>
[   40.255226][  T414]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.255231][  T414]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.255233][  T414]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.255237][  T414]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.255240][  T414]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   40.255243][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255247][  T414]  __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))
[   40.255250][  T414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   40.255252][  T414]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.255256][  T414]  ? 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)
[   40.255258][  T414]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.255260][  T414]  put_chars (drivers/char/virtio_console.c:1176)
[   40.255262][  T414]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.255264][  T414]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   40.255266][  T414]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.255270][  T414]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.255271][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255273][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.255275][  T414]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.255277][  T414]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.255279][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255281][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255283][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255284][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.255286][  T414]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   40.255288][  T414]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.255290][  T414]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.255293][  T414]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.255294][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.255296][  T414]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.255298][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255299][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.255301][  T414]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.255302][  T414]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   40.255304][  T414]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.255306][  T414]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.255308][  T414]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.255310][  T414]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.255312][  T414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.255315][  T414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.255318][  T414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.255319][  T414]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.255322][  T414]  ? ___sys_sendmsg (net/socket.c:2767)
[   40.255323][  T414]  ? __sys_sendmsg (net/socket.c:2799)
[   40.255325][  T414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.255328][  T414]  _printk (kernel/printk/printk.c:2504)
[   40.255331][  T414]  ? snapshot_read.cold (user.c:?)
[   40.255334][  T414]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.255336][  T414]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.255338][  T414]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.255340][  T414]  ? netdev_notice (net/core/dev.c:13194)
[   40.255341][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255343][  T414]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   40.255345][  T414]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   40.255348][  T414]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   40.255349][  T414]  ? 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)
[   40.255352][  T414]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   40.255355][  T414]  dev_set_allmulti (net/core/dev_api.c:315)
[   40.255357][  T414] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   40.255373][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.255377][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.255379][  T414] br_del_if (net/bridge/br_if.c:732) bridge
[   40.255387][  T414]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.255389][  T414]  do_set_master (net/core/rtnetlink.c:3055)
[   40.255391][  T414]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   40.255393][  T414]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.255396][  T414]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.255397][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255399][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.255403][  T414]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.255405][  T414]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.255406][  T414]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.255408][  T414]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   40.255410][  T414]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   40.255411][  T414]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   40.255412][  T414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.255413][  T414]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.255414][  T414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.255416][  T414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.255417][  T414]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.255418][  T414]  ? ___sys_sendmsg (net/socket.c:2767)
[   40.255420][  T414]  ? __sys_sendmsg (net/socket.c:2799)
[   40.255421][  T414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.255422][  T414]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.255425][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255427][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.255428][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255430][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255431][  T414]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.255433][  T414]  ? __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)
[   40.255436][  T414]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.255437][  T414]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.255439][  T414]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.255440][  T414]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.255442][  T414]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.255444][  T414]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.255446][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255448][  T414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.255449][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.255451][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255453][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   40.255454][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.255456][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.255457][  T414]  ? __kernel_text_address (kernel/extable.c:79)
[   40.255459][  T414]  ? write_profile (profile.c:?)
[   40.255460][  T414]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.255462][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255464][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255466][  T414]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   40.255469][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.255471][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255473][  T414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.255474][  T414]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.255475][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.255477][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.255478][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.255481][  T414]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.255482][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.255483][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.255485][  T414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.255486][  T414]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   40.255489][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255490][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.255492][  T414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.255494][  T414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.255496][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255498][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255499][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.255501][  T414]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.255503][  T414]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.255505][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255507][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.255509][  T414]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.255510][  T414]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.255512][  T414]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.255513][  T414]  ? move_addr_to_kernel (net/socket.c:258)
[   40.255515][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.255517][  T414]  ___sys_sendmsg (net/socket.c:2767)
[   40.255519][  T414]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.255524][  T414]  __sys_sendmsg (net/socket.c:2799)
[   40.255526][  T414]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.255528][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.255531][  T414]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.255532][  T414]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.255534][  T414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.255536][  T414] RIP: 0033:0x7f741ca2e54e
[   40.255537][  T414] 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
[   40.255539][  T414] RSP: 002b:00007ffe66c46380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.255543][  T414] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f741ca2e54e
[   40.255544][  T414] RDX: 0000000000000000 RSI: 00007ffe66c46430 RDI: 0000000000000005
[   40.255545][  T414] RBP: 00007ffe66c46390 R08: 0000000000000000 R09: 0000000000000000
[   40.255546][  T414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b529
[   40.255547][  T414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe66c46af0
| [   42.327926][  T417] softirqs last disabled at (0): 0x0
| [   42.327928][  T417] Preemption disabled at:
| [   42.327929][  T417] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.327940][  T417] Tainted: [W]=WARN
[   42.327941][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.327943][  T417] Call Trace:
[   42.327945][  T417]  <TASK>
[   42.327946][  T417]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.327951][  T417]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.327953][  T417]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.327957][  T417]  ? __module_address (kernel/module/main.c:3915)
[   42.327960][  T417]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.327963][  T417]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   42.327965][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.327968][  T417]  __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))
[   42.327972][  T417]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.327974][  T417]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.327978][  T417]  ? 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)
[   42.327980][  T417]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.327981][  T417]  put_chars (drivers/char/virtio_console.c:1176)
[   42.327983][  T417]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   42.327985][  T417]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.327986][  T417]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   42.327989][  T417]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.327992][  T417]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.327993][  T417]  ? 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)
[   42.327995][  T417]  ? vsnprintf (lib/vsprintf.c:2900)
[   42.327998][  T417]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.328000][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328002][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.328004][  T417]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.328006][  T417]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.328008][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328010][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328011][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328013][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.328015][  T417]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   42.328016][  T417]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.328019][  T417]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.328021][  T417]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.328023][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.328024][  T417]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.328026][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328028][  T417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.328029][  T417]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.328031][  T417]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   42.328033][  T417]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.328034][  T417]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.328036][  T417]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.328039][  T417]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.328041][  T417]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.328043][  T417]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.328044][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.328046][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328048][  T417]  _printk (kernel/printk/printk.c:2504)
[   42.328051][  T417]  ? snapshot_read.cold (user.c:?)
[   42.328053][  T417]  ? br_multicast_flood (??:?) bridge
[   42.328066][  T417]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   42.328068][  T417]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.328069][  T417]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.328071][  T417] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   42.328080][  T417] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   42.328088][  T417] new_nbp (net/bridge/br_if.c:449) bridge
[   42.328095][  T417] br_add_if (net/bridge/br_if.c:592) bridge
[   42.328101][  T417]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   42.328105][  T417]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   42.328107][  T417]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.328109][  T417]  ? __kernel_text_address (kernel/extable.c:79)
[   42.328111][  T417]  do_set_master (net/core/rtnetlink.c:3071)
[   42.328113][  T417]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   42.328115][  T417]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.328117][  T417]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.328118][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328119][  T417]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.328123][  T417]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.328126][  T417]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.328127][  T417]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.328129][  T417]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.328130][  T417]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   42.328132][  T417]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   42.328133][  T417]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.328134][  T417]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.328136][  T417]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.328138][  T417]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.328139][  T417]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.328141][  T417]  ? ___sys_sendmsg (net/socket.c:2767)
[   42.328143][  T417]  ? __sys_sendmsg (net/socket.c:2799)
[   42.328144][  T417]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.328146][  T417]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.328149][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328150][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.328152][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328153][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328155][  T417]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.328158][  T417]  ? __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)
[   42.328160][  T417]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.328162][  T417]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.328163][  T417]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.328164][  T417]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.328167][  T417]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.328169][  T417]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.328171][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328172][  T417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.328173][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.328175][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328177][  T417]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   42.328178][  T417]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   42.328180][  T417]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.328181][  T417]  ? __kernel_text_address (kernel/extable.c:79)
[   42.328183][  T417]  ? write_profile (profile.c:?)
[   42.328184][  T417]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.328186][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328188][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328189][  T417]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   42.328193][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.328194][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328196][  T417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.328197][  T417]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.328199][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.328200][  T417]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.328202][  T417]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.328204][  T417]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.328205][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.328207][  T417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.328208][  T417]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.328209][  T417]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   42.328212][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328214][  T417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.328216][  T417]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.328218][  T417]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.328219][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328221][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328223][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.328224][  T417]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.328226][  T417]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.328228][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328230][  T417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.328232][  T417]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.328233][  T417]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.328235][  T417]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.328236][  T417]  ? move_addr_to_kernel (net/socket.c:258)
[   42.328238][  T417]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.328240][  T417]  ___sys_sendmsg (net/socket.c:2767)
[   42.328242][  T417]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.328247][  T417]  __sys_sendmsg (net/socket.c:2799)
[   42.328248][  T417]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.328251][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.328253][  T417]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.328254][  T417]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.328257][  T417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.328258][  T417] RIP: 0033:0x7f3202c4d54e
[   42.328260][  T417] 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
[   42.328262][  T417] RSP: 002b:00007ffeda3d9510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.328266][  T417] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3202c4d54e
[   42.328268][  T417] RDX: 0000000000000000 RSI: 00007ffeda3d95c0 RDI: 0000000000000005
[   42.328269][  T417] RBP: 00007ffeda3d9520 R08: 0000000000000000 R09: 0000000000000000
[   42.328269][  T417] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b52b
[   42.328270][  T417] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeda3d9c80
| [   44.593560][  T458] softirqs last disabled at (0): 0x0
| [   44.593562][  T458] Preemption disabled at:
| [   44.593563][  T458] 0x0
| [   44.593575][  T458] Tainted: [W]=WARN
[   44.593576][  T458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.593578][  T458] Call Trace:
[   44.593580][  T458]  <TASK>
[   44.593582][  T458]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.593589][  T458]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.593594][  T458]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.593598][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593603][  T458]  __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))
[   44.593607][  T458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.593611][  T458]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.593616][  T458]  ? 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)
[   44.593618][  T458]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.593622][  T458]  put_chars (drivers/char/virtio_console.c:1176)
[   44.593625][  T458]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.593627][  T458]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   44.593632][  T458]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.593637][  T458]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.593640][  T458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.593642][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593645][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.593648][  T458]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.593652][  T458]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.593655][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593657][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593659][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593661][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.593664][  T458]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   44.593666][  T458]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.593670][  T458]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.593674][  T458]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.593676][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.593678][  T458]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.593680][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593683][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.593685][  T458]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.593687][  T458]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   44.593690][  T458]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.593692][  T458]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.593695][  T458]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.593699][  T458]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.593701][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593704][  T458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.593707][  T458]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   44.593709][  T458]  _printk (kernel/printk/printk.c:2504)
[   44.593714][  T458]  ? snapshot_read.cold (user.c:?)
[   44.593717][  T458]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   44.593723][  T458] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   44.593741][  T458] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   44.593755][  T458] br_device_event (net/bridge/br.c:111) bridge
[   44.593769][  T458]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   44.593773][  T458]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   44.593776][  T458]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   44.593781][  T458]  notifier_call_chain (kernel/notifier.c:85)
[   44.593785][  T458]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   44.593790][  T458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.593792][  T458]  ? netif_change_name (net/core/dev.c:1517)
[   44.593795][  T458]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   44.593798][  T458]  ? __kernel_text_address (kernel/extable.c:79)
[   44.593800][  T458]  ? write_profile (profile.c:?)
[   44.593803][  T458]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.593808][  T458]  netif_change_flags (net/core/dev.c:9882)
[   44.593812][  T458]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   44.593816][  T458]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.593818][  T458]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.593820][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593822][  T458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.593827][  T458]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.593830][  T458]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.593832][  T458]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.593834][  T458]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.593836][  T458]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.593838][  T458]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   44.593840][  T458]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.593842][  T458]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.593845][  T458]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.593847][  T458]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.593849][  T458]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.593852][  T458]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.593854][  T458]  ? __sys_sendmsg (net/socket.c:2799)
[   44.593856][  T458]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.593859][  T458]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.593863][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593865][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.593867][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593869][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593872][  T458]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.593875][  T458]  ? __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)
[   44.593878][  T458]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.593880][  T458]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.593882][  T458]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.593886][  T458]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.593889][  T458]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.593892][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593894][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.593896][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.593898][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593901][  T458]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   44.593905][  T458]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.593907][  T458]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.593909][  T458]  ? __kernel_text_address (kernel/extable.c:79)
[   44.593911][  T458]  ? write_profile (profile.c:?)
[   44.593913][  T458]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.593915][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593917][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593919][  T458]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   44.593927][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.593930][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593932][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.593934][  T458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.593937][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.593939][  T458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.593941][  T458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.593945][  T458]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.593947][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.593949][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.593951][  T458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.593953][  T458]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   44.593957][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593960][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.593962][  T458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.593965][  T458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.593968][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593970][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593972][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.593975][  T458]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.593978][  T458]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.593981][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.593983][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.593986][  T458]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.593988][  T458]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.593991][  T458]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.593993][  T458]  ? move_addr_to_kernel (net/socket.c:258)
[   44.593995][  T458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.593999][  T458]  ___sys_sendmsg (net/socket.c:2767)
[   44.594002][  T458]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.594009][  T458]  __sys_sendmsg (net/socket.c:2799)
[   44.594012][  T458]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.594016][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.594019][  T458]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.594021][  T458]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.594024][  T458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.594026][  T458] RIP: 0033:0x7f1e5e7c154e
[   44.594028][  T458] 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
[   44.594031][  T458] RSP: 002b:00007fffa50e15b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.594035][  T458] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1e5e7c154e
[   44.594037][  T458] RDX: 0000000000000000 RSI: 00007fffa50e1660 RDI: 0000000000000005
[   44.594038][  T458] RBP: 00007fffa50e15c0 R08: 0000000000000000 R09: 0000000000000000
[   44.594040][  T458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b52e


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars