======================================
| [    9.843011][  T187] softirqs last disabled at (38033): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.843014][  T187] Preemption disabled at:
| [    9.843014][  T187] 0x0
| [    9.843024][  T187] Tainted: [W]=WARN
[    9.843025][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.843027][  T187] Call Trace:
[    9.843028][  T187]  <TASK>
[    9.843030][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.843037][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.843041][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.843045][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.843051][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.843053][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.843058][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.843061][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.843064][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.843067][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.843068][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.843073][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.843078][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.843084][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.843086][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.843088][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.843092][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.843096][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.843097][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.843100][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.843103][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.843106][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.843110][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.843112][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.843117][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.843120][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.843122][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.843124][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.843127][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.843129][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.843132][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.843136][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.843139][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.843143][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.843146][  T187]  ? snapshot_read.cold (user.c:?)
[    9.843149][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.843151][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.843155][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.843158][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.843161][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.843163][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.843165][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.843170][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.843172][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.843174][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.843176][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.843179][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.843182][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.843185][  T187] RIP: 0033:0x7f072ccf91b8
[    9.843187][  T187] Code: Unable to access opcode bytes at 0x7f072ccf918e.

Code starting with the faulting instruction
===========================================
[    9.843188][  T187] RSP: 002b:00007ffcb90f4938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.843190][  T187] RAX: ffffffffffffffda RBX: 00007f072ce29f88 RCX: 00007f072ccf91b8
[    9.843191][  T187] RDX: 00007f072ca43fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.843192][  T187] RBP: 00007ffcb90f4990 R08: 0000000000000000 R09: 0000000000008010
[    9.843193][  T187] R10: 00007ffcb90f4750 R11: 0000000000000246 R12: 0000000000000001
[    9.843194][  T187] R13: 0000000000000000 R14: 00007f072ce28680 R15: 00007f072ce29fa0
| [   11.782933][  T265] softirqs last disabled at (19902): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.782936][  T265] Preemption disabled at:
| [   11.782936][  T265] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.782946][  T265] Tainted: [W]=WARN
[   11.782946][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.782948][  T265] Call Trace:
[   11.782950][  T265]  <TASK>
[   11.782951][  T265]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.782957][  T265]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.782960][  T265]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.782964][  T265]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.782969][  T265]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.782974][  T265]  __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))
[   11.782976][  T265]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.782981][  T265]  ? 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)
[   11.782984][  T265]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.782987][  T265]  put_chars (drivers/char/virtio_console.c:1176)
[   11.782990][  T265]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.782994][  T265]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.782997][  T265]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.783000][  T265]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.783002][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.783003][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.783007][  T265]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.783009][  T265]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.783012][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.783016][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.783020][  T265]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.783024][  T265]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.783026][  T265]  ? 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))
[   11.783029][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.783031][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.783035][  T265]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.783039][  T265]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.783041][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.783046][  T265]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.783048][  T265]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.783050][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.783052][  T265]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.783056][  T265]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.783058][  T265]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.783061][  T265]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.783065][  T265]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.783067][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.783069][  T265]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.783073][  T265]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.783076][  T265]  _printk (kernel/printk/printk.c:2504)
[   11.783080][  T265]  ? snapshot_read.cold (user.c:?)
[   11.783083][  T265]  ? br_multicast_flood (??:?) bridge
[   11.783096][  T265]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.783097][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.783098][  T265]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.783103][  T265] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.783113][  T265] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.783121][  T265] new_nbp (net/bridge/br_if.c:449) bridge
[   11.783130][  T265] br_add_if (net/bridge/br_if.c:592) bridge
[   11.783137][  T265]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.783141][  T265]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.783144][  T265]  ? __kernel_text_address (kernel/extable.c:79)
[   11.783147][  T265]  do_set_master (net/core/rtnetlink.c:3071)
[   11.783152][  T265]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.783155][  T265]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.783158][  T265]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.783159][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.783162][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.783165][  T265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.783168][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.783169][  T265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.783172][  T265]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.783175][  T265]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.783176][  T265]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.783179][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.783181][  T265]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.783184][  T265]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.783188][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.783190][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.783193][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.783195][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.783197][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.783198][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.783201][  T265]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.783205][  T265]  ? __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)
[   11.783206][  T265]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.783208][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.783212][  T265]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.783213][  T265]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.783218][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.783223][  T265]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.783233][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.783235][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.783240][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.783241][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.783243][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.783245][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.783249][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.783251][  T265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.783253][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.783255][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.783259][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.783261][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.783264][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.783266][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.783269][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.783274][  T265]  ? 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))
[   11.783276][  T265]  ? 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))
[   11.783280][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.783283][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.783286][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.783290][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.783293][  T265]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.783297][  T265]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.783302][  T265]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.783304][  T265]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.783307][  T265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.783308][  T265]  ? move_addr_to_kernel (net/socket.c:258)
[   11.783315][  T265]  ___sys_sendmsg (net/socket.c:2767)
[   11.783318][  T265]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.783333][  T265]  __sys_sendmsg (net/socket.c:2799)
[   11.783336][  T265]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.783342][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.783345][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.783347][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.783350][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.783353][  T265] RIP: 0033:0x7efd2065354e
[   11.783356][  T265] 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
[   11.783358][  T265] RSP: 002b:00007fffadb65520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.783361][  T265] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efd2065354e
[   11.783364][  T265] RDX: 0000000000000000 RSI: 00007fffadb655d0 RDI: 0000000000000005
[   11.783365][  T265] RBP: 00007fffadb65530 R08: 0000000000000000 R09: 0000000000000000
[   11.783366][  T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918672
[   11.783367][  T265] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffadb65c90
| [   26.979458][    C1] softirqs last disabled at (898659): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.979460][    C1] Preemption disabled at:
| [   26.979461][    C1] 0x0
| [   26.979470][    C1] Tainted: [W]=WARN
[   26.979471][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.979473][    C1] Call Trace:
[   26.979475][    C1]  <IRQ>
[   26.979477][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.979482][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.979486][    C1]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.979490][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.979493][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.979495][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979498][    C1]  __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))
[   26.979501][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.979504][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.979508][    C1]  ? 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)
[   26.979510][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.979512][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   26.979514][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.979515][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.979519][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.979522][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.979524][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979526][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.979528][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.979531][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.979533][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979535][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979536][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.979538][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.979540][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.979542][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.979545][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.979547][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.979549][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.979550][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979552][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.979554][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.979555][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.979557][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.979559][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.979562][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.979564][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.979577][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.979578][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.979585][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.979592][    C1]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.979595][    C1]  _printk (kernel/printk/printk.c:2504)
[   26.979599][    C1]  ? snapshot_read.cold (user.c:?)
[   26.979600][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.979604][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.979607][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.979609][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.979611][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.979613][    C1]  ? queued_spin_lock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1279 ./arch/x86/include/asm/paravirt-spinlock.h:144 kernel/locking/qspinlock.c:163)
[   26.979616][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.979618][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.979619][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.979622][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.979624][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.979630][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979632][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.979634][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.979641][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.979643][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.979649][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.979657][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.979663][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   26.979666][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.979668][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.979672][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.979673][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.979675][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979677][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.979679][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.979687][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.979689][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.979691][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.979694][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.979696][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.979698][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.979700][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979702][    C1]  handle_softirqs (kernel/softirq.c:645)
[   26.979704][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.979706][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.979708][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.979709][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   26.979711][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.979714][    C1]  </IRQ>
[   26.979714][    C1]  <TASK>
[   26.979715][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.979717][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.979719][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.979721][    C1] 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
[   26.979723][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   26.979726][    C1] RAX: 00000000000db661 RBX: ff11000001bea380 RCX: ffffffffa90f0307
[   26.979728][    C1] RDX: ff11000001bea380 RSI: ffffffffabe38af6 RDI: ffffffffab88d8e0
[   26.979729][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.979730][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   26.979730][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.979732][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.979735][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.979737][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   26.979739][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.979741][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   26.979742][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.979745][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.979747][    C1]  do_idle (kernel/sched/idle.c:355)
[   26.979749][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.979750][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.979752][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.979754][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.040448][    C1]
| [   27.040519][    C1]
| [   27.040519][    C1] stack backtrace:
| [   27.040746][    C1] Tainted: [W]=WARN
[   27.040747][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.040749][    C1] Call Trace:
[   27.040750][    C1]  <IRQ>
[   27.040752][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.040756][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.040759][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.040761][    C1]  ? queued_spin_lock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1279 ./arch/x86/include/asm/paravirt-spinlock.h:144 kernel/locking/qspinlock.c:163)
[   27.040764][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.040766][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.040768][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.040770][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.040772][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.040779][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.040782][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.040784][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.040790][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.040792][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.040799][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.040806][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.040813][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   27.040815][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.040817][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.040820][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.040822][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.040824][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.040826][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.040828][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.040835][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.040837][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.040840][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.040842][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.040844][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.040846][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.040848][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.040850][    C1]  handle_softirqs (kernel/softirq.c:645)
[   27.040852][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.040854][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.040856][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.040857][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   27.040858][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.040860][    C1]  </IRQ>
[   27.040861][    C1]  <TASK>
[   27.040861][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.040863][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.040865][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.040867][    C1] 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
[   27.040868][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   27.040871][    C1] RAX: 00000000000db661 RBX: ff11000001bea380 RCX: ffffffffa90f0307
[   27.040872][    C1] RDX: ff11000001bea380 RSI: ffffffffabe38af6 RDI: ffffffffab88d8e0
[   27.040873][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.040874][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   27.040874][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.040876][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.040878][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.040880][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   27.040881][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.040883][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   27.040884][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.040886][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.040888][    C1]  do_idle (kernel/sched/idle.c:355)
[   27.040890][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.040891][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.040893][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.040895][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   51.040733][ T2056] softirqs last disabled at (0): 0x0
| [   51.040735][ T2056] Preemption disabled at:
| [   51.040735][ T2056] 0x0
| [   51.040743][ T2056] Tainted: [W]=WARN
[   51.040744][ T2056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.040746][ T2056] Call Trace:
[   51.040747][ T2056]  <TASK>
[   51.040749][ T2056]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.040754][ T2056]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.040758][ T2056]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.040762][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040765][ T2056]  __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))
[   51.040769][ T2056]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.040772][ T2056]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.040775][ T2056]  ? 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)
[   51.040777][ T2056]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.040779][ T2056]  put_chars (drivers/char/virtio_console.c:1176)
[   51.040780][ T2056]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.040782][ T2056]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   51.040786][ T2056]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.040789][ T2056]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.040791][ T2056]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.040793][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040794][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.040796][ T2056]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.040799][ T2056]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.040801][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040802][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040804][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040805][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.040807][ T2056]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   51.040809][ T2056]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.040811][ T2056]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.040814][ T2056]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.040815][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.040817][ T2056]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.040818][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040820][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.040821][ T2056]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   51.040822][ T2056]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   51.040824][ T2056]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.040826][ T2056]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.040828][ T2056]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.040830][ T2056]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.040832][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040834][ T2056]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.040836][ T2056]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   51.040838][ T2056]  _printk (kernel/printk/printk.c:2504)
[   51.040841][ T2056]  ? snapshot_read.cold (user.c:?)
[   51.040843][ T2056]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   51.040848][ T2056] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   51.040860][ T2056] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   51.040868][ T2056] br_device_event (net/bridge/br.c:111) bridge
[   51.040876][ T2056]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   51.040879][ T2056]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   51.040881][ T2056]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   51.040885][ T2056]  notifier_call_chain (kernel/notifier.c:85)
[   51.040888][ T2056]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   51.040891][ T2056]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.040893][ T2056]  ? netif_change_name (net/core/dev.c:1517)
[   51.040895][ T2056]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   51.040897][ T2056]  ? __kernel_text_address (kernel/extable.c:79)
[   51.040899][ T2056]  ? write_profile (profile.c:?)
[   51.040901][ T2056]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.040904][ T2056]  netif_change_flags (net/core/dev.c:9882)
[   51.040906][ T2056]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   51.040909][ T2056]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.040910][ T2056]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.040912][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040913][ T2056]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   51.040917][ T2056]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.040920][ T2056]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.040921][ T2056]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.040923][ T2056]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.040924][ T2056]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   51.040926][ T2056]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   51.040927][ T2056]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.040928][ T2056]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.040930][ T2056]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.040932][ T2056]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.040933][ T2056]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.040935][ T2056]  ? ___sys_sendmsg (net/socket.c:2767)
[   51.040937][ T2056]  ? __sys_sendmsg (net/socket.c:2799)
[   51.040938][ T2056]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.040940][ T2056]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.040942][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040944][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.040946][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040947][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040949][ T2056]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.040952][ T2056]  ? __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)
[   51.040953][ T2056]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.040955][ T2056]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.040956][ T2056]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.040958][ T2056]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.040960][ T2056]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.040962][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040964][ T2056]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.040965][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.040966][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040968][ T2056]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   51.040971][ T2056]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   51.040973][ T2056]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   51.040974][ T2056]  ? __kernel_text_address (kernel/extable.c:79)
[   51.040975][ T2056]  ? write_profile (profile.c:?)
[   51.040976][ T2056]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.040978][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040979][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040981][ T2056]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   51.040984][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.040986][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.040988][ T2056]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.040989][ T2056]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.040991][ T2056]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.040992][ T2056]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   51.040993][ T2056]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   51.040995][ T2056]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.040997][ T2056]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.040999][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.041001][ T2056]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.041003][ T2056]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   51.041007][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.041009][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.041012][ T2056]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.041013][ T2056]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.041015][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.041017][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.041018][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.041020][ T2056]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.041022][ T2056]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.041024][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.041025][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.041027][ T2056]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.041029][ T2056]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.041030][ T2056]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   51.041032][ T2056]  ? move_addr_to_kernel (net/socket.c:258)
[   51.041033][ T2056]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   51.041036][ T2056]  ___sys_sendmsg (net/socket.c:2767)
[   51.041037][ T2056]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.041042][ T2056]  __sys_sendmsg (net/socket.c:2799)
[   51.041044][ T2056]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.041046][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.041048][ T2056]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.041050][ T2056]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.041052][ T2056]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.041053][ T2056] RIP: 0033:0x7fa30356354e
[   51.041055][ T2056] 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
[   51.041057][ T2056] RSP: 002b:00007ffece76d560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.041060][ T2056] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa30356354e
[   51.041062][ T2056] RDX: 0000000000000000 RSI: 00007ffece76d610 RDI: 0000000000000005
[   51.041063][ T2056] RBP: 00007ffece76d570 R08: 0000000000000000 R09: 0000000000000000
[   51.041063][ T2056] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918699
[   51.041064][ T2056] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffece76dcd0
| [   88.323069][ T3878] softirqs last disabled at (0): 0x0
| [   88.323071][ T3878] Preemption disabled at:
| [   88.323071][ T3878] 0x0
| [   88.323079][ T3878] Tainted: [W]=WARN
[   88.323080][ T3878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.323082][ T3878] Call Trace:
[   88.323083][ T3878]  <TASK>
[   88.323085][ T3878]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.323090][ T3878]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.323094][ T3878]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.323098][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323102][ T3878]  __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))
[   88.323105][ T3878]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.323108][ T3878]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.323112][ T3878]  ? 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)
[   88.323114][ T3878]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.323116][ T3878]  put_chars (drivers/char/virtio_console.c:1176)
[   88.323118][ T3878]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.323119][ T3878]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   88.323123][ T3878]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.323126][ T3878]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.323128][ T3878]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.323129][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323131][ T3878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.323133][ T3878]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.323136][ T3878]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.323137][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323139][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323141][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323142][ T3878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.323144][ T3878]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.323146][ T3878]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.323148][ T3878]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.323150][ T3878]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.323152][ T3878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.323154][ T3878]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.323155][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323157][ T3878]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.323158][ T3878]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.323159][ T3878]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   88.323161][ T3878]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.323163][ T3878]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.323165][ T3878]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.323167][ T3878]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.323169][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323171][ T3878]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.323173][ T3878]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   88.323175][ T3878]  _printk (kernel/printk/printk.c:2504)
[   88.323178][ T3878]  ? snapshot_read.cold (user.c:?)
[   88.323180][ T3878]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   88.323185][ T3878] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   88.323198][ T3878] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   88.323205][ T3878] br_device_event (net/bridge/br.c:111) bridge
[   88.323214][ T3878]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   88.323218][ T3878]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   88.323220][ T3878]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   88.323223][ T3878]  notifier_call_chain (kernel/notifier.c:85)
[   88.323226][ T3878]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   88.323230][ T3878]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.323231][ T3878]  ? netif_change_name (net/core/dev.c:1517)
[   88.323233][ T3878]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   88.323235][ T3878]  ? __kernel_text_address (kernel/extable.c:79)
[   88.323237][ T3878]  ? write_profile (profile.c:?)
[   88.323239][ T3878]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.323242][ T3878]  netif_change_flags (net/core/dev.c:9882)
[   88.323244][ T3878]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   88.323247][ T3878]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.323248][ T3878]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.323249][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323251][ T3878]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.323254][ T3878]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.323257][ T3878]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.323259][ T3878]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.323260][ T3878]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.323262][ T3878]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   88.323263][ T3878]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   88.323264][ T3878]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.323265][ T3878]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.323268][ T3878]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.323269][ T3878]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.323270][ T3878]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.323272][ T3878]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.323274][ T3878]  ? __sys_sendmsg (net/socket.c:2799)
[   88.323275][ T3878]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.323277][ T3878]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.323280][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323281][ T3878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.323283][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323284][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323286][ T3878]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.323289][ T3878]  ? __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)
[   88.323291][ T3878]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.323292][ T3878]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.323293][ T3878]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.323295][ T3878]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.323297][ T3878]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.323299][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323301][ T3878]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.323302][ T3878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.323303][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323305][ T3878]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.323308][ T3878]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.323310][ T3878]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.323311][ T3878]  ? __kernel_text_address (kernel/extable.c:79)
[   88.323312][ T3878]  ? write_profile (profile.c:?)
[   88.323314][ T3878]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.323315][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323316][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323318][ T3878]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.323321][ T3878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.323323][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323325][ T3878]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.323326][ T3878]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.323327][ T3878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.323329][ T3878]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.323330][ T3878]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.323332][ T3878]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.323334][ T3878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.323335][ T3878]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.323336][ T3878]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.323338][ T3878]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.323340][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323342][ T3878]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.323344][ T3878]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.323346][ T3878]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.323347][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323349][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323350][ T3878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.323352][ T3878]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.323354][ T3878]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.323356][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323357][ T3878]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.323359][ T3878]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.323361][ T3878]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.323364][ T3878]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   88.323366][ T3878]  ? move_addr_to_kernel (net/socket.c:258)
[   88.323367][ T3878]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.323370][ T3878]  ___sys_sendmsg (net/socket.c:2767)
[   88.323371][ T3878]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.323376][ T3878]  __sys_sendmsg (net/socket.c:2799)
[   88.323378][ T3878]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.323381][ T3878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.323383][ T3878]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.323384][ T3878]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.323386][ T3878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.323388][ T3878] RIP: 0033:0x7f4f7d19254e
[   88.323389][ T3878] 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
[   88.323391][ T3878] RSP: 002b:00007ffe4563b8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.323395][ T3878] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4f7d19254e
[   88.323396][ T3878] RDX: 0000000000000000 RSI: 00007ffe4563b9a0 RDI: 0000000000000005
[   88.323397][ T3878] RBP: 00007ffe4563b900 R08: 0000000000000000 R09: 0000000000000000
[   88.323398][ T3878] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9186be
[   88.323399][ T3878] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4563c060
| [  162.271750][ T7758] softirqs last disabled at (0): 0x0
| [  162.271752][ T7758] Preemption disabled at:
| [  162.271753][ T7758] 0x0
| [  162.271763][ T7758] Tainted: [W]=WARN
[  162.271764][ T7758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  162.271767][ T7758] Call Trace:
[  162.271768][ T7758]  <TASK>
[  162.271770][ T7758]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  162.271777][ T7758]  __might_resched.cold (kernel/sched/core.c:9234)
[  162.271782][ T7758]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  162.271791][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.271796][ T7758]  __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))
[  162.271800][ T7758]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.271804][ T7758]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.271809][ T7758]  ? 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)
[  162.271811][ T7758]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.271814][ T7758]  put_chars (drivers/char/virtio_console.c:1176)
[  162.271817][ T7758]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  162.271819][ T7758]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  162.271824][ T7758]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  162.271829][ T7758]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  162.271832][ T7758]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.271835][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.271837][ T7758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.271840][ T7758]  console_emit_next_record (kernel/printk/printk.c:3183)
[  162.271844][ T7758]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  162.271847][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.271849][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.271851][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.271854][ T7758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.271857][ T7758]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  162.271860][ T7758]  console_flush_one_record (kernel/printk/printk.c:3268)
[  162.271863][ T7758]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  162.271867][ T7758]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  162.271869][ T7758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.271872][ T7758]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  162.271874][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.271876][ T7758]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.271879][ T7758]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  162.271881][ T7758]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  162.271884][ T7758]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  162.271886][ T7758]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  162.271889][ T7758]  vprintk_emit (kernel/printk/printk.c:2479)
[  162.271893][ T7758]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  162.271895][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.271898][ T7758]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  162.271901][ T7758]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  162.271904][ T7758]  _printk (kernel/printk/printk.c:2504)
[  162.271908][ T7758]  ? snapshot_read.cold (user.c:?)
[  162.271911][ T7758]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  162.271917][ T7758] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  162.271936][ T7758] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  162.271949][ T7758] br_device_event (net/bridge/br.c:111) bridge
[  162.271962][ T7758]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  162.271966][ T7758]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  162.271969][ T7758]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  162.271974][ T7758]  notifier_call_chain (kernel/notifier.c:85)
[  162.271978][ T7758]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  162.271983][ T7758]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  162.271986][ T7758]  ? netif_change_name (net/core/dev.c:1517)
[  162.271989][ T7758]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  162.271992][ T7758]  ? __kernel_text_address (kernel/extable.c:79)
[  162.271994][ T7758]  ? write_profile (profile.c:?)
[  162.271997][ T7758]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  162.272001][ T7758]  netif_change_flags (net/core/dev.c:9882)
[  162.272005][ T7758]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  162.272008][ T7758]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  162.272011][ T7758]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  162.272012][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272015][ T7758]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  162.272020][ T7758]  ? kasan_save_stack (mm/kasan/common.c:58)
[  162.272023][ T7758]  ? kasan_save_stack (mm/kasan/common.c:57)
[  162.272025][ T7758]  ? kasan_save_track (mm/kasan/common.c:78)
[  162.272028][ T7758]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  162.272030][ T7758]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  162.272032][ T7758]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  162.272034][ T7758]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  162.272036][ T7758]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  162.272039][ T7758]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  162.272041][ T7758]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  162.272043][ T7758]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  162.272046][ T7758]  ? ___sys_sendmsg (net/socket.c:2767)
[  162.272048][ T7758]  ? __sys_sendmsg (net/socket.c:2799)
[  162.272050][ T7758]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  162.272053][ T7758]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  162.272057][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272060][ T7758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.272062][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272064][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272066][ T7758]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  162.272070][ T7758]  ? __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)
[  162.272073][ T7758]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  162.272075][ T7758]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  162.272077][ T7758]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  162.272081][ T7758]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  162.272084][ T7758]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  162.272087][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272090][ T7758]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  162.272092][ T7758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.272094][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272097][ T7758]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  162.272101][ T7758]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  162.272104][ T7758]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  162.272106][ T7758]  ? __kernel_text_address (kernel/extable.c:79)
[  162.272108][ T7758]  ? write_profile (profile.c:?)
[  162.272110][ T7758]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  162.272112][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272114][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272116][ T7758]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  162.272121][ T7758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.272123][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272125][ T7758]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  162.272127][ T7758]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  162.272130][ T7758]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.272132][ T7758]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  162.272134][ T7758]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  162.272138][ T7758]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  162.272140][ T7758]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.272143][ T7758]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.272145][ T7758]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  162.272147][ T7758]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  162.272151][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272154][ T7758]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.272156][ T7758]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  162.272159][ T7758]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  162.272162][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272164][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272167][ T7758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.272169][ T7758]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  162.272172][ T7758]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  162.272175][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272178][ T7758]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.272180][ T7758]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  162.272183][ T7758]  ? copy_msghdr_from_user (net/socket.c:2650)
[  162.272185][ T7758]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  162.272187][ T7758]  ? move_addr_to_kernel (net/socket.c:258)
[  162.272190][ T7758]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  162.272194][ T7758]  ___sys_sendmsg (net/socket.c:2767)
[  162.272197][ T7758]  ? copy_msghdr_from_user (net/socket.c:2619)
[  162.272204][ T7758]  __sys_sendmsg (net/socket.c:2799)
[  162.272207][ T7758]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  162.272211][ T7758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.272214][ T7758]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  162.272216][ T7758]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  162.272219][ T7758]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  162.272222][ T7758] RIP: 0033:0x7fe97b83854e
[  162.272224][ T7758] 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
[  162.272227][ T7758] RSP: 002b:00007ffe2ad3cfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  162.272231][ T7758] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe97b83854e
[  162.272233][ T7758] RDX: 0000000000000000 RSI: 00007ffe2ad3d060 RDI: 0000000000000005
[  162.272234][ T7758] RBP: 00007ffe2ad3cfc0 R08: 0000000000000000 R09: 0000000000000000
[  162.272236][ T7758] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918708
[  162.272237][ T7758] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2ad3d720
| [  168.005082][ T7808] softirqs last disabled at (0): 0x0
| [  168.005084][ T7808] Preemption disabled at:
| [  168.005085][ T7808] 0x0
| [  168.005095][ T7808] Tainted: [W]=WARN
[  168.005097][ T7808] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.005099][ T7808] Call Trace:
[  168.005101][ T7808]  <TASK>
[  168.005102][ T7808]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.005108][ T7808]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.005113][ T7808]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.005117][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005122][ T7808]  __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))
[  168.005126][ T7808]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.005130][ T7808]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.005134][ T7808]  ? 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)
[  168.005136][ T7808]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.005139][ T7808]  put_chars (drivers/char/virtio_console.c:1176)
[  168.005141][ T7808]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  168.005144][ T7808]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.005147][ T7808]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  168.005151][ T7808]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.005155][ T7808]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.005157][ T7808]  ? 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)
[  168.005159][ T7808]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.005161][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005163][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005166][ T7808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.005169][ T7808]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.005172][ T7808]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.005175][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005177][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005179][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005181][ T7808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.005184][ T7808]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  168.005186][ T7808]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.005189][ T7808]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.005193][ T7808]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.005195][ T7808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.005197][ T7808]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.005199][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005201][ T7808]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.005203][ T7808]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  168.005205][ T7808]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  168.005208][ T7808]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.005210][ T7808]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.005213][ T7808]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.005217][ T7808]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.005220][ T7808]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[  168.005225][ T7808]  ? debug_object_activate (lib/debugobjects.c:884)
[  168.005228][ T7808]  _printk (kernel/printk/printk.c:2504)
[  168.005231][ T7808]  ? snapshot_read.cold (user.c:?)
[  168.005234][ T7808]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.005237][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005239][ T7808]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.005243][ T7808] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  168.005260][ T7808] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  168.005273][ T7808] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[  168.005283][ T7808] br_dev_stop (net/bridge/br_device.c:193) bridge
[  168.005296][ T7808]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  168.005300][ T7808]  __dev_close_many (net/core/dev.c:1798)
[  168.005304][ T7808]  ? netif_open (net/core/dev.c:1755)
[  168.005307][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005309][ T7808]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.005311][ T7808]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[  168.005314][ T7808]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  168.005317][ T7808]  ? __kernel_text_address (kernel/extable.c:79)
[  168.005320][ T7808]  ? write_profile (profile.c:?)
[  168.005322][ T7808]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  168.005326][ T7808]  netif_change_flags (net/core/dev.c:9877)
[  168.005329][ T7808]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  168.005332][ T7808]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  168.005334][ T7808]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  168.005336][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005338][ T7808]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  168.005342][ T7808]  ? kasan_save_stack (mm/kasan/common.c:58)
[  168.005345][ T7808]  ? kasan_save_stack (mm/kasan/common.c:57)
[  168.005347][ T7808]  ? kasan_save_track (mm/kasan/common.c:78)
[  168.005349][ T7808]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  168.005351][ T7808]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  168.005353][ T7808]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  168.005355][ T7808]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.005356][ T7808]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.005359][ T7808]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.005364][ T7808]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.005365][ T7808]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  168.005368][ T7808]  ? ___sys_sendmsg (net/socket.c:2767)
[  168.005370][ T7808]  ? __sys_sendmsg (net/socket.c:2799)
[  168.005373][ T7808]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.005376][ T7808]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.005380][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005383][ T7808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.005384][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005387][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005389][ T7808]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  168.005393][ T7808]  ? __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)
[  168.005396][ T7808]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  168.005398][ T7808]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  168.005400][ T7808]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  168.005404][ T7808]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  168.005407][ T7808]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  168.005410][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005412][ T7808]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.005414][ T7808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.005416][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005418][ T7808]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  168.005422][ T7808]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  168.005424][ T7808]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  168.005426][ T7808]  ? __kernel_text_address (kernel/extable.c:79)
[  168.005428][ T7808]  ? write_profile (profile.c:?)
[  168.005430][ T7808]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  168.005432][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005434][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005436][ T7808]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  168.005440][ T7808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.005442][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005444][ T7808]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.005446][ T7808]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.005449][ T7808]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.005450][ T7808]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  168.005453][ T7808]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  168.005456][ T7808]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.005458][ T7808]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.005460][ T7808]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.005462][ T7808]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  168.005464][ T7808]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  168.005468][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005470][ T7808]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.005473][ T7808]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.005476][ T7808]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  168.005478][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005480][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005482][ T7808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.005485][ T7808]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.005487][ T7808]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  168.005490][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005492][ T7808]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.005495][ T7808]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  168.005497][ T7808]  ? copy_msghdr_from_user (net/socket.c:2650)
[  168.005500][ T7808]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  168.005502][ T7808]  ? move_addr_to_kernel (net/socket.c:258)
[  168.005504][ T7808]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  168.005508][ T7808]  ___sys_sendmsg (net/socket.c:2767)
[  168.005510][ T7808]  ? copy_msghdr_from_user (net/socket.c:2619)
[  168.005518][ T7808]  __sys_sendmsg (net/socket.c:2799)
[  168.005520][ T7808]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  168.005524][ T7808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.005527][ T7808]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.005529][ T7808]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  168.005531][ T7808]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.005533][ T7808] RIP: 0033:0x7f2b038af54e
[  168.005536][ T7808] 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
[  168.005538][ T7808] RSP: 002b:00007fff5e0f36c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  168.005542][ T7808] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2b038af54e
[  168.005544][ T7808] RDX: 0000000000000000 RSI: 00007fff5e0f3770 RDI: 0000000000000005
[  168.005545][ T7808] RBP: 00007fff5e0f36d0 R08: 0000000000000000 R09: 0000000000000000
[  168.005546][ T7808] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91870e


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu: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