======================================
| [   10.925862][  T187] softirqs last disabled at (49963): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.925865][  T187] Preemption disabled at:
| [   10.925866][  T187] 0x0
| [   10.925878][  T187] Tainted: [W]=WARN
[   10.925879][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.925881][  T187] Call Trace:
[   10.925883][  T187]  <TASK>
[   10.925885][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.925894][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.925900][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.925906][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.925913][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.925916][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.925925][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.925929][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.925934][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.925938][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.925940][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.925953][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.925962][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.925972][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.925976][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.925979][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.925986][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.925993][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.925995][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.926000][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.926004][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.926011][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.926017][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.926020][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.926029][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.926034][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.926037][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.926041][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.926047][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.926049][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.926055][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.926060][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.926066][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.926072][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.926077][  T187]  ? snapshot_read.cold (user.c:?)
[   10.926082][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.926088][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.926095][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.926099][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.926104][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.926107][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.926111][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.926118][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.926123][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.926126][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.926129][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.926133][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.926138][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.926141][  T187] RIP: 0033:0x7f337379c1b8
[   10.926143][  T187] Code: Unable to access opcode bytes at 0x7f337379c18e.

Code starting with the faulting instruction
===========================================
[   10.926145][  T187] RSP: 002b:00007ffda8e5b5d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.926148][  T187] RAX: ffffffffffffffda RBX: 00007f33738ccf88 RCX: 00007f337379c1b8
[   10.926150][  T187] RDX: 00007f33734e6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.926152][  T187] RBP: 00007ffda8e5b630 R08: 0000000000000000 R09: 0000000000008010
[   10.926153][  T187] R10: 00007ffda8e5b3f0 R11: 0000000000000246 R12: 0000000000000001
[   10.926154][  T187] R13: 0000000000000000 R14: 00007f33738cb680 R15: 00007f33738ccfa0
| [   12.429928][  T247] softirqs last disabled at (14452): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.429930][  T247] Preemption disabled at:
| [   12.429931][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.429940][  T247] Tainted: [W]=WARN
[   12.429941][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.429942][  T247] Call Trace:
[   12.429944][  T247]  <TASK>
[   12.429950][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.429956][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.429958][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.429963][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.429967][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.429972][  T247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.429974][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.429980][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.429982][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.429985][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   12.429988][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.429992][  T247]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.429996][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.429998][  T247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.430000][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430002][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430005][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.430007][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.430011][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430014][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.430018][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.430022][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.430023][  T247]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.430027][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430029][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.430034][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.430039][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.430041][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430046][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.430048][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.430050][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430052][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.430056][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.430057][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.430061][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.430064][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.430067][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.430068][  T247]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.430073][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.430076][  T247]  _printk (kernel/printk/printk.c:2504)
[   12.430080][  T247]  ? snapshot_read.cold (user.c:?)
[   12.430087][  T247]  ? br_multicast_flood (??:?) bridge
[   12.430101][  T247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.430102][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.430104][  T247]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.430108][  T247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.430117][  T247] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.430125][  T247] new_nbp (net/bridge/br_if.c:449) bridge
[   12.430134][  T247] br_add_if (net/bridge/br_if.c:592) bridge
[   12.430141][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.430145][  T247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.430148][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   12.430152][  T247]  do_set_master (net/core/rtnetlink.c:3071)
[   12.430156][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.430159][  T247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.430162][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.430164][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.430166][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.430170][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.430172][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.430174][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.430177][  T247]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.430179][  T247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.430181][  T247]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.430184][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430185][  T247]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.430189][  T247]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.430193][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.430195][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.430197][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430200][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.430201][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430203][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430205][  T247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.430209][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.430211][  T247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.430213][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.430216][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.430218][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.430222][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.430227][  T247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.430232][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.430234][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430239][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.430240][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.430242][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.430244][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.430248][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.430250][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.430252][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.430254][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430258][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.430260][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.430263][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.430265][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.430268][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.430273][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.430275][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.430279][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.430283][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.430285][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.430289][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.430293][  T247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.430296][  T247]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.430301][  T247]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.430304][  T247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.430306][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.430307][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   12.430314][  T247]  ___sys_sendmsg (net/socket.c:2767)
[   12.430317][  T247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.430332][  T247]  __sys_sendmsg (net/socket.c:2799)
[   12.430335][  T247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.430341][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.430345][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.430347][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.430350][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.430352][  T247] RIP: 0033:0x7efd67f3754e
[   12.430355][  T247] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.430357][  T247] RSP: 002b:00007ffee160baa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.430360][  T247] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efd67f3754e
[   12.430361][  T247] RDX: 0000000000000000 RSI: 00007ffee160bb50 RDI: 0000000000000005
[   12.430362][  T247] RBP: 00007ffee160bab0 R08: 0000000000000000 R09: 0000000000000000
[   12.430363][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c58
[   12.430364][  T247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee160c210
| [   20.226579][  T304] softirqs last disabled at (20262): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.226581][  T304] Preemption disabled at:
| [   20.226582][  T304] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.226591][  T304] Tainted: [W]=WARN
[   20.226592][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.226594][  T304] Call Trace:
[   20.226595][  T304]  <TASK>
[   20.226597][  T304]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.226603][  T304]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.226605][  T304]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.226610][  T304]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.226614][  T304]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.226620][  T304]  __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))
[   20.226622][  T304]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.226628][  T304]  ? 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)
[   20.226630][  T304]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.226633][  T304]  put_chars (drivers/char/virtio_console.c:1176)
[   20.226636][  T304]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.226637][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.226642][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.226648][  T304]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.226654][  T304]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.226656][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.226658][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.226662][  T304]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.226666][  T304]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.226668][  T304]  ? 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))
[   20.226671][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.226673][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.226677][  T304]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.226681][  T304]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.226683][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.226688][  T304]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.226691][  T304]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.226692][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.226695][  T304]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.226698][  T304]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.226700][  T304]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.226703][  T304]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.226707][  T304]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.226709][  T304]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.226711][  T304]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.226713][  T304]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.226715][  T304]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.226717][  T304]  ? ___sys_sendmsg (net/socket.c:2767)
[   20.226719][  T304]  ? __sys_sendmsg (net/socket.c:2799)
[   20.226720][  T304]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.226725][  T304]  _printk (kernel/printk/printk.c:2504)
[   20.226729][  T304]  ? snapshot_read.cold (user.c:?)
[   20.226733][  T304]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.226737][  T304]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.226740][  T304]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.226743][  T304]  ? netdev_notice (net/core/dev.c:13194)
[   20.226746][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.226749][  T304]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   20.226751][  T304]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   20.226753][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.226755][  T304]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.226758][  T304]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   20.226763][  T304]  dev_set_allmulti (net/core/dev_api.c:315)
[   20.226767][  T304] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   20.226780][  T304]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.226786][  T304] br_del_if (net/bridge/br_if.c:732) bridge
[   20.226793][  T304]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.226796][  T304]  do_set_master (net/core/rtnetlink.c:3055)
[   20.226801][  T304]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.226804][  T304]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.226807][  T304]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.226809][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.226811][  T304]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.226815][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.226817][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.226819][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.226822][  T304]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.226825][  T304]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.226826][  T304]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.226829][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.226831][  T304]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   20.226833][  T304]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.226836][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.226838][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.226841][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.226843][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.226845][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.226846][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.226849][  T304]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.226852][  T304]  ? __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)
[   20.226854][  T304]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.226856][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.226859][  T304]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.226861][  T304]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.226866][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.226871][  T304]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.226876][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.226878][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.226882][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.226884][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.226886][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.226888][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.226892][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.226894][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.226897][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.226898][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.226902][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.226904][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.226907][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.226909][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.226912][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.226918][  T304]  ? 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))
[   20.226919][  T304]  ? 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))
[   20.226923][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.226927][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.226930][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.226934][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.226937][  T304]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.226941][  T304]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.226946][  T304]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.226948][  T304]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.226951][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.226952][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   20.226959][  T304]  ___sys_sendmsg (net/socket.c:2767)
[   20.226962][  T304]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.226984][  T304]  __sys_sendmsg (net/socket.c:2799)
[   20.226987][  T304]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.226993][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.226996][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.226998][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.227001][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.227003][  T304] RIP: 0033:0x7f35a1fa054e
[   20.227006][  T304] 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
[   20.227008][  T304] RSP: 002b:00007ffc02975990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.227011][  T304] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f35a1fa054e
[   20.227013][  T304] RDX: 0000000000000000 RSI: 00007ffc02975a40 RDI: 0000000000000005
[   20.227014][  T304] RBP: 00007ffc029759a0 R08: 0000000000000000 R09: 0000000000000000
[   20.227014][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c60
[   20.227015][  T304] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc02976100
| [   22.335551][  T306] softirqs last disabled at (15100): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.335554][  T306] Preemption disabled at:
| [   22.335555][  T306] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.335567][  T306] Tainted: [W]=WARN
[   22.335568][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.335570][  T306] Call Trace:
[   22.335572][  T306]  <TASK>
[   22.335575][  T306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.335582][  T306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.335585][  T306]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.335591][  T306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.335597][  T306]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.335604][  T306]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.335608][  T306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.335616][  T306]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.335620][  T306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.335625][  T306]  put_chars (drivers/char/virtio_console.c:1176)
[   22.335628][  T306]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   22.335631][  T306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.335637][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.335642][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.335645][  T306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.335651][  T306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.335655][  T306]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.335658][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.335660][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.335667][  T306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.335670][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.335676][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.335679][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.335686][  T306]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.335692][  T306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.335694][  T306]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.335699][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.335703][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.335709][  T306]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.335716][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.335719][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.335728][  T306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.335732][  T306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.335735][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.335738][  T306]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.335744][  T306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.335747][  T306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.335752][  T306]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.335759][  T306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.335762][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.335767][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.335773][  T306]  _printk (kernel/printk/printk.c:2504)
[   22.335778][  T306]  ? snapshot_read.cold (user.c:?)
[   22.335785][  T306]  ? br_multicast_flood (??:?) bridge
[   22.335803][  T306]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.335805][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.335807][  T306]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.335815][  T306] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   22.335832][  T306] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   22.335846][  T306] new_nbp (net/bridge/br_if.c:449) bridge
[   22.335861][  T306] br_add_if (net/bridge/br_if.c:592) bridge
[   22.335873][  T306]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.335878][  T306]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.335882][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   22.335889][  T306]  do_set_master (net/core/rtnetlink.c:3071)
[   22.335897][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.335902][  T306]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.335907][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.335909][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.335912][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.335916][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.335920][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.335923][  T306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.335927][  T306]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.335931][  T306]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.335933][  T306]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.335938][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.335941][  T306]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   22.335945][  T306]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.335952][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.335954][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.335959][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.335963][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.335965][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.335967][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.335971][  T306]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.335976][  T306]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.335985][  T306]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.335989][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.335995][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.335997][  T306]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.336006][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.336016][  T306]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.336026][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.336029][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.336037][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.336040][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.336044][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.336047][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.336053][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.336056][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.336062][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.336064][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.336072][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.336075][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.336081][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.336086][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.336092][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.336103][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.336105][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.336113][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.336119][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.336123][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.336131][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.336137][  T306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.336144][  T306]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.336152][  T306]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.336156][  T306]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.336159][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.336162][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   22.336175][  T306]  ___sys_sendmsg (net/socket.c:2767)
[   22.336180][  T306]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.336209][  T306]  __sys_sendmsg (net/socket.c:2799)
[   22.336214][  T306]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.336225][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.336231][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.336235][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.336240][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.336243][  T306] RIP: 0033:0x7f5d864c454e
[   22.336248][  T306] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.336251][  T306] RSP: 002b:00007ffe5e2f12e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.336257][  T306] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d864c454e
[   22.336259][  T306] RDX: 0000000000000000 RSI: 00007ffe5e2f1390 RDI: 0000000000000005
[   22.336260][  T306] RBP: 00007ffe5e2f12f0 R08: 0000000000000000 R09: 0000000000000000
[   22.336262][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c62
[   22.336263][  T306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5e2f1a50
| [   37.745188][    C3] softirqs last disabled at (732657): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   37.745190][    C3] Preemption disabled at:
| [   37.745191][    C3] 0x0
| [   37.745201][    C3] Tainted: [W]=WARN
[   37.745202][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.745204][    C3] Call Trace:
[   37.745206][    C3]  <IRQ>
[   37.745208][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.745214][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.745217][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.745221][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.745224][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   37.745227][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745230][    C3]  __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))
[   37.745233][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.745236][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.745239][    C3]  ? 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)
[   37.745241][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.745243][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   37.745245][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.745247][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   37.745251][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.745254][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.745256][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745257][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.745260][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.745262][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.745264][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745266][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745268][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.745270][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   37.745272][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.745274][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.745277][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.745278][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.745280][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.745282][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745283][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.745285][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.745287][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.745289][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.745291][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.745293][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.745295][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.745307][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.745309][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.745315][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.745321][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   37.745325][    C3]  _printk (kernel/printk/printk.c:2504)
[   37.745328][    C3]  ? snapshot_read.cold (user.c:?)
[   37.745330][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   37.745334][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.745337][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   37.745338][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   37.745341][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   37.745344][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   37.745346][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   37.745348][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   37.745350][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.745352][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.745358][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745360][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.745362][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.745368][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   37.745370][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.745376][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.745383][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.745389][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   37.745392][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   37.745394][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   37.745397][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.745399][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.745401][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745403][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   37.745405][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.745412][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   37.745414][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.745416][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.745419][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   37.745421][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   37.745423][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.745425][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745427][    C3]  handle_softirqs (kernel/softirq.c:645)
[   37.745429][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.745430][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   37.745433][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   37.745434][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   37.745436][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   37.745438][    C3]  </IRQ>
[   37.745439][    C3]  <TASK>
[   37.745440][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.745441][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   37.745444][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   37.745447][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   37.745449][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   37.745453][    C3] RAX: 00000000000b2def RBX: ff11000001c88040 RCX: ffffffffa74f0307
[   37.745454][    C3] RDX: ff11000001c88040 RSI: ffffffffaa238b01 RDI: ffffffffa9c8d8e0
[   37.745455][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   37.745456][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   37.745456][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   37.745458][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.745461][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   37.745463][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   37.745465][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.745467][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   37.745468][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   37.745471][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.745473][    C3]  do_idle (kernel/sched/idle.c:355)
[   37.745474][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   37.745476][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   37.745478][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   37.745480][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   37.800125][    C3]
| [   37.800193][    C3]
| [   37.800193][    C3] stack backtrace:
| [   37.800421][    C3] Tainted: [W]=WARN
[   37.800422][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.800423][    C3] Call Trace:
[   37.800425][    C3]  <IRQ>
[   37.800426][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.800431][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   37.800434][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   37.800437][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   37.800439][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   37.800440][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   37.800443][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.800445][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.800451][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.800454][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.800456][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.800462][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   37.800464][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.800470][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.800477][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.800483][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   37.800485][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   37.800487][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   37.800491][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.800493][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.800494][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.800497][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   37.800498][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.800505][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   37.800507][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.800510][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.800512][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   37.800514][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   37.800516][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.800518][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.800520][    C3]  handle_softirqs (kernel/softirq.c:645)
[   37.800522][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.800523][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   37.800525][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   37.800527][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   37.800528][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   37.800530][    C3]  </IRQ>
[   37.800531][    C3]  <TASK>
[   37.800531][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.800533][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   37.800535][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   37.800537][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   37.800539][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   37.800541][    C3] RAX: 00000000000b2def RBX: ff11000001c88040 RCX: ffffffffa74f0307
[   37.800542][    C3] RDX: ff11000001c88040 RSI: ffffffffaa238b01 RDI: ffffffffa9c8d8e0
[   37.800543][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   37.800544][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   37.800545][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   37.800547][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.800549][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   37.800551][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   37.800553][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.800554][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   37.800556][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   37.800558][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.800560][    C3]  do_idle (kernel/sched/idle.c:355)
[   37.800562][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   37.800563][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   37.800565][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   37.800567][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   41.160754][  T413] softirqs last disabled at (0): 0x0
| [   41.160756][  T413] Preemption disabled at:
| [   41.160757][  T413] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.160768][  T413] Tainted: [W]=WARN
[   41.160769][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.160770][  T413] Call Trace:
[   41.160772][  T413]  <TASK>
[   41.160773][  T413]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.160779][  T413]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.160781][  T413]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.160785][  T413]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.160788][  T413]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   41.160791][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160795][  T413]  __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))
[   41.160797][  T413]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.160800][  T413]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.160804][  T413]  ? 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)
[   41.160806][  T413]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.160807][  T413]  put_chars (drivers/char/virtio_console.c:1176)
[   41.160809][  T413]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.160811][  T413]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   41.160813][  T413]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.160817][  T413]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.160818][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160820][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.160822][  T413]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.160824][  T413]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.160826][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160828][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160829][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160831][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.160833][  T413]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.160834][  T413]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.160836][  T413]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.160839][  T413]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.160841][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.160842][  T413]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.160844][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160845][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.160847][  T413]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.160848][  T413]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.160850][  T413]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.160852][  T413]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.160854][  T413]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.160856][  T413]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.160858][  T413]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.160861][  T413]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.160864][  T413]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.160865][  T413]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.160868][  T413]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.160869][  T413]  ? __sys_sendmsg (net/socket.c:2799)
[   41.160871][  T413]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.160874][  T413]  _printk (kernel/printk/printk.c:2504)
[   41.160878][  T413]  ? snapshot_read.cold (user.c:?)
[   41.160880][  T413]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.160883][  T413]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.160885][  T413]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.160886][  T413]  ? netdev_notice (net/core/dev.c:13194)
[   41.160888][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160890][  T413]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   41.160891][  T413]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   41.160894][  T413]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   41.160895][  T413]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.160898][  T413]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   41.160901][  T413]  dev_set_allmulti (net/core/dev_api.c:315)
[   41.160903][  T413] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   41.160915][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.160919][  T413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.160921][  T413] br_del_if (net/bridge/br_if.c:732) bridge
[   41.160928][  T413]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.160930][  T413]  do_set_master (net/core/rtnetlink.c:3055)
[   41.160933][  T413]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.160935][  T413]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.160938][  T413]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.160939][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160940][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.160944][  T413]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.160947][  T413]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.160948][  T413]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.160950][  T413]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.160951][  T413]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.160953][  T413]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.160954][  T413]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.160955][  T413]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.160956][  T413]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.160958][  T413]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.160959][  T413]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.160960][  T413]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.160961][  T413]  ? __sys_sendmsg (net/socket.c:2799)
[   41.160963][  T413]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.160964][  T413]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.160966][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160969][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.160971][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160973][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160975][  T413]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.160978][  T413]  ? __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)
[   41.160980][  T413]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.160982][  T413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.160985][  T413]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.160986][  T413]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.160989][  T413]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.160992][  T413]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.160995][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.160998][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.160999][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.161001][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161004][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.161006][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.161008][  T413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.161010][  T413]  ? __kernel_text_address (kernel/extable.c:79)
[   41.161012][  T413]  ? write_profile (profile.c:?)
[   41.161014][  T413]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.161017][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161020][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161022][  T413]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.161026][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.161027][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161029][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.161031][  T413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.161033][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.161035][  T413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.161036][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.161045][  T413]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.161047][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.161048][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.161049][  T413]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.161051][  T413]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.161053][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161055][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.161057][  T413]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.161059][  T413]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.161061][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161062][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161064][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.161066][  T413]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.161068][  T413]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.161069][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161071][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.161073][  T413]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.161075][  T413]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.161076][  T413]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.161078][  T413]  ? move_addr_to_kernel (net/socket.c:258)
[   41.161079][  T413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.161082][  T413]  ___sys_sendmsg (net/socket.c:2767)
[   41.161086][  T413]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.161090][  T413]  __sys_sendmsg (net/socket.c:2799)
[   41.161092][  T413]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.161095][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.161097][  T413]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.161098][  T413]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.161101][  T413]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.161103][  T413] RIP: 0033:0x7f6f1bf2054e
[   41.161105][  T413] 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
[   41.161107][  T413] RSP: 002b:00007ffce27de010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.161111][  T413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6f1bf2054e
[   41.161112][  T413] RDX: 0000000000000000 RSI: 00007ffce27de0c0 RDI: 0000000000000005
[   41.161113][  T413] RBP: 00007ffce27de020 R08: 0000000000000000 R09: 0000000000000000
[   41.161114][  T413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c75
[   41.161115][  T413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce27de780
| [   43.242141][  T416] softirqs last disabled at (0): 0x0
| [   43.242143][  T416] Preemption disabled at:
| [   43.242143][  T416] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.242154][  T416] Tainted: [W]=WARN
[   43.242155][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.242156][  T416] Call Trace:
[   43.242158][  T416]  <TASK>
[   43.242159][  T416]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.242165][  T416]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.242167][  T416]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.242170][  T416]  ? __module_address (kernel/module/main.c:3915)
[   43.242174][  T416]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.242177][  T416]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   43.242178][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242182][  T416]  __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))
[   43.242185][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.242187][  T416]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.242191][  T416]  ? 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)
[   43.242193][  T416]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.242195][  T416]  put_chars (drivers/char/virtio_console.c:1176)
[   43.242197][  T416]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   43.242198][  T416]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.242200][  T416]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.242202][  T416]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.242206][  T416]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.242207][  T416]  ? 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)
[   43.242208][  T416]  ? vsnprintf (lib/vsprintf.c:2900)
[   43.242212][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.242213][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242215][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.242217][  T416]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.242220][  T416]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.242222][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242223][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242225][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242227][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.242228][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.242230][  T416]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.242232][  T416]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.242235][  T416]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.242237][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.242238][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.242240][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242241][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.242243][  T416]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.242244][  T416]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.242246][  T416]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.242248][  T416]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.242250][  T416]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.242253][  T416]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.242255][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.242256][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.242258][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.242260][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242262][  T416]  _printk (kernel/printk/printk.c:2504)
[   43.242265][  T416]  ? snapshot_read.cold (user.c:?)
[   43.242267][  T416]  ? br_multicast_flood (??:?) bridge
[   43.242279][  T416]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.242282][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.242283][  T416]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.242285][  T416] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.242294][  T416] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   43.242301][  T416] new_nbp (net/bridge/br_if.c:449) bridge
[   43.242309][  T416] br_add_if (net/bridge/br_if.c:592) bridge
[   43.242315][  T416]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   43.242318][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.242320][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.242322][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   43.242324][  T416]  do_set_master (net/core/rtnetlink.c:3071)
[   43.242327][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.242329][  T416]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.242330][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.242331][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242333][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.242337][  T416]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.242340][  T416]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.242341][  T416]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.242343][  T416]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.242344][  T416]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.242346][  T416]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.242347][  T416]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.242348][  T416]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.242351][  T416]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.242352][  T416]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.242353][  T416]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.242355][  T416]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.242357][  T416]  ? __sys_sendmsg (net/socket.c:2799)
[   43.242358][  T416]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.242360][  T416]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.242363][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242365][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.242366][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242367][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242369][  T416]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.242372][  T416]  ? __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)
[   43.242374][  T416]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.242376][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.242377][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.242379][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.242381][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.242383][  T416]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.242385][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242386][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.242388][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.242389][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242391][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.242393][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.242394][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.242396][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   43.242397][  T416]  ? write_profile (profile.c:?)
[   43.242398][  T416]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.242401][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242402][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242404][  T416]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.242408][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.242409][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242411][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.242412][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.242414][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.242415][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.242416][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.242419][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.242420][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.242421][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.242423][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.242424][  T416]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.242427][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242429][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.242430][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.242432][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.242434][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242436][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242437][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.242439][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.242441][  T416]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.242443][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242445][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.242446][  T416]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.242448][  T416]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.242450][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.242451][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   43.242452][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.242455][  T416]  ___sys_sendmsg (net/socket.c:2767)
[   43.242457][  T416]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.242461][  T416]  __sys_sendmsg (net/socket.c:2799)
[   43.242463][  T416]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.242466][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.242468][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.242469][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.242471][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.242473][  T416] RIP: 0033:0x7fc0f51d154e
[   43.242475][  T416] 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
[   43.242478][  T416] RSP: 002b:00007ffee6f1a890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.242481][  T416] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc0f51d154e
[   43.242483][  T416] RDX: 0000000000000000 RSI: 00007ffee6f1a940 RDI: 0000000000000005
[   43.242484][  T416] RBP: 00007ffee6f1a8a0 R08: 0000000000000000 R09: 0000000000000000
[   43.242484][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c77
[   43.242485][  T416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee6f1b000
| [   45.527881][  T457] softirqs last disabled at (0): 0x0
| [   45.527883][  T457] Preemption disabled at:
| [   45.527884][  T457] 0x0
| [   45.527893][  T457] Tainted: [W]=WARN
[   45.527893][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.527895][  T457] Call Trace:
[   45.527897][  T457]  <TASK>
[   45.527898][  T457]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.527904][  T457]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.527908][  T457]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.527911][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.527915][  T457]  __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))
[   45.527919][  T457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.527921][  T457]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.527925][  T457]  ? 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)
[   45.527927][  T457]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.527929][  T457]  put_chars (drivers/char/virtio_console.c:1176)
[   45.527931][  T457]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.527933][  T457]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   45.527936][  T457]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.527939][  T457]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.527941][  T457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.527943][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.527945][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.527947][  T457]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.527949][  T457]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.527951][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.527953][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.527955][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.527956][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.527958][  T457]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.527960][  T457]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.527962][  T457]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.527965][  T457]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.527966][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.527968][  T457]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.527970][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.527971][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.527973][  T457]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.527974][  T457]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   45.527976][  T457]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.527978][  T457]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.527980][  T457]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.527983][  T457]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.527984][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.527986][  T457]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.527989][  T457]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   45.527990][  T457]  _printk (kernel/printk/printk.c:2504)
[   45.527994][  T457]  ? snapshot_read.cold (user.c:?)
[   45.527996][  T457]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   45.528000][  T457] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   45.528013][  T457] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   45.528021][  T457] br_device_event (net/bridge/br.c:111) bridge
[   45.528030][  T457]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   45.528033][  T457]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   45.528036][  T457]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   45.528039][  T457]  notifier_call_chain (kernel/notifier.c:85)
[   45.528043][  T457]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   45.528046][  T457]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.528048][  T457]  ? netif_change_name (net/core/dev.c:1517)
[   45.528050][  T457]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   45.528058][  T457]  ? __kernel_text_address (kernel/extable.c:79)
[   45.528061][  T457]  ? write_profile (profile.c:?)
[   45.528063][  T457]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.528066][  T457]  netif_change_flags (net/core/dev.c:9882)
[   45.528068][  T457]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   45.528071][  T457]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.528073][  T457]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.528074][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528075][  T457]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.528079][  T457]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.528082][  T457]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.528086][  T457]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.528088][  T457]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.528089][  T457]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   45.528091][  T457]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   45.528092][  T457]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.528093][  T457]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.528096][  T457]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.528097][  T457]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.528099][  T457]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.528101][  T457]  ? ___sys_sendmsg (net/socket.c:2767)
[   45.528103][  T457]  ? __sys_sendmsg (net/socket.c:2799)
[   45.528104][  T457]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.528106][  T457]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.528109][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528111][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.528112][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528114][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528115][  T457]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.528119][  T457]  ? __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)
[   45.528120][  T457]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.528121][  T457]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.528123][  T457]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.528125][  T457]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.528127][  T457]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.528129][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528131][  T457]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.528132][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.528133][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528135][  T457]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   45.528138][  T457]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.528140][  T457]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.528141][  T457]  ? __kernel_text_address (kernel/extable.c:79)
[   45.528143][  T457]  ? write_profile (profile.c:?)
[   45.528144][  T457]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.528145][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528147][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528148][  T457]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   45.528152][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.528153][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528155][  T457]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.528156][  T457]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.528158][  T457]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.528159][  T457]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.528161][  T457]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.528163][  T457]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.528165][  T457]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.528166][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.528168][  T457]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.528169][  T457]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   45.528171][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528173][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.528175][  T457]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.528177][  T457]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.528179][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528180][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528182][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.528184][  T457]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.528186][  T457]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.528188][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528189][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.528191][  T457]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.528193][  T457]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.528194][  T457]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.528196][  T457]  ? move_addr_to_kernel (net/socket.c:258)
[   45.528197][  T457]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.528200][  T457]  ___sys_sendmsg (net/socket.c:2767)
[   45.528202][  T457]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.528206][  T457]  __sys_sendmsg (net/socket.c:2799)
[   45.528208][  T457]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.528211][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.528213][  T457]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.528214][  T457]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.528216][  T457]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.528218][  T457] RIP: 0033:0x7f5af377a54e
[   45.528220][  T457] 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
[   45.528222][  T457] RSP: 002b:00007ffdd0e67a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.528226][  T457] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5af377a54e
[   45.528227][  T457] RDX: 0000000000000000 RSI: 00007ffdd0e67b30 RDI: 0000000000000005
[   45.528228][  T457] RBP: 00007ffdd0e67a90 R08: 0000000000000000 R09: 0000000000000000
[   45.528229][  T457] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c79


Finger prints:
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
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars