======================================
| [    9.854525][  T187] softirqs last disabled at (39693): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.854528][  T187] Preemption disabled at:
| [    9.854528][  T187] 0x0
| [    9.854538][  T187] Tainted: [W]=WARN
[    9.854539][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.854541][  T187] Call Trace:
[    9.854543][  T187]  <TASK>
[    9.854544][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.854550][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.854555][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.854560][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.854565][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.854567][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.854573][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.854576][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.854579][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.854582][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.854583][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.854588][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.854593][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.854599][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.854602][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.854604][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.854608][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.854612][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.854614][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.854617][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.854619][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.854623][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.854627][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.854629][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.854635][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.854637][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.854639][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.854642][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.854645][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.854647][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.854650][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.854654][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.854658][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.854661][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.854665][  T187]  ? snapshot_read.cold (user.c:?)
[    9.854668][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.854670][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.854674][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.854677][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.854681][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.854683][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.854685][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.854690][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.854692][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.854694][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.854697][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.854700][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.854703][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.854705][  T187] RIP: 0033:0x7f30e7c751b8
[    9.854707][  T187] Code: Unable to access opcode bytes at 0x7f30e7c7518e.

Code starting with the faulting instruction
===========================================
[    9.854709][  T187] RSP: 002b:00007ffc2682f7e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.854711][  T187] RAX: ffffffffffffffda RBX: 00007f30e7da5f88 RCX: 00007f30e7c751b8
[    9.854712][  T187] RDX: 00007f30e79bffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.854713][  T187] RBP: 00007ffc2682f840 R08: 0000000000000000 R09: 0000000000008010
[    9.854714][  T187] R10: 00007ffc2682f600 R11: 0000000000000246 R12: 0000000000000001
[    9.854715][  T187] R13: 0000000000000000 R14: 00007f30e7da4680 R15: 00007f30e7da5fa0
| [   11.712376][  T266] softirqs last disabled at (15794): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.712379][  T266] Preemption disabled at:
| [   11.712380][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.712389][  T266] Tainted: [W]=WARN
[   11.712390][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.712391][  T266] Call Trace:
[   11.712393][  T266]  <TASK>
[   11.712395][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.712400][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.712402][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.712407][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.712411][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.712417][  T266]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.712419][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.712425][  T266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.712428][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.712431][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   11.712434][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.712438][  T266]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.712442][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.712445][  T266]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.712446][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.712448][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.712452][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.712454][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.712457][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.712461][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.712466][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.712469][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.712471][  T266]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.712474][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.712477][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.712481][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.712485][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.712487][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.712492][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.712495][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.712497][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.712499][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.712503][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.712505][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.712508][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.712512][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.712515][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.712516][  T266]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.712521][  T266]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.712524][  T266]  _printk (kernel/printk/printk.c:2504)
[   11.712528][  T266]  ? snapshot_read.cold (user.c:?)
[   11.712532][  T266]  ? br_multicast_flood (??:?) bridge
[   11.712545][  T266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.712546][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.712547][  T266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.712552][  T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.712563][  T266] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.712571][  T266] new_nbp (net/bridge/br_if.c:449) bridge
[   11.712581][  T266] br_add_if (net/bridge/br_if.c:592) bridge
[   11.712588][  T266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.712592][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.712595][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   11.712599][  T266]  do_set_master (net/core/rtnetlink.c:3071)
[   11.712604][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.712607][  T266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.712610][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.712612][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.712614][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.712618][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.712621][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.712623][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.712625][  T266]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.712628][  T266]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.712630][  T266]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.712633][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.712635][  T266]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.712638][  T266]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.712643][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.712645][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.712648][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.712650][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.712652][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.712654][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.712656][  T266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.712660][  T266]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.712662][  T266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.712664][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.712668][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.712670][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.712675][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.712680][  T266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.712685][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.712687][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.712692][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.712694][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.712696][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.712698][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.712701][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.712704][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.712707][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.712708][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.712713][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.712714][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.712718][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.712720][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.712723][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.712729][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.712730][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.712735][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.712739][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.712741][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.712746][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.712749][  T266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.712753][  T266]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.712759][  T266]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.712761][  T266]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.712764][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.712765][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   11.712773][  T266]  ___sys_sendmsg (net/socket.c:2767)
[   11.712776][  T266]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.712791][  T266]  __sys_sendmsg (net/socket.c:2799)
[   11.712795][  T266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.712801][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.712805][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.712807][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.712810][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.712812][  T266] RIP: 0033:0x7f6fcf7ed54e
[   11.712816][  T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.712818][  T266] RSP: 002b:00007ffe45920410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.712821][  T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6fcf7ed54e
[   11.712822][  T266] RDX: 0000000000000000 RSI: 00007ffe459204c0 RDI: 0000000000000005
[   11.712823][  T266] RBP: 00007ffe45920420 R08: 0000000000000000 R09: 0000000000000000
[   11.712824][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ba7
[   11.712825][  T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe45920b80
| [   18.727323][  T347] softirqs last disabled at (14252): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   18.727331][  T347] Preemption disabled at:
| [   18.727332][  T347] 0x0
| [   18.727342][  T347] Tainted: [W]=WARN
[   18.727343][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.727344][  T347] Call Trace:
[   18.727346][  T347]  <TASK>
[   18.727347][  T347]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.727354][  T347]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.727359][  T347]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.727363][  T347]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.727369][  T347]  __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))
[   18.727371][  T347]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.727377][  T347]  ? 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)
[   18.727380][  T347]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.727383][  T347]  put_chars (drivers/char/virtio_console.c:1176)
[   18.727386][  T347]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.727387][  T347]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.727391][  T347]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   18.727395][  T347]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.727398][  T347]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.727400][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.727401][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.727405][  T347]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.727407][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.727411][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.727415][  T347]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.727419][  T347]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.727421][  T347]  ? 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))
[   18.727424][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.727428][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.727432][  T347]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.727436][  T347]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.727438][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.727447][  T347]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.727452][  T347]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.727454][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.727457][  T347]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.727461][  T347]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.727462][  T347]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.727466][  T347]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.727470][  T347]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.727472][  T347]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.727474][  T347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.727477][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.727481][  T347]  _printk (kernel/printk/printk.c:2504)
[   18.727485][  T347]  ? snapshot_read.cold (user.c:?)
[   18.727493][  T347] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.727504][  T347] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   18.727513][  T347] br_device_event (net/bridge/br.c:111) bridge
[   18.727521][  T347]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.727525][  T347]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.727531][  T347]  notifier_call_chain (kernel/notifier.c:85)
[   18.727537][  T347]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   18.727542][  T347]  ? netif_change_name (net/core/dev.c:1517)
[   18.727546][  T347]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   18.727549][  T347]  ? __kernel_text_address (kernel/extable.c:79)
[   18.727551][  T347]  ? write_profile (profile.c:?)
[   18.727554][  T347]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.727558][  T347]  netif_change_flags (net/core/dev.c:9882)
[   18.727562][  T347]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.727566][  T347]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.727568][  T347]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.727570][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.727571][  T347]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.727575][  T347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.727578][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.727580][  T347]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.727582][  T347]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.727586][  T347]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.727587][  T347]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.727590][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.727592][  T347]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.727595][  T347]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.727600][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.727602][  T347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.727605][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.727607][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.727609][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.727610][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.727613][  T347]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.727617][  T347]  ? __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)
[   18.727619][  T347]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.727622][  T347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.727628][  T347]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.727635][  T347]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.727640][  T347]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.727646][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.727648][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.727652][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.727654][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.727656][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.727658][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.727662][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.727664][  T347]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.727667][  T347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.727668][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.727673][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.727675][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.727678][  T347]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.727680][  T347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.727683][  T347]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.727692][  T347]  ? 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))
[   18.727694][  T347]  ? 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))
[   18.727700][  T347]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.727704][  T347]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.727706][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.727711][  T347]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.727715][  T347]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.727718][  T347]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.727724][  T347]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.727727][  T347]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.727729][  T347]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.727731][  T347]  ? move_addr_to_kernel (net/socket.c:258)
[   18.727740][  T347]  ___sys_sendmsg (net/socket.c:2767)
[   18.727745][  T347]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.727762][  T347]  __sys_sendmsg (net/socket.c:2799)
[   18.727765][  T347]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.727771][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.727775][  T347]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.727777][  T347]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.727780][  T347]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.727782][  T347] RIP: 0033:0x7f328329d54e
[   18.727785][  T347] 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
[   18.727787][  T347] RSP: 002b:00007ffdf956d4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.727790][  T347] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f328329d54e
[   18.727791][  T347] RDX: 0000000000000000 RSI: 00007ffdf956d570 RDI: 0000000000000005
[   18.727792][  T347] RBP: 00007ffdf956d4d0 R08: 0000000000000000 R09: 0000000000000000
[   18.727793][  T347] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bae
[   18.727794][  T347] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf956dc30
| [   24.007094][  T356] softirqs last disabled at (14084): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   24.007103][  T356] Preemption disabled at:
| [   24.007104][  T356] 0x0
| [   24.007116][  T356] Tainted: [W]=WARN
[   24.007117][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.007118][  T356] Call Trace:
[   24.007120][  T356]  <TASK>
[   24.007122][  T356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.007129][  T356]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.007134][  T356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.007138][  T356]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.007144][  T356]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.007146][  T356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.007155][  T356]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.007158][  T356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.007162][  T356]  put_chars (drivers/char/virtio_console.c:1176)
[   24.007164][  T356]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.007166][  T356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.007169][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.007173][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.007177][  T356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.007180][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007182][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007186][  T356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.007188][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.007191][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007194][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.007201][  T356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.007207][  T356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.007209][  T356]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.007212][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007215][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.007219][  T356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.007223][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.007225][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007230][  T356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.007233][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.007235][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007238][  T356]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.007242][  T356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.007243][  T356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.007247][  T356]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.007251][  T356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.007255][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.007260][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.007265][  T356]  _printk (kernel/printk/printk.c:2504)
[   24.007269][  T356]  ? snapshot_read.cold (user.c:?)
[   24.007277][  T356] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.007287][  T356] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   24.007296][  T356] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   24.007312][  T356] br_dev_stop (net/bridge/br_device.c:193) bridge
[   24.007327][  T356]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.007330][  T356]  __dev_close_many (net/core/dev.c:1798)
[   24.007334][  T356]  ? netif_open (net/core/dev.c:1755)
[   24.007336][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.007339][  T356]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.007343][  T356]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   24.007347][  T356]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   24.007350][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   24.007352][  T356]  ? write_profile (profile.c:?)
[   24.007355][  T356]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.007360][  T356]  netif_change_flags (net/core/dev.c:9877)
[   24.007366][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.007371][  T356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.007374][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.007375][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.007377][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.007381][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.007383][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.007385][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.007388][  T356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.007391][  T356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.007393][  T356]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.007396][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007398][  T356]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   24.007400][  T356]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.007405][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.007407][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.007411][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007415][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.007418][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007420][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007423][  T356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.007427][  T356]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   24.007430][  T356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.007432][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.007436][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.007441][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.007447][  T356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.007452][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.007454][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007461][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.007464][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.007467][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.007470][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.007475][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.007477][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.007481][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.007482][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007487][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.007488][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.007492][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.007494][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.007497][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.007503][  T356]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.007505][  T356]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.007509][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.007515][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.007520][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.007525][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.007529][  T356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.007533][  T356]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.007538][  T356]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.007541][  T356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.007543][  T356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.007545][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   24.007552][  T356]  ___sys_sendmsg (net/socket.c:2767)
[   24.007555][  T356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.007577][  T356]  __sys_sendmsg (net/socket.c:2799)
[   24.007580][  T356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.007586][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.007590][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.007593][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.007596][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.007598][  T356] RIP: 0033:0x7fd9b98e254e
[   24.007601][  T356] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.007602][  T356] RSP: 002b:00007fffc6fa7780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.007606][  T356] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd9b98e254e
[   24.007608][  T356] RDX: 0000000000000000 RSI: 00007fffc6fa7830 RDI: 0000000000000005
[   24.007609][  T356] RBP: 00007fffc6fa7790 R08: 0000000000000000 R09: 0000000000000000
[   24.007611][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bb3
[   24.007612][  T356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc6fa7ef0
| [   29.997468][  T391] softirqs last disabled at (13908): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   29.997476][  T391] Preemption disabled at:
| [   29.997477][  T391] 0x0
| [   29.997488][  T391] Tainted: [W]=WARN
[   29.997489][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.997490][  T391] Call Trace:
[   29.997492][  T391]  <TASK>
[   29.997495][  T391]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.997504][  T391]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.997509][  T391]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.997514][  T391]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.997519][  T391]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.997522][  T391]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.997527][  T391]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.997530][  T391]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.997533][  T391]  put_chars (drivers/char/virtio_console.c:1176)
[   29.997535][  T391]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.997537][  T391]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.997541][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.997544][  T391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.997549][  T391]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.997552][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.997553][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.997558][  T391]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.997559][  T391]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.997563][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.997566][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.997574][  T391]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.997579][  T391]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.997580][  T391]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.997584][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.997586][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.997591][  T391]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.997595][  T391]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.997597][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.997602][  T391]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.997605][  T391]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.997607][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.997609][  T391]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.997613][  T391]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.997615][  T391]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.997618][  T391]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.997623][  T391]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.997626][  T391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.997629][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.997632][  T391]  _printk (kernel/printk/printk.c:2504)
[   29.997637][  T391]  ? snapshot_read.cold (user.c:?)
[   29.997649][  T391] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.997662][  T391] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.997671][  T391] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   29.997679][  T391] br_dev_stop (net/bridge/br_device.c:193) bridge
[   29.997689][  T391]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.997692][  T391]  __dev_close_many (net/core/dev.c:1798)
[   29.997698][  T391]  ? netif_open (net/core/dev.c:1755)
[   29.997703][  T391]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   29.997708][  T391]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   29.997712][  T391]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.997715][  T391]  ? __kernel_text_address (kernel/extable.c:79)
[   29.997717][  T391]  ? write_profile (profile.c:?)
[   29.997720][  T391]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.997725][  T391]  netif_change_flags (net/core/dev.c:9877)
[   29.997729][  T391]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.997732][  T391]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.997735][  T391]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.997736][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.997738][  T391]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.997742][  T391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.997745][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.997748][  T391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.997753][  T391]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.997756][  T391]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.997758][  T391]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.997761][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.997763][  T391]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   29.997766][  T391]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.997771][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.997773][  T391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.997776][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.997778][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.997780][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.997782][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.997784][  T391]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.997788][  T391]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.997792][  T391]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.997794][  T391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.997799][  T391]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.997807][  T391]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.997813][  T391]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.997818][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.997820][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.997825][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.997827][  T391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.997829][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.997831][  T391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.997835][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.997837][  T391]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.997840][  T391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.997842][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.997846][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.997848][  T391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.997852][  T391]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.997854][  T391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.997857][  T391]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.997863][  T391]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.997865][  T391]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.997872][  T391]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.997877][  T391]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.997879][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.997884][  T391]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.997888][  T391]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.997892][  T391]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.997898][  T391]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.997900][  T391]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.997902][  T391]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.997904][  T391]  ? move_addr_to_kernel (net/socket.c:258)
[   29.997912][  T391]  ___sys_sendmsg (net/socket.c:2767)
[   29.997915][  T391]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.997939][  T391]  __sys_sendmsg (net/socket.c:2799)
[   29.997942][  T391]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.997950][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.997956][  T391]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.997959][  T391]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.997964][  T391]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.997968][  T391] RIP: 0033:0x7fe7414cd54e
[   29.997970][  T391] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.997972][  T391] RSP: 002b:00007ffcd5171500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.997975][  T391] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe7414cd54e
[   29.997977][  T391] RDX: 0000000000000000 RSI: 00007ffcd51715b0 RDI: 0000000000000005
[   29.997978][  T391] RBP: 00007ffcd5171510 R08: 0000000000000000 R09: 0000000000000000
[   29.997980][  T391] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bb9
[   29.997982][  T391] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd5171c70
| [   36.539128][  T692] softirqs last disabled at (14244): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   36.539137][  T692] Preemption disabled at:
| [   36.539138][  T692] 0x0
| [   36.539151][  T692] Tainted: [W]=WARN
[   36.539152][  T692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.539154][  T692] Call Trace:
[   36.539156][  T692]  <TASK>
[   36.539158][  T692]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.539164][  T692]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.539169][  T692]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.539173][  T692]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.539179][  T692]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   36.539182][  T692]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.539190][  T692]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.539194][  T692]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.539199][  T692]  put_chars (drivers/char/virtio_console.c:1176)
[   36.539203][  T692]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.539206][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.539211][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.539213][  T692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.539217][  T692]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.539220][  T692]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.539222][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.539223][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.539228][  T692]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.539229][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.539233][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.539237][  T692]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.539243][  T692]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.539246][  T692]  ? 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))
[   36.539250][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.539253][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.539258][  T692]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.539264][  T692]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.539266][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.539272][  T692]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.539275][  T692]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.539277][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.539279][  T692]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.539283][  T692]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.539285][  T692]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.539288][  T692]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.539292][  T692]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.539295][  T692]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.539299][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.539302][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.539309][  T692]  _printk (kernel/printk/printk.c:2504)
[   36.539316][  T692]  ? snapshot_read.cold (user.c:?)
[   36.539324][  T692] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   36.539336][  T692] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   36.539349][  T692] br_device_event (net/bridge/br.c:111) bridge
[   36.539361][  T692]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.539365][  T692]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   36.539371][  T692]  notifier_call_chain (kernel/notifier.c:85)
[   36.539385][  T692]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.539390][  T692]  ? netif_change_name (net/core/dev.c:1517)
[   36.539394][  T692]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   36.539399][  T692]  ? __kernel_text_address (kernel/extable.c:79)
[   36.539403][  T692]  ? write_profile (profile.c:?)
[   36.539406][  T692]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.539411][  T692]  netif_change_flags (net/core/dev.c:9882)
[   36.539415][  T692]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.539421][  T692]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.539424][  T692]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.539426][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.539428][  T692]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.539432][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.539435][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.539437][  T692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.539440][  T692]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.539443][  T692]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.539444][  T692]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.539448][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.539450][  T692]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   36.539455][  T692]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.539460][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.539462][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.539465][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.539467][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.539470][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.539472][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.539476][  T692]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.539480][  T692]  ? __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)
[   36.539482][  T692]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.539484][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.539487][  T692]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.539493][  T692]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.539502][  T692]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.539507][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.539509][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.539514][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.539516][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.539518][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.539520][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.539524][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.539528][  T692]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.539533][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.539534][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.539541][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.539544][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.539548][  T692]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.539550][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.539553][  T692]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.539559][  T692]  ? 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))
[   36.539561][  T692]  ? 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))
[   36.539566][  T692]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.539569][  T692]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.539572][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.539580][  T692]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.539584][  T692]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.539588][  T692]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.539594][  T692]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.539596][  T692]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.539599][  T692]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.539600][  T692]  ? move_addr_to_kernel (net/socket.c:258)
[   36.539608][  T692]  ___sys_sendmsg (net/socket.c:2767)
[   36.539611][  T692]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.539631][  T692]  __sys_sendmsg (net/socket.c:2799)
[   36.539635][  T692]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.539642][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.539645][  T692]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.539648][  T692]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.539651][  T692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.539654][  T692] RIP: 0033:0x7f1ebb9d154e
[   36.539656][  T692] 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
[   36.539658][  T692] RSP: 002b:00007ffea8bd9100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.539661][  T692] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1ebb9d154e
[   36.539662][  T692] RDX: 0000000000000000 RSI: 00007ffea8bd91b0 RDI: 0000000000000005
[   36.539663][  T692] RBP: 00007ffea8bd9110 R08: 0000000000000000 R09: 0000000000000000
[   36.539664][  T692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bbf
[   36.539665][  T692] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea8bd9870
| [   41.808784][  T701] softirqs last disabled at (12790): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   41.808792][  T701] Preemption disabled at:
| [   41.808793][  T701] 0x0
| [   41.808804][  T701] Tainted: [W]=WARN
[   41.808805][  T701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.808807][  T701] Call Trace:
[   41.808809][  T701]  <TASK>
[   41.808810][  T701]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.808817][  T701]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.808821][  T701]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.808826][  T701]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.808832][  T701]  __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))
[   41.808836][  T701]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.808845][  T701]  ? 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)
[   41.808848][  T701]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.808853][  T701]  put_chars (drivers/char/virtio_console.c:1176)
[   41.808856][  T701]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   41.808858][  T701]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.808861][  T701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.808865][  T701]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.808870][  T701]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.808872][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.808874][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.808879][  T701]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.808880][  T701]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   41.808883][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.808886][  T701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.808890][  T701]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.808896][  T701]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.808899][  T701]  ? 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))
[   41.808904][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.808906][  T701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.808910][  T701]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.808915][  T701]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.808917][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.808922][  T701]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.808925][  T701]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.808927][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.808929][  T701]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.808933][  T701]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.808935][  T701]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.808938][  T701]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.808943][  T701]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.808946][  T701]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.808949][  T701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.808952][  T701]  _printk (kernel/printk/printk.c:2504)
[   41.808956][  T701]  ? snapshot_read.cold (user.c:?)
[   41.808964][  T701] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   41.808979][  T701] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   41.808989][  T701] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   41.808997][  T701] br_dev_stop (net/bridge/br_device.c:193) bridge
[   41.809006][  T701]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.809009][  T701]  __dev_close_many (net/core/dev.c:1798)
[   41.809013][  T701]  ? netif_open (net/core/dev.c:1755)
[   41.809015][  T701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.809018][  T701]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.809022][  T701]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.809026][  T701]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   41.809029][  T701]  ? __kernel_text_address (kernel/extable.c:79)
[   41.809032][  T701]  ? write_profile (profile.c:?)
[   41.809036][  T701]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.809042][  T701]  netif_change_flags (net/core/dev.c:9877)
[   41.809046][  T701]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.809049][  T701]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.809051][  T701]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.809053][  T701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.809054][  T701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.809058][  T701]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.809061][  T701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.809063][  T701]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.809065][  T701]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.809068][  T701]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.809070][  T701]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.809073][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.809075][  T701]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   41.809077][  T701]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.809082][  T701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.809084][  T701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.809087][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.809089][  T701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.809092][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.809095][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.809098][  T701]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.809103][  T701]  ? __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)
[   41.809106][  T701]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.809108][  T701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.809111][  T701]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.809117][  T701]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.809122][  T701]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.809128][  T701]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.809130][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.809134][  T701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.809136][  T701]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.809139][  T701]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.809141][  T701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.809144][  T701]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.809147][  T701]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.809150][  T701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.809151][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.809156][  T701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.809158][  T701]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.809161][  T701]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.809163][  T701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.809166][  T701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.809175][  T701]  ? 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))
[   41.809178][  T701]  ? 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))
[   41.809183][  T701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.809187][  T701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.809190][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.809194][  T701]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.809198][  T701]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.809202][  T701]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.809207][  T701]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.809210][  T701]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.809212][  T701]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.809214][  T701]  ? move_addr_to_kernel (net/socket.c:258)
[   41.809221][  T701]  ___sys_sendmsg (net/socket.c:2767)
[   41.809224][  T701]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.809246][  T701]  __sys_sendmsg (net/socket.c:2799)
[   41.809249][  T701]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.809255][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.809259][  T701]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.809261][  T701]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.809265][  T701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.809267][  T701] RIP: 0033:0x7fbd2b4c254e
[   41.809269][  T701] 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
[   41.809271][  T701] RSP: 002b:00007ffc1a563c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.809274][  T701] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd2b4c254e
[   41.809276][  T701] RDX: 0000000000000000 RSI: 00007ffc1a563ce0 RDI: 0000000000000005
[   41.809277][  T701] RBP: 00007ffc1a563c40 R08: 0000000000000000 R09: 0000000000000000
[   41.809277][  T701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bc5
[   41.809278][  T701] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1a5643a0
| [   47.786688][  T736] softirqs last disabled at (12618): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   47.786696][  T736] Preemption disabled at:
| [   47.786697][  T736] 0x0
| [   47.786710][  T736] Tainted: [W]=WARN
[   47.786712][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.786714][  T736] Call Trace:
[   47.786716][  T736]  <TASK>
[   47.786717][  T736]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.786724][  T736]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.786728][  T736]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.786732][  T736]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.786737][  T736]  __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))
[   47.786740][  T736]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.786745][  T736]  ? 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)
[   47.786748][  T736]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.786753][  T736]  put_chars (drivers/char/virtio_console.c:1176)
[   47.786756][  T736]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   47.786759][  T736]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.786762][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.786766][  T736]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.786770][  T736]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.786773][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.786774][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.786779][  T736]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.786780][  T736]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   47.786784][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.786786][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.786790][  T736]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.786794][  T736]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.786796][  T736]  ? 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))
[   47.786800][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.786802][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.786806][  T736]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.786811][  T736]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.786814][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.786820][  T736]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.786823][  T736]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.786825][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.786827][  T736]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.786831][  T736]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.786833][  T736]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.786836][  T736]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.786841][  T736]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.786844][  T736]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.786846][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.786850][  T736]  _printk (kernel/printk/printk.c:2504)
[   47.786854][  T736]  ? snapshot_read.cold (user.c:?)
[   47.786864][  T736] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   47.786877][  T736] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   47.786886][  T736] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   47.786893][  T736] br_dev_stop (net/bridge/br_device.c:193) bridge
[   47.786903][  T736]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.786905][  T736]  __dev_close_many (net/core/dev.c:1798)
[   47.786909][  T736]  ? netif_open (net/core/dev.c:1755)
[   47.786911][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.786914][  T736]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.786918][  T736]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   47.786922][  T736]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   47.786925][  T736]  ? __kernel_text_address (kernel/extable.c:79)
[   47.786927][  T736]  ? write_profile (profile.c:?)
[   47.786929][  T736]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.786936][  T736]  netif_change_flags (net/core/dev.c:9877)
[   47.786941][  T736]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   47.786945][  T736]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.786947][  T736]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.786948][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.786950][  T736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.786954][  T736]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.786957][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.786958][  T736]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.786961][  T736]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.786964][  T736]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.786966][  T736]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.786969][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.786970][  T736]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   47.786973][  T736]  ? ___sys_sendmsg (net/socket.c:2757)
[   47.786978][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.786980][  T736]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.786983][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.786985][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.786987][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.786989][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.786991][  T736]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.786995][  T736]  ? __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)
[   47.786998][  T736]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.787000][  T736]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.787003][  T736]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.787009][  T736]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.787014][  T736]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.787020][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.787022][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.787026][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.787028][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.787030][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.787032][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.787036][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.787038][  T736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.787041][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.787043][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.787047][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.787049][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.787052][  T736]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.787054][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.787057][  T736]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.787063][  T736]  ? 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))
[   47.787065][  T736]  ? 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))
[   47.787069][  T736]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.787073][  T736]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.787076][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.787080][  T736]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.787084][  T736]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.787088][  T736]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.787093][  T736]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.787096][  T736]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.787098][  T736]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.787100][  T736]  ? move_addr_to_kernel (net/socket.c:258)
[   47.787107][  T736]  ___sys_sendmsg (net/socket.c:2767)
[   47.787110][  T736]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.787126][  T736]  __sys_sendmsg (net/socket.c:2799)
[   47.787129][  T736]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.787135][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.787139][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.787142][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.787145][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.787147][  T736] RIP: 0033:0x7f395c58e54e
[   47.787150][  T736] 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
[   47.787151][  T736] RSP: 002b:00007ffe98330a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.787154][  T736] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f395c58e54e
[   47.787156][  T736] RDX: 0000000000000000 RSI: 00007ffe98330b10 RDI: 0000000000000005
[   47.787157][  T736] RBP: 00007ffe98330a70 R08: 0000000000000000 R09: 0000000000000000
[   47.787158][  T736] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bcb
[   47.787158][  T736] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe983311d0
| [   50.594525][  T852] softirqs last disabled at (22046): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   50.594537][  T852] Preemption disabled at:
| [   50.594537][  T852] 0x0
| [   50.594550][  T852] Tainted: [W]=WARN
[   50.594551][  T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.594553][  T852] Call Trace:
[   50.594554][  T852]  <TASK>
[   50.594556][  T852]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.594563][  T852]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.594567][  T852]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.594572][  T852]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.594577][  T852]  __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))
[   50.594581][  T852]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.594590][  T852]  ? 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)
[   50.594594][  T852]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.594597][  T852]  put_chars (drivers/char/virtio_console.c:1176)
[   50.594600][  T852]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.594603][  T852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.594608][  T852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.594610][  T852]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.594614][  T852]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.594617][  T852]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.594619][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.594620][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.594625][  T852]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.594626][  T852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.594632][  T852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.594640][  T852]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.594646][  T852]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.594648][  T852]  ? 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))
[   50.594651][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.594654][  T852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.594658][  T852]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.594662][  T852]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.594664][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.594669][  T852]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.594672][  T852]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.594674][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.594677][  T852]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.594683][  T852]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.594686][  T852]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.594689][  T852]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.594694][  T852]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.594696][  T852]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.594698][  T852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.594701][  T852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.594705][  T852]  _printk (kernel/printk/printk.c:2504)
[   50.594709][  T852]  ? snapshot_read.cold (user.c:?)
[   50.594717][  T852] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   50.594728][  T852] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   50.594742][  T852] br_device_event (net/bridge/br.c:111) bridge
[   50.594749][  T852]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   50.594754][  T852]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   50.594760][  T852]  notifier_call_chain (kernel/notifier.c:85)
[   50.594766][  T852]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   50.594771][  T852]  ? netif_change_name (net/core/dev.c:1517)
[   50.594775][  T852]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   50.594778][  T852]  ? __kernel_text_address (kernel/extable.c:79)
[   50.594781][  T852]  ? write_profile (profile.c:?)
[   50.594785][  T852]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.594790][  T852]  netif_change_flags (net/core/dev.c:9882)
[   50.594794][  T852]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   50.594798][  T852]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.594800][  T852]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.594802][  T852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.594804][  T852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.594808][  T852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.594811][  T852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.594812][  T852]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.594815][  T852]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.594818][  T852]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.594820][  T852]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.594823][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.594825][  T852]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   50.594829][  T852]  ? ___sys_sendmsg (net/socket.c:2757)
[   50.594836][  T852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.594838][  T852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.594843][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.594847][  T852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.594848][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.594850][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.594853][  T852]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.594857][  T852]  ? __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)
[   50.594859][  T852]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.594861][  T852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.594865][  T852]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.594870][  T852]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.594878][  T852]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.594885][  T852]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.594887][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.594892][  T852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.594893][  T852]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.594896][  T852]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.594898][  T852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.594902][  T852]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.594904][  T852]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.594909][  T852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.594911][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.594917][  T852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.594919][  T852]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.594922][  T852]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.594924][  T852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.594927][  T852]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.594934][  T852]  ? 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))
[   50.594935][  T852]  ? 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))
[   50.594940][  T852]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.594944][  T852]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.594946][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.594951][  T852]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.594955][  T852]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.594960][  T852]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.594967][  T852]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.594970][  T852]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.594972][  T852]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.594974][  T852]  ? move_addr_to_kernel (net/socket.c:258)
[   50.594981][  T852]  ___sys_sendmsg (net/socket.c:2767)
[   50.594984][  T852]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.595001][  T852]  __sys_sendmsg (net/socket.c:2799)
[   50.595004][  T852]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.595010][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.595014][  T852]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.595016][  T852]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.595020][  T852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.595022][  T852] RIP: 0033:0x7f49416f454e
[   50.595024][  T852] 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
[   50.595026][  T852] RSP: 002b:00007fff62997f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.595029][  T852] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f49416f454e
[   50.595031][  T852] RDX: 0000000000000000 RSI: 00007fff62998010 RDI: 0000000000000005
[   50.595032][  T852] RBP: 00007fff62997f70 R08: 0000000000000000 R09: 0000000000000000
[   50.595032][  T852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bcd
[   50.595033][  T852] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff629986d0
| [   55.860242][  T861] softirqs last disabled at (15052): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   55.860250][  T861] Preemption disabled at:
| [   55.860251][  T861] 0x0
| [   55.860262][  T861] Tainted: [W]=WARN
[   55.860264][  T861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.860266][  T861] Call Trace:
[   55.860269][  T861]  <TASK>
[   55.860270][  T861]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.860277][  T861]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.860282][  T861]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.860286][  T861]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.860291][  T861]  __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))
[   55.860294][  T861]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.860299][  T861]  ? 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)
[   55.860302][  T861]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.860306][  T861]  put_chars (drivers/char/virtio_console.c:1176)
[   55.860308][  T861]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   55.860310][  T861]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.860318][  T861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.860322][  T861]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.860327][  T861]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.860329][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.860331][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.860336][  T861]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.860337][  T861]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   55.860340][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.860343][  T861]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.860348][  T861]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.860352][  T861]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.860353][  T861]  ? 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))
[   55.860357][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.860359][  T861]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.860363][  T861]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.860367][  T861]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.860369][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.860375][  T861]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.860377][  T861]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.860379][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.860382][  T861]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.860385][  T861]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.860388][  T861]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.860393][  T861]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.860398][  T861]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.860401][  T861]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.860404][  T861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.860408][  T861]  _printk (kernel/printk/printk.c:2504)
[   55.860412][  T861]  ? snapshot_read.cold (user.c:?)
[   55.860424][  T861] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.860435][  T861] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   55.860447][  T861] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   55.860457][  T861] br_dev_stop (net/bridge/br_device.c:193) bridge
[   55.860467][  T861]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.860470][  T861]  __dev_close_many (net/core/dev.c:1798)
[   55.860474][  T861]  ? netif_open (net/core/dev.c:1755)
[   55.860476][  T861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.860478][  T861]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.860483][  T861]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   55.860486][  T861]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   55.860497][  T861]  ? __kernel_text_address (kernel/extable.c:79)
[   55.860499][  T861]  ? write_profile (profile.c:?)
[   55.860502][  T861]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.860510][  T861]  netif_change_flags (net/core/dev.c:9877)
[   55.860515][  T861]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   55.860520][  T861]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.860523][  T861]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.860525][  T861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.860527][  T861]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.860531][  T861]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.860533][  T861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.860535][  T861]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.860538][  T861]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.860541][  T861]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.860542][  T861]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.860545][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.860547][  T861]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   55.860550][  T861]  ? ___sys_sendmsg (net/socket.c:2757)
[   55.860555][  T861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.860557][  T861]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.860559][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.860562][  T861]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.860563][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.860565][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.860569][  T861]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.860575][  T861]  ? __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)
[   55.860578][  T861]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.860580][  T861]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.860584][  T861]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.860594][  T861]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.860599][  T861]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.860605][  T861]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.860607][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.860611][  T861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.860613][  T861]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.860615][  T861]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.860617][  T861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.860621][  T861]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.860623][  T861]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.860627][  T861]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.860628][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.860633][  T861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.860634][  T861]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.860639][  T861]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.860641][  T861]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.860646][  T861]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.860655][  T861]  ? 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))
[   55.860657][  T861]  ? 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))
[   55.860662][  T861]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.860666][  T861]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.860669][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.860673][  T861]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.860677][  T861]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.860681][  T861]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.860687][  T861]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.860689][  T861]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.860692][  T861]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.860693][  T861]  ? move_addr_to_kernel (net/socket.c:258)
[   55.860701][  T861]  ___sys_sendmsg (net/socket.c:2767)
[   55.860704][  T861]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.860724][  T861]  __sys_sendmsg (net/socket.c:2799)
[   55.860728][  T861]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.860734][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.860738][  T861]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.860740][  T861]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.860743][  T861]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.860746][  T861] RIP: 0033:0x7f7f4dec554e
[   55.860748][  T861] 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
[   55.860750][  T861] RSP: 002b:00007ffdd6ba44c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.860753][  T861] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7f4dec554e
[   55.860754][  T861] RDX: 0000000000000000 RSI: 00007ffdd6ba4570 RDI: 0000000000000005
[   55.860755][  T861] RBP: 00007ffdd6ba44d0 R08: 0000000000000000 R09: 0000000000000000
[   55.860756][  T861] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bd3
[   55.860757][  T861] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd6ba4c30
| [   56.874944][  T901] softirqs last disabled at (22538): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.874947][  T901] Preemption disabled at:
| [   56.874947][  T901] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.874959][  T901] Tainted: [W]=WARN
[   56.874960][  T901] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.874963][  T901] Call Trace:
[   56.874964][  T901]  <TASK>
[   56.874966][  T901]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.874972][  T901]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.874974][  T901]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.874979][  T901]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.874983][  T901]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.874989][  T901]  __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))
[   56.874991][  T901]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.874997][  T901]  ? 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)
[   56.875000][  T901]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.875003][  T901]  put_chars (drivers/char/virtio_console.c:1176)
[   56.875006][  T901]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.875012][  T901]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.875019][  T901]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.875022][  T901]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.875026][  T901]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.875030][  T901]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.875032][  T901]  ? 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))
[   56.875035][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.875039][  T901]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.875043][  T901]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.875048][  T901]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.875049][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.875055][  T901]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.875058][  T901]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.875060][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.875062][  T901]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.875066][  T901]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.875068][  T901]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.875071][  T901]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.875075][  T901]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.875078][  T901]  ? __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)
[   56.875081][  T901]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.875082][  T901]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.875086][  T901]  _printk (kernel/printk/printk.c:2504)
[   56.875089][  T901]  ? snapshot_read.cold (user.c:?)
[   56.875093][  T901]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   56.875112][  T901]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   56.875118][  T901] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   56.875129][  T901] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   56.875137][  T901] new_nbp (net/bridge/br_if.c:449) bridge
[   56.875146][  T901] br_add_if (net/bridge/br_if.c:592) bridge
[   56.875154][  T901]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.875160][  T901]  do_set_master (net/core/rtnetlink.c:3071)
[   56.875164][  T901]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.875168][  T901]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.875170][  T901]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.875173][  T901]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.875182][  T901]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.875189][  T901]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.875195][  T901]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.875197][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.875203][  T901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.875207][  T901]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.875209][  T901]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.875212][  T901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.875214][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.875219][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.875220][  T901]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.875224][  T901]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.875227][  T901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.875230][  T901]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.875236][  T901]  ? 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))
[   56.875238][  T901]  ? 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))
[   56.875242][  T901]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.875246][  T901]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.875249][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.875254][  T901]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.875257][  T901]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.875261][  T901]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.875267][  T901]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.875271][  T901]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.875273][  T901]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.875275][  T901]  ? move_addr_to_kernel (net/socket.c:258)
[   56.875279][  T901]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   56.875282][  T901]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   56.875286][  T901]  ___sys_sendmsg (net/socket.c:2767)
[   56.875289][  T901]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.875306][  T901]  __sys_sendmsg (net/socket.c:2799)
[   56.875309][  T901]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.875319][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.875321][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.875325][  T901]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.875327][  T901]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.875330][  T901]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.875333][  T901] RIP: 0033:0x7fef7a2ae54e
[   56.875336][  T901] 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
[   56.875338][  T901] RSP: 002b:00007ffdd6958000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.875341][  T901] RAX: ffffffffffffffda RBX: 00007ffdd69587b8 RCX: 00007fef7a2ae54e
[   56.875342][  T901] RDX: 0000000000000000 RSI: 00007ffdd69580b0 RDI: 0000000000000005
[   56.875343][  T901] RBP: 00007ffdd6958010 R08: 0000000000000000 R09: 0000000000000000
[   56.875344][  T901] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bd4
[   56.875345][  T901] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd6958770
| [   57.906096][  T939] softirqs last disabled at (23668): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.906098][  T939] Preemption disabled at:
| [   57.906099][  T939] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.906108][  T939] Tainted: [W]=WARN
[   57.906109][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.906111][  T939] Call Trace:
[   57.906113][  T939]  <TASK>
[   57.906114][  T939]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.906120][  T939]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.906123][  T939]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.906127][  T939]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.906131][  T939]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.906136][  T939]  __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))
[   57.906139][  T939]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.906144][  T939]  ? 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)
[   57.906147][  T939]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.906150][  T939]  put_chars (drivers/char/virtio_console.c:1176)
[   57.906153][  T939]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.906160][  T939]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.906166][  T939]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.906169][  T939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.906173][  T939]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.906177][  T939]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.906178][  T939]  ? 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))
[   57.906182][  T939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906186][  T939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.906190][  T939]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.906194][  T939]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.906196][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.906201][  T939]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.906204][  T939]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.906206][  T939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906208][  T939]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.906212][  T939]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.906214][  T939]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.906217][  T939]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.906221][  T939]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.906224][  T939]  ? __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)
[   57.906227][  T939]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.906229][  T939]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.906232][  T939]  _printk (kernel/printk/printk.c:2504)
[   57.906236][  T939]  ? snapshot_read.cold (user.c:?)
[   57.906239][  T939]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   57.906253][  T939]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   57.906258][  T939] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.906268][  T939] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.906276][  T939] new_nbp (net/bridge/br_if.c:449) bridge
[   57.906285][  T939] br_add_if (net/bridge/br_if.c:592) bridge
[   57.906292][  T939]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   57.906298][  T939]  do_set_master (net/core/rtnetlink.c:3071)
[   57.906303][  T939]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   57.906307][  T939]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   57.906308][  T939]  ? __dev_get_by_name (net/core/dev.c:905)
[   57.906311][  T939]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   57.906323][  T939]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   57.906330][  T939]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.906340][  T939]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.906343][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.906351][  T939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.906355][  T939]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.906357][  T939]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.906361][  T939]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.906362][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.906367][  T939]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.906369][  T939]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.906372][  T939]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.906376][  T939]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.906379][  T939]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.906385][  T939]  ? 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))
[   57.906386][  T939]  ? 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))
[   57.906391][  T939]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.906395][  T939]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.906397][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.906402][  T939]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.906405][  T939]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.906409][  T939]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.906415][  T939]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.906419][  T939]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.906421][  T939]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.906423][  T939]  ? move_addr_to_kernel (net/socket.c:258)
[   57.906427][  T939]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.906429][  T939]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.906434][  T939]  ___sys_sendmsg (net/socket.c:2767)
[   57.906437][  T939]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.906453][  T939]  __sys_sendmsg (net/socket.c:2799)
[   57.906456][  T939]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.906462][  T939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906464][  T939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906468][  T939]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.906470][  T939]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.906474][  T939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.906476][  T939] RIP: 0033:0x7fa5a432c54e
[   57.906480][  T939] 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
[   57.906482][  T939] RSP: 002b:00007ffc0acbdd80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.906484][  T939] RAX: ffffffffffffffda RBX: 00007ffc0acbe538 RCX: 00007fa5a432c54e
[   57.906486][  T939] RDX: 0000000000000000 RSI: 00007ffc0acbde30 RDI: 0000000000000005
[   57.906487][  T939] RBP: 00007ffc0acbdd90 R08: 0000000000000000 R09: 0000000000000000
[   57.906488][  T939] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bd5
[   57.906488][  T939] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0acbe4f0
| [   58.937893][  T980] softirqs last disabled at (16064): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   58.937895][  T980] Preemption disabled at:
| [   58.937896][  T980] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.937905][  T980] Tainted: [W]=WARN
[   58.937906][  T980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.937908][  T980] Call Trace:
[   58.937910][  T980]  <TASK>
[   58.937911][  T980]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.937917][  T980]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.937920][  T980]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.937924][  T980]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.937929][  T980]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.937934][  T980]  __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))
[   58.937936][  T980]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.937942][  T980]  ? 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)
[   58.937945][  T980]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.937948][  T980]  put_chars (drivers/char/virtio_console.c:1176)
[   58.937951][  T980]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.937957][  T980]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.937964][  T980]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.937966][  T980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.937970][  T980]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.937974][  T980]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.937976][  T980]  ? 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))
[   58.937979][  T980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.937983][  T980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.937987][  T980]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.937992][  T980]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.937994][  T980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.937999][  T980]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.938002][  T980]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.938004][  T980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.938006][  T980]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.938010][  T980]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.938012][  T980]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.938015][  T980]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.938019][  T980]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.938022][  T980]  ? __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)
[   58.938025][  T980]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.938026][  T980]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.938030][  T980]  _printk (kernel/printk/printk.c:2504)
[   58.938033][  T980]  ? snapshot_read.cold (user.c:?)
[   58.938037][  T980]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   58.938051][  T980]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   58.938056][  T980] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   58.938066][  T980] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   58.938074][  T980] new_nbp (net/bridge/br_if.c:449) bridge
[   58.938084][  T980] br_add_if (net/bridge/br_if.c:592) bridge
[   58.938091][  T980]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   58.938098][  T980]  do_set_master (net/core/rtnetlink.c:3071)
[   58.938103][  T980]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   58.938107][  T980]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   58.938109][  T980]  ? __dev_get_by_name (net/core/dev.c:905)
[   58.938112][  T980]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   58.938121][  T980]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   58.938128][  T980]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.938133][  T980]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.938135][  T980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.938142][  T980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.938146][  T980]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.938148][  T980]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.938151][  T980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.938153][  T980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.938157][  T980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.938159][  T980]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.938163][  T980]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.938166][  T980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.938169][  T980]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.938175][  T980]  ? 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))
[   58.938177][  T980]  ? 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))
[   58.938181][  T980]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.938185][  T980]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.938188][  T980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.938192][  T980]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.938196][  T980]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.938200][  T980]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.938206][  T980]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.938210][  T980]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.938214][  T980]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.938216][  T980]  ? move_addr_to_kernel (net/socket.c:258)
[   58.938222][  T980]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   58.938224][  T980]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.938228][  T980]  ___sys_sendmsg (net/socket.c:2767)
[   58.938230][  T980]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   58.938233][  T980]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.938236][  T980]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   58.938251][  T980]  __sys_sendmsg (net/socket.c:2799)
[   58.938254][  T980]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.938260][  T980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.938262][  T980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.938266][  T980]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.938268][  T980]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.938271][  T980]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.938274][  T980] RIP: 0033:0x7f727fe6854e
[   58.938278][  T980] 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
[   58.938279][  T980] RSP: 002b:00007ffe630d4a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.938283][  T980] RAX: ffffffffffffffda RBX: 00007ffe630d51e8 RCX: 00007f727fe6854e
[   58.938284][  T980] RDX: 0000000000000000 RSI: 00007ffe630d4ae0 RDI: 0000000000000005
[   58.938285][  T980] RBP: 00007ffe630d4a40 R08: 0000000000000000 R09: 0000000000000000
[   58.938286][  T980] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bd6
[   58.938287][  T980] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe630d51a0
| [   66.948920][ T1160] softirqs last disabled at (19086): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   66.948923][ T1160] Preemption disabled at:
| [   66.948923][ T1160] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.948934][ T1160] Tainted: [W]=WARN
[   66.948935][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.948937][ T1160] Call Trace:
[   66.948939][ T1160]  <TASK>
[   66.948942][ T1160]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.948948][ T1160]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.948950][ T1160]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.948955][ T1160]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.948959][ T1160]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.948965][ T1160]  __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))
[   66.948967][ T1160]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.948973][ T1160]  ? 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)
[   66.948976][ T1160]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.948979][ T1160]  put_chars (drivers/char/virtio_console.c:1176)
[   66.948982][ T1160]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.948983][ T1160]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   66.948987][ T1160]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   66.948991][ T1160]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.948995][ T1160]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.948998][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.949000][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.949004][ T1160]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.949006][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.949010][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.949014][ T1160]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.949018][ T1160]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.949020][ T1160]  ? 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))
[   66.949023][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.949027][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.949031][ T1160]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.949036][ T1160]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.949038][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.949043][ T1160]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.949046][ T1160]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.949048][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.949050][ T1160]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.949054][ T1160]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.949056][ T1160]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.949061][ T1160]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.949066][ T1160]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.949076][ T1160]  _printk (kernel/printk/printk.c:2504)
[   66.949080][ T1160]  ? snapshot_read.cold (user.c:?)
[   66.949081][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.949084][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.949086][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.949089][ T1160]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.949092][ T1160]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.949096][ T1160]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.949099][ T1160]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.949102][ T1160]  ? netdev_notice (net/core/dev.c:13194)
[   66.949103][ T1160]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.949113][ T1160]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.949120][ T1160]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.949124][ T1160] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   66.949140][ T1160]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.949145][ T1160] br_dev_delete (net/bridge/br_if.c:387) bridge
[   66.949154][ T1160]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   66.949157][ T1160]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.949158][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.949160][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.949162][ T1160]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.949189][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.949191][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.949194][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.949196][ T1160]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.949198][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.949202][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.949204][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.949206][ T1160]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.949209][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.949213][ T1160]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.949215][ T1160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.949219][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.949220][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.949225][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.949227][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.949230][ T1160]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.949233][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.949236][ T1160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.949242][ T1160]  ? 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))
[   66.949244][ T1160]  ? 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))
[   66.949249][ T1160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.949256][ T1160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.949258][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.949263][ T1160]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.949267][ T1160]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.949271][ T1160]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   66.949276][ T1160]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.949280][ T1160]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.949282][ T1160]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   66.949284][ T1160]  ? move_addr_to_kernel (net/socket.c:258)
[   66.949291][ T1160]  ___sys_sendmsg (net/socket.c:2767)
[   66.949294][ T1160]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.949310][ T1160]  __sys_sendmsg (net/socket.c:2799)
[   66.949316][ T1160]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.949322][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.949326][ T1160]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.949329][ T1160]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.949332][ T1160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.949334][ T1160] RIP: 0033:0x7f32694e054e
[   66.949338][ T1160] 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
[   66.949340][ T1160] RSP: 002b:00007ffc52285c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.949342][ T1160] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f32694e054e
[   66.949344][ T1160] RDX: 0000000000000000 RSI: 00007ffc52285cc0 RDI: 0000000000000005
[   66.949345][ T1160] RBP: 00007ffc52285c20 R08: 0000000000000000 R09: 0000000000000000
[   66.949346][ T1160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bde
[   66.949347][ T1160] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc52286380
| [   69.543961][ T1197] softirqs last disabled at (12644): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   69.543963][ T1197] Preemption disabled at:
| [   69.543964][ T1197] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.543974][ T1197] Tainted: [W]=WARN
[   69.543975][ T1197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.543976][ T1197] Call Trace:
[   69.543978][ T1197]  <TASK>
[   69.543980][ T1197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.543987][ T1197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.543990][ T1197]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.543996][ T1197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.544000][ T1197]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   69.544006][ T1197]  __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))
[   69.544008][ T1197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.544014][ T1197]  ? 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)
[   69.544017][ T1197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.544021][ T1197]  put_chars (drivers/char/virtio_console.c:1176)
[   69.544024][ T1197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.544027][ T1197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.544031][ T1197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.544033][ T1197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.544037][ T1197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.544040][ T1197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.544042][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.544043][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.544048][ T1197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.544049][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.544053][ T1197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.544057][ T1197]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.544061][ T1197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.544063][ T1197]  ? 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))
[   69.544066][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.544069][ T1197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.544073][ T1197]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.544077][ T1197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.544079][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.544088][ T1197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.544092][ T1197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.544095][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.544098][ T1197]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   69.544102][ T1197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.544104][ T1197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.544107][ T1197]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.544111][ T1197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.544117][ T1197]  _printk (kernel/printk/printk.c:2504)
[   69.544122][ T1197]  ? snapshot_read.cold (user.c:?)
[   69.544124][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.544129][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.544131][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.544135][ T1197]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   69.544140][ T1197]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.544145][ T1197]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.544151][ T1197]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.544155][ T1197]  ? netdev_notice (net/core/dev.c:13194)
[   69.544157][ T1197]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   69.544167][ T1197]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   69.544172][ T1197]  dev_set_allmulti (net/core/dev_api.c:315)
[   69.544176][ T1197] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   69.544194][ T1197]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.544199][ T1197] br_dev_delete (net/bridge/br_if.c:387) bridge
[   69.544208][ T1197]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   69.544211][ T1197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.544213][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.544214][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.544216][ T1197]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   69.544244][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.544246][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.544249][ T1197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.544251][ T1197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.544253][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.544258][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.544259][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.544261][ T1197]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   69.544264][ T1197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.544268][ T1197]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   69.544271][ T1197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.544274][ T1197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.544276][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.544280][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.544282][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.544285][ T1197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.544289][ T1197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.544294][ T1197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.544302][ T1197]  ? 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))
[   69.544304][ T1197]  ? 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))
[   69.544308][ T1197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.544315][ T1197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.544318][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.544323][ T1197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.544327][ T1197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.544331][ T1197]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   69.544336][ T1197]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   69.544340][ T1197]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.544342][ T1197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   69.544344][ T1197]  ? move_addr_to_kernel (net/socket.c:258)
[   69.544356][ T1197]  ___sys_sendmsg (net/socket.c:2767)
[   69.544359][ T1197]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.544375][ T1197]  __sys_sendmsg (net/socket.c:2799)
[   69.544378][ T1197]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.544384][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.544388][ T1197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.544390][ T1197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.544394][ T1197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.544396][ T1197] RIP: 0033:0x7f41d2fd454e
[   69.544399][ T1197] 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
[   69.544402][ T1197] RSP: 002b:00007ffced8775c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.544407][ T1197] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f41d2fd454e
[   69.544409][ T1197] RDX: 0000000000000000 RSI: 00007ffced877670 RDI: 0000000000000005
[   69.544410][ T1197] RBP: 00007ffced8775d0 R08: 0000000000000000 R09: 0000000000000000
[   69.544410][ T1197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917be0
[   69.544411][ T1197] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffced877d30
| [   71.045405][    C0] softirqs last disabled at (2770307): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   71.045407][    C0] Preemption disabled at:
| [   71.045408][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   71.045417][    C0] Tainted: [W]=WARN
[   71.045418][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.045419][    C0] Call Trace:
[   71.045421][    C0]  <IRQ>
[   71.045423][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.045428][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   71.045430][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.045435][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.045439][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   71.045443][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045447][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   71.045451][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.045455][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.045458][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.045460][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.045462][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   71.045464][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.045465][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   71.045469][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.045472][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.045474][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045475][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.045478][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.045480][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.045482][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045484][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045486][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.045487][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   71.045489][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.045492][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.045494][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.045496][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.045498][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.045499][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045501][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.045502][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   71.045504][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.045506][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.045508][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.045510][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.045512][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045514][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.045516][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   71.045520][    C0]  _printk (kernel/printk/printk.c:2504)
[   71.045523][    C0]  ? snapshot_read.cold (user.c:?)
[   71.045525][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   71.045529][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.045531][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   71.045533][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   71.045535][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   71.045538][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   71.045540][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   71.045542][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   71.045544][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.045546][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.045558][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045560][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.045562][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.045569][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   71.045570][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.045576][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.045588][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.045595][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   71.045599][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   71.045600][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   71.045604][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.045606][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.045608][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045610][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   71.045612][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.045619][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   71.045620][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.045623][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.045625][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   71.045628][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   71.045629][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.045632][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045633][    C0]  handle_softirqs (kernel/softirq.c:645)
[   71.045635][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.045637][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   71.045639][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   71.045640][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   71.045642][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   71.045645][    C0]  </IRQ>
[   71.045645][    C0]  <TASK>
[   71.045646][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   71.045648][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   71.045650][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   71.045653][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   71.045654][    C0] RSP: 0018:ffffffffa6c07cf8 EFLAGS: 00000296
[   71.045657][    C0] RAX: 00000000002a4581 RBX: ffffffffa6c1c600 RCX: ffffffffa3cf0307
[   71.045659][    C0] RDX: ffffffffa6c1c600 RSI: ffffffffa6a38af6 RDI: ffffffffa648d8e0
[   71.045660][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   71.045661][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4d80fa2
[   71.045661][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   71.045663][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.045666][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   71.045668][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   71.045669][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   71.045671][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.045673][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   71.045674][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   71.045677][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.045678][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.045680][    C0]  do_idle (kernel/sched/idle.c:355)
[   71.045682][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   71.045683][    C0]  rest_init (init/main.c:727)
[   71.045685][    C0]  ? __cpuidle_text_end (??:?)
[   71.045688][    C0]  ? rest_init (init/main.c:727)
[   71.045690][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   71.045693][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   71.045696][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   71.045698][    C0]  start_kernel (init/main.c:1185)
[   71.045701][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   71.045703][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   71.045705][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   71.110052][    C0]
| [   71.110126][    C0]
| [   71.110126][    C0] stack backtrace:
| [   71.110323][    C0] Tainted: [W]=WARN
[   71.110324][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.110325][    C0] Call Trace:
[   71.110326][    C0]  <IRQ>
[   71.110327][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.110331][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   71.110334][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   71.110337][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   71.110339][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   71.110341][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   71.110343][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.110345][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.110352][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.110355][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.110357][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.110363][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   71.110365][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.110372][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.110378][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.110384][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   71.110386][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   71.110388][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   71.110392][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.110393][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.110395][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.110397][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   71.110399][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.110406][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   71.110408][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.110411][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.110413][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   71.110415][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   71.110417][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.110419][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.110421][    C0]  handle_softirqs (kernel/softirq.c:645)
[   71.110423][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.110425][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   71.110427][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   71.110429][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   71.110430][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   71.110432][    C0]  </IRQ>
[   71.110433][    C0]  <TASK>
[   71.110433][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   71.110435][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   71.110437][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   71.110439][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   71.110441][    C0] RSP: 0018:ffffffffa6c07cf8 EFLAGS: 00000296
[   71.110443][    C0] RAX: 00000000002a4581 RBX: ffffffffa6c1c600 RCX: ffffffffa3cf0307
[   71.110445][    C0] RDX: ffffffffa6c1c600 RSI: ffffffffa6a38af6 RDI: ffffffffa648d8e0
[   71.110447][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   71.110448][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4d80fa2
[   71.110449][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   71.110452][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.110454][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   71.110456][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   71.110458][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   71.110459][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.110461][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   71.110463][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   71.110465][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.110466][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.110468][    C0]  do_idle (kernel/sched/idle.c:355)
[   71.110470][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   71.110471][    C0]  rest_init (init/main.c:727)
[   71.110473][    C0]  ? __cpuidle_text_end (??:?)
[   71.110476][    C0]  ? rest_init (init/main.c:727)
[   71.110478][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   71.110482][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   71.110485][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   71.110487][    C0]  start_kernel (init/main.c:1185)
[   71.110488][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   71.110490][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   71.110492][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   72.062592][ T1241] softirqs last disabled at (0): 0x0
| [   72.062594][ T1241] Preemption disabled at:
| [   72.062594][ T1241] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.062606][ T1241] Tainted: [W]=WARN
[   72.062607][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.062609][ T1241] Call Trace:
[   72.062611][ T1241]  <TASK>
[   72.062612][ T1241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.062618][ T1241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.062620][ T1241]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.062623][ T1241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.062627][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062631][ T1241]  __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))
[   72.062635][ T1241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.062637][ T1241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.062641][ T1241]  ? 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)
[   72.062643][ T1241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.062645][ T1241]  put_chars (drivers/char/virtio_console.c:1176)
[   72.062647][ T1241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.062648][ T1241]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   72.062650][ T1241]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   72.062653][ T1241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.062656][ T1241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.062657][ T1241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.062659][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.062661][ T1241]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.062664][ T1241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.062666][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062668][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062669][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062671][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.062673][ T1241]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.062675][ T1241]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.062677][ T1241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.062680][ T1241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.062681][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.062683][ T1241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.062684][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062686][ T1241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.062688][ T1241]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.062689][ T1241]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   72.062691][ T1241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.062693][ T1241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.062695][ T1241]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.062698][ T1241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.062700][ T1241]  ? __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)
[   72.062703][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.062704][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062706][ T1241]  _printk (kernel/printk/printk.c:2504)
[   72.062709][ T1241]  ? snapshot_read.cold (user.c:?)
[   72.062711][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062713][ T1241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.062715][ T1241]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   72.062717][ T1241] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   72.062729][ T1241] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   72.062737][ T1241] new_nbp (net/bridge/br_if.c:449) bridge
[   72.062746][ T1241] br_add_if (net/bridge/br_if.c:592) bridge
[   72.062754][ T1241]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.062756][ T1241]  do_set_master (net/core/rtnetlink.c:3071)
[   72.062761][ T1241]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   72.062763][ T1241]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   72.062764][ T1241]  ? __dev_get_by_name (net/core/dev.c:905)
[   72.062766][ T1241]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   72.062770][ T1241]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   72.062773][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.062775][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062777][ T1241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.062778][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.062779][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062781][ T1241]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.062785][ T1241]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.062787][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062789][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062790][ T1241]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   72.062794][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.062796][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062798][ T1241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.062799][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.062801][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.062802][ T1241]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.062805][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.062809][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.062812][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.062813][ T1241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.062814][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.062816][ T1241]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   72.062818][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062820][ T1241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.062822][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.062824][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.062825][ T1241]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   72.062829][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.062830][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062832][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.062834][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.062836][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062838][ T1241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.062840][ T1241]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.062843][ T1241]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.062844][ T1241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.062846][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   72.062848][ T1241]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   72.062851][ T1241]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   72.062854][ T1241]  ___sys_sendmsg (net/socket.c:2767)
[   72.062856][ T1241]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.062861][ T1241]  __sys_sendmsg (net/socket.c:2799)
[   72.062863][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.062866][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062867][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.062869][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.062872][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.062874][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.062876][ T1241] RIP: 0033:0x7fd890b4154e
[   72.062878][ T1241] 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
[   72.062880][ T1241] RSP: 002b:00007ffe95909000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.062884][ T1241] RAX: ffffffffffffffda RBX: 00007ffe959097b8 RCX: 00007fd890b4154e
[   72.062885][ T1241] RDX: 0000000000000000 RSI: 00007ffe959090b0 RDI: 0000000000000005
[   72.062886][ T1241] RBP: 00007ffe95909010 R08: 0000000000000000 R09: 0000000000000000
[   72.062887][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917be3
[   72.062888][ T1241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe95909770
| [   73.082170][ T1309] softirqs last disabled at (0): 0x0
| [   73.082172][ T1309] Preemption disabled at:
| [   73.082173][ T1309] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.082184][ T1309] Tainted: [W]=WARN
[   73.082185][ T1309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.082186][ T1309] Call Trace:
[   73.082188][ T1309]  <TASK>
[   73.082189][ T1309]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.082195][ T1309]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.082197][ T1309]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.082201][ T1309]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.082204][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082208][ T1309]  __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))
[   73.082211][ T1309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.082214][ T1309]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.082220][ T1309]  ? 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)
[   73.082222][ T1309]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.082225][ T1309]  put_chars (drivers/char/virtio_console.c:1176)
[   73.082227][ T1309]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.082228][ T1309]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   73.082230][ T1309]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   73.082233][ T1309]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.082236][ T1309]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.082237][ T1309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.082239][ T1309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.082241][ T1309]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.082244][ T1309]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.082246][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082247][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082249][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082251][ T1309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.082253][ T1309]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   73.082254][ T1309]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.082257][ T1309]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.082259][ T1309]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.082261][ T1309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.082263][ T1309]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.082264][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082266][ T1309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.082267][ T1309]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   73.082269][ T1309]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   73.082271][ T1309]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.082273][ T1309]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.082275][ T1309]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.082278][ T1309]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.082280][ T1309]  ? __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)
[   73.082283][ T1309]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   73.082284][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082286][ T1309]  _printk (kernel/printk/printk.c:2504)
[   73.082289][ T1309]  ? snapshot_read.cold (user.c:?)
[   73.082291][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082293][ T1309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.082294][ T1309]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   73.082297][ T1309] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   73.082315][ T1309] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   73.082323][ T1309] new_nbp (net/bridge/br_if.c:449) bridge
[   73.082332][ T1309] br_add_if (net/bridge/br_if.c:592) bridge
[   73.082339][ T1309]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   73.082342][ T1309]  do_set_master (net/core/rtnetlink.c:3071)
[   73.082346][ T1309]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   73.082348][ T1309]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   73.082350][ T1309]  ? __dev_get_by_name (net/core/dev.c:905)
[   73.082352][ T1309]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   73.082356][ T1309]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   73.082358][ T1309]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.082361][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082363][ T1309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.082364][ T1309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.082365][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082367][ T1309]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   73.082371][ T1309]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   73.082373][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082375][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082378][ T1309]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   73.082383][ T1309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.082385][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082387][ T1309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.082388][ T1309]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.082390][ T1309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.082391][ T1309]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.082393][ T1309]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   73.082398][ T1309]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.082400][ T1309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.082402][ T1309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.082403][ T1309]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.082405][ T1309]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   73.082407][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082409][ T1309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.082411][ T1309]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.082413][ T1309]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.082415][ T1309]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   73.082418][ T1309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.082419][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082421][ T1309]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.082423][ T1309]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.082425][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082427][ T1309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.082429][ T1309]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   73.082432][ T1309]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.082435][ T1309]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   73.082437][ T1309]  ? move_addr_to_kernel (net/socket.c:258)
[   73.082440][ T1309]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   73.082443][ T1309]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   73.082447][ T1309]  ___sys_sendmsg (net/socket.c:2767)
[   73.082448][ T1309]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.082454][ T1309]  __sys_sendmsg (net/socket.c:2799)
[   73.082456][ T1309]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.082458][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082460][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.082462][ T1309]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.082464][ T1309]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.082466][ T1309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.082468][ T1309] RIP: 0033:0x7f5c2d2dc54e
[   73.082470][ T1309] 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
[   73.082472][ T1309] RSP: 002b:00007ffc56fe5970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.082476][ T1309] RAX: ffffffffffffffda RBX: 00007ffc56fe6128 RCX: 00007f5c2d2dc54e
[   73.082477][ T1309] RDX: 0000000000000000 RSI: 00007ffc56fe5a20 RDI: 0000000000000005
[   73.082478][ T1309] RBP: 00007ffc56fe5980 R08: 0000000000000000 R09: 0000000000000000
[   73.082479][ T1309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917be4
[   73.082480][ T1309] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc56fe60e0
| [  121.227223][T17896] softirqs last disabled at (0): 0x0
| [  121.227225][T17896] Preemption disabled at:
| [  121.227226][T17896] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.227239][T17896] Tainted: [W]=WARN
[  121.227240][T17896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.227241][T17896] Call Trace:
[  121.227243][T17896]  <TASK>
[  121.227244][T17896]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.227249][T17896]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.227251][T17896]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.227255][T17896]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.227258][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227262][T17896]  __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))
[  121.227266][T17896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.227268][T17896]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.227272][T17896]  ? 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)
[  121.227274][T17896]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.227276][T17896]  put_chars (drivers/char/virtio_console.c:1176)
[  121.227279][T17896]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.227281][T17896]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  121.227285][T17896]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.227289][T17896]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.227290][T17896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.227292][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227294][T17896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.227296][T17896]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.227298][T17896]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.227300][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227302][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227304][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227305][T17896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.227307][T17896]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  121.227309][T17896]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.227311][T17896]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.227317][T17896]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.227319][T17896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.227320][T17896]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.227322][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227324][T17896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.227325][T17896]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  121.227327][T17896]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  121.227329][T17896]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.227331][T17896]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.227333][T17896]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.227336][T17896]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.227338][T17896]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.227343][T17896]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.227346][T17896]  ? ___sys_sendmsg (net/socket.c:2767)
[  121.227347][T17896]  ? __sys_sendmsg (net/socket.c:2799)
[  121.227349][T17896]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.227352][T17896]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.227354][T17896]  _printk (kernel/printk/printk.c:2504)
[  121.227358][T17896]  ? snapshot_read.cold (user.c:?)
[  121.227360][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227361][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227363][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227365][T17896]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  121.227368][T17896]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  121.227371][T17896]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  121.227373][T17896]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  121.227374][T17896]  ? netdev_notice (net/core/dev.c:13194)
[  121.227376][T17896]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  121.227379][T17896]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  121.227380][T17896]  ? trace_contention_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/lock.h:121)
[  121.227382][T17896]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  121.227386][T17896]  dev_set_allmulti (net/core/dev_api.c:315)
[  121.227389][T17896] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  121.227403][T17896]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  121.227406][T17896] br_dev_delete (net/bridge/br_if.c:387) bridge
[  121.227414][T17896]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  121.227417][T17896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.227419][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227421][T17896]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  121.227423][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227430][T17896]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  121.227432][T17896]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.227434][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227435][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227438][T17896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.227440][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227443][T17896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.227445][T17896]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  121.227449][T17896]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  121.227452][T17896]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  121.227455][T17896]  ? __kernel_text_address (kernel/extable.c:79)
[  121.227456][T17896]  ? write_profile (profile.c:?)
[  121.227458][T17896]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  121.227460][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227462][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227463][T17896]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  121.227467][T17896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.227469][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227470][T17896]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  121.227473][T17896]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  121.227475][T17896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.227476][T17896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.227477][T17896]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  121.227481][T17896]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.227483][T17896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.227484][T17896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.227486][T17896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  121.227487][T17896]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  121.227490][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227491][T17896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.227493][T17896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.227495][T17896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  121.227497][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227499][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227500][T17896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.227502][T17896]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.227504][T17896]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  121.227506][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227508][T17896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.227510][T17896]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.227511][T17896]  ? copy_msghdr_from_user (net/socket.c:2650)
[  121.227513][T17896]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  121.227515][T17896]  ? move_addr_to_kernel (net/socket.c:258)
[  121.227516][T17896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.227519][T17896]  ___sys_sendmsg (net/socket.c:2767)
[  121.227520][T17896]  ? copy_msghdr_from_user (net/socket.c:2619)
[  121.227525][T17896]  __sys_sendmsg (net/socket.c:2799)
[  121.227527][T17896]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  121.227530][T17896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.227532][T17896]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.227533][T17896]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.227536][T17896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.227537][T17896] RIP: 0033:0x7fd68694454e
[  121.227539][T17896] 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
[  121.227541][T17896] RSP: 002b:00007ffd7dac4b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  121.227545][T17896] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd68694454e
[  121.227546][T17896] RDX: 0000000000000000 RSI: 00007ffd7dac4c40 RDI: 0000000000000005
[  121.227547][T17896] RBP: 00007ffd7dac4ba0 R08: 0000000000000000 R09: 0000000000000000
[  121.227548][T17896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c14
[  121.227549][T17896] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7dac5300
| [  122.985812][T17934] softirqs last disabled at (0): 0x0
| [  122.985814][T17934] Preemption disabled at:
| [  122.985815][T17934] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.985826][T17934] Tainted: [W]=WARN
[  122.985827][T17934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.985829][T17934] Call Trace:
[  122.985830][T17934]  <TASK>
[  122.985832][T17934]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.985837][T17934]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.985839][T17934]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.985843][T17934]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.985847][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985851][T17934]  __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))
[  122.985854][T17934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.985857][T17934]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.985861][T17934]  ? 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)
[  122.985863][T17934]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.985865][T17934]  put_chars (drivers/char/virtio_console.c:1176)
[  122.985867][T17934]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.985868][T17934]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  122.985871][T17934]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.985875][T17934]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.985876][T17934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.985878][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985880][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.985882][T17934]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.985884][T17934]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.985886][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985888][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985897][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985898][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.985901][T17934]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.985903][T17934]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.985905][T17934]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.985907][T17934]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  122.985911][T17934]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.985913][T17934]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.985915][T17934]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.985916][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985918][T17934]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  122.985921][T17934]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  122.985923][T17934]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.985925][T17934]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.985927][T17934]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.985929][T17934]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.985931][T17934]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.985935][T17934]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.985939][T17934]  ? ___sys_sendmsg (net/socket.c:2767)
[  122.985941][T17934]  ? __sys_sendmsg (net/socket.c:2799)
[  122.985944][T17934]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.985946][T17934]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.985948][T17934]  _printk (kernel/printk/printk.c:2504)
[  122.985951][T17934]  ? snapshot_read.cold (user.c:?)
[  122.985953][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985955][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985957][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.985959][T17934]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  122.985962][T17934]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  122.985965][T17934]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  122.985966][T17934]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  122.985968][T17934]  ? netdev_notice (net/core/dev.c:13194)
[  122.985969][T17934]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  122.985973][T17934]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  122.985975][T17934]  ? trace_contention_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/lock.h:121)
[  122.985977][T17934]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  122.985980][T17934]  dev_set_allmulti (net/core/dev_api.c:315)
[  122.985982][T17934] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  122.985995][T17934]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  122.985998][T17934] br_dev_delete (net/bridge/br_if.c:387) bridge
[  122.986006][T17934]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  122.986010][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986011][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986013][T17934]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  122.986016][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986022][T17934]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  122.986025][T17934]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.986027][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986028][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986030][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986032][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986034][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986035][T17934]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  122.986039][T17934]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  122.986040][T17934]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  122.986043][T17934]  ? __kernel_text_address (kernel/extable.c:79)
[  122.986044][T17934]  ? write_profile (profile.c:?)
[  122.986047][T17934]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  122.986048][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986050][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986052][T17934]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.986055][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986057][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986059][T17934]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  122.986061][T17934]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.986063][T17934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.986064][T17934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.986066][T17934]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.986070][T17934]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.986072][T17934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.986073][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986075][T17934]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.986076][T17934]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.986079][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986080][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986082][T17934]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.986084][T17934]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.986086][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986088][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986090][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.986092][T17934]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.986094][T17934]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.986096][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986098][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.986100][T17934]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.986102][T17934]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.986103][T17934]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  122.986105][T17934]  ? move_addr_to_kernel (net/socket.c:258)
[  122.986107][T17934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.986109][T17934]  ___sys_sendmsg (net/socket.c:2767)
[  122.986111][T17934]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.986116][T17934]  __sys_sendmsg (net/socket.c:2799)
[  122.986118][T17934]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.986121][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.986124][T17934]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.986125][T17934]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.986127][T17934]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.986128][T17934] RIP: 0033:0x7f2fb67a954e
[  122.986130][T17934] 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
[  122.986132][T17934] RSP: 002b:00007ffe96f682d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.986136][T17934] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2fb67a954e
[  122.986138][T17934] RDX: 0000000000000000 RSI: 00007ffe96f68380 RDI: 0000000000000005
[  122.986140][T17934] RBP: 00007ffe96f682e0 R08: 0000000000000000 R09: 0000000000000000
[  122.986141][T17934] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c16
[  122.986143][T17934] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe96f68a40
| [  124.858257][T17973] softirqs last disabled at (0): 0x0
| [  124.858259][T17973] Preemption disabled at:
| [  124.858260][T17973] vprintk_emit (kernel/printk/printk.c:2471)
| [  124.858271][T17973] Tainted: [W]=WARN
[  124.858272][T17973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  124.858274][T17973] Call Trace:
[  124.858276][T17973]  <TASK>
[  124.858277][T17973]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  124.858283][T17973]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  124.858285][T17973]  __might_resched.cold (kernel/sched/core.c:9234)
[  124.858289][T17973]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  124.858292][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858296][T17973]  __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))
[  124.858300][T17973]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  124.858303][T17973]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.858307][T17973]  ? 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)
[  124.858308][T17973]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.858311][T17973]  put_chars (drivers/char/virtio_console.c:1176)
[  124.858315][T17973]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  124.858316][T17973]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  124.858319][T17973]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  124.858321][T17973]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  124.858325][T17973]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  124.858326][T17973]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  124.858329][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.858332][T17973]  console_emit_next_record (kernel/printk/printk.c:3183)
[  124.858336][T17973]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  124.858339][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858340][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858342][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858344][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.858346][T17973]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  124.858348][T17973]  console_flush_one_record (kernel/printk/printk.c:3268)
[  124.858351][T17973]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  124.858353][T17973]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  124.858355][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.858357][T17973]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  124.858358][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858360][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.858362][T17973]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  124.858363][T17973]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  124.858365][T17973]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  124.858367][T17973]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  124.858369][T17973]  vprintk_emit (kernel/printk/printk.c:2479)
[  124.858372][T17973]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  124.858374][T17973]  ? __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)
[  124.858377][T17973]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  124.858379][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858381][T17973]  _printk (kernel/printk/printk.c:2504)
[  124.858384][T17973]  ? snapshot_read.cold (user.c:?)
[  124.858386][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858388][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.858390][T17973]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  124.858392][T17973] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  124.858404][T17973] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  124.858412][T17973] new_nbp (net/bridge/br_if.c:449) bridge
[  124.858421][T17973] br_add_if (net/bridge/br_if.c:592) bridge
[  124.858432][T17973]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  124.858435][T17973]  do_set_master (net/core/rtnetlink.c:3071)
[  124.858439][T17973]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  124.858441][T17973]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  124.858443][T17973]  ? __dev_get_by_name (net/core/dev.c:905)
[  124.858445][T17973]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  124.858449][T17973]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  124.858452][T17973]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  124.858454][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858456][T17973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.858457][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.858459][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858461][T17973]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  124.858464][T17973]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  124.858467][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858469][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858470][T17973]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  124.858474][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.858475][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858478][T17973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.858479][T17973]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  124.858481][T17973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.858482][T17973]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  124.858485][T17973]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  124.858489][T17973]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  124.858492][T17973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.858493][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.858495][T17973]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  124.858496][T17973]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  124.858499][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858500][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.858503][T17973]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  124.858505][T17973]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  124.858506][T17973]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  124.858509][T17973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.858511][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858513][T17973]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  124.858515][T17973]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  124.858517][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858519][T17973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.858521][T17973]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  124.858524][T17973]  ? copy_msghdr_from_user (net/socket.c:2650)
[  124.858526][T17973]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  124.858527][T17973]  ? move_addr_to_kernel (net/socket.c:258)
[  124.858529][T17973]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  124.858532][T17973]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  124.858536][T17973]  ___sys_sendmsg (net/socket.c:2767)
[  124.858538][T17973]  ? copy_msghdr_from_user (net/socket.c:2619)
[  124.858543][T17973]  __sys_sendmsg (net/socket.c:2799)
[  124.858545][T17973]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  124.858548][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858550][T17973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.858554][T17973]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  124.858557][T17973]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  124.858560][T17973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  124.858562][T17973] RIP: 0033:0x7fd4e20eb54e
[  124.858564][T17973] 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
[  124.858566][T17973] RSP: 002b:00007ffd8dde5f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  124.858570][T17973] RAX: ffffffffffffffda RBX: 00007ffd8dde6708 RCX: 00007fd4e20eb54e
[  124.858572][T17973] RDX: 0000000000000000 RSI: 00007ffd8dde6000 RDI: 0000000000000005
[  124.858572][T17973] RBP: 00007ffd8dde5f60 R08: 0000000000000000 R09: 0000000000000000
[  124.858573][T17973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c18
[  124.858574][T17973] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8dde66c0
| [  125.857764][T18035] softirqs last disabled at (0): 0x0
| [  125.857766][T18035] Preemption disabled at:
| [  125.857767][T18035] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.857777][T18035] Tainted: [W]=WARN
[  125.857778][T18035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.857780][T18035] Call Trace:
[  125.857781][T18035]  <TASK>
[  125.857783][T18035]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.857788][T18035]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.857790][T18035]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.857794][T18035]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.857797][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857801][T18035]  __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))
[  125.857805][T18035]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.857808][T18035]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.857811][T18035]  ? 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)
[  125.857813][T18035]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.857815][T18035]  put_chars (drivers/char/virtio_console.c:1176)
[  125.857817][T18035]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.857818][T18035]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  125.857821][T18035]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  125.857823][T18035]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.857827][T18035]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.857828][T18035]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.857830][T18035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.857832][T18035]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.857835][T18035]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.857837][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857838][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857840][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857842][T18035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.857844][T18035]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  125.857846][T18035]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.857848][T18035]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.857851][T18035]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.857852][T18035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.857854][T18035]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.857856][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857857][T18035]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.857859][T18035]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  125.857860][T18035]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  125.857863][T18035]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.857865][T18035]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.857867][T18035]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.857869][T18035]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.857871][T18035]  ? __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)
[  125.857875][T18035]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  125.857876][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857878][T18035]  _printk (kernel/printk/printk.c:2504)
[  125.857881][T18035]  ? snapshot_read.cold (user.c:?)
[  125.857883][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857885][T18035]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.857887][T18035]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  125.857889][T18035] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  125.857901][T18035] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  125.857915][T18035] new_nbp (net/bridge/br_if.c:449) bridge
[  125.857924][T18035] br_add_if (net/bridge/br_if.c:592) bridge
[  125.857931][T18035]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  125.857934][T18035]  do_set_master (net/core/rtnetlink.c:3071)
[  125.857938][T18035]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.857940][T18035]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  125.857942][T18035]  ? __dev_get_by_name (net/core/dev.c:905)
[  125.857944][T18035]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  125.857948][T18035]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.857951][T18035]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.857953][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857955][T18035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.857956][T18035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.857957][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857960][T18035]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  125.857963][T18035]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  125.857965][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857967][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857969][T18035]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  125.857973][T18035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.857974][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857976][T18035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.857978][T18035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  125.857979][T18035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.857981][T18035]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  125.857983][T18035]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  125.857987][T18035]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  125.857990][T18035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.857991][T18035]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.857993][T18035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  125.857994][T18035]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  125.857997][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.857999][T18035]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.858001][T18035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  125.858003][T18035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  125.858004][T18035]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  125.858008][T18035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.858009][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.858011][T18035]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  125.858013][T18035]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  125.858015][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.858017][T18035]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.858020][T18035]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  125.858023][T18035]  ? copy_msghdr_from_user (net/socket.c:2650)
[  125.858025][T18035]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  125.858026][T18035]  ? move_addr_to_kernel (net/socket.c:258)
[  125.858029][T18035]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  125.858031][T18035]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  125.858035][T18035]  ___sys_sendmsg (net/socket.c:2767)
[  125.858037][T18035]  ? copy_msghdr_from_user (net/socket.c:2619)
[  125.858042][T18035]  __sys_sendmsg (net/socket.c:2799)
[  125.858044][T18035]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  125.858047][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.858049][T18035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.858051][T18035]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  125.858053][T18035]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  125.858055][T18035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.858057][T18035] RIP: 0033:0x7fb167dc054e
[  125.858059][T18035] 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
[  125.858061][T18035] RSP: 002b:00007ffe36aee8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  125.858065][T18035] RAX: ffffffffffffffda RBX: 00007ffe36aef078 RCX: 00007fb167dc054e
[  125.858067][T18035] RDX: 0000000000000000 RSI: 00007ffe36aee970 RDI: 0000000000000005
[  125.858068][T18035] RBP: 00007ffe36aee8d0 R08: 0000000000000000 R09: 0000000000000000
[  125.858069][T18035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c19
[  125.858069][T18035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe36aef030
| [  126.870646][T18098] softirqs last disabled at (0): 0x0
| [  126.870647][T18098] Preemption disabled at:
| [  126.870648][T18098] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.870660][T18098] Tainted: [W]=WARN
[  126.870661][T18098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.870663][T18098] Call Trace:
[  126.870665][T18098]  <TASK>
[  126.870666][T18098]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.870672][T18098]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.870674][T18098]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.870678][T18098]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.870681][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870685][T18098]  __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))
[  126.870689][T18098]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.870692][T18098]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.870696][T18098]  ? 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)
[  126.870697][T18098]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.870699][T18098]  put_chars (drivers/char/virtio_console.c:1176)
[  126.870702][T18098]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.870703][T18098]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  126.870705][T18098]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  126.870708][T18098]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.870712][T18098]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.870713][T18098]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.870715][T18098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.870718][T18098]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.870721][T18098]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.870723][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870725][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870726][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870728][T18098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.870730][T18098]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  126.870732][T18098]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.870735][T18098]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.870739][T18098]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.870742][T18098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.870744][T18098]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.870747][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870749][T18098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.870751][T18098]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  126.870752][T18098]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  126.870755][T18098]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.870757][T18098]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.870759][T18098]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.870762][T18098]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.870764][T18098]  ? __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)
[  126.870767][T18098]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.870769][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870771][T18098]  _printk (kernel/printk/printk.c:2504)
[  126.870774][T18098]  ? snapshot_read.cold (user.c:?)
[  126.870776][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870778][T18098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.870780][T18098]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  126.870782][T18098] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  126.870796][T18098] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  126.870805][T18098] new_nbp (net/bridge/br_if.c:449) bridge
[  126.870815][T18098] br_add_if (net/bridge/br_if.c:592) bridge
[  126.870823][T18098]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  126.870826][T18098]  do_set_master (net/core/rtnetlink.c:3071)
[  126.870830][T18098]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  126.870832][T18098]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  126.870833][T18098]  ? __dev_get_by_name (net/core/dev.c:905)
[  126.870836][T18098]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  126.870840][T18098]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  126.870843][T18098]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.870845][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870847][T18098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.870848][T18098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.870850][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870852][T18098]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  126.870856][T18098]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  126.870858][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870860][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870862][T18098]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  126.870866][T18098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.870867][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870869][T18098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.870871][T18098]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.870872][T18098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.870874][T18098]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  126.870877][T18098]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  126.870882][T18098]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.870885][T18098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.870886][T18098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.870888][T18098]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.870889][T18098]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  126.870892][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870894][T18098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.870897][T18098]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.870901][T18098]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.870904][T18098]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  126.870908][T18098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.870909][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870911][T18098]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.870920][T18098]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.870922][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870924][T18098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.870926][T18098]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  126.870929][T18098]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.870931][T18098]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  126.870933][T18098]  ? move_addr_to_kernel (net/socket.c:258)
[  126.870935][T18098]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  126.870938][T18098]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  126.870941][T18098]  ___sys_sendmsg (net/socket.c:2767)
[  126.870943][T18098]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.870949][T18098]  __sys_sendmsg (net/socket.c:2799)
[  126.870951][T18098]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.870954][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870956][T18098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.870958][T18098]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.870960][T18098]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.870962][T18098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.870965][T18098] RIP: 0033:0x7fd888a4654e
[  126.870967][T18098] 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
[  126.870969][T18098] RSP: 002b:00007ffc3da142e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.870973][T18098] RAX: ffffffffffffffda RBX: 00007ffc3da14a98 RCX: 00007fd888a4654e
[  126.870974][T18098] RDX: 0000000000000000 RSI: 00007ffc3da14390 RDI: 0000000000000005
[  126.870975][T18098] RBP: 00007ffc3da142f0 R08: 0000000000000000 R09: 0000000000000000
[  126.870976][T18098] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c1a
[  126.870977][T18098] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3da14a50
| [  176.302327][ T2167] softirqs last disabled at (0): 0x0
| [  176.302329][ T2167] Preemption disabled at:
| [  176.302330][ T2167] vprintk_emit (kernel/printk/printk.c:2471)
| [  176.302344][ T2167] Tainted: [W]=WARN
[  176.302345][ T2167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  176.302346][ T2167] Call Trace:
[  176.302348][ T2167]  <TASK>
[  176.302349][ T2167]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  176.302355][ T2167]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  176.302357][ T2167]  __might_resched.cold (kernel/sched/core.c:9234)
[  176.302361][ T2167]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  176.302365][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302369][ T2167]  __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))
[  176.302372][ T2167]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.302375][ T2167]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.302379][ T2167]  ? 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)
[  176.302381][ T2167]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.302383][ T2167]  put_chars (drivers/char/virtio_console.c:1176)
[  176.302385][ T2167]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  176.302388][ T2167]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  176.302392][ T2167]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  176.302396][ T2167]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  176.302397][ T2167]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.302399][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302401][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.302403][ T2167]  console_emit_next_record (kernel/printk/printk.c:3183)
[  176.302406][ T2167]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  176.302408][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302410][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302412][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302413][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.302415][ T2167]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  176.302417][ T2167]  console_flush_one_record (kernel/printk/printk.c:3268)
[  176.302420][ T2167]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  176.302423][ T2167]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  176.302424][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.302426][ T2167]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  176.302428][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302429][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.302431][ T2167]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  176.302432][ T2167]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  176.302435][ T2167]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  176.302437][ T2167]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  176.302441][ T2167]  vprintk_emit (kernel/printk/printk.c:2479)
[  176.302444][ T2167]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  176.302446][ T2167]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  176.302450][ T2167]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  176.302453][ T2167]  ? ___sys_sendmsg (net/socket.c:2767)
[  176.302455][ T2167]  ? __sys_sendmsg (net/socket.c:2799)
[  176.302457][ T2167]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  176.302459][ T2167]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  176.302462][ T2167]  _printk (kernel/printk/printk.c:2504)
[  176.302466][ T2167]  ? snapshot_read.cold (user.c:?)
[  176.302467][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302469][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302471][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302473][ T2167]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  176.302476][ T2167]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  176.302479][ T2167]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  176.302481][ T2167]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  176.302483][ T2167]  ? netdev_notice (net/core/dev.c:13194)
[  176.302484][ T2167]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  176.302488][ T2167]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  176.302490][ T2167]  ? trace_contention_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/lock.h:121)
[  176.302493][ T2167]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  176.302497][ T2167]  dev_set_allmulti (net/core/dev_api.c:315)
[  176.302500][ T2167] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  176.302513][ T2167]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  176.302516][ T2167] br_dev_delete (net/bridge/br_if.c:387) bridge
[  176.302523][ T2167]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  176.302527][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.302528][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302530][ T2167]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  176.302532][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302540][ T2167]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  176.302544][ T2167]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  176.302546][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302548][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302550][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.302552][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302553][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.302555][ T2167]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  176.302558][ T2167]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  176.302560][ T2167]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  176.302563][ T2167]  ? __kernel_text_address (kernel/extable.c:79)
[  176.302564][ T2167]  ? write_profile (profile.c:?)
[  176.302566][ T2167]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  176.302568][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302570][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302571][ T2167]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  176.302575][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.302577][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302579][ T2167]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  176.302581][ T2167]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  176.302583][ T2167]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  176.302584][ T2167]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  176.302586][ T2167]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  176.302592][ T2167]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  176.302595][ T2167]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  176.302597][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.302599][ T2167]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  176.302600][ T2167]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  176.302603][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302605][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.302607][ T2167]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  176.302609][ T2167]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  176.302610][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302612][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302614][ T2167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.302616][ T2167]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  176.302618][ T2167]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  176.302620][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302622][ T2167]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.302624][ T2167]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  176.302626][ T2167]  ? copy_msghdr_from_user (net/socket.c:2650)
[  176.302628][ T2167]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  176.302629][ T2167]  ? move_addr_to_kernel (net/socket.c:258)
[  176.302631][ T2167]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  176.302633][ T2167]  ___sys_sendmsg (net/socket.c:2767)
[  176.302635][ T2167]  ? copy_msghdr_from_user (net/socket.c:2619)
[  176.302641][ T2167]  __sys_sendmsg (net/socket.c:2799)
[  176.302644][ T2167]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  176.302648][ T2167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.302651][ T2167]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  176.302652][ T2167]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  176.302654][ T2167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  176.302656][ T2167] RIP: 0033:0x7f919c87254e
[  176.302658][ T2167] 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
[  176.302660][ T2167] RSP: 002b:00007fffdfe13140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  176.302664][ T2167] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f919c87254e
[  176.302665][ T2167] RDX: 0000000000000000 RSI: 00007fffdfe131f0 RDI: 0000000000000005
[  176.302666][ T2167] RBP: 00007fffdfe13150 R08: 0000000000000000 R09: 0000000000000000
[  176.302667][ T2167] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c4b
[  176.302668][ T2167] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdfe138b0
| [  178.309950][ T2204] softirqs last disabled at (0): 0x0
| [  178.309952][ T2204] Preemption disabled at:
| [  178.309952][ T2204] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.309964][ T2204] Tainted: [W]=WARN
[  178.309965][ T2204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.309967][ T2204] Call Trace:
[  178.309968][ T2204]  <TASK>
[  178.309970][ T2204]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.309975][ T2204]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.309977][ T2204]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.309981][ T2204]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.309985][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.309989][ T2204]  __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))
[  178.309993][ T2204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.309995][ T2204]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.310000][ T2204]  ? 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)
[  178.310001][ T2204]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.310003][ T2204]  put_chars (drivers/char/virtio_console.c:1176)
[  178.310005][ T2204]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.310007][ T2204]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  178.310010][ T2204]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.310014][ T2204]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.310015][ T2204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.310017][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310019][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.310021][ T2204]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.310024][ T2204]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.310026][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310028][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310029][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310031][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.310034][ T2204]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  178.310037][ T2204]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.310040][ T2204]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.310044][ T2204]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.310046][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.310048][ T2204]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.310049][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310051][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.310053][ T2204]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  178.310054][ T2204]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  178.310057][ T2204]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.310059][ T2204]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.310061][ T2204]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.310063][ T2204]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.310066][ T2204]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  178.310070][ T2204]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  178.310074][ T2204]  ? ___sys_sendmsg (net/socket.c:2767)
[  178.310076][ T2204]  ? __sys_sendmsg (net/socket.c:2799)
[  178.310078][ T2204]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  178.310081][ T2204]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.310084][ T2204]  _printk (kernel/printk/printk.c:2504)
[  178.310088][ T2204]  ? snapshot_read.cold (user.c:?)
[  178.310091][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310094][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310097][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310099][ T2204]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  178.310102][ T2204]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  178.310105][ T2204]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  178.310107][ T2204]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  178.310109][ T2204]  ? netdev_notice (net/core/dev.c:13194)
[  178.310111][ T2204]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  178.310114][ T2204]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  178.310116][ T2204]  ? trace_contention_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/lock.h:121)
[  178.310118][ T2204]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  178.310121][ T2204]  dev_set_allmulti (net/core/dev_api.c:315)
[  178.310123][ T2204] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  178.310140][ T2204]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  178.310144][ T2204] br_dev_delete (net/bridge/br_if.c:387) bridge
[  178.310152][ T2204]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  178.310155][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.310157][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310159][ T2204]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  178.310161][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310167][ T2204]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  178.310170][ T2204]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.310171][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310174][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310177][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.310179][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310182][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.310184][ T2204]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  178.310187][ T2204]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  178.310189][ T2204]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  178.310192][ T2204]  ? __kernel_text_address (kernel/extable.c:79)
[  178.310193][ T2204]  ? write_profile (profile.c:?)
[  178.310195][ T2204]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  178.310197][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310198][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310200][ T2204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  178.310204][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.310205][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310207][ T2204]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  178.310209][ T2204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  178.310211][ T2204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  178.310213][ T2204]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  178.310214][ T2204]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  178.310218][ T2204]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  178.310227][ T2204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  178.310228][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.310230][ T2204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  178.310232][ T2204]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  178.310235][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310238][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.310241][ T2204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  178.310244][ T2204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  178.310246][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310247][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310249][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.310251][ T2204]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  178.310253][ T2204]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  178.310255][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310257][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.310259][ T2204]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  178.310261][ T2204]  ? copy_msghdr_from_user (net/socket.c:2650)
[  178.310263][ T2204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  178.310265][ T2204]  ? move_addr_to_kernel (net/socket.c:258)
[  178.310266][ T2204]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  178.310269][ T2204]  ___sys_sendmsg (net/socket.c:2767)
[  178.310271][ T2204]  ? copy_msghdr_from_user (net/socket.c:2619)
[  178.310276][ T2204]  __sys_sendmsg (net/socket.c:2799)
[  178.310278][ T2204]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  178.310281][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.310283][ T2204]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  178.310284][ T2204]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  178.310287][ T2204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.310288][ T2204] RIP: 0033:0x7faf7134554e
[  178.310290][ T2204] 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
[  178.310292][ T2204] RSP: 002b:00007fff7fed96d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  178.310297][ T2204] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faf7134554e
[  178.310299][ T2204] RDX: 0000000000000000 RSI: 00007fff7fed9780 RDI: 0000000000000005
[  178.310301][ T2204] RBP: 00007fff7fed96e0 R08: 0000000000000000 R09: 0000000000000000
[  178.310303][ T2204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c4d
[  178.310304][ T2204] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7fed9e40
| [  191.940187][ T2338] softirqs last disabled at (0): 0x0
| [  191.940188][ T2338] Preemption disabled at:
| [  191.940189][ T2338] vprintk_emit (kernel/printk/printk.c:2471)
| [  191.940201][ T2338] Tainted: [W]=WARN
[  191.940201][ T2338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  191.940203][ T2338] Call Trace:
[  191.940205][ T2338]  <TASK>
[  191.940206][ T2338]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  191.940211][ T2338]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  191.940213][ T2338]  __might_resched.cold (kernel/sched/core.c:9234)
[  191.940217][ T2338]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  191.940221][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940225][ T2338]  __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))
[  191.940228][ T2338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.940231][ T2338]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.940235][ T2338]  ? 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)
[  191.940237][ T2338]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.940239][ T2338]  put_chars (drivers/char/virtio_console.c:1176)
[  191.940240][ T2338]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  191.940242][ T2338]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  191.940244][ T2338]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  191.940247][ T2338]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  191.940250][ T2338]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  191.940251][ T2338]  ? 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)
[  191.940253][ T2338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.940255][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940256][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940258][ T2338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.940260][ T2338]  console_emit_next_record (kernel/printk/printk.c:3183)
[  191.940263][ T2338]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  191.940265][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940267][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940268][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940270][ T2338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.940272][ T2338]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  191.940274][ T2338]  console_flush_one_record (kernel/printk/printk.c:3268)
[  191.940276][ T2338]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  191.940279][ T2338]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  191.940281][ T2338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.940283][ T2338]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  191.940284][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940286][ T2338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.940287][ T2338]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  191.940289][ T2338]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  191.940291][ T2338]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  191.940293][ T2338]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  191.940295][ T2338]  vprintk_emit (kernel/printk/printk.c:2479)
[  191.940298][ T2338]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  191.940307][ T2338]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  191.940310][ T2338]  _printk (kernel/printk/printk.c:2504)
[  191.940316][ T2338]  ? snapshot_read.cold (user.c:?)
[  191.940319][ T2338]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[  191.940321][ T2338] gact_init_module (net/sched/act_gact.c:180) act_gact
[  191.940323][ T2338]  do_one_initcall (init/main.c:1357)
[  191.940325][ T2338]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  191.940328][ T2338]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  191.940331][ T2338]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  191.940334][ T2338]  do_init_module (kernel/module/main.c:3117)
[  191.940337][ T2338]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  191.940339][ T2338]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  191.940341][ T2338]  load_module (kernel/module/main.c:3593)
[  191.940344][ T2338]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  191.940347][ T2338]  ? __ia32_sys_fsconfig (??:?)
[  191.940349][ T2338]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  191.940352][ T2338]  ? backing_file_read_iter (fs/backing-file.c:211)
[  191.940355][ T2338]  init_module_from_file (kernel/module/main.c:3790)
[  191.940358][ T2338]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  191.940360][ T2338]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  191.940363][ T2338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.940364][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940367][ T2338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.940368][ T2338]  ? 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)
[  191.940370][ T2338]  idempotent_init_module (kernel/module/main.c:3802)
[  191.940372][ T2338]  ? init_module_from_file (kernel/module/main.c:3791)
[  191.940375][ T2338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.940377][ T2338]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  191.940381][ T2338]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  191.940383][ T2338]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  191.940386][ T2338]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  191.940389][ T2338]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  191.940391][ T2338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  191.940393][ T2338] RIP: 0033:0x7fe28f01f37d
[  191.940395][ T2338] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  191.940397][ T2338] RSP: 002b:00007ffc3ece8b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  191.940401][ T2338] RAX: ffffffffffffffda RBX: 0000561c4034a810 RCX: 00007fe28f01f37d
[  191.940402][ T2338] RDX: 0000000000000000 RSI: 0000561c14675ffd RDI: 0000000000000000
[  191.940403][ T2338] RBP: 00007ffc3ece8ba0 R08: 0000000000000000 R09: 0000000000000000
[  191.940404][ T2338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c14675ffd
[  191.940405][ T2338] R13: 0000561c4034a960 R14: 0000000000040000 R15: 0000000000000000
| [  208.992130][ T2965] softirqs last disabled at (0): 0x0
| [  208.992132][ T2965] Preemption disabled at:
| [  208.992133][ T2965] 0x0
| [  208.992141][ T2965] Tainted: [W]=WARN
[  208.992142][ T2965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  208.992144][ T2965] Call Trace:
[  208.992146][ T2965]  <TASK>
[  208.992148][ T2965]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  208.992155][ T2965]  __might_resched.cold (kernel/sched/core.c:9234)
[  208.992159][ T2965]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  208.992163][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992167][ T2965]  __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))
[  208.992172][ T2965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  208.992176][ T2965]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.992180][ T2965]  ? 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)
[  208.992182][ T2965]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.992184][ T2965]  put_chars (drivers/char/virtio_console.c:1176)
[  208.992186][ T2965]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  208.992188][ T2965]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  208.992191][ T2965]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  208.992195][ T2965]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  208.992197][ T2965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  208.992199][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992202][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.992205][ T2965]  console_emit_next_record (kernel/printk/printk.c:3183)
[  208.992208][ T2965]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  208.992210][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992212][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992214][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992216][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.992219][ T2965]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  208.992222][ T2965]  console_flush_one_record (kernel/printk/printk.c:3268)
[  208.992225][ T2965]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  208.992228][ T2965]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  208.992230][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.992231][ T2965]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  208.992233][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992235][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  208.992236][ T2965]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  208.992238][ T2965]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  208.992240][ T2965]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  208.992242][ T2965]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  208.992244][ T2965]  vprintk_emit (kernel/printk/printk.c:2479)
[  208.992247][ T2965]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  208.992249][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992250][ T2965]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  208.992253][ T2965]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  208.992255][ T2965]  _printk (kernel/printk/printk.c:2504)
[  208.992259][ T2965]  ? snapshot_read.cold (user.c:?)
[  208.992263][ T2965]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  208.992268][ T2965] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  208.992285][ T2965] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  208.992294][ T2965] br_device_event (net/bridge/br.c:111) bridge
[  208.992303][ T2965]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  208.992306][ T2965]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  208.992309][ T2965]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  208.992316][ T2965]  notifier_call_chain (kernel/notifier.c:85)
[  208.992321][ T2965]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  208.992325][ T2965]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  208.992328][ T2965]  ? netif_change_name (net/core/dev.c:1517)
[  208.992331][ T2965]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  208.992334][ T2965]  ? __kernel_text_address (kernel/extable.c:79)
[  208.992337][ T2965]  ? write_profile (profile.c:?)
[  208.992340][ T2965]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  208.992344][ T2965]  netif_change_flags (net/core/dev.c:9882)
[  208.992346][ T2965]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  208.992349][ T2965]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  208.992351][ T2965]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  208.992352][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992354][ T2965]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  208.992358][ T2965]  ? kasan_save_stack (mm/kasan/common.c:58)
[  208.992361][ T2965]  ? kasan_save_stack (mm/kasan/common.c:57)
[  208.992362][ T2965]  ? kasan_save_track (mm/kasan/common.c:78)
[  208.992364][ T2965]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  208.992366][ T2965]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  208.992369][ T2965]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  208.992371][ T2965]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  208.992373][ T2965]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  208.992377][ T2965]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  208.992378][ T2965]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  208.992379][ T2965]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  208.992382][ T2965]  ? ___sys_sendmsg (net/socket.c:2767)
[  208.992383][ T2965]  ? __sys_sendmsg (net/socket.c:2799)
[  208.992385][ T2965]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  208.992387][ T2965]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  208.992390][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992392][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.992394][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992395][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992397][ T2965]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  208.992400][ T2965]  ? __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)
[  208.992402][ T2965]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  208.992410][ T2965]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  208.992412][ T2965]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  208.992415][ T2965]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  208.992417][ T2965]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  208.992419][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992421][ T2965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  208.992422][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.992423][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992426][ T2965]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  208.992429][ T2965]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  208.992431][ T2965]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  208.992432][ T2965]  ? __kernel_text_address (kernel/extable.c:79)
[  208.992433][ T2965]  ? write_profile (profile.c:?)
[  208.992435][ T2965]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  208.992436][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992438][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992441][ T2965]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  208.992445][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.992448][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992450][ T2965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  208.992451][ T2965]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  208.992453][ T2965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  208.992455][ T2965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  208.992456][ T2965]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  208.992459][ T2965]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  208.992460][ T2965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  208.992462][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  208.992463][ T2965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  208.992465][ T2965]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  208.992467][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992469][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  208.992471][ T2965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  208.992473][ T2965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  208.992475][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992477][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992479][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.992480][ T2965]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  208.992482][ T2965]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  208.992484][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992486][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  208.992488][ T2965]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  208.992490][ T2965]  ? copy_msghdr_from_user (net/socket.c:2650)
[  208.992492][ T2965]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  208.992494][ T2965]  ? move_addr_to_kernel (net/socket.c:258)
[  208.992495][ T2965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  208.992498][ T2965]  ___sys_sendmsg (net/socket.c:2767)
[  208.992500][ T2965]  ? copy_msghdr_from_user (net/socket.c:2619)
[  208.992505][ T2965]  __sys_sendmsg (net/socket.c:2799)
[  208.992507][ T2965]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  208.992510][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.992512][ T2965]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  208.992513][ T2965]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  208.992515][ T2965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  208.992517][ T2965] RIP: 0033:0x7fe65308454e
[  208.992519][ T2965] 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
[  208.992521][ T2965] RSP: 002b:00007ffc6eaaaf30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  208.992525][ T2965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe65308454e
[  208.992526][ T2965] RDX: 0000000000000000 RSI: 00007ffc6eaaafe0 RDI: 0000000000000005
[  208.992528][ T2965] RBP: 00007ffc6eaaaf40 R08: 0000000000000000 R09: 0000000000000000
[  208.992529][ T2965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c6c
[  208.992531][ T2965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6eaab6a0
| [  225.422116][ T3057] softirqs last disabled at (0): 0x0
| [  225.422118][ T3057] Preemption disabled at:
| [  225.422118][ T3057] 0x0
| [  225.422127][ T3057] Tainted: [W]=WARN
[  225.422128][ T3057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  225.422130][ T3057] Call Trace:
[  225.422131][ T3057]  <TASK>
[  225.422133][ T3057]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  225.422139][ T3057]  __might_resched.cold (kernel/sched/core.c:9234)
[  225.422142][ T3057]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  225.422146][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422150][ T3057]  __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))
[  225.422154][ T3057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  225.422157][ T3057]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.422161][ T3057]  ? 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)
[  225.422162][ T3057]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.422165][ T3057]  put_chars (drivers/char/virtio_console.c:1176)
[  225.422167][ T3057]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  225.422168][ T3057]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  225.422172][ T3057]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  225.422175][ T3057]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  225.422177][ T3057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  225.422179][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422180][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.422183][ T3057]  console_emit_next_record (kernel/printk/printk.c:3183)
[  225.422185][ T3057]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  225.422187][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422189][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422190][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422192][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.422194][ T3057]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  225.422196][ T3057]  console_flush_one_record (kernel/printk/printk.c:3268)
[  225.422198][ T3057]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  225.422201][ T3057]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  225.422203][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.422204][ T3057]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  225.422206][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422208][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  225.422209][ T3057]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  225.422210][ T3057]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  225.422213][ T3057]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  225.422215][ T3057]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  225.422217][ T3057]  vprintk_emit (kernel/printk/printk.c:2479)
[  225.422219][ T3057]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  225.422222][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422224][ T3057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  225.422228][ T3057]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  225.422230][ T3057]  _printk (kernel/printk/printk.c:2504)
[  225.422233][ T3057]  ? snapshot_read.cold (user.c:?)
[  225.422236][ T3057]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  225.422241][ T3057] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  225.422254][ T3057] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  225.422266][ T3057] br_device_event (net/bridge/br.c:111) bridge
[  225.422277][ T3057]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  225.422280][ T3057]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  225.422282][ T3057]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  225.422286][ T3057]  notifier_call_chain (kernel/notifier.c:85)
[  225.422289][ T3057]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  225.422293][ T3057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  225.422295][ T3057]  ? netif_change_name (net/core/dev.c:1517)
[  225.422297][ T3057]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  225.422299][ T3057]  ? __kernel_text_address (kernel/extable.c:79)
[  225.422301][ T3057]  ? write_profile (profile.c:?)
[  225.422304][ T3057]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  225.422309][ T3057]  netif_change_flags (net/core/dev.c:9882)
[  225.422315][ T3057]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  225.422318][ T3057]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  225.422320][ T3057]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  225.422321][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422323][ T3057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  225.422329][ T3057]  ? kasan_save_stack (mm/kasan/common.c:58)
[  225.422332][ T3057]  ? kasan_save_stack (mm/kasan/common.c:57)
[  225.422334][ T3057]  ? kasan_save_track (mm/kasan/common.c:78)
[  225.422335][ T3057]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  225.422337][ T3057]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  225.422339][ T3057]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  225.422340][ T3057]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  225.422341][ T3057]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  225.422344][ T3057]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  225.422345][ T3057]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  225.422347][ T3057]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  225.422349][ T3057]  ? ___sys_sendmsg (net/socket.c:2767)
[  225.422351][ T3057]  ? __sys_sendmsg (net/socket.c:2799)
[  225.422353][ T3057]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  225.422355][ T3057]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  225.422357][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422359][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.422361][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422364][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422367][ T3057]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  225.422371][ T3057]  ? __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)
[  225.422372][ T3057]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  225.422374][ T3057]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  225.422375][ T3057]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  225.422377][ T3057]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  225.422380][ T3057]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  225.422382][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422384][ T3057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  225.422385][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.422386][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422388][ T3057]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  225.422392][ T3057]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  225.422394][ T3057]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  225.422395][ T3057]  ? __kernel_text_address (kernel/extable.c:79)
[  225.422396][ T3057]  ? write_profile (profile.c:?)
[  225.422397][ T3057]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  225.422399][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422401][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422402][ T3057]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  225.422406][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.422407][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422410][ T3057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  225.422412][ T3057]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  225.422415][ T3057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  225.422417][ T3057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  225.422419][ T3057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  225.422421][ T3057]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  225.422423][ T3057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  225.422424][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  225.422426][ T3057]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  225.422427][ T3057]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  225.422430][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422431][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  225.422433][ T3057]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  225.422436][ T3057]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  225.422437][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422439][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422441][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.422442][ T3057]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  225.422444][ T3057]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  225.422446][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422448][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  225.422450][ T3057]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  225.422452][ T3057]  ? copy_msghdr_from_user (net/socket.c:2650)
[  225.422455][ T3057]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  225.422457][ T3057]  ? move_addr_to_kernel (net/socket.c:258)
[  225.422459][ T3057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  225.422463][ T3057]  ___sys_sendmsg (net/socket.c:2767)
[  225.422465][ T3057]  ? copy_msghdr_from_user (net/socket.c:2619)
[  225.422473][ T3057]  __sys_sendmsg (net/socket.c:2799)
[  225.422475][ T3057]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  225.422478][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.422480][ T3057]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  225.422482][ T3057]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  225.422484][ T3057]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  225.422486][ T3057] RIP: 0033:0x7fcf34a9554e
[  225.422488][ T3057] 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
[  225.422490][ T3057] RSP: 002b:00007ffc731d4e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  225.422494][ T3057] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcf34a9554e
[  225.422496][ T3057] RDX: 0000000000000000 RSI: 00007ffc731d4f00 RDI: 0000000000000005
[  225.422497][ T3057] RBP: 00007ffc731d4e60 R08: 0000000000000000 R09: 0000000000000000
[  225.422498][ T3057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c7c
[  225.422499][ T3057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc731d55c0
| [  231.213053][ T3111] softirqs last disabled at (0): 0x0
| [  231.213055][ T3111] Preemption disabled at:
| [  231.213056][ T3111] 0x0
| [  231.213065][ T3111] Tainted: [W]=WARN
[  231.213066][ T3111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  231.213067][ T3111] Call Trace:
[  231.213069][ T3111]  <TASK>
[  231.213071][ T3111]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  231.213076][ T3111]  __might_resched.cold (kernel/sched/core.c:9234)
[  231.213080][ T3111]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  231.213084][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213088][ T3111]  __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))
[  231.213092][ T3111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  231.213095][ T3111]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.213098][ T3111]  ? 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)
[  231.213100][ T3111]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.213102][ T3111]  put_chars (drivers/char/virtio_console.c:1176)
[  231.213104][ T3111]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  231.213106][ T3111]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  231.213110][ T3111]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  231.213113][ T3111]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  231.213115][ T3111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  231.213117][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213119][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.213121][ T3111]  console_emit_next_record (kernel/printk/printk.c:3183)
[  231.213124][ T3111]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  231.213126][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213127][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213129][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213131][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.213133][ T3111]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  231.213134][ T3111]  console_flush_one_record (kernel/printk/printk.c:3268)
[  231.213137][ T3111]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  231.213140][ T3111]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  231.213141][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.213143][ T3111]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  231.213145][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213147][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  231.213148][ T3111]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  231.213150][ T3111]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  231.213152][ T3111]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  231.213154][ T3111]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  231.213156][ T3111]  vprintk_emit (kernel/printk/printk.c:2479)
[  231.213158][ T3111]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  231.213160][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213162][ T3111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  231.213165][ T3111]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  231.213166][ T3111]  _printk (kernel/printk/printk.c:2504)
[  231.213169][ T3111]  ? snapshot_read.cold (user.c:?)
[  231.213172][ T3111]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  231.213177][ T3111] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  231.213190][ T3111] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  231.213198][ T3111] br_device_event (net/bridge/br.c:111) bridge
[  231.213207][ T3111]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  231.213210][ T3111]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  231.213213][ T3111]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  231.213216][ T3111]  notifier_call_chain (kernel/notifier.c:85)
[  231.213219][ T3111]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  231.213223][ T3111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  231.213225][ T3111]  ? netif_change_name (net/core/dev.c:1517)
[  231.213227][ T3111]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  231.213229][ T3111]  ? __kernel_text_address (kernel/extable.c:79)
[  231.213231][ T3111]  ? write_profile (profile.c:?)
[  231.213234][ T3111]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  231.213237][ T3111]  netif_change_flags (net/core/dev.c:9882)
[  231.213239][ T3111]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  231.213242][ T3111]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  231.213244][ T3111]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  231.213245][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213247][ T3111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  231.213251][ T3111]  ? kasan_save_stack (mm/kasan/common.c:58)
[  231.213254][ T3111]  ? kasan_save_stack (mm/kasan/common.c:57)
[  231.213255][ T3111]  ? kasan_save_track (mm/kasan/common.c:78)
[  231.213257][ T3111]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  231.213258][ T3111]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  231.213260][ T3111]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  231.213261][ T3111]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  231.213263][ T3111]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  231.213265][ T3111]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  231.213267][ T3111]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  231.213268][ T3111]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  231.213271][ T3111]  ? ___sys_sendmsg (net/socket.c:2767)
[  231.213272][ T3111]  ? __sys_sendmsg (net/socket.c:2799)
[  231.213274][ T3111]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  231.213277][ T3111]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  231.213279][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213281][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.213283][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213284][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213286][ T3111]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  231.213289][ T3111]  ? __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)
[  231.213291][ T3111]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  231.213292][ T3111]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  231.213294][ T3111]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  231.213296][ T3111]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  231.213298][ T3111]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  231.213300][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213302][ T3111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  231.213304][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.213305][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213307][ T3111]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  231.213310][ T3111]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  231.213314][ T3111]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  231.213316][ T3111]  ? __kernel_text_address (kernel/extable.c:79)
[  231.213317][ T3111]  ? write_profile (profile.c:?)
[  231.213318][ T3111]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  231.213320][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213322][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213323][ T3111]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  231.213327][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.213329][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213331][ T3111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  231.213332][ T3111]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  231.213334][ T3111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  231.213335][ T3111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  231.213337][ T3111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  231.213339][ T3111]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  231.213341][ T3111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  231.213342][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  231.213344][ T3111]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  231.213345][ T3111]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  231.213348][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213350][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  231.213352][ T3111]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  231.213354][ T3111]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  231.213355][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213357][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213359][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.213361][ T3111]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  231.213363][ T3111]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  231.213365][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213367][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  231.213368][ T3111]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  231.213370][ T3111]  ? copy_msghdr_from_user (net/socket.c:2650)
[  231.213372][ T3111]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  231.213374][ T3111]  ? move_addr_to_kernel (net/socket.c:258)
[  231.213375][ T3111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  231.213378][ T3111]  ___sys_sendmsg (net/socket.c:2767)
[  231.213380][ T3111]  ? copy_msghdr_from_user (net/socket.c:2619)
[  231.213385][ T3111]  __sys_sendmsg (net/socket.c:2799)
[  231.213387][ T3111]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  231.213390][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.213392][ T3111]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  231.213393][ T3111]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  231.213395][ T3111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  231.213397][ T3111] RIP: 0033:0x7f6b4d5f454e
[  231.213399][ T3111] 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
[  231.213401][ T3111] RSP: 002b:00007ffd8c56a3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  231.213405][ T3111] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6b4d5f454e
[  231.213407][ T3111] RDX: 0000000000000000 RSI: 00007ffd8c56a450 RDI: 0000000000000005
[  231.213407][ T3111] RBP: 00007ffd8c56a3b0 R08: 0000000000000000 R09: 0000000000000000
[  231.213408][ T3111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c82


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__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
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars