======================================
| [    9.623692][  T187] softirqs last disabled at (36693): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.623695][  T187] Preemption disabled at:
| [    9.623696][  T187] 0x0
| [    9.623709][  T187] Tainted: [W]=WARN
[    9.623710][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.623712][  T187] Call Trace:
[    9.623714][  T187]  <TASK>
[    9.623717][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.623725][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.623731][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.623737][  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)
[    9.623744][  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))
[    9.623748][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.623756][  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)
[    9.623760][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.623765][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.623770][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.623772][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.623778][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.623787][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.623798][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.623801][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.623805][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.623812][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.623818][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.623821][  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))
[    9.623826][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.623830][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.623836][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.623843][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.623846][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.623855][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.623859][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.623862][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.623866][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.623872][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.623874][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.623880][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.623886][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.623891][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.623898][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.623903][  T187]  ? snapshot_read.cold (user.c:?)
[    9.623907][  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)
[    9.623911][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.623918][  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)
[    9.623925][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.623930][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.623933][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.623937][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.623945][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.623949][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.623952][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.623955][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.623960][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.623965][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.623968][  T187] RIP: 0033:0x7f3c960821b8
[    9.623971][  T187] Code: Unable to access opcode bytes at 0x7f3c9608218e.

Code starting with the faulting instruction
===========================================
[    9.623973][  T187] RSP: 002b:00007ffdb6148a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.623976][  T187] RAX: ffffffffffffffda RBX: 00007f3c961b2f88 RCX: 00007f3c960821b8
[    9.623978][  T187] RDX: 00007f3c95dccfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.623980][  T187] RBP: 00007ffdb6148ad0 R08: 0000000000000000 R09: 0000000000008010
[    9.623981][  T187] R10: 00007ffdb6148890 R11: 0000000000000246 R12: 0000000000000001
[    9.623982][  T187] R13: 0000000000000000 R14: 00007f3c961b1680 R15: 00007f3c961b2fa0
| [   11.829514][  T266] softirqs last disabled at (12528): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.829516][  T266] Preemption disabled at:
| [   11.829517][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.829526][  T266] Tainted: [W]=WARN
[   11.829527][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.829529][  T266] Call Trace:
[   11.829530][  T266]  <TASK>
[   11.829532][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.829537][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.829539][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.829544][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.829548][  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)
[   11.829553][  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))
[   11.829556][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.829561][  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)
[   11.829564][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.829567][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   11.829569][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.829575][  T266]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.829578][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.829581][  T266]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.829583][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829584][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829588][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.829590][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.829593][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829597][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.829601][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.829604][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.829606][  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))
[   11.829609][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829611][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.829615][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.829619][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.829621][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829626][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.829629][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.829631][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829633][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.829636][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.829638][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.829641][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.829645][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.829653][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.829655][  T266]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.829659][  T266]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.829663][  T266]  _printk (kernel/printk/printk.c:2504)
[   11.829666][  T266]  ? snapshot_read.cold (user.c:?)
[   11.829670][  T266]  ? br_multicast_flood (??:?) bridge
[   11.829682][  T266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.829684][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.829685][  T266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.829689][  T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.829699][  T266] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.829707][  T266] new_nbp (net/bridge/br_if.c:449) bridge
[   11.829716][  T266] br_add_if (net/bridge/br_if.c:592) bridge
[   11.829723][  T266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.829727][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.829730][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   11.829734][  T266]  do_set_master (net/core/rtnetlink.c:3071)
[   11.829738][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.829741][  T266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.829744][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.829745][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.829748][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.829751][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.829754][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.829756][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.829758][  T266]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.829761][  T266]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.829763][  T266]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.829766][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829767][  T266]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.829770][  T266]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.829775][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.829777][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.829779][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829782][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.829783][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829785][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829787][  T266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.829791][  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)
[   11.829792][  T266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.829795][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.829798][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.829799][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.829804][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.829809][  T266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.829814][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.829816][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829820][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.829822][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.829824][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.829826][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.829829][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.829831][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.829834][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.829835][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829840][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.829841][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.829845][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.829846][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.829849][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.829855][  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))
[   11.829857][  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))
[   11.829861][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.829864][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.829867][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.829871][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.829874][  T266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.829878][  T266]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.829883][  T266]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.829885][  T266]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.829887][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.829889][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   11.829896][  T266]  ___sys_sendmsg (net/socket.c:2767)
[   11.829899][  T266]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.829914][  T266]  __sys_sendmsg (net/socket.c:2799)
[   11.829916][  T266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.829924][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.829928][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.829930][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.829933][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.829935][  T266] RIP: 0033:0x7f2b44cec54e
[   11.829939][  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
[   11.829941][  T266] RSP: 002b:00007ffe4059e1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.829943][  T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2b44cec54e
[   11.829945][  T266] RDX: 0000000000000000 RSI: 00007ffe4059e290 RDI: 0000000000000005
[   11.829946][  T266] RBP: 00007ffe4059e1f0 R08: 0000000000000000 R09: 0000000000000000
[   11.829946][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90def4
[   11.829947][  T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4059e950
| [   18.809709][  T348] softirqs last disabled at (14342): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   18.809716][  T348] Preemption disabled at:
| [   18.809717][  T348] 0x0
| [   18.809726][  T348] Tainted: [W]=WARN
[   18.809727][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.809729][  T348] Call Trace:
[   18.809730][  T348]  <TASK>
[   18.809732][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.809738][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.809743][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.809747][  T348]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.809752][  T348]  __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))
[   18.809754][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.809760][  T348]  ? 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)
[   18.809762][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.809766][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   18.809768][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.809770][  T348]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.809774][  T348]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   18.809777][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.809780][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.809781][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.809783][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.809787][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.809788][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.809792][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.809796][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.809800][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.809802][  T348]  ? 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))
[   18.809805][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.809809][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.809813][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.809817][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.809819][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.809824][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.809826][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.809828][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.809830][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.809834][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.809836][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.809839][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.809843][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.809845][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.809847][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.809850][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.809854][  T348]  _printk (kernel/printk/printk.c:2504)
[   18.809858][  T348]  ? snapshot_read.cold (user.c:?)
[   18.809865][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.809876][  T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   18.809885][  T348] br_device_event (net/bridge/br.c:111) bridge
[   18.809893][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.809897][  T348]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.809903][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   18.809908][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   18.809913][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   18.809917][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   18.809920][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   18.809923][  T348]  ? write_profile (profile.c:?)
[   18.809926][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.809931][  T348]  netif_change_flags (net/core/dev.c:9882)
[   18.809935][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.809938][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.809940][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.809941][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.809943][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.809947][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.809949][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.809951][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.809954][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.809957][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.809958][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.809961][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.809963][  T348]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.809965][  T348]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.809970][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.809972][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.809974][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.809977][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.809978][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.809980][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.809982][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.809986][  T348]  ? __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)
[   18.809988][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.809990][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.809993][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.809998][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.810003][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.810009][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.810010][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.810015][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.810016][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.810018][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.810020][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.810024][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.810026][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.810029][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.810030][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.810035][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.810036][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.810040][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.810041][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.810044][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.810050][  T348]  ? 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))
[   18.810052][  T348]  ? 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))
[   18.810056][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.810060][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.810062][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.810066][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.810070][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.810074][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.810079][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.810081][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.810084][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.810085][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   18.810093][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   18.810095][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.810111][  T348]  __sys_sendmsg (net/socket.c:2799)
[   18.810114][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.810120][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.810123][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.810126][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.810128][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.810131][  T348] RIP: 0033:0x7f8b1f51254e
[   18.810133][  T348] 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
[   18.810135][  T348] RSP: 002b:00007fff1a7b50f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.810137][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8b1f51254e
[   18.810139][  T348] RDX: 0000000000000000 RSI: 00007fff1a7b51a0 RDI: 0000000000000005
[   18.810139][  T348] RBP: 00007fff1a7b5100 R08: 0000000000000000 R09: 0000000000000000
[   18.810140][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90defb
[   18.810141][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1a7b5860
| [   24.067533][  T357] softirqs last disabled at (13444): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   24.067541][  T357] Preemption disabled at:
| [   24.067541][  T357] 0x0
| [   24.067551][  T357] Tainted: [W]=WARN
[   24.067552][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.067553][  T357] Call Trace:
[   24.067555][  T357]  <TASK>
[   24.067556][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.067562][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.067567][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.067571][  T357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.067576][  T357]  __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))
[   24.067578][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.067584][  T357]  ? 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)
[   24.067586][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.067589][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   24.067591][  T357]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.067593][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.067596][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.067599][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.067604][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.067606][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.067608][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.067612][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.067613][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.067617][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.067619][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.067623][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.067627][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.067629][  T357]  ? 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))
[   24.067632][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.067634][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.067638][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.067642][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.067643][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.067648][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.067651][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.067653][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.067655][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.067659][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.067660][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.067664][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.067668][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.067676][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.067679][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.067682][  T357]  _printk (kernel/printk/printk.c:2504)
[   24.067686][  T357]  ? snapshot_read.cold (user.c:?)
[   24.067694][  T357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.067704][  T357] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   24.067712][  T357] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   24.067720][  T357] br_dev_stop (net/bridge/br_device.c:193) bridge
[   24.067729][  T357]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.067731][  T357]  __dev_close_many (net/core/dev.c:1798)
[   24.067735][  T357]  ? netif_open (net/core/dev.c:1755)
[   24.067737][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.067739][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.067743][  T357]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   24.067747][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   24.067750][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   24.067752][  T357]  ? write_profile (profile.c:?)
[   24.067754][  T357]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.067759][  T357]  netif_change_flags (net/core/dev.c:9877)
[   24.067763][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.067766][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.067768][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.067769][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.067771][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.067774][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.067777][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.067779][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.067781][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.067784][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.067785][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.067788][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.067790][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   24.067792][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.067797][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.067799][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.067801][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.067804][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.067805][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.067807][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.067809][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.067812][  T357]  ? __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)
[   24.067816][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.067818][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.067821][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.067826][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.067831][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.067836][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.067838][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.067842][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.067844][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.067846][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.067848][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.067851][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.067853][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.067856][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.067858][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.067862][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.067864][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.067867][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.067869][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.067872][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.067878][  T357]  ? 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))
[   24.067879][  T357]  ? 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))
[   24.067883][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.067887][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.067889][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.067893][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.067897][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.067901][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.067906][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.067908][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.067911][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.067912][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   24.067919][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   24.067924][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.067939][  T357]  __sys_sendmsg (net/socket.c:2799)
[   24.067942][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.067948][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.067952][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.067954][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.067957][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.067960][  T357] RIP: 0033:0x7feacdb7954e
[   24.067962][  T357] 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
[   24.067963][  T357] RSP: 002b:00007fff9acc29a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.067966][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feacdb7954e
[   24.067967][  T357] RDX: 0000000000000000 RSI: 00007fff9acc2a50 RDI: 0000000000000005
[   24.067968][  T357] RBP: 00007fff9acc29b0 R08: 0000000000000000 R09: 0000000000000000
[   24.067969][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df00
[   24.067970][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9acc3110
| [   29.962799][  T393] softirqs last disabled at (11658): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   29.962807][  T393] Preemption disabled at:
| [   29.962807][  T393] 0x0
| [   29.962817][  T393] Tainted: [W]=WARN
[   29.962818][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.962820][  T393] Call Trace:
[   29.962821][  T393]  <TASK>
[   29.962823][  T393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.962829][  T393]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.962834][  T393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.962838][  T393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.962843][  T393]  __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))
[   29.962846][  T393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.962851][  T393]  ? 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)
[   29.962854][  T393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.962857][  T393]  put_chars (drivers/char/virtio_console.c:1176)
[   29.962859][  T393]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.962861][  T393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.962864][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.962868][  T393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.962872][  T393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.962874][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.962876][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.962881][  T393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.962882][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.962885][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.962888][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.962892][  T393]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.962896][  T393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.962897][  T393]  ? 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))
[   29.962901][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.962903][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.962907][  T393]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.962911][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.962913][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.962918][  T393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.962922][  T393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.962924][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.962927][  T393]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.962930][  T393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.962932][  T393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.962935][  T393]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.962939][  T393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.962942][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.962945][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.962949][  T393]  _printk (kernel/printk/printk.c:2504)
[   29.962952][  T393]  ? snapshot_read.cold (user.c:?)
[   29.962960][  T393] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.962970][  T393] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.962979][  T393] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   29.962986][  T393] br_dev_stop (net/bridge/br_device.c:193) bridge
[   29.962995][  T393]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.962997][  T393]  __dev_close_many (net/core/dev.c:1798)
[   29.963002][  T393]  ? netif_open (net/core/dev.c:1755)
[   29.963003][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.963006][  T393]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.963010][  T393]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   29.963013][  T393]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.963016][  T393]  ? __kernel_text_address (kernel/extable.c:79)
[   29.963018][  T393]  ? write_profile (profile.c:?)
[   29.963021][  T393]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.963025][  T393]  netif_change_flags (net/core/dev.c:9877)
[   29.963029][  T393]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.963033][  T393]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.963035][  T393]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.963036][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.963038][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.963041][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.963044][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.963045][  T393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.963048][  T393]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.963051][  T393]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.963053][  T393]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.963056][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.963057][  T393]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   29.963060][  T393]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.963065][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.963067][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.963069][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.963072][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.963073][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.963075][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.963077][  T393]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.963081][  T393]  ? __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)
[   29.963084][  T393]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.963086][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.963090][  T393]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.963095][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.963100][  T393]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.963105][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.963107][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.963112][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.963113][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.963115][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.963117][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.963121][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.963123][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.963126][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.963127][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.963132][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.963133][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.963137][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.963139][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.963142][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.963148][  T393]  ? 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))
[   29.963149][  T393]  ? 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))
[   29.963153][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.963157][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.963159][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.963164][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.963167][  T393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.963171][  T393]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.963177][  T393]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.963179][  T393]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.963181][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.963183][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   29.963190][  T393]  ___sys_sendmsg (net/socket.c:2767)
[   29.963193][  T393]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.963209][  T393]  __sys_sendmsg (net/socket.c:2799)
[   29.963212][  T393]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.963218][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.963222][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.963224][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.963227][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.963229][  T393] RIP: 0033:0x7f009a9ac54e
[   29.963231][  T393] 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
[   29.963233][  T393] RSP: 002b:00007ffcb5eea510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.963236][  T393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f009a9ac54e
[   29.963237][  T393] RDX: 0000000000000000 RSI: 00007ffcb5eea5c0 RDI: 0000000000000005
[   29.963238][  T393] RBP: 00007ffcb5eea520 R08: 0000000000000000 R09: 0000000000000000
[   29.963239][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df06
[   29.963240][  T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb5eeac80
| [   36.319006][  T693] softirqs last disabled at (14430): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   36.319014][  T693] Preemption disabled at:
| [   36.319014][  T693] 0x0
| [   36.319024][  T693] Tainted: [W]=WARN
[   36.319025][  T693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.319026][  T693] Call Trace:
[   36.319028][  T693]  <TASK>
[   36.319029][  T693]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.319036][  T693]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.319040][  T693]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.319045][  T693]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.319050][  T693]  __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))
[   36.319052][  T693]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.319057][  T693]  ? 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)
[   36.319060][  T693]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.319063][  T693]  put_chars (drivers/char/virtio_console.c:1176)
[   36.319065][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.319069][  T693]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.319071][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.319074][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.319077][  T693]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.319080][  T693]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.319083][  T693]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.319085][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.319086][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.319090][  T693]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.319091][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.319096][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.319099][  T693]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.319103][  T693]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.319105][  T693]  ? 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))
[   36.319108][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.319110][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.319114][  T693]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.319118][  T693]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.319120][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.319125][  T693]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.319128][  T693]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.319130][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.319132][  T693]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.319135][  T693]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.319137][  T693]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.319140][  T693]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.319144][  T693]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.319146][  T693]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.319148][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.319151][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.319155][  T693]  _printk (kernel/printk/printk.c:2504)
[   36.319158][  T693]  ? snapshot_read.cold (user.c:?)
[   36.319166][  T693] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   36.319177][  T693] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   36.319186][  T693] br_device_event (net/bridge/br.c:111) bridge
[   36.319193][  T693]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.319197][  T693]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   36.319203][  T693]  notifier_call_chain (kernel/notifier.c:85)
[   36.319209][  T693]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.319213][  T693]  ? netif_change_name (net/core/dev.c:1517)
[   36.319217][  T693]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   36.319220][  T693]  ? __kernel_text_address (kernel/extable.c:79)
[   36.319222][  T693]  ? write_profile (profile.c:?)
[   36.319224][  T693]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.319229][  T693]  netif_change_flags (net/core/dev.c:9882)
[   36.319233][  T693]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.319236][  T693]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.319238][  T693]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.319240][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.319241][  T693]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.319245][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.319247][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.319249][  T693]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.319251][  T693]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.319254][  T693]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.319256][  T693]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.319258][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.319260][  T693]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   36.319263][  T693]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.319268][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.319269][  T693]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.319272][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.319274][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.319276][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.319278][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.319280][  T693]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.319283][  T693]  ? __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)
[   36.319285][  T693]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.319287][  T693]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.319290][  T693]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.319296][  T693]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.319301][  T693]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.319308][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.319310][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.319315][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.319316][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.319319][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.319320][  T693]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.319324][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.319326][  T693]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.319329][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.319330][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.319335][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.319336][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.319340][  T693]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.319342][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.319345][  T693]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.319351][  T693]  ? 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))
[   36.319352][  T693]  ? 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))
[   36.319356][  T693]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.319360][  T693]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.319363][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.319367][  T693]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.319370][  T693]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.319374][  T693]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.319380][  T693]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.319382][  T693]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.319384][  T693]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.319386][  T693]  ? move_addr_to_kernel (net/socket.c:258)
[   36.319393][  T693]  ___sys_sendmsg (net/socket.c:2767)
[   36.319396][  T693]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.319411][  T693]  __sys_sendmsg (net/socket.c:2799)
[   36.319414][  T693]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.319420][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.319424][  T693]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.319426][  T693]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.319429][  T693]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.319432][  T693] RIP: 0033:0x7f2fbd35754e
[   36.319434][  T693] 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
[   36.319435][  T693] RSP: 002b:00007ffdbd9333a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.319438][  T693] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2fbd35754e
[   36.319439][  T693] RDX: 0000000000000000 RSI: 00007ffdbd933450 RDI: 0000000000000005
[   36.319440][  T693] RBP: 00007ffdbd9333b0 R08: 0000000000000000 R09: 0000000000000000
[   36.319441][  T693] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df0c
[   36.319442][  T693] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbd933b10
| [   41.569982][  T702] softirqs last disabled at (21408): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   41.569994][  T702] Preemption disabled at:
| [   41.569995][  T702] 0x0
| [   41.570008][  T702] Tainted: [W]=WARN
[   41.570009][  T702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.570012][  T702] Call Trace:
[   41.570014][  T702]  <TASK>
[   41.570016][  T702]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.570024][  T702]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.570031][  T702]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.570037][  T702]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.570044][  T702]  __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))
[   41.570047][  T702]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.570056][  T702]  ? 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)
[   41.570059][  T702]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.570065][  T702]  put_chars (drivers/char/virtio_console.c:1176)
[   41.570067][  T702]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   41.570071][  T702]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.570076][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.570080][  T702]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.570087][  T702]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.570090][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.570092][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.570100][  T702]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.570102][  T702]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   41.570108][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.570112][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.570119][  T702]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.570125][  T702]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.570127][  T702]  ? 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))
[   41.570132][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.570136][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.570143][  T702]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.570150][  T702]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.570152][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.570161][  T702]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.570166][  T702]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.570168][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.570172][  T702]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.570178][  T702]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.570180][  T702]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.570186][  T702]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.570192][  T702]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.570197][  T702]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.570201][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.570207][  T702]  _printk (kernel/printk/printk.c:2504)
[   41.570213][  T702]  ? snapshot_read.cold (user.c:?)
[   41.570227][  T702] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   41.570244][  T702] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   41.570259][  T702] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   41.570273][  T702] br_dev_stop (net/bridge/br_device.c:193) bridge
[   41.570288][  T702]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.570291][  T702]  __dev_close_many (net/core/dev.c:1798)
[   41.570297][  T702]  ? netif_open (net/core/dev.c:1755)
[   41.570303][  T702]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   41.570311][  T702]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.570316][  T702]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   41.570321][  T702]  ? __kernel_text_address (kernel/extable.c:79)
[   41.570324][  T702]  ? write_profile (profile.c:?)
[   41.570327][  T702]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.570335][  T702]  netif_change_flags (net/core/dev.c:9877)
[   41.570341][  T702]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.570347][  T702]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.570350][  T702]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.570352][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.570355][  T702]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.570360][  T702]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.570363][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.570366][  T702]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.570371][  T702]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.570374][  T702]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.570377][  T702]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.570381][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.570384][  T702]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   41.570388][  T702]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.570395][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.570398][  T702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.570403][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.570407][  T702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.570409][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.570411][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.570415][  T702]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.570420][  T702]  ? __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)
[   41.570424][  T702]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.570427][  T702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.570434][  T702]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.570443][  T702]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.570453][  T702]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.570463][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.570466][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.570474][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.570477][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.570480][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.570484][  T702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.570490][  T702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.570494][  T702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.570499][  T702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.570502][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.570510][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.570513][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.570519][  T702]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.570522][  T702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.570527][  T702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.570538][  T702]  ? 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))
[   41.570541][  T702]  ? 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))
[   41.570548][  T702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.570555][  T702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.570559][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.570567][  T702]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.570573][  T702]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.570580][  T702]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.570589][  T702]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.570593][  T702]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.570596][  T702]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.570599][  T702]  ? move_addr_to_kernel (net/socket.c:258)
[   41.570612][  T702]  ___sys_sendmsg (net/socket.c:2767)
[   41.570617][  T702]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.570647][  T702]  __sys_sendmsg (net/socket.c:2799)
[   41.570652][  T702]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.570663][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.570670][  T702]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.570673][  T702]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.570678][  T702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.570682][  T702] RIP: 0033:0x7f433144b54e
[   41.570685][  T702] 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
[   41.570688][  T702] RSP: 002b:00007ffc62337d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.570691][  T702] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f433144b54e
[   41.570693][  T702] RDX: 0000000000000000 RSI: 00007ffc62337db0 RDI: 0000000000000005
[   41.570694][  T702] RBP: 00007ffc62337d10 R08: 0000000000000000 R09: 0000000000000000
[   41.570695][  T702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df11
[   41.570696][  T702] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc62338470
| [   47.528854][  T738] softirqs last disabled at (14464): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   47.528861][  T738] Preemption disabled at:
| [   47.528861][  T738] 0x0
| [   47.528871][  T738] Tainted: [W]=WARN
[   47.528872][  T738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.528874][  T738] Call Trace:
[   47.528875][  T738]  <TASK>
[   47.528877][  T738]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.528883][  T738]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.528887][  T738]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.528892][  T738]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.528896][  T738]  __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))
[   47.528899][  T738]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.528904][  T738]  ? 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)
[   47.528907][  T738]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.528910][  T738]  put_chars (drivers/char/virtio_console.c:1176)
[   47.528912][  T738]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   47.528914][  T738]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.528917][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.528920][  T738]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.528926][  T738]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.528929][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.528930][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.528935][  T738]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.528936][  T738]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   47.528939][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.528942][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.528946][  T738]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.528950][  T738]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.528952][  T738]  ? 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))
[   47.528955][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.528957][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.528961][  T738]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.528965][  T738]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.528967][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.528972][  T738]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.528975][  T738]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.528977][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.528979][  T738]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.528982][  T738]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.528984][  T738]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.528987][  T738]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.528991][  T738]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.528994][  T738]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.528997][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.529000][  T738]  _printk (kernel/printk/printk.c:2504)
[   47.529005][  T738]  ? snapshot_read.cold (user.c:?)
[   47.529012][  T738] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   47.529022][  T738] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   47.529031][  T738] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   47.529038][  T738] br_dev_stop (net/bridge/br_device.c:193) bridge
[   47.529048][  T738]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.529050][  T738]  __dev_close_many (net/core/dev.c:1798)
[   47.529054][  T738]  ? netif_open (net/core/dev.c:1755)
[   47.529056][  T738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.529058][  T738]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.529063][  T738]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   47.529066][  T738]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   47.529069][  T738]  ? __kernel_text_address (kernel/extable.c:79)
[   47.529071][  T738]  ? write_profile (profile.c:?)
[   47.529073][  T738]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.529078][  T738]  netif_change_flags (net/core/dev.c:9877)
[   47.529082][  T738]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   47.529085][  T738]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.529087][  T738]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.529088][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.529090][  T738]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.529093][  T738]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.529096][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.529098][  T738]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.529100][  T738]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.529103][  T738]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.529104][  T738]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.529107][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.529109][  T738]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   47.529111][  T738]  ? ___sys_sendmsg (net/socket.c:2757)
[   47.529116][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.529118][  T738]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.529121][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.529123][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.529125][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.529126][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.529129][  T738]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.529132][  T738]  ? __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)
[   47.529135][  T738]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.529137][  T738]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.529140][  T738]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.529145][  T738]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.529150][  T738]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.529156][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.529157][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.529162][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.529163][  T738]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.529165][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.529167][  T738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.529171][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.529173][  T738]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.529176][  T738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.529177][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.529181][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.529183][  T738]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.529186][  T738]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.529188][  T738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.529191][  T738]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.529197][  T738]  ? 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))
[   47.529198][  T738]  ? 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))
[   47.529202][  T738]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.529206][  T738]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.529208][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.529212][  T738]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.529216][  T738]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.529220][  T738]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.529226][  T738]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.529228][  T738]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.529230][  T738]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.529232][  T738]  ? move_addr_to_kernel (net/socket.c:258)
[   47.529239][  T738]  ___sys_sendmsg (net/socket.c:2767)
[   47.529242][  T738]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.529257][  T738]  __sys_sendmsg (net/socket.c:2799)
[   47.529260][  T738]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.529266][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.529270][  T738]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.529272][  T738]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.529275][  T738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.529277][  T738] RIP: 0033:0x7f49873af54e
[   47.529280][  T738] 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
[   47.529281][  T738] RSP: 002b:00007fffbe0e6020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.529284][  T738] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f49873af54e
[   47.529285][  T738] RDX: 0000000000000000 RSI: 00007fffbe0e60d0 RDI: 0000000000000005
[   47.529286][  T738] RBP: 00007fffbe0e6030 R08: 0000000000000000 R09: 0000000000000000
[   47.529287][  T738] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df17
[   47.529288][  T738] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbe0e6790
| [   50.040685][  T854] softirqs last disabled at (15916): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   50.040693][  T854] Preemption disabled at:
| [   50.040693][  T854] 0x0
| [   50.040703][  T854] Tainted: [W]=WARN
[   50.040704][  T854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.040705][  T854] Call Trace:
[   50.040707][  T854]  <TASK>
[   50.040709][  T854]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.040715][  T854]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.040724][  T854]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.040728][  T854]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.040733][  T854]  __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))
[   50.040736][  T854]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.040741][  T854]  ? 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)
[   50.040744][  T854]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.040747][  T854]  put_chars (drivers/char/virtio_console.c:1176)
[   50.040750][  T854]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.040753][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.040757][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.040760][  T854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.040763][  T854]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.040766][  T854]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.040768][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.040769][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.040773][  T854]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.040775][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.040779][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.040783][  T854]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.040787][  T854]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.040788][  T854]  ? 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))
[   50.040792][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.040794][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.040798][  T854]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.040802][  T854]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.040804][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.040809][  T854]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.040812][  T854]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.040813][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.040816][  T854]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.040819][  T854]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.040821][  T854]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.040824][  T854]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.040829][  T854]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.040830][  T854]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.040833][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.040835][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.040839][  T854]  _printk (kernel/printk/printk.c:2504)
[   50.040843][  T854]  ? snapshot_read.cold (user.c:?)
[   50.040850][  T854] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   50.040861][  T854] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   50.040871][  T854] br_device_event (net/bridge/br.c:111) bridge
[   50.040878][  T854]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   50.040882][  T854]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   50.040887][  T854]  notifier_call_chain (kernel/notifier.c:85)
[   50.040893][  T854]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   50.040898][  T854]  ? netif_change_name (net/core/dev.c:1517)
[   50.040901][  T854]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   50.040904][  T854]  ? __kernel_text_address (kernel/extable.c:79)
[   50.040907][  T854]  ? write_profile (profile.c:?)
[   50.040909][  T854]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.040914][  T854]  netif_change_flags (net/core/dev.c:9882)
[   50.040918][  T854]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   50.040924][  T854]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.040926][  T854]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.040927][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.040929][  T854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.040932][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.040935][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.040937][  T854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.040939][  T854]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.040942][  T854]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.040944][  T854]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.040946][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.040948][  T854]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   50.040951][  T854]  ? ___sys_sendmsg (net/socket.c:2757)
[   50.040956][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.040958][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.040960][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.040962][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.040964][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.040966][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.040968][  T854]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.040972][  T854]  ? __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)
[   50.040973][  T854]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.040975][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.040979][  T854]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.040984][  T854]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.040989][  T854]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.040994][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.040996][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.041000][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.041002][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.041004][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.041006][  T854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.041010][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.041012][  T854]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.041015][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.041016][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.041021][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.041023][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.041026][  T854]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.041028][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.041030][  T854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.041037][  T854]  ? 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))
[   50.041038][  T854]  ? 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))
[   50.041042][  T854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.041046][  T854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.041049][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.041053][  T854]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.041056][  T854]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.041060][  T854]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.041066][  T854]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.041068][  T854]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.041070][  T854]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.041072][  T854]  ? move_addr_to_kernel (net/socket.c:258)
[   50.041079][  T854]  ___sys_sendmsg (net/socket.c:2767)
[   50.041082][  T854]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.041098][  T854]  __sys_sendmsg (net/socket.c:2799)
[   50.041101][  T854]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.041107][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.041110][  T854]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.041113][  T854]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.041116][  T854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.041118][  T854] RIP: 0033:0x7fecefc4854e
[   50.041120][  T854] 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
[   50.041122][  T854] RSP: 002b:00007ffc6725f1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.041125][  T854] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fecefc4854e
[   50.041126][  T854] RDX: 0000000000000000 RSI: 00007ffc6725f270 RDI: 0000000000000005
[   50.041127][  T854] RBP: 00007ffc6725f1d0 R08: 0000000000000000 R09: 0000000000000000
[   50.041128][  T854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df1a
[   50.041128][  T854] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6725f930
| [   55.307592][  T863] softirqs last disabled at (11856): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   55.307599][  T863] Preemption disabled at:
| [   55.307600][  T863] 0x0
| [   55.307610][  T863] Tainted: [W]=WARN
[   55.307611][  T863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.307612][  T863] Call Trace:
[   55.307614][  T863]  <TASK>
[   55.307615][  T863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.307622][  T863]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.307626][  T863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.307630][  T863]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.307636][  T863]  __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))
[   55.307638][  T863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.307643][  T863]  ? 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)
[   55.307646][  T863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.307649][  T863]  put_chars (drivers/char/virtio_console.c:1176)
[   55.307651][  T863]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   55.307653][  T863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.307656][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.307659][  T863]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.307663][  T863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.307666][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.307667][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.307672][  T863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.307673][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   55.307676][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.307679][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.307683][  T863]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.307686][  T863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.307688][  T863]  ? 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))
[   55.307691][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.307694][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.307697][  T863]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.307701][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.307703][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.307708][  T863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.307711][  T863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.307713][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.307715][  T863]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.307718][  T863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.307720][  T863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.307723][  T863]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.307733][  T863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.307736][  T863]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.307738][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.307742][  T863]  _printk (kernel/printk/printk.c:2504)
[   55.307746][  T863]  ? snapshot_read.cold (user.c:?)
[   55.307753][  T863] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.307763][  T863] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   55.307771][  T863] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   55.307779][  T863] br_dev_stop (net/bridge/br_device.c:193) bridge
[   55.307788][  T863]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.307790][  T863]  __dev_close_many (net/core/dev.c:1798)
[   55.307794][  T863]  ? netif_open (net/core/dev.c:1755)
[   55.307796][  T863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.307798][  T863]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.307802][  T863]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   55.307806][  T863]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   55.307809][  T863]  ? __kernel_text_address (kernel/extable.c:79)
[   55.307811][  T863]  ? write_profile (profile.c:?)
[   55.307813][  T863]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.307818][  T863]  netif_change_flags (net/core/dev.c:9877)
[   55.307822][  T863]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   55.307825][  T863]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.307827][  T863]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.307828][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.307830][  T863]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.307834][  T863]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.307836][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.307838][  T863]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.307840][  T863]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.307843][  T863]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.307845][  T863]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.307847][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.307849][  T863]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   55.307852][  T863]  ? ___sys_sendmsg (net/socket.c:2757)
[   55.307856][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.307858][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.307861][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.307863][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.307865][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.307866][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.307869][  T863]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.307872][  T863]  ? __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)
[   55.307875][  T863]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.307877][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.307881][  T863]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.307886][  T863]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.307891][  T863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.307896][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.307898][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.307902][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.307904][  T863]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.307906][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.307908][  T863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.307912][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.307914][  T863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.307917][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.307918][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.307925][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.307927][  T863]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.307930][  T863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.307932][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.307935][  T863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.307941][  T863]  ? 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))
[   55.307942][  T863]  ? 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))
[   55.307947][  T863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.307950][  T863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.307953][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.307957][  T863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.307961][  T863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.307964][  T863]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.307970][  T863]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.307972][  T863]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.307974][  T863]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.307976][  T863]  ? move_addr_to_kernel (net/socket.c:258)
[   55.307983][  T863]  ___sys_sendmsg (net/socket.c:2767)
[   55.307986][  T863]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.308001][  T863]  __sys_sendmsg (net/socket.c:2799)
[   55.308004][  T863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.308010][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.308014][  T863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.308016][  T863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.308019][  T863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.308021][  T863] RIP: 0033:0x7ff60451254e
[   55.308023][  T863] 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
[   55.308025][  T863] RSP: 002b:00007fffe3990630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.308028][  T863] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff60451254e
[   55.308029][  T863] RDX: 0000000000000000 RSI: 00007fffe39906e0 RDI: 0000000000000005
[   55.308030][  T863] RBP: 00007fffe3990640 R08: 0000000000000000 R09: 0000000000000000
[   55.308030][  T863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df1f
[   55.308031][  T863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe3990da0
| [   56.317864][  T902] softirqs last disabled at (19690): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.317866][  T902] Preemption disabled at:
| [   56.317867][  T902] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.317875][  T902] Tainted: [W]=WARN
[   56.317876][  T902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.317877][  T902] Call Trace:
[   56.317879][  T902]  <TASK>
[   56.317880][  T902]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.317885][  T902]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.317888][  T902]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.317892][  T902]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.317896][  T902]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.317901][  T902]  __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))
[   56.317903][  T902]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.317908][  T902]  ? 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)
[   56.317911][  T902]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.317913][  T902]  put_chars (drivers/char/virtio_console.c:1176)
[   56.317916][  T902]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.317926][  T902]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.317932][  T902]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.317934][  T902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.317938][  T902]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.317942][  T902]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.317943][  T902]  ? 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))
[   56.317947][  T902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.317950][  T902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.317954][  T902]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.317958][  T902]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.317960][  T902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.317965][  T902]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.317968][  T902]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.317969][  T902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.317972][  T902]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.317975][  T902]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.317977][  T902]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.317980][  T902]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.317984][  T902]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.317987][  T902]  ? __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)
[   56.317989][  T902]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.317991][  T902]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.317994][  T902]  _printk (kernel/printk/printk.c:2504)
[   56.317997][  T902]  ? snapshot_read.cold (user.c:?)
[   56.318000][  T902]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   56.318014][  T902]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   56.318019][  T902] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   56.318028][  T902] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   56.318037][  T902] new_nbp (net/bridge/br_if.c:449) bridge
[   56.318046][  T902] br_add_if (net/bridge/br_if.c:592) bridge
[   56.318052][  T902]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.318058][  T902]  do_set_master (net/core/rtnetlink.c:3071)
[   56.318063][  T902]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.318066][  T902]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.318068][  T902]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.318070][  T902]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.318079][  T902]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.318086][  T902]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.318091][  T902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.318093][  T902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.318099][  T902]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.318103][  T902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.318104][  T902]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.318107][  T902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.318109][  T902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.318113][  T902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.318115][  T902]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.318118][  T902]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.318121][  T902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.318124][  T902]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.318130][  T902]  ? 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))
[   56.318131][  T902]  ? 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))
[   56.318135][  T902]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.318139][  T902]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.318142][  T902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.318146][  T902]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.318149][  T902]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.318153][  T902]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.318158][  T902]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.318162][  T902]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.318164][  T902]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.318165][  T902]  ? move_addr_to_kernel (net/socket.c:258)
[   56.318169][  T902]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   56.318172][  T902]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   56.318176][  T902]  ___sys_sendmsg (net/socket.c:2767)
[   56.318179][  T902]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.318194][  T902]  __sys_sendmsg (net/socket.c:2799)
[   56.318197][  T902]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.318202][  T902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.318205][  T902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.318208][  T902]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.318210][  T902]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.318213][  T902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.318215][  T902] RIP: 0033:0x7f17cd2fd54e
[   56.318219][  T902] 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
[   56.318220][  T902] RSP: 002b:00007ffc0ce5ffa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.318223][  T902] RAX: ffffffffffffffda RBX: 00007ffc0ce60758 RCX: 00007f17cd2fd54e
[   56.318224][  T902] RDX: 0000000000000000 RSI: 00007ffc0ce60050 RDI: 0000000000000005
[   56.318225][  T902] RBP: 00007ffc0ce5ffb0 R08: 0000000000000000 R09: 0000000000000000
[   56.318226][  T902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df20
[   56.318227][  T902] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0ce60710
| [   57.332812][  T945] softirqs last disabled at (20838): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.332815][  T945] Preemption disabled at:
| [   57.332815][  T945] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.332825][  T945] Tainted: [W]=WARN
[   57.332825][  T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.332827][  T945] Call Trace:
[   57.332829][  T945]  <TASK>
[   57.332830][  T945]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.332836][  T945]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.332839][  T945]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.332843][  T945]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.332848][  T945]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.332853][  T945]  __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))
[   57.332855][  T945]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.332861][  T945]  ? 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)
[   57.332864][  T945]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.332867][  T945]  put_chars (drivers/char/virtio_console.c:1176)
[   57.332870][  T945]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.332876][  T945]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.332883][  T945]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.332886][  T945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.332890][  T945]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.332894][  T945]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.332896][  T945]  ? 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))
[   57.332900][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.332903][  T945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.332908][  T945]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.332912][  T945]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.332914][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.332920][  T945]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.332924][  T945]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.332926][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.332929][  T945]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.332933][  T945]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.332935][  T945]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.332938][  T945]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.332943][  T945]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.332946][  T945]  ? __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)
[   57.332949][  T945]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.332951][  T945]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.332955][  T945]  _printk (kernel/printk/printk.c:2504)
[   57.332959][  T945]  ? snapshot_read.cold (user.c:?)
[   57.332963][  T945]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   57.332978][  T945]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   57.332984][  T945] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.332996][  T945] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.333006][  T945] new_nbp (net/bridge/br_if.c:449) bridge
[   57.333017][  T945] br_add_if (net/bridge/br_if.c:592) bridge
[   57.333025][  T945]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   57.333032][  T945]  do_set_master (net/core/rtnetlink.c:3071)
[   57.333038][  T945]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   57.333042][  T945]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   57.333044][  T945]  ? __dev_get_by_name (net/core/dev.c:905)
[   57.333047][  T945]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   57.333058][  T945]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   57.333066][  T945]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.333073][  T945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.333075][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.333082][  T945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.333086][  T945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.333089][  T945]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.333092][  T945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.333094][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.333098][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.333100][  T945]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.333104][  T945]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.333107][  T945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.333110][  T945]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.333117][  T945]  ? 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))
[   57.333119][  T945]  ? 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))
[   57.333124][  T945]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.333128][  T945]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.333131][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.333135][  T945]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.333139][  T945]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.333144][  T945]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.333150][  T945]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.333154][  T945]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.333156][  T945]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.333158][  T945]  ? move_addr_to_kernel (net/socket.c:258)
[   57.333163][  T945]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.333165][  T945]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.333170][  T945]  ___sys_sendmsg (net/socket.c:2767)
[   57.333173][  T945]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.333191][  T945]  __sys_sendmsg (net/socket.c:2799)
[   57.333194][  T945]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.333201][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.333204][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.333208][  T945]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.333211][  T945]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.333214][  T945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.333216][  T945] RIP: 0033:0x7f025c8ae54e
[   57.333220][  T945] 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
[   57.333222][  T945] RSP: 002b:00007ffc9754c4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.333225][  T945] RAX: ffffffffffffffda RBX: 00007ffc9754cc58 RCX: 00007f025c8ae54e
[   57.333226][  T945] RDX: 0000000000000000 RSI: 00007ffc9754c550 RDI: 0000000000000005
[   57.333227][  T945] RBP: 00007ffc9754c4b0 R08: 0000000000000000 R09: 0000000000000000
[   57.333228][  T945] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df21
[   57.333229][  T945] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9754cc10
| [   58.362039][  T987] softirqs last disabled at (27961): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   58.362041][  T987] Preemption disabled at:
| [   58.362042][  T987] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.362050][  T987] Tainted: [W]=WARN
[   58.362051][  T987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.362053][  T987] Call Trace:
[   58.362054][  T987]  <TASK>
[   58.362056][  T987]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.362062][  T987]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.362064][  T987]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.362069][  T987]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.362073][  T987]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.362078][  T987]  __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))
[   58.362081][  T987]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.362087][  T987]  ? 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)
[   58.362089][  T987]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.362093][  T987]  put_chars (drivers/char/virtio_console.c:1176)
[   58.362096][  T987]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.362103][  T987]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.362110][  T987]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.362113][  T987]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.362117][  T987]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.362121][  T987]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.362123][  T987]  ? 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))
[   58.362126][  T987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.362130][  T987]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.362134][  T987]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.362139][  T987]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.362141][  T987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.362147][  T987]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.362150][  T987]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.362151][  T987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.362154][  T987]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.362158][  T987]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.362160][  T987]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.362163][  T987]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.362167][  T987]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.362171][  T987]  ? __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)
[   58.362174][  T987]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.362175][  T987]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.362179][  T987]  _printk (kernel/printk/printk.c:2504)
[   58.362183][  T987]  ? snapshot_read.cold (user.c:?)
[   58.362187][  T987]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   58.362201][  T987]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   58.362207][  T987] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   58.362218][  T987] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   58.362228][  T987] new_nbp (net/bridge/br_if.c:449) bridge
[   58.362238][  T987] br_add_if (net/bridge/br_if.c:592) bridge
[   58.362245][  T987]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   58.362252][  T987]  do_set_master (net/core/rtnetlink.c:3071)
[   58.362257][  T987]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   58.362261][  T987]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   58.362263][  T987]  ? __dev_get_by_name (net/core/dev.c:905)
[   58.362265][  T987]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   58.362275][  T987]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   58.362283][  T987]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.362289][  T987]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.362291][  T987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.362298][  T987]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.362303][  T987]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.362305][  T987]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.362308][  T987]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.362310][  T987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.362315][  T987]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.362317][  T987]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.362321][  T987]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.362324][  T987]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.362327][  T987]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.362334][  T987]  ? 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))
[   58.362336][  T987]  ? 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))
[   58.362340][  T987]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.362344][  T987]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.362347][  T987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.362352][  T987]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.362356][  T987]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.362360][  T987]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.362366][  T987]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.362370][  T987]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.362372][  T987]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.362374][  T987]  ? move_addr_to_kernel (net/socket.c:258)
[   58.362378][  T987]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   58.362381][  T987]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   58.362386][  T987]  ___sys_sendmsg (net/socket.c:2767)
[   58.362389][  T987]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.362407][  T987]  __sys_sendmsg (net/socket.c:2799)
[   58.362410][  T987]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.362416][  T987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.362419][  T987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.362423][  T987]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.362425][  T987]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.362429][  T987]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.362431][  T987] RIP: 0033:0x7efce370954e
[   58.362434][  T987] 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
[   58.362436][  T987] RSP: 002b:00007fff5357bf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.362439][  T987] RAX: ffffffffffffffda RBX: 00007fff5357c748 RCX: 00007efce370954e
[   58.362441][  T987] RDX: 0000000000000000 RSI: 00007fff5357c040 RDI: 0000000000000005
[   58.362442][  T987] RBP: 00007fff5357bfa0 R08: 0000000000000000 R09: 0000000000000000
[   58.362442][  T987] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df22
[   58.362443][  T987] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5357c700
| [   65.716976][ T1163] softirqs last disabled at (14318): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   65.716979][ T1163] Preemption disabled at:
| [   65.716979][ T1163] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.716988][ T1163] Tainted: [W]=WARN
[   65.716989][ T1163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.716991][ T1163] Call Trace:
[   65.716992][ T1163]  <TASK>
[   65.716994][ T1163]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.717000][ T1163]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.717002][ T1163]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.717007][ T1163]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.717011][ T1163]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.717016][ T1163]  __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))
[   65.717018][ T1163]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.717023][ T1163]  ? 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)
[   65.717026][ T1163]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.717029][ T1163]  put_chars (drivers/char/virtio_console.c:1176)
[   65.717032][ T1163]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.717034][ T1163]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   65.717038][ T1163]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   65.717041][ T1163]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.717044][ T1163]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   65.717046][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.717047][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.717051][ T1163]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.717053][ T1163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.717057][ T1163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.717061][ T1163]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.717065][ T1163]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.717066][ T1163]  ? 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))
[   65.717070][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.717074][ T1163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.717078][ T1163]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.717082][ T1163]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.717084][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.717089][ T1163]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.717092][ T1163]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.717093][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.717096][ T1163]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.717099][ T1163]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.717101][ T1163]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.717104][ T1163]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.717108][ T1163]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.717114][ T1163]  _printk (kernel/printk/printk.c:2504)
[   65.717118][ T1163]  ? snapshot_read.cold (user.c:?)
[   65.717119][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.717122][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.717124][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.717126][ T1163]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.717129][ T1163]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.717132][ T1163]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.717136][ T1163]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.717139][ T1163]  ? netdev_notice (net/core/dev.c:13194)
[   65.717140][ T1163]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.717150][ T1163]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   65.717154][ T1163]  dev_set_allmulti (net/core/dev_api.c:315)
[   65.717157][ T1163] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   65.717170][ T1163]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   65.717175][ T1163] br_dev_delete (net/bridge/br_if.c:387) bridge
[   65.717184][ T1163]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   65.717186][ T1163]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   65.717188][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.717190][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.717192][ T1163]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   65.717215][ T1163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.717216][ T1163]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.717219][ T1163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.717221][ T1163]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   65.717223][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.717228][ T1163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.717230][ T1163]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.717231][ T1163]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   65.717234][ T1163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.717238][ T1163]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   65.717240][ T1163]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.717244][ T1163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.717245][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.717250][ T1163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.717252][ T1163]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.717255][ T1163]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.717258][ T1163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.717261][ T1163]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.717267][ T1163]  ? 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))
[   65.717269][ T1163]  ? 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))
[   65.717273][ T1163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.717277][ T1163]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.717280][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.717284][ T1163]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.717288][ T1163]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.717292][ T1163]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   65.717297][ T1163]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.717301][ T1163]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.717303][ T1163]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   65.717304][ T1163]  ? move_addr_to_kernel (net/socket.c:258)
[   65.717312][ T1163]  ___sys_sendmsg (net/socket.c:2767)
[   65.717315][ T1163]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.717331][ T1163]  __sys_sendmsg (net/socket.c:2799)
[   65.717334][ T1163]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.717340][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.717344][ T1163]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.717346][ T1163]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.717350][ T1163]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.717352][ T1163] RIP: 0033:0x7f3aa927a54e
[   65.717355][ T1163] 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
[   65.717357][ T1163] RSP: 002b:00007fff55852d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.717359][ T1163] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3aa927a54e
[   65.717361][ T1163] RDX: 0000000000000000 RSI: 00007fff55852db0 RDI: 0000000000000005
[   65.717361][ T1163] RBP: 00007fff55852d10 R08: 0000000000000000 R09: 0000000000000000
[   65.717362][ T1163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df2a
[   65.717363][ T1163] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff55853470
| [   68.157505][ T1200] softirqs last disabled at (14798): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   68.157508][ T1200] Preemption disabled at:
| [   68.157508][ T1200] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.157517][ T1200] Tainted: [W]=WARN
[   68.157518][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.157519][ T1200] Call Trace:
[   68.157521][ T1200]  <TASK>
[   68.157523][ T1200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.157529][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.157531][ T1200]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.157536][ T1200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.157540][ T1200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.157545][ T1200]  __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))
[   68.157547][ T1200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.157553][ T1200]  ? 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)
[   68.157555][ T1200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.157558][ T1200]  put_chars (drivers/char/virtio_console.c:1176)
[   68.157561][ T1200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.157564][ T1200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.157568][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.157571][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.157575][ T1200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.157577][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.157579][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.157581][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.157585][ T1200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.157586][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.157590][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.157594][ T1200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.157598][ T1200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.157600][ T1200]  ? 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))
[   68.157603][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.157606][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.157609][ T1200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.157614][ T1200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.157615][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.157621][ T1200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.157623][ T1200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.157625][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.157627][ T1200]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.157631][ T1200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.157633][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.157636][ T1200]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.157640][ T1200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.157646][ T1200]  _printk (kernel/printk/printk.c:2504)
[   68.157649][ T1200]  ? snapshot_read.cold (user.c:?)
[   68.157651][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.157654][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.157655][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.157658][ T1200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.157661][ T1200]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.157664][ T1200]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.157668][ T1200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.157670][ T1200]  ? netdev_notice (net/core/dev.c:13194)
[   68.157672][ T1200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.157681][ T1200]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   68.157686][ T1200]  dev_set_allmulti (net/core/dev_api.c:315)
[   68.157689][ T1200] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   68.157702][ T1200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.157707][ T1200] br_dev_delete (net/bridge/br_if.c:387) bridge
[   68.157716][ T1200]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   68.157718][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.157720][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.157721][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.157723][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.157746][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.157747][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.157757][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.157759][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.157761][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.157765][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.157767][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.157769][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.157771][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.157775][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.157778][ T1200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.157781][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.157782][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.157787][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.157788][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.157792][ T1200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.157795][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.157798][ T1200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.157804][ T1200]  ? 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))
[   68.157805][ T1200]  ? 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))
[   68.157810][ T1200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.157813][ T1200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.157816][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.157820][ T1200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.157824][ T1200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.157828][ T1200]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   68.157833][ T1200]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.157837][ T1200]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.157839][ T1200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.157840][ T1200]  ? move_addr_to_kernel (net/socket.c:258)
[   68.157848][ T1200]  ___sys_sendmsg (net/socket.c:2767)
[   68.157850][ T1200]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.157866][ T1200]  __sys_sendmsg (net/socket.c:2799)
[   68.157869][ T1200]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.157875][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.157878][ T1200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.157881][ T1200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.157884][ T1200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.157886][ T1200] RIP: 0033:0x7f8d65d8c54e
[   68.157889][ T1200] 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
[   68.157891][ T1200] RSP: 002b:00007ffdc6d6fec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.157893][ T1200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d65d8c54e
[   68.157895][ T1200] RDX: 0000000000000000 RSI: 00007ffdc6d6ff70 RDI: 0000000000000005
[   68.157895][ T1200] RBP: 00007ffdc6d6fed0 R08: 0000000000000000 R09: 0000000000000000
[   68.157896][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df2c
[   68.157897][ T1200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc6d70630
| [   68.508327][    C0]
| [   68.508327][    C0]
| [   68.508327][    C0] stack backtrace:
| [   68.508333][    C0] Tainted: [W]=WARN
[   68.508333][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.508335][    C0] Call Trace:
[   68.508336][    C0]  <IRQ>
[   68.508338][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.508342][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   68.508344][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   68.508346][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   68.508349][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   68.508351][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   68.508352][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   68.508354][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.508356][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   68.508358][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.508361][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.508363][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   68.508364][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   68.508366][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   68.508368][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.508371][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   68.508372][    C0]  _printk (kernel/printk/printk.c:2504)
[   68.508374][    C0]  ? snapshot_read.cold (user.c:?)
[   68.508376][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   68.508377][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.508380][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   68.508381][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   68.508383][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   68.508384][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   68.508386][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   68.508388][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   68.508391][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.508393][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.508395][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.508397][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   68.508398][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   68.508401][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   68.508402][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.508405][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.508407][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   68.508409][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   68.508411][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.508413][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.508415][    C0]  handle_softirqs (kernel/softirq.c:645)
[   68.508417][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.508418][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   68.508420][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   68.508421][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   68.508423][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   68.508424][    C0]  </IRQ>
[   68.508425][    C0]  <TASK>
[   68.508426][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   68.508427][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   68.508429][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   68.508432][    C0] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   68.508433][    C0] RSP: 0018:ffffffff98007cf8 EFLAGS: 00000296
[   68.508436][    C0] RAX: 00000000002611b5 RBX: ffffffff9801c600 RCX: ffffffff950f0307
[   68.508437][    C0] RDX: ffffffff9801c600 RSI: ffffffff97e38b1c RDI: ffffffff9788d8e0
[   68.508438][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   68.508439][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3000fa2
[   68.508440][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   68.508441][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   68.508443][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   68.508445][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   68.508447][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   68.508448][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   68.508450][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   68.508451][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   68.508454][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.508456][    C0]  do_idle (kernel/sched/idle.c:355)
[   68.508457][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   68.508458][    C0]  rest_init (init/main.c:727)
[   68.508460][    C0]  ? __cpuidle_text_end (??:?)
[   68.508463][    C0]  ? rest_init (init/main.c:727)
[   68.508465][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   68.508468][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   68.508471][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   68.508474][    C0]  start_kernel (init/main.c:1185)
[   68.508475][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   68.508477][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   68.508479][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   70.211049][ T1239] softirqs last disabled at (0): 0x0
| [   70.211050][ T1239] Preemption disabled at:
| [   70.211051][ T1239] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.211061][ T1239] Tainted: [W]=WARN
[   70.211062][ T1239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.211063][ T1239] Call Trace:
[   70.211065][ T1239]  <TASK>
[   70.211066][ T1239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.211071][ T1239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.211073][ T1239]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.211077][ T1239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.211081][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211084][ T1239]  __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))
[   70.211088][ T1239]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.211090][ T1239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.211094][ T1239]  ? 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)
[   70.211096][ T1239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.211098][ T1239]  put_chars (drivers/char/virtio_console.c:1176)
[   70.211100][ T1239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.211101][ T1239]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   70.211103][ T1239]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   70.211105][ T1239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.211109][ T1239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.211110][ T1239]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.211111][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.211113][ T1239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.211116][ T1239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.211118][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211119][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211121][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211123][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.211124][ T1239]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   70.211126][ T1239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.211128][ T1239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.211131][ T1239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.211132][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.211134][ T1239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.211135][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211137][ T1239]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.211138][ T1239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   70.211140][ T1239]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   70.211142][ T1239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.211144][ T1239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.211146][ T1239]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.211148][ T1239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.211150][ T1239]  ? __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)
[   70.211153][ T1239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.211154][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211156][ T1239]  _printk (kernel/printk/printk.c:2504)
[   70.211159][ T1239]  ? snapshot_read.cold (user.c:?)
[   70.211161][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211163][ T1239]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.211164][ T1239]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   70.211167][ T1239] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   70.211179][ T1239] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   70.211186][ T1239] new_nbp (net/bridge/br_if.c:449) bridge
[   70.211195][ T1239] br_add_if (net/bridge/br_if.c:592) bridge
[   70.211202][ T1239]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   70.211204][ T1239]  do_set_master (net/core/rtnetlink.c:3071)
[   70.211208][ T1239]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   70.211210][ T1239]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   70.211212][ T1239]  ? __dev_get_by_name (net/core/dev.c:905)
[   70.211214][ T1239]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   70.211217][ T1239]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   70.211220][ T1239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.211222][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211224][ T1239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.211225][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.211226][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211228][ T1239]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   70.211231][ T1239]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   70.211234][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211235][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211237][ T1239]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   70.211240][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.211242][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211243][ T1239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.211245][ T1239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.211246][ T1239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.211248][ T1239]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   70.211250][ T1239]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   70.211254][ T1239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.211257][ T1239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.211258][ T1239]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.211259][ T1239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.211261][ T1239]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   70.211263][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211265][ T1239]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.211267][ T1239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.211268][ T1239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.211270][ T1239]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   70.211273][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211274][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211276][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211277][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211280][ T1239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.211281][ T1239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.211283][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211285][ T1239]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.211287][ T1239]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.211290][ T1239]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.211291][ T1239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   70.211293][ T1239]  ? move_addr_to_kernel (net/socket.c:258)
[   70.211295][ T1239]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   70.211298][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.211299][ T1239]  ___sys_sendmsg (net/socket.c:2767)
[   70.211301][ T1239]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   70.211303][ T1239]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.211305][ T1239]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   70.211310][ T1239]  __sys_sendmsg (net/socket.c:2799)
[   70.211312][ T1239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.211314][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211316][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.211318][ T1239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.211320][ T1239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.211322][ T1239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.211324][ T1239] RIP: 0033:0x7f26d7df854e
[   70.211326][ T1239] 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
[   70.211328][ T1239] RSP: 002b:00007ffe833d5c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.211331][ T1239] RAX: ffffffffffffffda RBX: 00007ffe833d6418 RCX: 00007f26d7df854e
[   70.211333][ T1239] RDX: 0000000000000000 RSI: 00007ffe833d5d10 RDI: 0000000000000005
[   70.211334][ T1239] RBP: 00007ffe833d5c70 R08: 0000000000000000 R09: 0000000000000000
[   70.211334][ T1239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df2e
[   70.211335][ T1239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe833d63d0
| [   71.214882][ T1306] softirqs last disabled at (0): 0x0
| [   71.214884][ T1306] Preemption disabled at:
| [   71.214884][ T1306] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.214895][ T1306] Tainted: [W]=WARN
[   71.214895][ T1306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.214897][ T1306] Call Trace:
[   71.214898][ T1306]  <TASK>
[   71.214900][ T1306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.214905][ T1306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.214907][ T1306]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.214911][ T1306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.214914][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.214918][ T1306]  __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))
[   71.214924][ T1306]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.214927][ T1306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.214931][ T1306]  ? 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)
[   71.214932][ T1306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.214934][ T1306]  put_chars (drivers/char/virtio_console.c:1176)
[   71.214936][ T1306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.214938][ T1306]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   71.214940][ T1306]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   71.214943][ T1306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.214946][ T1306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.214947][ T1306]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.214949][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.214951][ T1306]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.214954][ T1306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.214956][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.214958][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.214959][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.214961][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.214963][ T1306]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   71.214965][ T1306]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.214967][ T1306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.214970][ T1306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.214972][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.214973][ T1306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.214975][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.214977][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.214979][ T1306]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   71.214980][ T1306]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   71.214982][ T1306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.214984][ T1306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.214986][ T1306]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.214989][ T1306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.214991][ T1306]  ? __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)
[   71.214994][ T1306]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   71.214995][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.214997][ T1306]  _printk (kernel/printk/printk.c:2504)
[   71.215000][ T1306]  ? snapshot_read.cold (user.c:?)
[   71.215002][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215004][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.215006][ T1306]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   71.215009][ T1306] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   71.215023][ T1306] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   71.215031][ T1306] new_nbp (net/bridge/br_if.c:449) bridge
[   71.215040][ T1306] br_add_if (net/bridge/br_if.c:592) bridge
[   71.215048][ T1306]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   71.215050][ T1306]  do_set_master (net/core/rtnetlink.c:3071)
[   71.215054][ T1306]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   71.215056][ T1306]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   71.215058][ T1306]  ? __dev_get_by_name (net/core/dev.c:905)
[   71.215060][ T1306]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   71.215064][ T1306]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   71.215066][ T1306]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.215068][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215070][ T1306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.215071][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.215073][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215075][ T1306]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   71.215078][ T1306]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   71.215080][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215082][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215084][ T1306]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   71.215087][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.215088][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215090][ T1306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.215091][ T1306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.215093][ T1306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.215095][ T1306]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   71.215097][ T1306]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   71.215101][ T1306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   71.215104][ T1306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.215105][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.215106][ T1306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.215108][ T1306]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   71.215110][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215112][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.215114][ T1306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.215116][ T1306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.215117][ T1306]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   71.215121][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215122][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215124][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215125][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215127][ T1306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   71.215129][ T1306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   71.215131][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215133][ T1306]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.215135][ T1306]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   71.215138][ T1306]  ? copy_msghdr_from_user (net/socket.c:2650)
[   71.215139][ T1306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   71.215141][ T1306]  ? move_addr_to_kernel (net/socket.c:258)
[   71.215143][ T1306]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   71.215146][ T1306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.215148][ T1306]  ___sys_sendmsg (net/socket.c:2767)
[   71.215149][ T1306]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   71.215152][ T1306]  ? copy_msghdr_from_user (net/socket.c:2619)
[   71.215153][ T1306]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   71.215158][ T1306]  __sys_sendmsg (net/socket.c:2799)
[   71.215161][ T1306]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   71.215163][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215165][ T1306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.215167][ T1306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   71.215169][ T1306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   71.215171][ T1306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.215173][ T1306] RIP: 0033:0x7f5bea10854e
[   71.215175][ T1306] 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
[   71.215177][ T1306] RSP: 002b:00007ffc3115bfa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.215181][ T1306] RAX: ffffffffffffffda RBX: 00007ffc3115c758 RCX: 00007f5bea10854e
[   71.215182][ T1306] RDX: 0000000000000000 RSI: 00007ffc3115c050 RDI: 0000000000000005
[   71.215183][ T1306] RBP: 00007ffc3115bfb0 R08: 0000000000000000 R09: 0000000000000000
[   71.215184][ T1306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df2f
[   71.215185][ T1306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3115c710
| [  118.393596][T17899] softirqs last disabled at (0): 0x0
| [  118.393597][T17899] Preemption disabled at:
| [  118.393598][T17899] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.393609][T17899] Tainted: [W]=WARN
[  118.393610][T17899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.393611][T17899] Call Trace:
[  118.393613][T17899]  <TASK>
[  118.393614][T17899]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.393619][T17899]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.393621][T17899]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.393625][T17899]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.393628][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393632][T17899]  __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))
[  118.393635][T17899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.393638][T17899]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.393642][T17899]  ? 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)
[  118.393644][T17899]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.393645][T17899]  put_chars (drivers/char/virtio_console.c:1176)
[  118.393647][T17899]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.393649][T17899]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  118.393651][T17899]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.393655][T17899]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.393656][T17899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.393658][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393659][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.393662][T17899]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.393664][T17899]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.393666][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393667][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393669][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393671][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.393673][T17899]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  118.393674][T17899]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.393677][T17899]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.393679][T17899]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.393681][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.393682][T17899]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.393684][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393685][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.393687][T17899]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  118.393688][T17899]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  118.393690][T17899]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.393692][T17899]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.393694][T17899]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.393696][T17899]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.393698][T17899]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.393701][T17899]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.393705][T17899]  ? ___sys_sendmsg (net/socket.c:2767)
[  118.393706][T17899]  ? __sys_sendmsg (net/socket.c:2799)
[  118.393708][T17899]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.393710][T17899]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.393712][T17899]  _printk (kernel/printk/printk.c:2504)
[  118.393715][T17899]  ? snapshot_read.cold (user.c:?)
[  118.393717][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393719][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393720][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393722][T17899]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  118.393725][T17899]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  118.393727][T17899]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  118.393729][T17899]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  118.393731][T17899]  ? netdev_notice (net/core/dev.c:13194)
[  118.393732][T17899]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  118.393735][T17899]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  118.393737][T17899]  ? 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)
[  118.393739][T17899]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  118.393742][T17899]  dev_set_allmulti (net/core/dev_api.c:315)
[  118.393744][T17899] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  118.393756][T17899]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  118.393759][T17899] br_dev_delete (net/bridge/br_if.c:387) bridge
[  118.393766][T17899]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  118.393769][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.393771][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393773][T17899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  118.393775][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393781][T17899]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  118.393783][T17899]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.393785][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393786][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393788][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.393789][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393791][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.393792][T17899]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  118.393796][T17899]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  118.393798][T17899]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  118.393800][T17899]  ? __kernel_text_address (kernel/extable.c:79)
[  118.393801][T17899]  ? write_profile (profile.c:?)
[  118.393803][T17899]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  118.393805][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393806][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393808][T17899]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  118.393812][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.393813][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393815][T17899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  118.393817][T17899]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.393819][T17899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.393820][T17899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.393821][T17899]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.393825][T17899]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.393827][T17899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.393828][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.393829][T17899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.393831][T17899]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  118.393833][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393835][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.393837][T17899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.393838][T17899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.393840][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393842][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393843][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.393850][T17899]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.393852][T17899]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.393854][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393856][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.393858][T17899]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.393859][T17899]  ? copy_msghdr_from_user (net/socket.c:2650)
[  118.393861][T17899]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  118.393862][T17899]  ? move_addr_to_kernel (net/socket.c:258)
[  118.393864][T17899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.393866][T17899]  ___sys_sendmsg (net/socket.c:2767)
[  118.393868][T17899]  ? copy_msghdr_from_user (net/socket.c:2619)
[  118.393873][T17899]  __sys_sendmsg (net/socket.c:2799)
[  118.393874][T17899]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  118.393877][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.393879][T17899]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.393880][T17899]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.393883][T17899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.393884][T17899] RIP: 0033:0x7ff27460d54e
[  118.393886][T17899] 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
[  118.393887][T17899] RSP: 002b:00007ffdd3a248b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  118.393891][T17899] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff27460d54e
[  118.393892][T17899] RDX: 0000000000000000 RSI: 00007ffdd3a24960 RDI: 0000000000000005
[  118.393893][T17899] RBP: 00007ffdd3a248c0 R08: 0000000000000000 R09: 0000000000000000
[  118.393894][T17899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df5e
[  118.393895][T17899] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd3a25020
| [  120.097089][T17936] softirqs last disabled at (0): 0x0
| [  120.097091][T17936] Preemption disabled at:
| [  120.097092][T17936] vprintk_emit (kernel/printk/printk.c:2471)
| [  120.097102][T17936] Tainted: [W]=WARN
[  120.097103][T17936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  120.097105][T17936] Call Trace:
[  120.097106][T17936]  <TASK>
[  120.097107][T17936]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  120.097113][T17936]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  120.097115][T17936]  __might_resched.cold (kernel/sched/core.c:9234)
[  120.097118][T17936]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  120.097122][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097125][T17936]  __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))
[  120.097129][T17936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.097131][T17936]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.097135][T17936]  ? 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)
[  120.097137][T17936]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.097139][T17936]  put_chars (drivers/char/virtio_console.c:1176)
[  120.097141][T17936]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  120.097142][T17936]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  120.097145][T17936]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  120.097148][T17936]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  120.097149][T17936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.097151][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097152][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.097154][T17936]  console_emit_next_record (kernel/printk/printk.c:3183)
[  120.097157][T17936]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  120.097159][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097160][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097162][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097164][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.097165][T17936]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  120.097167][T17936]  console_flush_one_record (kernel/printk/printk.c:3268)
[  120.097169][T17936]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  120.097172][T17936]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  120.097174][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.097175][T17936]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  120.097177][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097178][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.097179][T17936]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  120.097181][T17936]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  120.097183][T17936]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  120.097185][T17936]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  120.097187][T17936]  vprintk_emit (kernel/printk/printk.c:2479)
[  120.097189][T17936]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  120.097191][T17936]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.097194][T17936]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  120.097197][T17936]  ? ___sys_sendmsg (net/socket.c:2767)
[  120.097199][T17936]  ? __sys_sendmsg (net/socket.c:2799)
[  120.097200][T17936]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.097203][T17936]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.097205][T17936]  _printk (kernel/printk/printk.c:2504)
[  120.097209][T17936]  ? snapshot_read.cold (user.c:?)
[  120.097210][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097212][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097214][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097215][T17936]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  120.097218][T17936]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  120.097221][T17936]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  120.097223][T17936]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  120.097225][T17936]  ? netdev_notice (net/core/dev.c:13194)
[  120.097226][T17936]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  120.097229][T17936]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  120.097230][T17936]  ? 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)
[  120.097232][T17936]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  120.097235][T17936]  dev_set_allmulti (net/core/dev_api.c:315)
[  120.097238][T17936] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  120.097250][T17936]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  120.097252][T17936] br_dev_delete (net/bridge/br_if.c:387) bridge
[  120.097260][T17936]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  120.097262][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.097264][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097266][T17936]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  120.097268][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097274][T17936]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  120.097277][T17936]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.097278][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097280][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097281][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.097283][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097285][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.097286][T17936]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  120.097290][T17936]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  120.097291][T17936]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  120.097294][T17936]  ? __kernel_text_address (kernel/extable.c:79)
[  120.097295][T17936]  ? write_profile (profile.c:?)
[  120.097297][T17936]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  120.097299][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097300][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097302][T17936]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  120.097305][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.097307][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097308][T17936]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  120.097311][T17936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  120.097313][T17936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  120.097314][T17936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  120.097315][T17936]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  120.097319][T17936]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  120.097321][T17936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  120.097322][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.097324][T17936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  120.097325][T17936]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  120.097327][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097329][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.097331][T17936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.097333][T17936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  120.097334][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097336][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097338][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.097339][T17936]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  120.097341][T17936]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  120.097343][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097345][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.097347][T17936]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  120.097348][T17936]  ? copy_msghdr_from_user (net/socket.c:2650)
[  120.097350][T17936]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  120.097351][T17936]  ? move_addr_to_kernel (net/socket.c:258)
[  120.097353][T17936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  120.097355][T17936]  ___sys_sendmsg (net/socket.c:2767)
[  120.097357][T17936]  ? copy_msghdr_from_user (net/socket.c:2619)
[  120.097361][T17936]  __sys_sendmsg (net/socket.c:2799)
[  120.097363][T17936]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  120.097366][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.097368][T17936]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.097369][T17936]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  120.097371][T17936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.097373][T17936] RIP: 0033:0x7fd1879ce54e
[  120.097375][T17936] 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
[  120.097376][T17936] RSP: 002b:00007ffcb7dc83e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  120.097380][T17936] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd1879ce54e
[  120.097381][T17936] RDX: 0000000000000000 RSI: 00007ffcb7dc8490 RDI: 0000000000000005
[  120.097382][T17936] RBP: 00007ffcb7dc83f0 R08: 0000000000000000 R09: 0000000000000000
[  120.097383][T17936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df60
[  120.097384][T17936] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb7dc8b50
| [  122.126378][T17975] softirqs last disabled at (0): 0x0
| [  122.126379][T17975] Preemption disabled at:
| [  122.126380][T17975] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.126391][T17975] Tainted: [W]=WARN
[  122.126392][T17975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.126393][T17975] Call Trace:
[  122.126395][T17975]  <TASK>
[  122.126396][T17975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.126402][T17975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.126404][T17975]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.126407][T17975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.126411][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126414][T17975]  __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))
[  122.126418][T17975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.126420][T17975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.126424][T17975]  ? 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)
[  122.126426][T17975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.126428][T17975]  put_chars (drivers/char/virtio_console.c:1176)
[  122.126429][T17975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.126431][T17975]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  122.126432][T17975]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  122.126435][T17975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.126438][T17975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.126439][T17975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.126441][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.126443][T17975]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.126446][T17975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.126448][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126449][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126451][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126452][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.126454][T17975]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.126456][T17975]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.126458][T17975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.126461][T17975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.126463][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.126464][T17975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.126466][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126467][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.126469][T17975]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  122.126470][T17975]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  122.126472][T17975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.126474][T17975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.126476][T17975]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.126479][T17975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.126481][T17975]  ? __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)
[  122.126484][T17975]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  122.126485][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126487][T17975]  _printk (kernel/printk/printk.c:2504)
[  122.126490][T17975]  ? snapshot_read.cold (user.c:?)
[  122.126492][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126493][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.126495][T17975]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  122.126497][T17975] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  122.126510][T17975] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  122.126517][T17975] new_nbp (net/bridge/br_if.c:449) bridge
[  122.126526][T17975] br_add_if (net/bridge/br_if.c:592) bridge
[  122.126534][T17975]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  122.126536][T17975]  do_set_master (net/core/rtnetlink.c:3071)
[  122.126540][T17975]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  122.126542][T17975]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  122.126544][T17975]  ? __dev_get_by_name (net/core/dev.c:905)
[  122.126546][T17975]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  122.126549][T17975]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  122.126552][T17975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  122.126554][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126555][T17975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.126557][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.126558][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126560][T17975]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  122.126563][T17975]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  122.126565][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126567][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126569][T17975]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.126573][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.126574][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126576][T17975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.126577][T17975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.126579][T17975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.126580][T17975]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.126583][T17975]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.126587][T17975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.126589][T17975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.126591][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.126592][T17975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.126593][T17975]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.126596][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126598][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.126599][T17975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.126601][T17975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.126603][T17975]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  122.126606][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.126607][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126609][T17975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.126612][T17975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.126613][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126615][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.126617][T17975]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.126619][T17975]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.126621][T17975]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  122.126623][T17975]  ? move_addr_to_kernel (net/socket.c:258)
[  122.126625][T17975]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  122.126627][T17975]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  122.126630][T17975]  ___sys_sendmsg (net/socket.c:2767)
[  122.126632][T17975]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.126637][T17975]  __sys_sendmsg (net/socket.c:2799)
[  122.126639][T17975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.126641][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126643][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.126645][T17975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.126647][T17975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.126649][T17975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.126651][T17975] RIP: 0033:0x7ff3c2d8b54e
[  122.126653][T17975] 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
[  122.126655][T17975] RSP: 002b:00007fffe1bc4180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.126659][T17975] RAX: ffffffffffffffda RBX: 00007fffe1bc4938 RCX: 00007ff3c2d8b54e
[  122.126660][T17975] RDX: 0000000000000000 RSI: 00007fffe1bc4230 RDI: 0000000000000005
[  122.126661][T17975] RBP: 00007fffe1bc4190 R08: 0000000000000000 R09: 0000000000000000
[  122.126662][T17975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df62
[  122.126663][T17975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe1bc48f0
| [  123.145081][T18044] softirqs last disabled at (0): 0x0
| [  123.145083][T18044] Preemption disabled at:
| [  123.145084][T18044] vprintk_emit (kernel/printk/printk.c:2471)
| [  123.145094][T18044] Tainted: [W]=WARN
[  123.145095][T18044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  123.145096][T18044] Call Trace:
[  123.145098][T18044]  <TASK>
[  123.145099][T18044]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  123.145104][T18044]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  123.145106][T18044]  __might_resched.cold (kernel/sched/core.c:9234)
[  123.145110][T18044]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  123.145113][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145117][T18044]  __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))
[  123.145120][T18044]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  123.145123][T18044]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.145126][T18044]  ? 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)
[  123.145128][T18044]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.145130][T18044]  put_chars (drivers/char/virtio_console.c:1176)
[  123.145132][T18044]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  123.145133][T18044]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  123.145135][T18044]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  123.145137][T18044]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  123.145140][T18044]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  123.145142][T18044]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  123.145143][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.145145][T18044]  console_emit_next_record (kernel/printk/printk.c:3183)
[  123.145148][T18044]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  123.145150][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145151][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145153][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145155][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.145157][T18044]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  123.145158][T18044]  console_flush_one_record (kernel/printk/printk.c:3268)
[  123.145161][T18044]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  123.145163][T18044]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  123.145165][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.145166][T18044]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  123.145168][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145170][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.145171][T18044]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  123.145172][T18044]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  123.145174][T18044]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  123.145176][T18044]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  123.145179][T18044]  vprintk_emit (kernel/printk/printk.c:2479)
[  123.145181][T18044]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  123.145183][T18044]  ? __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)
[  123.145186][T18044]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  123.145187][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145189][T18044]  _printk (kernel/printk/printk.c:2504)
[  123.145192][T18044]  ? snapshot_read.cold (user.c:?)
[  123.145194][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145196][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.145197][T18044]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  123.145200][T18044] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  123.145212][T18044] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  123.145219][T18044] new_nbp (net/bridge/br_if.c:449) bridge
[  123.145228][T18044] br_add_if (net/bridge/br_if.c:592) bridge
[  123.145235][T18044]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  123.145238][T18044]  do_set_master (net/core/rtnetlink.c:3071)
[  123.145242][T18044]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  123.145244][T18044]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  123.145245][T18044]  ? __dev_get_by_name (net/core/dev.c:905)
[  123.145247][T18044]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  123.145251][T18044]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  123.145253][T18044]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  123.145255][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145257][T18044]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.145258][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.145260][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145262][T18044]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  123.145265][T18044]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  123.145268][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145269][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145271][T18044]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  123.145274][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.145276][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145278][T18044]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.145279][T18044]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  123.145281][T18044]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.145282][T18044]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  123.145284][T18044]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  123.145288][T18044]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  123.145291][T18044]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.145292][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.145294][T18044]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  123.145295][T18044]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  123.145298][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145299][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.145301][T18044]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  123.145303][T18044]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  123.145305][T18044]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[  123.145308][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.145310][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145312][T18044]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  123.145314][T18044]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  123.145316][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145317][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.145319][T18044]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  123.145322][T18044]  ? copy_msghdr_from_user (net/socket.c:2650)
[  123.145324][T18044]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  123.145325][T18044]  ? move_addr_to_kernel (net/socket.c:258)
[  123.145327][T18044]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  123.145330][T18044]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  123.145333][T18044]  ___sys_sendmsg (net/socket.c:2767)
[  123.145335][T18044]  ? copy_msghdr_from_user (net/socket.c:2619)
[  123.145340][T18044]  __sys_sendmsg (net/socket.c:2799)
[  123.145342][T18044]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  123.145345][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145346][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.145348][T18044]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  123.145350][T18044]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  123.145353][T18044]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  123.145355][T18044] RIP: 0033:0x7f532571254e
[  123.145356][T18044] 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
[  123.145358][T18044] RSP: 002b:00007ffdba474ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  123.145362][T18044] RAX: ffffffffffffffda RBX: 00007ffdba475678 RCX: 00007f532571254e
[  123.145363][T18044] RDX: 0000000000000000 RSI: 00007ffdba474f70 RDI: 0000000000000005
[  123.145364][T18044] RBP: 00007ffdba474ed0 R08: 0000000000000000 R09: 0000000000000000
[  123.145365][T18044] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df63
[  123.145366][T18044] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdba475630
| [  171.955587][ T2170] softirqs last disabled at (0): 0x0
| [  171.955589][ T2170] Preemption disabled at:
| [  171.955590][ T2170] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.955600][ T2170] Tainted: [W]=WARN
[  171.955601][ T2170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.955603][ T2170] Call Trace:
[  171.955605][ T2170]  <TASK>
[  171.955606][ T2170]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.955612][ T2170]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.955614][ T2170]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.955618][ T2170]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.955621][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955625][ T2170]  __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))
[  171.955629][ T2170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.955632][ T2170]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.955635][ T2170]  ? 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)
[  171.955637][ T2170]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.955639][ T2170]  put_chars (drivers/char/virtio_console.c:1176)
[  171.955641][ T2170]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.955643][ T2170]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  171.955646][ T2170]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.955649][ T2170]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.955651][ T2170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.955652][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955654][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.955657][ T2170]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.955659][ T2170]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.955661][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955663][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955665][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955666][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.955668][ T2170]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  171.955670][ T2170]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.955673][ T2170]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.955676][ T2170]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.955677][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.955679][ T2170]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.955681][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955682][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.955684][ T2170]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  171.955686][ T2170]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  171.955688][ T2170]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.955690][ T2170]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.955692][ T2170]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.955694][ T2170]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.955696][ T2170]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.955699][ T2170]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  171.955702][ T2170]  ? ___sys_sendmsg (net/socket.c:2767)
[  171.955704][ T2170]  ? __sys_sendmsg (net/socket.c:2799)
[  171.955705][ T2170]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.955708][ T2170]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.955711][ T2170]  _printk (kernel/printk/printk.c:2504)
[  171.955714][ T2170]  ? snapshot_read.cold (user.c:?)
[  171.955716][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955717][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955719][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955721][ T2170]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  171.955724][ T2170]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  171.955727][ T2170]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  171.955729][ T2170]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  171.955730][ T2170]  ? netdev_notice (net/core/dev.c:13194)
[  171.955732][ T2170]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  171.955735][ T2170]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  171.955737][ T2170]  ? 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)
[  171.955739][ T2170]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  171.955742][ T2170]  dev_set_allmulti (net/core/dev_api.c:315)
[  171.955744][ T2170] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  171.955757][ T2170]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  171.955760][ T2170] br_dev_delete (net/bridge/br_if.c:387) bridge
[  171.955767][ T2170]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  171.955770][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.955772][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955774][ T2170]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  171.955776][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955783][ T2170]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  171.955785][ T2170]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.955787][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955789][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955791][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.955792][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955794][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.955796][ T2170]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  171.955799][ T2170]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  171.955801][ T2170]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  171.955804][ T2170]  ? __kernel_text_address (kernel/extable.c:79)
[  171.955805][ T2170]  ? write_profile (profile.c:?)
[  171.955807][ T2170]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  171.955809][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955810][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955812][ T2170]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  171.955816][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.955817][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955819][ T2170]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  171.955821][ T2170]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.955823][ T2170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.955825][ T2170]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.955826][ T2170]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.955830][ T2170]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.955832][ T2170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.955833][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.955835][ T2170]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  171.955836][ T2170]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  171.955839][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955841][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.955843][ T2170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.955845][ T2170]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  171.955846][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955848][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955850][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.955852][ T2170]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.955854][ T2170]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  171.955856][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955858][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.955860][ T2170]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  171.955861][ T2170]  ? copy_msghdr_from_user (net/socket.c:2650)
[  171.955863][ T2170]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  171.955865][ T2170]  ? move_addr_to_kernel (net/socket.c:258)
[  171.955866][ T2170]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.955869][ T2170]  ___sys_sendmsg (net/socket.c:2767)
[  171.955871][ T2170]  ? copy_msghdr_from_user (net/socket.c:2619)
[  171.955876][ T2170]  __sys_sendmsg (net/socket.c:2799)
[  171.955878][ T2170]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  171.955880][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.955883][ T2170]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.955884][ T2170]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  171.955886][ T2170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.955888][ T2170] RIP: 0033:0x7f39ac49c54e
[  171.955890][ T2170] 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
[  171.955892][ T2170] RSP: 002b:00007ffc0b827de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  171.955896][ T2170] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f39ac49c54e
[  171.955897][ T2170] RDX: 0000000000000000 RSI: 00007ffc0b827e90 RDI: 0000000000000005
[  171.955898][ T2170] RBP: 00007ffc0b827df0 R08: 0000000000000000 R09: 0000000000000000
[  171.955899][ T2170] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df94
[  171.955900][ T2170] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0b828550
| [  173.742580][ T2207] softirqs last disabled at (0): 0x0
| [  173.742582][ T2207] Preemption disabled at:
| [  173.742583][ T2207] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.742594][ T2207] Tainted: [W]=WARN
[  173.742594][ T2207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.742596][ T2207] Call Trace:
[  173.742598][ T2207]  <TASK>
[  173.742599][ T2207]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.742604][ T2207]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.742606][ T2207]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.742610][ T2207]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.742613][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742617][ T2207]  __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))
[  173.742621][ T2207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.742623][ T2207]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.742627][ T2207]  ? 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)
[  173.742629][ T2207]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.742631][ T2207]  put_chars (drivers/char/virtio_console.c:1176)
[  173.742633][ T2207]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.742635][ T2207]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  173.742637][ T2207]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.742641][ T2207]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.742642][ T2207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.742644][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742646][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.742648][ T2207]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.742650][ T2207]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.742652][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742654][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742656][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742657][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.742659][ T2207]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  173.742661][ T2207]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.742663][ T2207]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.742666][ T2207]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.742668][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.742669][ T2207]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.742671][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742673][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.742674][ T2207]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  173.742676][ T2207]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  173.742678][ T2207]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.742680][ T2207]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.742682][ T2207]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.742684][ T2207]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.742686][ T2207]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.742689][ T2207]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  173.742692][ T2207]  ? ___sys_sendmsg (net/socket.c:2767)
[  173.742694][ T2207]  ? __sys_sendmsg (net/socket.c:2799)
[  173.742695][ T2207]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.742698][ T2207]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.742700][ T2207]  _printk (kernel/printk/printk.c:2504)
[  173.742703][ T2207]  ? snapshot_read.cold (user.c:?)
[  173.742705][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742707][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742708][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742710][ T2207]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  173.742713][ T2207]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  173.742716][ T2207]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  173.742717][ T2207]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  173.742719][ T2207]  ? netdev_notice (net/core/dev.c:13194)
[  173.742721][ T2207]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  173.742724][ T2207]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  173.742725][ T2207]  ? 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)
[  173.742727][ T2207]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  173.742730][ T2207]  dev_set_allmulti (net/core/dev_api.c:315)
[  173.742733][ T2207] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  173.742745][ T2207]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  173.742748][ T2207] br_dev_delete (net/bridge/br_if.c:387) bridge
[  173.742756][ T2207]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  173.742759][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.742760][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742762][ T2207]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  173.742764][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742771][ T2207]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  173.742773][ T2207]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.742775][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742777][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742778][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.742780][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742782][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.742783][ T2207]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  173.742787][ T2207]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  173.742788][ T2207]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  173.742791][ T2207]  ? __kernel_text_address (kernel/extable.c:79)
[  173.742792][ T2207]  ? write_profile (profile.c:?)
[  173.742794][ T2207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  173.742795][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742797][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742799][ T2207]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  173.742802][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.742804][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742806][ T2207]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  173.742808][ T2207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  173.742810][ T2207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.742811][ T2207]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.742812][ T2207]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  173.742816][ T2207]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.742818][ T2207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.742819][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.742821][ T2207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.742822][ T2207]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  173.742824][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742826][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.742828][ T2207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.742830][ T2207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.742832][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742834][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742835][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.742837][ T2207]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.742839][ T2207]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.742841][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742843][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.742845][ T2207]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  173.742847][ T2207]  ? copy_msghdr_from_user (net/socket.c:2650)
[  173.742848][ T2207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  173.742850][ T2207]  ? move_addr_to_kernel (net/socket.c:258)
[  173.742852][ T2207]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.742854][ T2207]  ___sys_sendmsg (net/socket.c:2767)
[  173.742856][ T2207]  ? copy_msghdr_from_user (net/socket.c:2619)
[  173.742861][ T2207]  __sys_sendmsg (net/socket.c:2799)
[  173.742863][ T2207]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  173.742866][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.742868][ T2207]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.742869][ T2207]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  173.742871][ T2207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.742873][ T2207] RIP: 0033:0x7fd8f0da354e
[  173.742875][ T2207] 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
[  173.742876][ T2207] RSP: 002b:00007ffc1467f3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  173.742880][ T2207] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd8f0da354e
[  173.742882][ T2207] RDX: 0000000000000000 RSI: 00007ffc1467f460 RDI: 0000000000000005
[  173.742883][ T2207] RBP: 00007ffc1467f3c0 R08: 0000000000000000 R09: 0000000000000000
[  173.742883][ T2207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df96
[  173.742884][ T2207] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1467fb20
| [  186.900248][ T2341] softirqs last disabled at (0): 0x0
| [  186.900250][ T2341] Preemption disabled at:
| [  186.900251][ T2341] vprintk_emit (kernel/printk/printk.c:2471)
| [  186.900263][ T2341] Tainted: [W]=WARN
[  186.900264][ T2341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.900265][ T2341] Call Trace:
[  186.900267][ T2341]  <TASK>
[  186.900268][ T2341]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  186.900273][ T2341]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  186.900275][ T2341]  __might_resched.cold (kernel/sched/core.c:9234)
[  186.900278][ T2341]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  186.900282][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900286][ T2341]  __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))
[  186.900289][ T2341]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.900292][ T2341]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.900296][ T2341]  ? 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)
[  186.900298][ T2341]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.900300][ T2341]  put_chars (drivers/char/virtio_console.c:1176)
[  186.900302][ T2341]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  186.900304][ T2341]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  186.900306][ T2341]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  186.900308][ T2341]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  186.900311][ T2341]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  186.900312][ T2341]  ? 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)
[  186.900314][ T2341]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.900315][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900317][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900319][ T2341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.900321][ T2341]  console_emit_next_record (kernel/printk/printk.c:3183)
[  186.900324][ T2341]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  186.900326][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900328][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900329][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900331][ T2341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.900333][ T2341]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  186.900335][ T2341]  console_flush_one_record (kernel/printk/printk.c:3268)
[  186.900337][ T2341]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  186.900340][ T2341]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  186.900341][ T2341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.900343][ T2341]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  186.900345][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900346][ T2341]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  186.900348][ T2341]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  186.900349][ T2341]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  186.900351][ T2341]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  186.900353][ T2341]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  186.900355][ T2341]  vprintk_emit (kernel/printk/printk.c:2479)
[  186.900358][ T2341]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  186.900361][ T2341]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  186.900364][ T2341]  _printk (kernel/printk/printk.c:2504)
[  186.900367][ T2341]  ? snapshot_read.cold (user.c:?)
[  186.900369][ T2341]  ? 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)
[  186.900372][ T2341] gact_init_module (net/sched/act_gact.c:180) act_gact
[  186.900374][ T2341]  do_one_initcall (init/main.c:1357)
[  186.900375][ T2341]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  186.900378][ T2341]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  186.900381][ T2341]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  186.900384][ T2341]  do_init_module (kernel/module/main.c:3117)
[  186.900386][ T2341]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  186.900388][ T2341]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  186.900390][ T2341]  load_module (kernel/module/main.c:3593)
[  186.900394][ T2341]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  186.900396][ T2341]  ? __ia32_sys_fsconfig (??:?)
[  186.900399][ T2341]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  186.900402][ T2341]  ? backing_file_read_iter (fs/backing-file.c:211)
[  186.900405][ T2341]  init_module_from_file (kernel/module/main.c:3790)
[  186.900407][ T2341]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  186.900409][ T2341]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  186.900413][ T2341]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  186.900415][ T2341]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.900417][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900419][ T2341]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  186.900420][ T2341]  ? 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)
[  186.900422][ T2341]  idempotent_init_module (kernel/module/main.c:3802)
[  186.900425][ T2341]  ? init_module_from_file (kernel/module/main.c:3791)
[  186.900428][ T2341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.900429][ T2341]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  186.900433][ T2341]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  186.900435][ T2341]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  186.900438][ T2341]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  186.900441][ T2341]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  186.900443][ T2341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  186.900445][ T2341] RIP: 0033:0x7fded4dcb37d
[  186.900447][ T2341] 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
[  186.900449][ T2341] RSP: 002b:00007ffdcb058b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  186.900453][ T2341] RAX: ffffffffffffffda RBX: 00005611044b3810 RCX: 00007fded4dcb37d
[  186.900454][ T2341] RDX: 0000000000000000 RSI: 00005610e28e0ffd RDI: 0000000000000000
[  186.900455][ T2341] RBP: 00007ffdcb058bc0 R08: 0000000000000000 R09: 0000000000000000
[  186.900456][ T2341] R10: 0000000000000000 R11: 0000000000000246 R12: 00005610e28e0ffd
[  186.900457][ T2341] R13: 00005611044b3960 R14: 0000000000040000 R15: 0000000000000000
| [  203.538621][ T2968] softirqs last disabled at (0): 0x0
| [  203.538623][ T2968] Preemption disabled at:
| [  203.538624][ T2968] 0x0
| [  203.538634][ T2968] Tainted: [W]=WARN
[  203.538635][ T2968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  203.538637][ T2968] Call Trace:
[  203.538639][ T2968]  <TASK>
[  203.538641][ T2968]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  203.538647][ T2968]  __might_resched.cold (kernel/sched/core.c:9234)
[  203.538652][ T2968]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  203.538656][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538661][ T2968]  __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))
[  203.538665][ T2968]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  203.538668][ T2968]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  203.538673][ T2968]  ? 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)
[  203.538675][ T2968]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  203.538678][ T2968]  put_chars (drivers/char/virtio_console.c:1176)
[  203.538681][ T2968]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  203.538683][ T2968]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  203.538687][ T2968]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  203.538692][ T2968]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  203.538695][ T2968]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  203.538697][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538699][ T2968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.538702][ T2968]  console_emit_next_record (kernel/printk/printk.c:3183)
[  203.538706][ T2968]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  203.538708][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538710][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538712][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538715][ T2968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.538717][ T2968]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  203.538719][ T2968]  console_flush_one_record (kernel/printk/printk.c:3268)
[  203.538722][ T2968]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  203.538726][ T2968]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  203.538729][ T2968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.538731][ T2968]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  203.538734][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538736][ T2968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  203.538738][ T2968]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  203.538741][ T2968]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  203.538744][ T2968]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  203.538747][ T2968]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  203.538750][ T2968]  vprintk_emit (kernel/printk/printk.c:2479)
[  203.538753][ T2968]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  203.538756][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538758][ T2968]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  203.538762][ T2968]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  203.538765][ T2968]  _printk (kernel/printk/printk.c:2504)
[  203.538769][ T2968]  ? snapshot_read.cold (user.c:?)
[  203.538773][ T2968]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  203.538779][ T2968] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  203.538797][ T2968] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  203.538810][ T2968] br_device_event (net/bridge/br.c:111) bridge
[  203.538824][ T2968]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  203.538829][ T2968]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  203.538832][ T2968]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  203.538837][ T2968]  notifier_call_chain (kernel/notifier.c:85)
[  203.538842][ T2968]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  203.538846][ T2968]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  203.538848][ T2968]  ? netif_change_name (net/core/dev.c:1517)
[  203.538852][ T2968]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  203.538855][ T2968]  ? __kernel_text_address (kernel/extable.c:79)
[  203.538857][ T2968]  ? write_profile (profile.c:?)
[  203.538861][ T2968]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  203.538865][ T2968]  netif_change_flags (net/core/dev.c:9882)
[  203.538868][ T2968]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  203.538873][ T2968]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  203.538875][ T2968]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  203.538877][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538879][ T2968]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  203.538885][ T2968]  ? kasan_save_stack (mm/kasan/common.c:58)
[  203.538889][ T2968]  ? kasan_save_stack (mm/kasan/common.c:57)
[  203.538891][ T2968]  ? kasan_save_track (mm/kasan/common.c:78)
[  203.538893][ T2968]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  203.538895][ T2968]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  203.538898][ T2968]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  203.538900][ T2968]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  203.538902][ T2968]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  203.538905][ T2968]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  203.538907][ T2968]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  203.538909][ T2968]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  203.538913][ T2968]  ? ___sys_sendmsg (net/socket.c:2767)
[  203.538915][ T2968]  ? __sys_sendmsg (net/socket.c:2799)
[  203.538917][ T2968]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  203.538923][ T2968]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  203.538927][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538930][ T2968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.538932][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538934][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538937][ T2968]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  203.538941][ T2968]  ? __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)
[  203.538943][ T2968]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  203.538945][ T2968]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  203.538948][ T2968]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  203.538951][ T2968]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  203.538955][ T2968]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  203.538958][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538961][ T2968]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  203.538963][ T2968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.538965][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538968][ T2968]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  203.538972][ T2968]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  203.538974][ T2968]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  203.538977][ T2968]  ? __kernel_text_address (kernel/extable.c:79)
[  203.538979][ T2968]  ? write_profile (profile.c:?)
[  203.538980][ T2968]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  203.538983][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538985][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538988][ T2968]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  203.538992][ T2968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.538994][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.538997][ T2968]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  203.538999][ T2968]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  203.539008][ T2968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  203.539010][ T2968]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  203.539012][ T2968]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  203.539016][ T2968]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  203.539019][ T2968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  203.539021][ T2968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  203.539024][ T2968]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  203.539026][ T2968]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  203.539030][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.539032][ T2968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  203.539036][ T2968]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  203.539039][ T2968]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  203.539041][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.539044][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.539046][ T2968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.539049][ T2968]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  203.539052][ T2968]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  203.539055][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.539058][ T2968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  203.539061][ T2968]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  203.539063][ T2968]  ? copy_msghdr_from_user (net/socket.c:2650)
[  203.539066][ T2968]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  203.539068][ T2968]  ? move_addr_to_kernel (net/socket.c:258)
[  203.539070][ T2968]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  203.539074][ T2968]  ___sys_sendmsg (net/socket.c:2767)
[  203.539077][ T2968]  ? copy_msghdr_from_user (net/socket.c:2619)
[  203.539085][ T2968]  __sys_sendmsg (net/socket.c:2799)
[  203.539088][ T2968]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  203.539093][ T2968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.539096][ T2968]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  203.539098][ T2968]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  203.539101][ T2968]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  203.539104][ T2968] RIP: 0033:0x7f949fce554e
[  203.539107][ T2968] 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
[  203.539109][ T2968] RSP: 002b:00007ffec4e9cfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  203.539114][ T2968] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f949fce554e
[  203.539116][ T2968] RDX: 0000000000000000 RSI: 00007ffec4e9d090 RDI: 0000000000000005
[  203.539118][ T2968] RBP: 00007ffec4e9cff0 R08: 0000000000000000 R09: 0000000000000000
[  203.539119][ T2968] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfb3
[  203.539121][ T2968] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec4e9d750
| [  219.960399][ T3060] softirqs last disabled at (0): 0x0
| [  219.960401][ T3060] Preemption disabled at:
| [  219.960401][ T3060] 0x0
| [  219.960410][ T3060] Tainted: [W]=WARN
[  219.960411][ T3060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.960412][ T3060] Call Trace:
[  219.960414][ T3060]  <TASK>
[  219.960415][ T3060]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.960421][ T3060]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.960425][ T3060]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.960428][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960432][ T3060]  __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))
[  219.960436][ T3060]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.960439][ T3060]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.960443][ T3060]  ? 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)
[  219.960444][ T3060]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.960446][ T3060]  put_chars (drivers/char/virtio_console.c:1176)
[  219.960448][ T3060]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.960450][ T3060]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  219.960454][ T3060]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.960457][ T3060]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.960459][ T3060]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.960461][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960463][ T3060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.960465][ T3060]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.960467][ T3060]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.960469][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960471][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960473][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960475][ T3060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.960477][ T3060]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  219.960478][ T3060]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.960481][ T3060]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.960483][ T3060]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.960485][ T3060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.960487][ T3060]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.960488][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960490][ T3060]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.960491][ T3060]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  219.960493][ T3060]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  219.960495][ T3060]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.960497][ T3060]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.960499][ T3060]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.960502][ T3060]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.960504][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960505][ T3060]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  219.960508][ T3060]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  219.960510][ T3060]  _printk (kernel/printk/printk.c:2504)
[  219.960513][ T3060]  ? snapshot_read.cold (user.c:?)
[  219.960515][ T3060]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  219.960520][ T3060] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  219.960532][ T3060] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  219.960540][ T3060] br_device_event (net/bridge/br.c:111) bridge
[  219.960549][ T3060]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  219.960553][ T3060]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  219.960555][ T3060]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  219.960558][ T3060]  notifier_call_chain (kernel/notifier.c:85)
[  219.960561][ T3060]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  219.960565][ T3060]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  219.960567][ T3060]  ? netif_change_name (net/core/dev.c:1517)
[  219.960569][ T3060]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  219.960571][ T3060]  ? __kernel_text_address (kernel/extable.c:79)
[  219.960573][ T3060]  ? write_profile (profile.c:?)
[  219.960575][ T3060]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  219.960578][ T3060]  netif_change_flags (net/core/dev.c:9882)
[  219.960581][ T3060]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  219.960584][ T3060]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  219.960585][ T3060]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  219.960587][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960589][ T3060]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  219.960592][ T3060]  ? kasan_save_stack (mm/kasan/common.c:58)
[  219.960595][ T3060]  ? kasan_save_stack (mm/kasan/common.c:57)
[  219.960597][ T3060]  ? kasan_save_track (mm/kasan/common.c:78)
[  219.960598][ T3060]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  219.960600][ T3060]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  219.960601][ T3060]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  219.960602][ T3060]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.960604][ T3060]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.960606][ T3060]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.960608][ T3060]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.960609][ T3060]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  219.960611][ T3060]  ? ___sys_sendmsg (net/socket.c:2767)
[  219.960613][ T3060]  ? __sys_sendmsg (net/socket.c:2799)
[  219.960614][ T3060]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.960616][ T3060]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.960619][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960621][ T3060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.960622][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960624][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960626][ T3060]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  219.960629][ T3060]  ? __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)
[  219.960630][ T3060]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  219.960632][ T3060]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  219.960633][ T3060]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  219.960635][ T3060]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  219.960637][ T3060]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.960639][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960641][ T3060]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.960642][ T3060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.960644][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960646][ T3060]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  219.960649][ T3060]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  219.960651][ T3060]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  219.960652][ T3060]  ? __kernel_text_address (kernel/extable.c:79)
[  219.960654][ T3060]  ? write_profile (profile.c:?)
[  219.960655][ T3060]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  219.960656][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960658][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960659][ T3060]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  219.960663][ T3060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.960665][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960667][ T3060]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.960668][ T3060]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.960670][ T3060]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.960671][ T3060]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.960672][ T3060]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  219.960675][ T3060]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.960676][ T3060]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.960678][ T3060]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.960679][ T3060]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.960681][ T3060]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  219.960684][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960685][ T3060]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.960687][ T3060]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.960689][ T3060]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.960691][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960692][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960694][ T3060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.960696][ T3060]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.960698][ T3060]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.960700][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960702][ T3060]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.960704][ T3060]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  219.960705][ T3060]  ? copy_msghdr_from_user (net/socket.c:2650)
[  219.960707][ T3060]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  219.960709][ T3060]  ? move_addr_to_kernel (net/socket.c:258)
[  219.960710][ T3060]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.960713][ T3060]  ___sys_sendmsg (net/socket.c:2767)
[  219.960714][ T3060]  ? copy_msghdr_from_user (net/socket.c:2619)
[  219.960719][ T3060]  __sys_sendmsg (net/socket.c:2799)
[  219.960721][ T3060]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  219.960724][ T3060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.960726][ T3060]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.960727][ T3060]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.960730][ T3060]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.960731][ T3060] RIP: 0033:0x7f81157e654e
[  219.960733][ T3060] 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
[  219.960735][ T3060] RSP: 002b:00007fff94f68040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  219.960739][ T3060] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f81157e654e
[  219.960740][ T3060] RDX: 0000000000000000 RSI: 00007fff94f680f0 RDI: 0000000000000005
[  219.960741][ T3060] RBP: 00007fff94f68050 R08: 0000000000000000 R09: 0000000000000000
[  219.960742][ T3060] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfc4
[  219.960743][ T3060] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff94f687b0
| [  225.777615][ T3114] softirqs last disabled at (0): 0x0
| [  225.777617][ T3114] Preemption disabled at:
| [  225.777618][ T3114] 0x0
| [  225.777627][ T3114] Tainted: [W]=WARN
[  225.777628][ T3114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  225.777629][ T3114] Call Trace:
[  225.777631][ T3114]  <TASK>
[  225.777632][ T3114]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  225.777638][ T3114]  __might_resched.cold (kernel/sched/core.c:9234)
[  225.777642][ T3114]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  225.777646][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777650][ T3114]  __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))
[  225.777654][ T3114]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  225.777657][ T3114]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.777661][ T3114]  ? 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)
[  225.777663][ T3114]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.777665][ T3114]  put_chars (drivers/char/virtio_console.c:1176)
[  225.777667][ T3114]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  225.777669][ T3114]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  225.777673][ T3114]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  225.777676][ T3114]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  225.777678][ T3114]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  225.777680][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777682][ T3114]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.777684][ T3114]  console_emit_next_record (kernel/printk/printk.c:3183)
[  225.777687][ T3114]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  225.777689][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777691][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777692][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777694][ T3114]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.777696][ T3114]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  225.777698][ T3114]  console_flush_one_record (kernel/printk/printk.c:3268)
[  225.777700][ T3114]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  225.777703][ T3114]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  225.777705][ T3114]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.777707][ T3114]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  225.777708][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777710][ T3114]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  225.777712][ T3114]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  225.777713][ T3114]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  225.777715][ T3114]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  225.777717][ T3114]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  225.777720][ T3114]  vprintk_emit (kernel/printk/printk.c:2479)
[  225.777722][ T3114]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  225.777724][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777726][ T3114]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  225.777729][ T3114]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  225.777730][ T3114]  _printk (kernel/printk/printk.c:2504)
[  225.777734][ T3114]  ? snapshot_read.cold (user.c:?)
[  225.777736][ T3114]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  225.777741][ T3114] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  225.777754][ T3114] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  225.777762][ T3114] br_device_event (net/bridge/br.c:111) bridge
[  225.777771][ T3114]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  225.777775][ T3114]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  225.777777][ T3114]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  225.777780][ T3114]  notifier_call_chain (kernel/notifier.c:85)
[  225.777783][ T3114]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  225.777787][ T3114]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  225.777789][ T3114]  ? netif_change_name (net/core/dev.c:1517)
[  225.777791][ T3114]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  225.777793][ T3114]  ? __kernel_text_address (kernel/extable.c:79)
[  225.777795][ T3114]  ? write_profile (profile.c:?)
[  225.777797][ T3114]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  225.777800][ T3114]  netif_change_flags (net/core/dev.c:9882)
[  225.777803][ T3114]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  225.777806][ T3114]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  225.777807][ T3114]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  225.777808][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777810][ T3114]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  225.777814][ T3114]  ? kasan_save_stack (mm/kasan/common.c:58)
[  225.777817][ T3114]  ? kasan_save_stack (mm/kasan/common.c:57)
[  225.777819][ T3114]  ? kasan_save_track (mm/kasan/common.c:78)
[  225.777820][ T3114]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  225.777822][ T3114]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  225.777823][ T3114]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  225.777825][ T3114]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  225.777826][ T3114]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  225.777829][ T3114]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  225.777830][ T3114]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  225.777831][ T3114]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  225.777834][ T3114]  ? ___sys_sendmsg (net/socket.c:2767)
[  225.777835][ T3114]  ? __sys_sendmsg (net/socket.c:2799)
[  225.777837][ T3114]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  225.777839][ T3114]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  225.777842][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777844][ T3114]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.777845][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777847][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777849][ T3114]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  225.777852][ T3114]  ? __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)
[  225.777853][ T3114]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  225.777855][ T3114]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  225.777857][ T3114]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  225.777859][ T3114]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  225.777861][ T3114]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  225.777863][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777865][ T3114]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  225.777866][ T3114]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.777868][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777870][ T3114]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  225.777873][ T3114]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  225.777875][ T3114]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  225.777876][ T3114]  ? __kernel_text_address (kernel/extable.c:79)
[  225.777878][ T3114]  ? write_profile (profile.c:?)
[  225.777879][ T3114]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  225.777880][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777882][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777884][ T3114]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  225.777887][ T3114]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.777889][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777891][ T3114]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  225.777892][ T3114]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  225.777894][ T3114]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  225.777895][ T3114]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  225.777897][ T3114]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  225.777899][ T3114]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  225.777901][ T3114]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  225.777902][ T3114]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  225.777904][ T3114]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  225.777905][ T3114]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  225.777908][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777910][ T3114]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  225.777911][ T3114]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  225.777913][ T3114]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  225.777915][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777917][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777919][ T3114]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.777924][ T3114]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  225.777926][ T3114]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  225.777928][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777930][ T3114]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  225.777932][ T3114]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  225.777933][ T3114]  ? copy_msghdr_from_user (net/socket.c:2650)
[  225.777935][ T3114]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  225.777937][ T3114]  ? move_addr_to_kernel (net/socket.c:258)
[  225.777938][ T3114]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  225.777941][ T3114]  ___sys_sendmsg (net/socket.c:2767)
[  225.777943][ T3114]  ? copy_msghdr_from_user (net/socket.c:2619)
[  225.777948][ T3114]  __sys_sendmsg (net/socket.c:2799)
[  225.777950][ T3114]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  225.777952][ T3114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.777954][ T3114]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  225.777956][ T3114]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  225.777958][ T3114]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  225.777960][ T3114] RIP: 0033:0x7fef7988754e
[  225.777961][ T3114] 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
[  225.777963][ T3114] RSP: 002b:00007ffc0abccaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  225.777967][ T3114] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fef7988754e
[  225.777968][ T3114] RDX: 0000000000000000 RSI: 00007ffc0abccba0 RDI: 0000000000000005
[  225.777969][ T3114] RBP: 00007ffc0abccb00 R08: 0000000000000000 R09: 0000000000000000
[  225.777970][ T3114] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfca


Finger prints:
__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
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars