======================================
| [    8.763048][  T130] softirqs last disabled at (13575): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    8.763050][  T130] Preemption disabled at:
| [    8.763051][  T130] 0x0
| [    8.763061][  T130] Tainted: [W]=WARN
[    8.763062][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.763064][  T130] Call Trace:
[    8.763066][  T130]  <TASK>
[    8.763067][  T130]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.763074][  T130]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.763078][  T130]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.763083][  T130]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.763088][  T130]  __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))
[    8.763090][  T130]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.763096][  T130]  ? 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)
[    8.763099][  T130]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.763102][  T130]  put_chars (drivers/char/virtio_console.c:1176)
[    8.763105][  T130]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.763106][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.763111][  T130]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.763116][  T130]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.763123][  T130]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.763125][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.763127][  T130]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.763131][  T130]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.763135][  T130]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.763137][  T130]  ? 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))
[    8.763140][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.763143][  T130]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.763147][  T130]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.763151][  T130]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.763153][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.763158][  T130]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.763161][  T130]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.763163][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.763165][  T130]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.763169][  T130]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.763170][  T130]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.763174][  T130]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.763178][  T130]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.763181][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.763185][  T130]  _printk (kernel/printk/printk.c:2504)
[    8.763189][  T130]  ? snapshot_read.cold (user.c:?)
[    8.763192][  T130]  ? 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)
[    8.763194][  T130]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.763198][  T130]  ? 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)
[    8.763201][  T130]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    8.763204][  T130]  ? exit_notify (kernel/exit.c:780)
[    8.763206][  T130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.763209][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.763213][  T130]  do_group_exit (kernel/exit.c:1151)
[    8.763216][  T130]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    8.763218][  T130]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    8.763220][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.763224][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.763227][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.763229][  T130] RIP: 0033:0x7fbeb233b1b8
[    8.763231][  T130] Code: Unable to access opcode bytes at 0x7fbeb233b18e.

Code starting with the faulting instruction
===========================================
[    8.763233][  T130] RSP: 002b:00007ffca2eae318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    8.763235][  T130] RAX: ffffffffffffffda RBX: 00007fbeb246bf88 RCX: 00007fbeb233b1b8
[    8.763236][  T130] RDX: 00007fbeb2198b48 RSI: fffffffffffffec8 RDI: 0000000000000000
[    8.763237][  T130] RBP: 00007ffca2eae370 R08: 00000000ffffffff R09: 0000000000001010
[    8.763238][  T130] R10: 00007ffca2eae190 R11: 0000000000000246 R12: 0000000000000002
[    8.763239][  T130] R13: 0000000000000000 R14: 00007fbeb246a680 R15: 00007fbeb246bfa0
| [   10.729430][  T245] softirqs last disabled at (18120): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.729433][  T245] Preemption disabled at:
| [   10.729433][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.729442][  T245] Tainted: [W]=WARN
[   10.729443][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.729445][  T245] Call Trace:
[   10.729447][  T245]  <TASK>
[   10.729448][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.729454][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.729457][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.729461][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.729465][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.729471][  T245]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.729473][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.729478][  T245]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.729481][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.729484][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   10.729487][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.729491][  T245]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.729495][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.729498][  T245]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.729500][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.729501][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.729505][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.729507][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.729510][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.729514][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.729518][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.729522][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.729524][  T245]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.729527][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.729529][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.729533][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.729537][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.729539][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.729544][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.729547][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.729549][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.729551][  T245]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.729555][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.729556][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.729560][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.729563][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.729566][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.729568][  T245]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.729572][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.729576][  T245]  _printk (kernel/printk/printk.c:2504)
[   10.729579][  T245]  ? snapshot_read.cold (user.c:?)
[   10.729583][  T245]  ? br_multicast_flood (??:?) bridge
[   10.729595][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.729597][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.729598][  T245]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.729602][  T245] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.729612][  T245] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.729621][  T245] new_nbp (net/bridge/br_if.c:449) bridge
[   10.729630][  T245] br_add_if (net/bridge/br_if.c:592) bridge
[   10.729638][  T245]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.729642][  T245]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.729645][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   10.729649][  T245]  do_set_master (net/core/rtnetlink.c:3071)
[   10.729653][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.729657][  T245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.729660][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.729661][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.729663][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.729667][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.729670][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.729671][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.729674][  T245]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.729677][  T245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.729679][  T245]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.729682][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.729684][  T245]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.729687][  T245]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.729691][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.729693][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.729696][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.729698][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.729700][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.729701][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.729704][  T245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.729708][  T245]  ? __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)
[   10.729709][  T245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.729712][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.729715][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.729717][  T245]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.729722][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.729727][  T245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.729732][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.729734][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.729738][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.729740][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.729742][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.729744][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.729748][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.729750][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.729753][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.729754][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.729759][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.729760][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.729764][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.729766][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.729769][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.729775][  T245]  ? 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))
[   10.729777][  T245]  ? 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))
[   10.729781][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.729784][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.729791][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.729795][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.729799][  T245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.729803][  T245]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.729808][  T245]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.729810][  T245]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.729813][  T245]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.729814][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   10.729822][  T245]  ___sys_sendmsg (net/socket.c:2767)
[   10.729824][  T245]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.729840][  T245]  __sys_sendmsg (net/socket.c:2799)
[   10.729843][  T245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.729849][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.729853][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.729857][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.729861][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.729864][  T245] RIP: 0033:0x7f1bafbfb54e
[   10.729869][  T245] 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
[   10.729870][  T245] RSP: 002b:00007ffc99914090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.729873][  T245] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1bafbfb54e
[   10.729875][  T245] RDX: 0000000000000000 RSI: 00007ffc99914140 RDI: 0000000000000005
[   10.729876][  T245] RBP: 00007ffc999140a0 R08: 0000000000000000 R09: 0000000000000000
[   10.729877][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c5d
[   10.729878][  T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc99914800
| [   18.414289][  T302] softirqs last disabled at (13510): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.414291][  T302] Preemption disabled at:
| [   18.414292][  T302] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.414301][  T302] Tainted: [W]=WARN
[   18.414302][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.414304][  T302] Call Trace:
[   18.414305][  T302]  <TASK>
[   18.414307][  T302]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.414313][  T302]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.414315][  T302]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.414320][  T302]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.414324][  T302]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.414329][  T302]  __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))
[   18.414331][  T302]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.414337][  T302]  ? 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)
[   18.414340][  T302]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.414343][  T302]  put_chars (drivers/char/virtio_console.c:1176)
[   18.414346][  T302]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.414347][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.414352][  T302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.414357][  T302]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.414363][  T302]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.414365][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.414368][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.414372][  T302]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.414376][  T302]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.414377][  T302]  ? 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))
[   18.414380][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.414383][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.414387][  T302]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.414391][  T302]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.414393][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.414398][  T302]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.414408][  T302]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.414410][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.414412][  T302]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.414416][  T302]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.414417][  T302]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.414421][  T302]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.414424][  T302]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.414426][  T302]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.414428][  T302]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.414431][  T302]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.414432][  T302]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.414435][  T302]  ? ___sys_sendmsg (net/socket.c:2767)
[   18.414436][  T302]  ? __sys_sendmsg (net/socket.c:2799)
[   18.414438][  T302]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.414443][  T302]  _printk (kernel/printk/printk.c:2504)
[   18.414447][  T302]  ? snapshot_read.cold (user.c:?)
[   18.414451][  T302]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.414454][  T302]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.414458][  T302]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.414460][  T302]  ? netdev_notice (net/core/dev.c:13194)
[   18.414464][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.414466][  T302]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   18.414469][  T302]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   18.414470][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.414472][  T302]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.414476][  T302]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   18.414480][  T302]  dev_set_allmulti (net/core/dev_api.c:315)
[   18.414484][  T302] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   18.414497][  T302]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.414503][  T302] br_del_if (net/bridge/br_if.c:732) bridge
[   18.414511][  T302]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.414514][  T302]  do_set_master (net/core/rtnetlink.c:3055)
[   18.414518][  T302]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.414521][  T302]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.414524][  T302]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.414526][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.414528][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.414532][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.414534][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.414536][  T302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.414539][  T302]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.414542][  T302]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.414543][  T302]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.414546][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.414548][  T302]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.414550][  T302]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.414553][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.414555][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.414558][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.414560][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.414562][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.414563][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.414566][  T302]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.414568][  T302]  ? __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)
[   18.414571][  T302]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.414573][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.414576][  T302]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.414578][  T302]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.414582][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.414587][  T302]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.414593][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.414595][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.414599][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.414601][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.414603][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.414605][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.414608][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.414610][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.414613][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.414614][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.414619][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.414621][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.414624][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.414626][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.414628][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.414634][  T302]  ? 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))
[   18.414636][  T302]  ? 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))
[   18.414640][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.414644][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.414646][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.414650][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.414654][  T302]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.414657][  T302]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.414662][  T302]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.414665][  T302]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.414667][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.414669][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   18.414676][  T302]  ___sys_sendmsg (net/socket.c:2767)
[   18.414678][  T302]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.414693][  T302]  __sys_sendmsg (net/socket.c:2799)
[   18.414696][  T302]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.414702][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.414706][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.414707][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.414710][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.414712][  T302] RIP: 0033:0x7f1841dec54e
[   18.414716][  T302] 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
[   18.414717][  T302] RSP: 002b:00007ffcc61e8050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.414720][  T302] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1841dec54e
[   18.414722][  T302] RDX: 0000000000000000 RSI: 00007ffcc61e8100 RDI: 0000000000000005
[   18.414723][  T302] RBP: 00007ffcc61e8060 R08: 0000000000000000 R09: 0000000000000000
[   18.414723][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c64
[   18.414724][  T302] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc61e87c0
| [   18.420178][    C0]
| [   18.420179][    C0]
| [   18.420179][    C0] stack backtrace:
| [   18.420183][    C0] Tainted: [W]=WARN
[   18.420184][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.420185][    C0] Call Trace:
[   18.420186][    C0]  <IRQ>
[   18.420187][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.420190][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   18.420192][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   18.420194][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   18.420197][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   18.420198][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   18.420200][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   18.420202][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.420204][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   18.420206][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.420208][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.420210][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   18.420212][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   18.420213][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   18.420216][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.420218][    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))
[   18.420220][    C0]  _printk (kernel/printk/printk.c:2504)
[   18.420221][    C0]  ? snapshot_read.cold (user.c:?)
[   18.420223][    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))
[   18.420225][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.420227][    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))
[   18.420229][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   18.420230][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   18.420232][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   18.420234][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   18.420236][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   18.420239][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.420241][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.420242][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.420245][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   18.420246][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   18.420247][  T302] br1: port 1(veth1) entered disabled state
[   18.420248][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   18.420250][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.420253][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.420255][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   18.420257][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   18.420259][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.420261][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.420263][    C0]  handle_softirqs (kernel/softirq.c:645)
[   18.420264][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.420266][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   18.420268][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   18.420269][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   18.420271][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   18.420272][    C0]  </IRQ>
[   18.420273][    C0]  <TASK>
[   18.420274][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   18.420275][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   18.420277][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   18.420280][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   18.420281][    C0] RSP: 0018:ffffffff92207cf8 EFLAGS: 00000296
[   18.420283][    C0] RAX: 00000000000840df RBX: ffffffff9221c600 RCX: ffffffff8f2f0307
[   18.420284][    C0] RDX: ffffffff9221c600 RSI: ffffffff92038b01 RDI: ffffffff91a8d8e0
[   18.420285][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   18.420286][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2440fa2
[   18.420286][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   18.420288][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   18.420290][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.420292][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   18.420293][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   18.420295][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   18.420296][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   18.420298][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   18.420300][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.420302][    C0]  do_idle (kernel/sched/idle.c:355)
[   18.420304][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   18.420305][    C0]  rest_init (init/main.c:727)
[   18.420307][    C0]  ? __cpuidle_text_end (??:?)
[   18.420310][    C0]  ? rest_init (init/main.c:727)
[   18.420312][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   18.420315][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   18.420318][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   18.420320][    C0]  start_kernel (init/main.c:1185)
[   18.420322][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   18.420324][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   18.420326][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   20.519757][  T304] softirqs last disabled at (0): 0x0
| [   20.519759][  T304] Preemption disabled at:
| [   20.519760][  T304] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.519767][  T304] Tainted: [W]=WARN
[   20.519768][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.519769][  T304] Call Trace:
[   20.519770][  T304]  <TASK>
[   20.519771][  T304]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.519775][  T304]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.519777][  T304]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.519780][  T304]  ? __module_address (kernel/module/main.c:3915)
[   20.519783][  T304]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.519786][  T304]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   20.519789][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519792][  T304]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.519794][  T304]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.519796][  T304]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.519798][  T304]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.519800][  T304]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.519801][  T304]  put_chars (drivers/char/virtio_console.c:1176)
[   20.519803][  T304]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   20.519804][  T304]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.519805][  T304]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.519808][  T304]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.519810][  T304]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.519812][  T304]  ? 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)
[   20.519813][  T304]  ? vsnprintf (lib/vsprintf.c:2900)
[   20.519816][  T304]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.519817][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519819][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.519821][  T304]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.519824][  T304]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.519826][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519827][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519829][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519831][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.519832][  T304]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   20.519834][  T304]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.519836][  T304]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.519839][  T304]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.519840][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.519842][  T304]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.519844][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519845][  T304]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.519847][  T304]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.519848][  T304]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   20.519850][  T304]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.519852][  T304]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.519854][  T304]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.519857][  T304]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.519860][  T304]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.519862][  T304]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   20.519865][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.519867][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519870][  T304]  _printk (kernel/printk/printk.c:2504)
[   20.519873][  T304]  ? snapshot_read.cold (user.c:?)
[   20.519875][  T304]  ? br_multicast_flood (??:?) bridge
[   20.519887][  T304]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.519889][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.519890][  T304]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.519892][  T304] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   20.519901][  T304] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   20.519908][  T304] new_nbp (net/bridge/br_if.c:449) bridge
[   20.519916][  T304] br_add_if (net/bridge/br_if.c:592) bridge
[   20.519922][  T304]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   20.519925][  T304]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.519927][  T304]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   20.519929][  T304]  ? __kernel_text_address (kernel/extable.c:79)
[   20.519931][  T304]  do_set_master (net/core/rtnetlink.c:3071)
[   20.519934][  T304]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.519936][  T304]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.519937][  T304]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.519938][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519940][  T304]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   20.519943][  T304]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.519946][  T304]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.519947][  T304]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.519949][  T304]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.519950][  T304]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   20.519952][  T304]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   20.519953][  T304]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.519954][  T304]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.519957][  T304]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.519958][  T304]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.519959][  T304]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.519962][  T304]  ? ___sys_sendmsg (net/socket.c:2767)
[   20.519963][  T304]  ? __sys_sendmsg (net/socket.c:2799)
[   20.519965][  T304]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.519966][  T304]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.519968][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519970][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.519971][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519973][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519975][  T304]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.519977][  T304]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   20.519979][  T304]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.519980][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.519982][  T304]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.519983][  T304]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.519985][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.519987][  T304]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.519989][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519991][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.519992][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.519993][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.519995][  T304]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   20.519997][  T304]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.519999][  T304]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   20.520000][  T304]  ? __kernel_text_address (kernel/extable.c:79)
[   20.520001][  T304]  ? write_profile (profile.c:?)
[   20.520002][  T304]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.520005][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.520006][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.520008][  T304]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.520011][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.520013][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.520015][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.520016][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.520017][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.520019][  T304]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   20.520020][  T304]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   20.520022][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.520024][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.520025][  T304]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.520026][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.520028][  T304]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   20.520030][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.520032][  T304]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.520034][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.520036][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.520037][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.520039][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.520040][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.520042][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.520044][  T304]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.520046][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.520048][  T304]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.520049][  T304]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.520051][  T304]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.520053][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.520054][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   20.520055][  T304]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   20.520058][  T304]  ___sys_sendmsg (net/socket.c:2767)
[   20.520060][  T304]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.520064][  T304]  __sys_sendmsg (net/socket.c:2799)
[   20.520066][  T304]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.520069][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.520071][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.520072][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.520074][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.520075][  T304] RIP: 0033:0x7f0bc83c954e
[   20.520077][  T304] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.520079][  T304] RSP: 002b:00007fffaf7daf70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.520081][  T304] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0bc83c954e
[   20.520083][  T304] RDX: 0000000000000000 RSI: 00007fffaf7db020 RDI: 0000000000000005
[   20.520084][  T304] RBP: 00007fffaf7daf80 R08: 0000000000000000 R09: 0000000000000000
[   20.520084][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c66
[   20.520085][  T304] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaf7db6e0
| [   38.921415][  T411] softirqs last disabled at (0): 0x0
| [   38.921417][  T411] Preemption disabled at:
| [   38.921418][  T411] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.921429][  T411] Tainted: [W]=WARN
[   38.921430][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.921432][  T411] Call Trace:
[   38.921434][  T411]  <TASK>
[   38.921435][  T411]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.921440][  T411]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.921442][  T411]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.921446][  T411]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.921449][  T411]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   38.921452][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921456][  T411]  __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))
[   38.921459][  T411]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.921462][  T411]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.921466][  T411]  ? 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)
[   38.921468][  T411]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.921470][  T411]  put_chars (drivers/char/virtio_console.c:1176)
[   38.921472][  T411]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.921474][  T411]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   38.921476][  T411]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.921479][  T411]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.921481][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921483][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921485][  T411]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.921487][  T411]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.921489][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921491][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921493][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921494][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921496][  T411]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.921498][  T411]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.921500][  T411]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.921503][  T411]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.921514][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921516][  T411]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.921518][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921520][  T411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.921521][  T411]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.921522][  T411]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.921525][  T411]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.921527][  T411]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.921529][  T411]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.921531][  T411]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.921533][  T411]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.921536][  T411]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.921539][  T411]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.921540][  T411]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.921543][  T411]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.921544][  T411]  ? __sys_sendmsg (net/socket.c:2799)
[   38.921546][  T411]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.921550][  T411]  _printk (kernel/printk/printk.c:2504)
[   38.921553][  T411]  ? snapshot_read.cold (user.c:?)
[   38.921555][  T411]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.921558][  T411]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.921560][  T411]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.921562][  T411]  ? netdev_notice (net/core/dev.c:13194)
[   38.921564][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921566][  T411]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   38.921567][  T411]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   38.921570][  T411]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   38.921571][  T411]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.921574][  T411]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   38.921577][  T411]  dev_set_allmulti (net/core/dev_api.c:315)
[   38.921580][  T411] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   38.921592][  T411]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.921596][  T411]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.921599][  T411] br_del_if (net/bridge/br_if.c:732) bridge
[   38.921606][  T411]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.921608][  T411]  do_set_master (net/core/rtnetlink.c:3055)
[   38.921611][  T411]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   38.921613][  T411]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.921616][  T411]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.921617][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921619][  T411]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.921623][  T411]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.921625][  T411]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.921627][  T411]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.921628][  T411]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.921630][  T411]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   38.921631][  T411]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   38.921632][  T411]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.921634][  T411]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.921635][  T411]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.921636][  T411]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.921637][  T411]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.921639][  T411]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.921640][  T411]  ? __sys_sendmsg (net/socket.c:2799)
[   38.921642][  T411]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.921643][  T411]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.921645][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921647][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921649][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921650][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921652][  T411]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.921654][  T411]  ? __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)
[   38.921656][  T411]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.921658][  T411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.921659][  T411]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.921660][  T411]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.921663][  T411]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.921665][  T411]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.921667][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921669][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.921670][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921671][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921673][  T411]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   38.921675][  T411]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.921677][  T411]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.921678][  T411]  ? __kernel_text_address (kernel/extable.c:79)
[   38.921680][  T411]  ? write_profile (profile.c:?)
[   38.921681][  T411]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.921683][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921685][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921687][  T411]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.921691][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921692][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921694][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.921695][  T411]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.921697][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.921698][  T411]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.921700][  T411]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.921702][  T411]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.921704][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.921705][  T411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.921706][  T411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.921708][  T411]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   38.921710][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921712][  T411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.921714][  T411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.921716][  T411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.921718][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921719][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921721][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921723][  T411]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.921725][  T411]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.921727][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921728][  T411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.921730][  T411]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.921732][  T411]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.921734][  T411]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.921735][  T411]  ? move_addr_to_kernel (net/socket.c:258)
[   38.921737][  T411]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.921739][  T411]  ___sys_sendmsg (net/socket.c:2767)
[   38.921741][  T411]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.921746][  T411]  __sys_sendmsg (net/socket.c:2799)
[   38.921748][  T411]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.921751][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921753][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.921754][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.921756][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.921758][  T411] RIP: 0033:0x7f1d9dfdf54e
[   38.921760][  T411] 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
[   38.921762][  T411] RSP: 002b:00007ffc1fc95950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.921766][  T411] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1d9dfdf54e
[   38.921767][  T411] RDX: 0000000000000000 RSI: 00007ffc1fc95a00 RDI: 0000000000000005
[   38.921768][  T411] RBP: 00007ffc1fc95960 R08: 0000000000000000 R09: 0000000000000000
[   38.921769][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c79
[   38.921770][  T411] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1fc960c0
| [   41.003532][  T414] softirqs last disabled at (0): 0x0
| [   41.003534][  T414] Preemption disabled at:
| [   41.003535][  T414] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.003545][  T414] Tainted: [W]=WARN
[   41.003546][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.003548][  T414] Call Trace:
[   41.003549][  T414]  <TASK>
[   41.003550][  T414]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.003556][  T414]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.003558][  T414]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.003561][  T414]  ? __module_address (kernel/module/main.c:3915)
[   41.003565][  T414]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.003568][  T414]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   41.003569][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003573][  T414]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   41.003576][  T414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.003579][  T414]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.003582][  T414]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.003584][  T414]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.003586][  T414]  put_chars (drivers/char/virtio_console.c:1176)
[   41.003588][  T414]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   41.003589][  T414]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.003590][  T414]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   41.003593][  T414]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.003596][  T414]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.003597][  T414]  ? 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)
[   41.003599][  T414]  ? vsnprintf (lib/vsprintf.c:2900)
[   41.003602][  T414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.003604][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003606][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.003608][  T414]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.003610][  T414]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.003612][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003613][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003615][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003617][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.003618][  T414]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.003620][  T414]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.003622][  T414]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.003625][  T414]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.003627][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.003628][  T414]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.003630][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003631][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.003633][  T414]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.003634][  T414]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.003636][  T414]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.003638][  T414]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.003640][  T414]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.003643][  T414]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.003644][  T414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.003646][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.003648][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.003649][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003651][  T414]  _printk (kernel/printk/printk.c:2504)
[   41.003654][  T414]  ? snapshot_read.cold (user.c:?)
[   41.003656][  T414]  ? br_multicast_flood (??:?) bridge
[   41.003668][  T414]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.003671][  T414]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.003672][  T414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.003674][  T414] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   41.003683][  T414] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   41.003690][  T414] new_nbp (net/bridge/br_if.c:449) bridge
[   41.003698][  T414] br_add_if (net/bridge/br_if.c:592) bridge
[   41.003705][  T414]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   41.003708][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.003710][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.003713][  T414]  ? __kernel_text_address (kernel/extable.c:79)
[   41.003715][  T414]  do_set_master (net/core/rtnetlink.c:3071)
[   41.003717][  T414]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.003719][  T414]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.003720][  T414]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.003722][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003723][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.003727][  T414]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.003730][  T414]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.003732][  T414]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.003733][  T414]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.003734][  T414]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.003736][  T414]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.003737][  T414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.003738][  T414]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.003741][  T414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.003742][  T414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.003743][  T414]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.003746][  T414]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.003747][  T414]  ? __sys_sendmsg (net/socket.c:2799)
[   41.003749][  T414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.003750][  T414]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.003753][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003755][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.003756][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003757][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003759][  T414]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.003762][  T414]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   41.003764][  T414]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.003766][  T414]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.003767][  T414]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.003768][  T414]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.003770][  T414]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.003772][  T414]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.003774][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003776][  T414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.003777][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.003779][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003781][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.003782][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.003784][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.003785][  T414]  ? __kernel_text_address (kernel/extable.c:79)
[   41.003786][  T414]  ? write_profile (profile.c:?)
[   41.003789][  T414]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.003792][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003794][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003795][  T414]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.003799][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.003800][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003802][  T414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.003803][  T414]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.003805][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.003806][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.003807][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.003810][  T414]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.003811][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.003812][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.003814][  T414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.003815][  T414]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.003818][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003819][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.003821][  T414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.003823][  T414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.003825][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003826][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003828][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.003830][  T414]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.003831][  T414]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.003833][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003835][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.003837][  T414]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.003838][  T414]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.003840][  T414]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.003841][  T414]  ? move_addr_to_kernel (net/socket.c:258)
[   41.003843][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.003845][  T414]  ___sys_sendmsg (net/socket.c:2767)
[   41.003847][  T414]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.003852][  T414]  __sys_sendmsg (net/socket.c:2799)
[   41.003853][  T414]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.003858][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.003861][  T414]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.003863][  T414]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.003866][  T414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.003868][  T414] RIP: 0033:0x7f3d737fb54e
[   41.003870][  T414] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.003872][  T414] RSP: 002b:00007fff546ef860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.003876][  T414] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3d737fb54e
[   41.003877][  T414] RDX: 0000000000000000 RSI: 00007fff546ef910 RDI: 0000000000000005
[   41.003878][  T414] RBP: 00007fff546ef870 R08: 0000000000000000 R09: 0000000000000000
[   41.003879][  T414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c7b
[   41.003880][  T414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff546effd0
| [   43.220506][  T455] softirqs last disabled at (0): 0x0
| [   43.220508][  T455] Preemption disabled at:
| [   43.220509][  T455] 0x0
| [   43.220517][  T455] Tainted: [W]=WARN
[   43.220518][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.220520][  T455] Call Trace:
[   43.220522][  T455]  <TASK>
[   43.220523][  T455]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.220535][  T455]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.220539][  T455]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.220543][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220547][  T455]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.220550][  T455]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.220553][  T455]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.220557][  T455]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.220559][  T455]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.220561][  T455]  put_chars (drivers/char/virtio_console.c:1176)
[   43.220563][  T455]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.220564][  T455]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.220568][  T455]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.220571][  T455]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.220573][  T455]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.220575][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220577][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.220579][  T455]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.220581][  T455]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.220583][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220585][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220586][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220588][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.220590][  T455]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.220591][  T455]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.220594][  T455]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.220596][  T455]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.220598][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.220599][  T455]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.220601][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220603][  T455]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.220604][  T455]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.220606][  T455]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.220608][  T455]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.220609][  T455]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.220611][  T455]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.220614][  T455]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.220615][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220617][  T455]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.220619][  T455]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   43.220621][  T455]  _printk (kernel/printk/printk.c:2504)
[   43.220624][  T455]  ? snapshot_read.cold (user.c:?)
[   43.220626][  T455]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   43.220631][  T455] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.220644][  T455] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   43.220652][  T455] br_device_event (net/bridge/br.c:111) bridge
[   43.220661][  T455]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   43.220664][  T455]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   43.220666][  T455]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   43.220670][  T455]  notifier_call_chain (kernel/notifier.c:85)
[   43.220673][  T455]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   43.220676][  T455]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.220678][  T455]  ? netif_change_name (net/core/dev.c:1517)
[   43.220680][  T455]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   43.220682][  T455]  ? __kernel_text_address (kernel/extable.c:79)
[   43.220684][  T455]  ? write_profile (profile.c:?)
[   43.220686][  T455]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.220689][  T455]  netif_change_flags (net/core/dev.c:9882)
[   43.220691][  T455]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   43.220694][  T455]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.220695][  T455]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.220697][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220698][  T455]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.220702][  T455]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.220705][  T455]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.220706][  T455]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.220708][  T455]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.220709][  T455]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.220711][  T455]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.220712][  T455]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.220713][  T455]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.220716][  T455]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.220717][  T455]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.220718][  T455]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.220721][  T455]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.220722][  T455]  ? __sys_sendmsg (net/socket.c:2799)
[   43.220724][  T455]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.220726][  T455]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.220729][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220730][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.220732][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220733][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220735][  T455]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.220738][  T455]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   43.220739][  T455]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.220741][  T455]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.220742][  T455]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.220744][  T455]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.220746][  T455]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.220748][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220750][  T455]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.220751][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.220752][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220754][  T455]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.220757][  T455]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.220759][  T455]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.220760][  T455]  ? __kernel_text_address (kernel/extable.c:79)
[   43.220762][  T455]  ? write_profile (profile.c:?)
[   43.220763][  T455]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.220764][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220766][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220767][  T455]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.220771][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.220772][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220774][  T455]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.220775][  T455]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.220777][  T455]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.220778][  T455]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.220780][  T455]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.220782][  T455]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.220783][  T455]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.220785][  T455]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.220786][  T455]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.220790][  T455]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.220792][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220794][  T455]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.220796][  T455]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.220798][  T455]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.220799][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220801][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220803][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.220804][  T455]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.220806][  T455]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.220808][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220810][  T455]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.220812][  T455]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.220813][  T455]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.220815][  T455]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.220816][  T455]  ? move_addr_to_kernel (net/socket.c:258)
[   43.220818][  T455]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.220820][  T455]  ___sys_sendmsg (net/socket.c:2767)
[   43.220822][  T455]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.220827][  T455]  __sys_sendmsg (net/socket.c:2799)
[   43.220828][  T455]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.220831][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.220833][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.220834][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.220837][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.220838][  T455] RIP: 0033:0x7f1c746a754e
[   43.220840][  T455] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.220842][  T455] RSP: 002b:00007fff243f9940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.220845][  T455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1c746a754e
[   43.220847][  T455] RDX: 0000000000000000 RSI: 00007fff243f99f0 RDI: 0000000000000005
[   43.220848][  T455] RBP: 00007fff243f9950 R08: 0000000000000000 R09: 0000000000000000
[   43.220848][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c7d


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
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning