======================================
| [   10.538740][  T196] softirqs last disabled at (25618): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.538742][  T196] Preemption disabled at:
| [   10.538743][  T196] 0x0
| [   10.538753][  T196] Tainted: [W]=WARN
[   10.538754][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.538756][  T196] Call Trace:
[   10.538758][  T196]  <TASK>
[   10.538759][  T196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.538766][  T196]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.538770][  T196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.538775][  T196]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.538780][  T196]  __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))
[   10.538782][  T196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.538788][  T196]  ? 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)
[   10.538790][  T196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.538793][  T196]  put_chars (drivers/char/virtio_console.c:1176)
[   10.538796][  T196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.538798][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.538803][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.538808][  T196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.538814][  T196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.538816][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.538819][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.538822][  T196]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.538826][  T196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.538828][  T196]  ? 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))
[   10.538831][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.538834][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.538838][  T196]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.538842][  T196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.538843][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.538849][  T196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.538851][  T196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.538853][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.538855][  T196]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.538859][  T196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.538861][  T196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.538864][  T196]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.538868][  T196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.538871][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.538875][  T196]  _printk (kernel/printk/printk.c:2504)
[   10.538879][  T196]  ? snapshot_read.cold (user.c:?)
[   10.538882][  T196]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.538884][  T196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.538888][  T196]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.538891][  T196]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.538894][  T196]  ? exit_notify (kernel/exit.c:780)
[   10.538896][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.538899][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.538903][  T196]  do_group_exit (kernel/exit.c:1151)
[   10.538906][  T196]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.538907][  T196]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.538910][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.538913][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.538921][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.538925][  T196] RIP: 0033:0x7f53dbc261b8
[   10.538927][  T196] Code: Unable to access opcode bytes at 0x7f53dbc2618e.

Code starting with the faulting instruction
===========================================
[   10.538929][  T196] RSP: 002b:00007fff3d508698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.538931][  T196] RAX: ffffffffffffffda RBX: 00007f53dbd56f88 RCX: 00007f53dbc261b8
[   10.538932][  T196] RDX: 00007f53db970fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.538933][  T196] RBP: 00007fff3d5086f0 R08: 0000000000000000 R09: 0000000000008010
[   10.538934][  T196] R10: 00007fff3d5084b0 R11: 0000000000000246 R12: 0000000000000001
[   10.538935][  T196] R13: 0000000000000000 R14: 00007f53dbd55680 R15: 00007f53dbd56fa0
| [   12.378807][  T254] softirqs last disabled at (21648): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.378810][  T254] Preemption disabled at:
| [   12.378810][  T254] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.378820][  T254] Tainted: [W]=WARN
[   12.378821][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.378823][  T254] Call Trace:
[   12.378824][  T254]  <TASK>
[   12.378826][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.378832][  T254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.378834][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.378839][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.378843][  T254]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.378848][  T254]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.378851][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.378856][  T254]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.378859][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.378862][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   12.378865][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.378870][  T254]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.378873][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.378876][  T254]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.378878][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.378880][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.378884][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.378886][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.378889][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.378893][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.378897][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.378901][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.378902][  T254]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.378906][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.378908][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.378912][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.378916][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.378918][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.378930][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.378933][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.378935][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.378938][  T254]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.378941][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.378943][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.378946][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.378950][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.378953][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.378954][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.378959][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.378962][  T254]  _printk (kernel/printk/printk.c:2504)
[   12.378966][  T254]  ? snapshot_read.cold (user.c:?)
[   12.378969][  T254]  ? br_multicast_flood (??:?) bridge
[   12.378982][  T254]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.378984][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.378985][  T254]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.378989][  T254] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.379000][  T254] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.379008][  T254] new_nbp (net/bridge/br_if.c:449) bridge
[   12.379018][  T254] br_add_if (net/bridge/br_if.c:592) bridge
[   12.379025][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.379029][  T254]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.379032][  T254]  ? __kernel_text_address (kernel/extable.c:79)
[   12.379036][  T254]  do_set_master (net/core/rtnetlink.c:3071)
[   12.379041][  T254]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.379044][  T254]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.379047][  T254]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.379048][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.379051][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.379054][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.379057][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.379059][  T254]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.379061][  T254]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.379064][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.379066][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.379069][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.379071][  T254]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.379074][  T254]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.379078][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.379080][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.379082][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.379085][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.379086][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.379088][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.379090][  T254]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.379094][  T254]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.379096][  T254]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.379098][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.379102][  T254]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.379103][  T254]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.379109][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.379115][  T254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.379120][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.379122][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.379126][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.379128][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.379130][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.379132][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.379136][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.379138][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.379141][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.379142][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.379147][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.379148][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.379152][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.379154][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.379157][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.379163][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.379164][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.379169][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.379172][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.379175][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.379179][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.379183][  T254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.379187][  T254]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.379192][  T254]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.379194][  T254]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.379197][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.379198][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   12.379206][  T254]  ___sys_sendmsg (net/socket.c:2767)
[   12.379208][  T254]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.379224][  T254]  __sys_sendmsg (net/socket.c:2799)
[   12.379227][  T254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.379234][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.379237][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.379240][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.379243][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.379245][  T254] RIP: 0033:0x7f954369054e
[   12.379249][  T254] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.379250][  T254] RSP: 002b:00007ffceed34da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.379253][  T254] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f954369054e
[   12.379254][  T254] RDX: 0000000000000000 RSI: 00007ffceed34e50 RDI: 0000000000000005
[   12.379255][  T254] RBP: 00007ffceed34db0 R08: 0000000000000000 R09: 0000000000000000
[   12.379256][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d29
[   12.379257][  T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffceed35510
| [   26.885472][  T330] softirqs last disabled at (19404): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2))
| [   26.885474][  T330] Preemption disabled at:
| [   26.885475][  T330] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.885484][  T330] Tainted: [W]=WARN
[   26.885485][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.885486][  T330] Call Trace:
[   26.885488][  T330]  <TASK>
[   26.885490][  T330]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.885495][  T330]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.885497][  T330]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.885502][  T330]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.885506][  T330]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.885511][  T330]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.885513][  T330]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.885519][  T330]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.885521][  T330]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.885524][  T330]  put_chars (drivers/char/virtio_console.c:1176)
[   26.885526][  T330]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   26.885528][  T330]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.885531][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.885535][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.885539][  T330]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.885541][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.885543][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.885547][  T330]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.885549][  T330]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   26.885552][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.885555][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.885559][  T330]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.885562][  T330]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.885564][  T330]  ? 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))
[   26.885567][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.885569][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.885573][  T330]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.885577][  T330]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.885579][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.885584][  T330]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.885587][  T330]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.885588][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.885591][  T330]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.885594][  T330]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.885596][  T330]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.885599][  T330]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.885603][  T330]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.885605][  T330]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.885607][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.885608][  T330]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   26.885610][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   26.885613][  T330]  _printk (kernel/printk/printk.c:2504)
[   26.885617][  T330]  ? snapshot_read.cold (user.c:?)
[   26.885620][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.885622][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.885624][  T330]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.885627][  T330]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.885631][  T330]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.885633][  T330]  ? netdev_notice (net/core/dev.c:13194)
[   26.885637][  T330]  ? 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)
[   26.885639][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.885641][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.885644][  T330]  ? 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)
[   26.885647][  T330]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   26.885652][  T330]  __dev_change_flags (net/core/dev.c:9821)
[   26.885655][  T330]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   26.885657][  T330]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.885660][  T330]  ? __kernel_text_address (kernel/extable.c:79)
[   26.885662][  T330]  ? write_profile (profile.c:?)
[   26.885664][  T330]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.885669][  T330]  netif_change_flags (net/core/dev.c:9877)
[   26.885673][  T330]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   26.885677][  T330]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.885679][  T330]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.885680][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.885682][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.885685][  T330]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.885688][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.885689][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.885692][  T330]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.885695][  T330]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.885697][  T330]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.885699][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.885701][  T330]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   26.885704][  T330]  ? ___sys_sendmsg (net/socket.c:2757)
[   26.885709][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.885711][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.885713][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.885715][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.885717][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.885719][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.885721][  T330]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.885724][  T330]  ? __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)
[   26.885727][  T330]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.885729][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.885732][  T330]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.885737][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.885742][  T330]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.885747][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.885749][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.885754][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.885756][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.885757][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.885759][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.885763][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.885765][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.885768][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.885769][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.885773][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.885775][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.885779][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.885780][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.885783][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.885789][  T330]  ? 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))
[   26.885791][  T330]  ? 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))
[   26.885795][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.885798][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.885801][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.885805][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.885809][  T330]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.885812][  T330]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.885818][  T330]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.885820][  T330]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.885822][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.885824][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   26.885831][  T330]  ___sys_sendmsg (net/socket.c:2767)
[   26.885834][  T330]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.885849][  T330]  __sys_sendmsg (net/socket.c:2799)
[   26.885852][  T330]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.885858][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.885862][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.885864][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.885867][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.885869][  T330] RIP: 0033:0x7f8f8ced854e
[   26.885873][  T330] 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
[   26.885875][  T330] RSP: 002b:00007fffa8cdb3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.885878][  T330] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8f8ced854e
[   26.885879][  T330] RDX: 0000000000000000 RSI: 00007fffa8cdb450 RDI: 0000000000000005
[   26.885880][  T330] RBP: 00007fffa8cdb3b0 R08: 0000000000000000 R09: 0000000000000000
[   26.885881][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d38
[   26.885882][  T330] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa8cdbb10
| [   28.020047][    C2] softirqs last disabled at (653927): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.020049][    C2] Preemption disabled at:
| [   28.020050][    C2] 0x0
| [   28.020061][    C2] Tainted: [W]=WARN
[   28.020062][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.020064][    C2] Call Trace:
[   28.020065][    C2]  <IRQ>
[   28.020068][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.020073][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.020077][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.020081][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.020084][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020087][    C2]  __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))
[   28.020090][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.020093][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.020097][    C2]  ? 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)
[   28.020099][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.020101][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   28.020103][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.020105][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.020108][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.020112][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.020113][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020115][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.020117][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.020120][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.020121][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020123][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020125][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.020127][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.020128][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.020131][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.020133][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.020135][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.020137][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.020138][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020140][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.020141][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.020143][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.020145][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.020147][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.020149][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.020151][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.020163][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.020164][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.020171][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.020177][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.020181][    C2]  _printk (kernel/printk/printk.c:2504)
[   28.020184][    C2]  ? snapshot_read.cold (user.c:?)
[   28.020186][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.020190][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.020192][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.020194][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.020197][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.020200][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.020202][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.020203][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.020205][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.020207][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.020213][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020215][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.020217][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.020223][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.020225][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.020231][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.020237][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.020243][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   28.020246][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.020248][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.020251][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.020253][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.020255][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020257][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.020259][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.020265][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.020267][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.020270][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.020272][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.020274][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.020276][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.020278][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020280][    C2]  handle_softirqs (kernel/softirq.c:645)
[   28.020282][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.020284][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.020286][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.020287][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   28.020289][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.020292][    C2]  </IRQ>
[   28.020293][    C2]  <TASK>
[   28.020293][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.020295][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.020297][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.020300][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.020302][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   28.020306][    C2] RAX: 000000000009fa65 RBX: ff11000001bec6c0 RCX: ffffffff8eaf0307
[   28.020307][    C2] RDX: ff11000001bec6c0 RSI: ffffffff91838af6 RDI: ffffffff9128d8e0
[   28.020308][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.020309][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   28.020310][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.020311][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.020314][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.020316][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   28.020318][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.020320][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   28.020321][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.020324][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.020325][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.020327][    C2]  do_idle (kernel/sched/idle.c:355)
[   28.020328][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.020330][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.020332][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.020334][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.083343][    C2]
| [   28.083411][    C2]
| [   28.083411][    C2] stack backtrace:
| [   28.083631][    C2] Tainted: [W]=WARN
[   28.083633][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.083634][    C2] Call Trace:
[   28.083635][    C2]  <IRQ>
[   28.083637][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.083641][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.083645][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.083648][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.083649][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.083651][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.083653][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.083655][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.083662][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.083665][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.083667][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.083673][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.083675][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.083681][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.083687][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.083693][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   28.083695][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.083697][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.083701][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.083703][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.083704][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.083707][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.083708][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.083715][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.083717][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.083719][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.083722][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.083724][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.083726][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.083728][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.083730][    C2]  handle_softirqs (kernel/softirq.c:645)
[   28.083732][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.083733][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.083735][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.083737][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   28.083738][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.083740][    C2]  </IRQ>
[   28.083740][    C2]  <TASK>
[   28.083741][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.083742][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.083744][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.083746][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.083748][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   28.083750][    C2] RAX: 000000000009fa65 RBX: ff11000001bec6c0 RCX: ffffffff8eaf0307
[   28.083751][    C2] RDX: ff11000001bec6c0 RSI: ffffffff91838af6 RDI: ffffffff9128d8e0
[   28.083752][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.083753][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   28.083754][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.083755][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.083758][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.083759][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   28.083761][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.083763][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   28.083764][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.083766][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.083767][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.083769][    C2]  do_idle (kernel/sched/idle.c:355)
[   28.083770][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.083772][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.083773][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.083775][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.470205][  T356] softirqs last disabled at (0): 0x0
| [   29.470207][  T356] Preemption disabled at:
| [   29.470208][  T356] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.470219][  T356] Tainted: [W]=WARN
[   29.470219][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.470221][  T356] Call Trace:
[   29.470222][  T356]  <TASK>
[   29.470223][  T356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.470229][  T356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.470231][  T356]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.470234][  T356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.470238][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470241][  T356]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.470245][  T356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.470248][  T356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.470251][  T356]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.470253][  T356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.470255][  T356]  put_chars (drivers/char/virtio_console.c:1176)
[   29.470257][  T356]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.470258][  T356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.470260][  T356]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.470263][  T356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.470266][  T356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.470267][  T356]  ? 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)
[   29.470269][  T356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.470270][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470272][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470274][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470276][  T356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.470278][  T356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.470280][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470282][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470283][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470285][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470287][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.470289][  T356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.470291][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.470294][  T356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.470295][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470297][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.470299][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470300][  T356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.470302][  T356]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.470303][  T356]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.470305][  T356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.470307][  T356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.470309][  T356]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.470311][  T356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.470313][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470315][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470316][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470319][  T356]  _printk (kernel/printk/printk.c:2504)
[   29.470322][  T356]  ? snapshot_read.cold (user.c:?)
[   29.470324][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470325][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470327][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470328][  T356]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.470331][  T356]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.470333][  T356]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.470335][  T356]  ? netdev_notice (net/core/dev.c:13194)
[   29.470336][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470338][  T356]  ? 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)
[   29.470340][  T356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.470342][  T356]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.470344][  T356]  ? 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)
[   29.470347][  T356]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   29.470350][  T356]  __dev_change_flags (net/core/dev.c:9821)
[   29.470354][  T356]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.470356][  T356]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.470358][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   29.470360][  T356]  ? write_profile (profile.c:?)
[   29.470362][  T356]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.470365][  T356]  netif_change_flags (net/core/dev.c:9877)
[   29.470367][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.470371][  T356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.470372][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.470374][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470375][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.470379][  T356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.470382][  T356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.470383][  T356]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.470385][  T356]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.470386][  T356]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   29.470388][  T356]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   29.470389][  T356]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.470390][  T356]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.470393][  T356]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.470394][  T356]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.470395][  T356]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.470398][  T356]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.470399][  T356]  ? __sys_sendmsg (net/socket.c:2799)
[   29.470401][  T356]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.470404][  T356]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.470405][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470407][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470409][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470410][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470412][  T356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.470414][  T356]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.470416][  T356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.470417][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.470419][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.470421][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.470423][  T356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.470425][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470427][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.470428][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470430][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470432][  T356]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.470435][  T356]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.470437][  T356]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.470438][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   29.470440][  T356]  ? write_profile (profile.c:?)
[   29.470441][  T356]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.470442][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470444][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470445][  T356]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.470449][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470450][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470452][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.470453][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.470455][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.470456][  T356]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.470458][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.470460][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.470461][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.470463][  T356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.470464][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.470466][  T356]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.470468][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470470][  T356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.470472][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.470474][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.470475][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470477][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470479][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.470481][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.470483][  T356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.470484][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470486][  T356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.470488][  T356]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.470490][  T356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.470491][  T356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.470493][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   29.470494][  T356]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.470497][  T356]  ___sys_sendmsg (net/socket.c:2767)
[   29.470499][  T356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.470504][  T356]  __sys_sendmsg (net/socket.c:2799)
[   29.470505][  T356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.470508][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.470510][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.470512][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.470514][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.470515][  T356] RIP: 0033:0x7f2996d1c54e
[   29.470517][  T356] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.470519][  T356] RSP: 002b:00007ffe6db67e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.470523][  T356] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2996d1c54e
[   29.470524][  T356] RDX: 0000000000000000 RSI: 00007ffe6db67f30 RDI: 0000000000000005
[   29.470525][  T356] RBP: 00007ffe6db67e90 R08: 0000000000000000 R09: 0000000000000000
[   29.470526][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d3a


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