======================================
| [   10.481022][  T194] softirqs last disabled at (38853): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.481025][  T194] Preemption disabled at:
| [   10.481026][  T194] 0x0
| [   10.481040][  T194] Tainted: [W]=WARN
[   10.481041][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.481043][  T194] Call Trace:
[   10.481045][  T194]  <TASK>
[   10.481047][  T194]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.481056][  T194]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.481062][  T194]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.481068][  T194]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.481076][  T194]  __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))
[   10.481080][  T194]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.481089][  T194]  ? 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)
[   10.481092][  T194]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.481097][  T194]  put_chars (drivers/char/virtio_console.c:1176)
[   10.481102][  T194]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.481104][  T194]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.481111][  T194]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.481120][  T194]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.481132][  T194]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.481136][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.481140][  T194]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.481147][  T194]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.481153][  T194]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.481156][  T194]  ? 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))
[   10.481161][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.481165][  T194]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.481172][  T194]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.481179][  T194]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.481181][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.481191][  T194]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.481195][  T194]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.481198][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.481202][  T194]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.481208][  T194]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.481211][  T194]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.481217][  T194]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.481223][  T194]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.481229][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.481235][  T194]  _printk (kernel/printk/printk.c:2504)
[   10.481241][  T194]  ? snapshot_read.cold (user.c:?)
[   10.481246][  T194]  ? 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)
[   10.481250][  T194]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.481256][  T194]  ? 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)
[   10.481261][  T194]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.481266][  T194]  ? exit_notify (kernel/exit.c:780)
[   10.481269][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.481274][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.481281][  T194]  do_group_exit (kernel/exit.c:1151)
[   10.481286][  T194]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.481289][  T194]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.481292][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.481296][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.481301][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.481304][  T194] RIP: 0033:0x7f100aeab1b8
[   10.481308][  T194] Code: Unable to access opcode bytes at 0x7f100aeab18e.

Code starting with the faulting instruction
===========================================
[   10.481310][  T194] RSP: 002b:00007ffe8dc76f18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.481313][  T194] RAX: ffffffffffffffda RBX: 00007f100afdbf88 RCX: 00007f100aeab1b8
[   10.481315][  T194] RDX: 00007f100abf5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.481317][  T194] RBP: 00007ffe8dc76f70 R08: 0000000000000000 R09: 0000000000008010
[   10.481318][  T194] R10: 00007ffe8dc76d30 R11: 0000000000000246 R12: 0000000000000001
[   10.481319][  T194] R13: 0000000000000000 R14: 00007f100afda680 R15: 00007f100afdbfa0
| [   12.354592][  T255] softirqs last disabled at (11140): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.354595][  T255] Preemption disabled at:
| [   12.354595][  T255] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.354605][  T255] Tainted: [W]=WARN
[   12.354606][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.354607][  T255] Call Trace:
[   12.354609][  T255]  <TASK>
[   12.354610][  T255]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.354616][  T255]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.354618][  T255]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.354623][  T255]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.354627][  T255]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.354632][  T255]  __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))
[   12.354635][  T255]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.354640][  T255]  ? 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)
[   12.354643][  T255]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.354647][  T255]  put_chars (drivers/char/virtio_console.c:1176)
[   12.354649][  T255]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.354654][  T255]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.354657][  T255]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.354660][  T255]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.354662][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.354664][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.354668][  T255]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.354670][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.354673][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.354677][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.354681][  T255]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.354685][  T255]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.354686][  T255]  ? 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))
[   12.354690][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.354692][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.354696][  T255]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.354700][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.354702][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.354707][  T255]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.354710][  T255]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.354712][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.354714][  T255]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.354718][  T255]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.354719][  T255]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.354723][  T255]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.354727][  T255]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.354730][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.354733][  T255]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.354738][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.354743][  T255]  _printk (kernel/printk/printk.c:2504)
[   12.354748][  T255]  ? snapshot_read.cold (user.c:?)
[   12.354752][  T255]  ? br_multicast_flood (??:?) bridge
[   12.354765][  T255]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.354766][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.354767][  T255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.354772][  T255] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.354781][  T255] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.354790][  T255] new_nbp (net/bridge/br_if.c:449) bridge
[   12.354799][  T255] br_add_if (net/bridge/br_if.c:592) bridge
[   12.354806][  T255]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.354810][  T255]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.354813][  T255]  ? __kernel_text_address (kernel/extable.c:79)
[   12.354817][  T255]  do_set_master (net/core/rtnetlink.c:3071)
[   12.354821][  T255]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.354824][  T255]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.354828][  T255]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.354829][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.354831][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.354835][  T255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.354837][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.354839][  T255]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.354842][  T255]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.354845][  T255]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.354847][  T255]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.354849][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.354851][  T255]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.354854][  T255]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.354859][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.354861][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.354863][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.354866][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.354867][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.354869][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.354871][  T255]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.354875][  T255]  ? __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)
[   12.354877][  T255]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.354879][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.354882][  T255]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.354884][  T255]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.354889][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.354894][  T255]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.354899][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.354901][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.354905][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.354907][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.354909][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.354911][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.354914][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.354916][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.354919][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.354921][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.354925][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.354927][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.354930][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.354932][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.354935][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.354942][  T255]  ? 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))
[   12.354943][  T255]  ? 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))
[   12.354947][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.354951][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.354953][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.354958][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.354961][  T255]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.354965][  T255]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.354971][  T255]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.354973][  T255]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.354975][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.354977][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   12.354984][  T255]  ___sys_sendmsg (net/socket.c:2767)
[   12.354987][  T255]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.355002][  T255]  __sys_sendmsg (net/socket.c:2799)
[   12.355005][  T255]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.355011][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355014][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.355017][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.355020][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.355022][  T255] RIP: 0033:0x7f3bee99b54e
[   12.355026][  T255] 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
[   12.355027][  T255] RSP: 002b:00007ffdf0114490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.355030][  T255] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3bee99b54e
[   12.355032][  T255] RDX: 0000000000000000 RSI: 00007ffdf0114540 RDI: 0000000000000005
[   12.355033][  T255] RBP: 00007ffdf01144a0 R08: 0000000000000000 R09: 0000000000000000
[   12.355033][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102bb
[   12.355034][  T255] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf0114c00
| [   18.849852][  T315] softirqs last disabled at (24487): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.849855][  T315] Preemption disabled at:
| [   18.849856][  T315] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.849868][  T315] Tainted: [W]=WARN
[   18.849869][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.849871][  T315] Call Trace:
[   18.849873][  T315]  <TASK>
[   18.849875][  T315]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.849882][  T315]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.849885][  T315]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.849891][  T315]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.849896][  T315]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.849903][  T315]  __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))
[   18.849907][  T315]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.849915][  T315]  ? 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)
[   18.849918][  T315]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.849923][  T315]  put_chars (drivers/char/virtio_console.c:1176)
[   18.849927][  T315]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.849929][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.849935][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.849938][  T315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.849945][  T315]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.849949][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.849956][  T315]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.849961][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.849968][  T315]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.849974][  T315]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.849976][  T315]  ? 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))
[   18.849982][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.849985][  T315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.849992][  T315]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.849999][  T315]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.850002][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.850011][  T315]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.850015][  T315]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.850018][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.850022][  T315]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.850028][  T315]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.850030][  T315]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.850036][  T315]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.850043][  T315]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.850047][  T315]  ? netdev_run_todo (net/core/dev.c:11776)
[   18.850052][  T315]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   18.850057][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.850064][  T315]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   18.850069][  T315]  _printk (kernel/printk/printk.c:2504)
[   18.850074][  T315]  ? snapshot_read.cold (user.c:?)
[   18.850076][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.850081][  T315]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   18.850084][  T315]  ? __up_write (kernel/locking/rwsem.c:1415)
[   18.850087][  T315]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   18.850093][  T315]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   18.850097][  T315] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   18.850102][  T315]  do_one_initcall (init/main.c:1357)
[   18.850107][  T315]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.850115][  T315]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.850119][  T315]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.850127][  T315]  do_init_module (kernel/module/main.c:3117)
[   18.850133][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.850139][  T315]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.850144][  T315]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.850151][  T315]  load_module (kernel/module/main.c:3593)
[   18.850164][  T315]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.850170][  T315]  ? __ia32_sys_fsconfig (??:?)
[   18.850173][  T315]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   18.850178][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.850181][  T315]  ? backing_file_read_iter (fs/backing-file.c:211)
[   18.850185][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.850191][  T315]  init_module_from_file (kernel/module/main.c:3790)
[   18.850196][  T315]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.850209][  T315]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.850215][  T315]  ? 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)
[   18.850219][  T315]  idempotent_init_module (kernel/module/main.c:3802)
[   18.850224][  T315]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.850235][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.850238][  T315]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.850246][  T315]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.850249][  T315]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.850255][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.850257][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.850261][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.850265][  T315] RIP: 0033:0x7f1f4319b37d
[   18.850269][  T315] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.850271][  T315] RSP: 002b:00007ffd5a4c1358 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.850275][  T315] RAX: ffffffffffffffda RBX: 000055d5475f8810 RCX: 00007f1f4319b37d
[   18.850277][  T315] RDX: 0000000000000000 RSI: 000055d516263ffd RDI: 0000000000000000
[   18.850278][  T315] RBP: 00007ffd5a4c13f0 R08: 0000000000000000 R09: 0000000000000000
[   18.850279][  T315] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d516263ffd
[   18.850281][  T315] R13: 000055d5475f8960 R14: 0000000000040000 R15: 0000000000000000
| [   27.522692][    C0] softirqs last disabled at (777419): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.522694][    C0] Preemption disabled at:
| [   27.522694][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.522705][    C0] Tainted: [W]=WARN
[   27.522706][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.522708][    C0] Call Trace:
[   27.522710][    C0]  <IRQ>
[   27.522712][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.522718][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.522719][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.522723][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.522726][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.522729][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522733][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.522737][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.522739][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.522743][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.522745][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.522747][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.522749][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.522750][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.522753][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.522757][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.522758][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522760][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.522762][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.522764][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.522766][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522768][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522770][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.522771][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.522773][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.522775][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.522778][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.522780][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.522781][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.522783][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522784][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.522786][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.522788][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.522790][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.522792][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.522794][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.522796][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522797][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.522799][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   27.522803][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.522806][    C0]  ? snapshot_read.cold (user.c:?)
[   27.522808][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.522812][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.522814][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.522816][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.522818][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.522821][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.522823][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.522824][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.522826][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.522828][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.522841][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522842][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.522844][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.522851][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.522852][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.522859][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.522865][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.522871][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.522875][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.522876][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.522880][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.522882][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.522883][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522885][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.522887][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.522894][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.522895][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.522898][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.522900][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.522902][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.522904][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.522906][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522908][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.522910][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.522911][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.522913][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.522915][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.522916][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.522919][    C0]  </IRQ>
[   27.522920][    C0]  <TASK>
[   27.522920][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.522922][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.522924][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.522927][    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
[   27.522929][    C0] RSP: 0018:ffffffffb8007cf8 EFLAGS: 00000296
[   27.522932][    C0] RAX: 00000000000bdcc9 RBX: ffffffffb801c600 RCX: ffffffffb50f0307
[   27.522934][    C0] RDX: ffffffffb801c600 RSI: ffffffffb7e38b01 RDI: ffffffffb788d8e0
[   27.522934][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.522935][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7000fa2
[   27.522936][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.522938][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.522941][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.522942][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.522944][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.522946][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.522947][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.522949][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.522951][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.522952][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.522954][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.522956][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.522957][    C0]  rest_init (init/main.c:727)
[   27.522959][    C0]  ? __cpuidle_text_end (??:?)
[   27.522962][    C0]  ? rest_init (init/main.c:727)
[   27.522964][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.522968][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.522970][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.522972][    C0]  start_kernel (init/main.c:1185)
[   27.522974][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.522976][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.522978][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.588843][    C0]
| [   27.588913][    C0]
| [   27.588913][    C0] stack backtrace:
| [   27.589152][    C0] Tainted: [W]=WARN
[   27.589153][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.589154][    C0] Call Trace:
[   27.589156][    C0]  <IRQ>
[   27.589157][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.589161][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.589165][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.589168][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.589169][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.589171][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.589173][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.589175][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.589182][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.589185][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.589187][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.589193][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.589195][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.589201][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.589208][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.589214][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.589216][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.589217][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.589221][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.589223][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.589225][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.589227][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.589229][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.589236][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.589237][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.589240][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.589242][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.589244][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.589246][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.589248][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.589250][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.589252][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.589254][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.589256][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.589257][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.589259][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.589260][    C0]  </IRQ>
[   27.589261][    C0]  <TASK>
[   27.589262][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.589263][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.589265][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.589267][    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
[   27.589269][    C0] RSP: 0018:ffffffffb8007cf8 EFLAGS: 00000296
[   27.589272][    C0] RAX: 00000000000bdcc9 RBX: ffffffffb801c600 RCX: ffffffffb50f0307
[   27.589273][    C0] RDX: ffffffffb801c600 RSI: ffffffffb7e38b01 RDI: ffffffffb788d8e0
[   27.589274][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.589275][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7000fa2
[   27.589275][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.589277][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.589279][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.589281][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.589282][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.589284][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.589286][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.589287][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.589290][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.589291][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.589293][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.589294][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.589296][    C0]  rest_init (init/main.c:727)
[   27.589298][    C0]  ? __cpuidle_text_end (??:?)
[   27.589300][    C0]  ? rest_init (init/main.c:727)
[   27.589302][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.589306][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.589309][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.589311][    C0]  start_kernel (init/main.c:1185)
[   27.589312][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.589314][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.589316][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   46.020266][  T504] softirqs last disabled at (0): 0x0
| [   46.020268][  T504] Preemption disabled at:
| [   46.020269][  T504] 0x0
| [   46.020277][  T504] Tainted: [W]=WARN
[   46.020278][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.020280][  T504] Call Trace:
[   46.020281][  T504]  <TASK>
[   46.020282][  T504]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.020288][  T504]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.020292][  T504]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.020295][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020300][  T504]  __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))
[   46.020304][  T504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.020306][  T504]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.020310][  T504]  ? 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)
[   46.020312][  T504]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.020313][  T504]  put_chars (drivers/char/virtio_console.c:1176)
[   46.020315][  T504]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.020317][  T504]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   46.020320][  T504]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.020324][  T504]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.020326][  T504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.020328][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020330][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.020332][  T504]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.020334][  T504]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.020336][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020338][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020340][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020341][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.020343][  T504]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   46.020345][  T504]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.020347][  T504]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.020350][  T504]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.020352][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.020353][  T504]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.020355][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020357][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.020358][  T504]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.020360][  T504]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   46.020362][  T504]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.020363][  T504]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.020366][  T504]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.020368][  T504]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.020370][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020372][  T504]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.020374][  T504]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   46.020376][  T504]  _printk (kernel/printk/printk.c:2504)
[   46.020379][  T504]  ? snapshot_read.cold (user.c:?)
[   46.020381][  T504]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   46.020386][  T504] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   46.020399][  T504] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   46.020408][  T504] br_device_event (net/bridge/br.c:111) bridge
[   46.020417][  T504]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   46.020420][  T504]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   46.020422][  T504]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   46.020426][  T504]  notifier_call_chain (kernel/notifier.c:85)
[   46.020429][  T504]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   46.020433][  T504]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.020434][  T504]  ? netif_change_name (net/core/dev.c:1517)
[   46.020437][  T504]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   46.020439][  T504]  ? __kernel_text_address (kernel/extable.c:79)
[   46.020441][  T504]  ? write_profile (profile.c:?)
[   46.020443][  T504]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.020446][  T504]  netif_change_flags (net/core/dev.c:9882)
[   46.020448][  T504]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   46.020451][  T504]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.020453][  T504]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.020454][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020456][  T504]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.020459][  T504]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.020462][  T504]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.020463][  T504]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.020465][  T504]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.020467][  T504]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   46.020468][  T504]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   46.020469][  T504]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.020470][  T504]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.020473][  T504]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.020474][  T504]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.020476][  T504]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.020478][  T504]  ? ___sys_sendmsg (net/socket.c:2767)
[   46.020480][  T504]  ? __sys_sendmsg (net/socket.c:2799)
[   46.020481][  T504]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.020483][  T504]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.020486][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020488][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.020489][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020491][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020493][  T504]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.020496][  T504]  ? __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)
[   46.020497][  T504]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.020499][  T504]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.020500][  T504]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.020502][  T504]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.020505][  T504]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.020506][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020508][  T504]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.020510][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.020511][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020513][  T504]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   46.020516][  T504]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.020518][  T504]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.020519][  T504]  ? __kernel_text_address (kernel/extable.c:79)
[   46.020521][  T504]  ? write_profile (profile.c:?)
[   46.020522][  T504]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.020523][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020525][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020527][  T504]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.020530][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.020532][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020534][  T504]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.020535][  T504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.020536][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.020538][  T504]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.020539][  T504]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.020542][  T504]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.020544][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.020545][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.020547][  T504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.020548][  T504]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   46.020559][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020561][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.020563][  T504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.020565][  T504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.020567][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020569][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020570][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.020572][  T504]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.020576][  T504]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.020578][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020580][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.020582][  T504]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.020584][  T504]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.020586][  T504]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.020587][  T504]  ? move_addr_to_kernel (net/socket.c:258)
[   46.020589][  T504]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.020591][  T504]  ___sys_sendmsg (net/socket.c:2767)
[   46.020593][  T504]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.020598][  T504]  __sys_sendmsg (net/socket.c:2799)
[   46.020600][  T504]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.020603][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.020605][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.020607][  T504]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.020609][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.020610][  T504] RIP: 0033:0x7f766454654e
[   46.020612][  T504] 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
[   46.020614][  T504] RSP: 002b:00007ffd839b1270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.020618][  T504] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f766454654e
[   46.020619][  T504] RDX: 0000000000000000 RSI: 00007ffd839b1320 RDI: 0000000000000005
[   46.020620][  T504] RBP: 00007ffd839b1280 R08: 0000000000000000 R09: 0000000000000000
[   46.020621][  T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102dd


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars