======================================
| [    9.093117][  T187] softirqs last disabled at (31171): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.093119][  T187] Preemption disabled at:
| [    9.093120][  T187] 0x0
| [    9.093130][  T187] Tainted: [W]=WARN
[    9.093130][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.093132][  T187] Call Trace:
[    9.093134][  T187]  <TASK>
[    9.093135][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.093142][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.093147][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.093151][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.093156][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.093158][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.093164][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.093166][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.093169][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.093172][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.093173][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.093178][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.093183][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.093189][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.093191][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.093194][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.093198][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.093202][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.093203][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.093206][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.093209][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.093213][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.093217][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.093218][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.093223][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.093226][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.093228][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.093230][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.093234][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.093236][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.093239][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.093243][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.093246][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.093250][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.093253][  T187]  ? snapshot_read.cold (user.c:?)
[    9.093256][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.093259][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.093262][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.093265][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.093269][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.093271][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.093274][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.093278][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.093280][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.093282][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.093284][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.093288][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.093291][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.093293][  T187] RIP: 0033:0x7fa4ade1e1b8
[    9.093296][  T187] Code: Unable to access opcode bytes at 0x7fa4ade1e18e.

Code starting with the faulting instruction
===========================================
[    9.093297][  T187] RSP: 002b:00007fff42d63998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.093299][  T187] RAX: ffffffffffffffda RBX: 00007fa4adf4ef88 RCX: 00007fa4ade1e1b8
[    9.093300][  T187] RDX: 00007fa4adb68fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.093301][  T187] RBP: 00007fff42d639f0 R08: 0000000000000000 R09: 0000000000008010
[    9.093302][  T187] R10: 00007fff42d637b0 R11: 0000000000000246 R12: 0000000000000001
[    9.093303][  T187] R13: 0000000000000000 R14: 00007fa4adf4d680 R15: 00007fa4adf4efa0
| [   10.991965][  T261] softirqs last disabled at (14764): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.991967][  T261] Preemption disabled at:
| [   10.991968][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.991977][  T261] Tainted: [W]=WARN
[   10.991978][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.991980][  T261] Call Trace:
[   10.991981][  T261]  <TASK>
[   10.991983][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.991989][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.991991][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.991996][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.992000][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.992005][  T261]  __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))
[   10.992007][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.992013][  T261]  ? 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)
[   10.992016][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.992019][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   10.992021][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.992026][  T261]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.992029][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.992032][  T261]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.992034][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.992038][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.992041][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.992043][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.992047][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.992050][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.992054][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.992058][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.992060][  T261]  ? 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))
[   10.992063][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.992065][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.992069][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.992073][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.992074][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.992079][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.992082][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.992084][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.992086][  T261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.992090][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.992091][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.992095][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.992098][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.992101][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.992102][  T261]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.992107][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.992110][  T261]  _printk (kernel/printk/printk.c:2504)
[   10.992114][  T261]  ? snapshot_read.cold (user.c:?)
[   10.992117][  T261]  ? br_multicast_flood (??:?) bridge
[   10.992130][  T261]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.992131][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.992132][  T261]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.992136][  T261] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.992146][  T261] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.992154][  T261] new_nbp (net/bridge/br_if.c:449) bridge
[   10.992163][  T261] br_add_if (net/bridge/br_if.c:592) bridge
[   10.992170][  T261]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.992174][  T261]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.992177][  T261]  ? __kernel_text_address (kernel/extable.c:79)
[   10.992180][  T261]  do_set_master (net/core/rtnetlink.c:3071)
[   10.992185][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.992188][  T261]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.992191][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.992193][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.992195][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.992199][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.992201][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.992203][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.992206][  T261]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.992209][  T261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.992210][  T261]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.992213][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.992215][  T261]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.992218][  T261]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.992222][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.992224][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.992227][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.992229][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.992230][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.992232][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.992234][  T261]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.992238][  T261]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.992240][  T261]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.992242][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.992245][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.992247][  T261]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.992252][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.992257][  T261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.992262][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.992264][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.992268][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.992270][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.992272][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.992274][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.992277][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.992279][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.992282][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.992283][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.992288][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.992289][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.992293][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.992295][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.992297][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.992303][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.992305][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.992309][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.992312][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.992315][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.992319][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.992323][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.992326][  T261]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.992332][  T261]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.992334][  T261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.992336][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.992338][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   10.992345][  T261]  ___sys_sendmsg (net/socket.c:2767)
[   10.992348][  T261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.992365][  T261]  __sys_sendmsg (net/socket.c:2799)
[   10.992368][  T261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.992374][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.992377][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.992385][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.992389][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.992391][  T261] RIP: 0033:0x7f5d8f26454e
[   10.992394][  T261] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.992396][  T261] RSP: 002b:00007ffdb0d32cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.992399][  T261] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d8f26454e
[   10.992400][  T261] RDX: 0000000000000000 RSI: 00007ffdb0d32d80 RDI: 0000000000000005
[   10.992401][  T261] RBP: 00007ffdb0d32ce0 R08: 0000000000000000 R09: 0000000000000000
[   10.992402][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91553e
[   10.992403][  T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb0d33440
| [   12.296148][  T310] softirqs last disabled at (19740): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.296150][  T310] Preemption disabled at:
| [   12.296151][  T310] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.296160][  T310] Tainted: [W]=WARN
[   12.296161][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.296163][  T310] Call Trace:
[   12.296165][  T310]  <TASK>
[   12.296166][  T310]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.296172][  T310]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.296174][  T310]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.296179][  T310]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.296183][  T310]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.296189][  T310]  __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))
[   12.296191][  T310]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.296196][  T310]  ? 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)
[   12.296199][  T310]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.296202][  T310]  put_chars (drivers/char/virtio_console.c:1176)
[   12.296204][  T310]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   12.296206][  T310]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.296209][  T310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.296214][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.296216][  T310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.296220][  T310]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.296223][  T310]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.296225][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.296226][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.296230][  T310]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.296232][  T310]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.296235][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.296238][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.296242][  T310]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.296246][  T310]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.296248][  T310]  ? 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))
[   12.296251][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.296253][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.296257][  T310]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.296261][  T310]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.296263][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.296268][  T310]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.296271][  T310]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.296273][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.296275][  T310]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.296279][  T310]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.296281][  T310]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.296284][  T310]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.296288][  T310]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.296291][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.296294][  T310]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.296297][  T310]  _printk (kernel/printk/printk.c:2504)
[   12.296301][  T310]  ? snapshot_read.cold (user.c:?)
[   12.296305][  T310]  ? br_multicast_flood (??:?) bridge
[   12.296318][  T310]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.296319][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.296320][  T310]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.296325][  T310] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.296336][  T310] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.296344][  T310] new_nbp (net/bridge/br_if.c:449) bridge
[   12.296353][  T310] br_add_if (net/bridge/br_if.c:592) bridge
[   12.296360][  T310]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.296364][  T310]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.296367][  T310]  ? __kernel_text_address (kernel/extable.c:79)
[   12.296371][  T310]  do_set_master (net/core/rtnetlink.c:3071)
[   12.296376][  T310]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.296379][  T310]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.296382][  T310]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.296384][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.296392][  T310]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.296396][  T310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.296399][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.296400][  T310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.296403][  T310]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.296406][  T310]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.296407][  T310]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.296410][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.296412][  T310]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.296415][  T310]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.296419][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.296421][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.296424][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.296426][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.296428][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.296429][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.296432][  T310]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.296435][  T310]  ? __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)
[   12.296439][  T310]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.296441][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.296444][  T310]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.296446][  T310]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.296451][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.296456][  T310]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.296461][  T310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.296463][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.296467][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.296469][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.296471][  T310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.296473][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.296477][  T310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.296479][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.296482][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.296483][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.296487][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.296489][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.296493][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.296494][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.296497][  T310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.296503][  T310]  ? 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))
[   12.296505][  T310]  ? 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))
[   12.296509][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.296513][  T310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.296515][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.296519][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.296523][  T310]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.296527][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.296532][  T310]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.296534][  T310]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.296537][  T310]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.296538][  T310]  ? move_addr_to_kernel (net/socket.c:258)
[   12.296545][  T310]  ___sys_sendmsg (net/socket.c:2767)
[   12.296548][  T310]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.296563][  T310]  __sys_sendmsg (net/socket.c:2799)
[   12.296566][  T310]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.296573][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.296576][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.296578][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.296582][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.296584][  T310] RIP: 0033:0x7ff0c81b954e
[   12.296588][  T310] 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
[   12.296590][  T310] RSP: 002b:00007ffd5a58d110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.296592][  T310] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff0c81b954e
[   12.296594][  T310] RDX: 0000000000000000 RSI: 00007ffd5a58d1c0 RDI: 0000000000000005
[   12.296595][  T310] RBP: 00007ffd5a58d120 R08: 0000000000000000 R09: 0000000000000000
[   12.296596][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91553f
[   12.296596][  T310] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5a58d880
| [   13.412906][  T354] softirqs last disabled at (11956): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.412909][  T354] Preemption disabled at:
| [   13.412910][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.412918][  T354] Tainted: [W]=WARN
[   13.412919][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.412921][  T354] Call Trace:
[   13.412923][  T354]  <TASK>
[   13.412924][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.412930][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.412932][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.412936][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.412941][  T354]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.412946][  T354]  __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))
[   13.412949][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.412955][  T354]  ? 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)
[   13.412957][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.412960][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   13.412962][  T354]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.412964][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.412967][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.412971][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.412974][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.412977][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.412980][  T354]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.412982][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.412983][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.412987][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.412990][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.412993][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.412995][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.412999][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.413002][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.413004][  T354]  ? 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))
[   13.413007][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.413010][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.413013][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.413017][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.413019][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.413024][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.413027][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.413029][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.413031][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.413037][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.413038][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.413042][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.413045][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.413048][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.413050][  T354]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.413054][  T354]  _printk (kernel/printk/printk.c:2504)
[   13.413057][  T354]  ? snapshot_read.cold (user.c:?)
[   13.413061][  T354]  ? br_multicast_flood (??:?) bridge
[   13.413073][  T354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.413075][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.413076][  T354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.413080][  T354] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.413090][  T354] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.413098][  T354] new_nbp (net/bridge/br_if.c:449) bridge
[   13.413107][  T354] br_add_if (net/bridge/br_if.c:592) bridge
[   13.413114][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.413118][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.413121][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   13.413125][  T354]  do_set_master (net/core/rtnetlink.c:3071)
[   13.413129][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.413132][  T354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.413136][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.413137][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.413139][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.413142][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.413145][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.413146][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.413149][  T354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.413152][  T354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.413153][  T354]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.413156][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.413158][  T354]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.413161][  T354]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.413165][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.413167][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.413170][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.413172][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.413174][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.413175][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.413177][  T354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.413181][  T354]  ? __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)
[   13.413184][  T354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.413186][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.413189][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.413191][  T354]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.413196][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.413201][  T354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.413206][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.413208][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.413212][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.413214][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.413216][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.413217][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.413221][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.413223][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.413226][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.413227][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.413232][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.413233][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.413237][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.413238][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.413241][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.413247][  T354]  ? 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))
[   13.413248][  T354]  ? 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))
[   13.413253][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.413256][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.413259][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.413263][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.413266][  T354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.413270][  T354]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.413275][  T354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.413277][  T354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.413280][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.413281][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   13.413288][  T354]  ___sys_sendmsg (net/socket.c:2767)
[   13.413291][  T354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.413306][  T354]  __sys_sendmsg (net/socket.c:2799)
[   13.413309][  T354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.413315][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.413318][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.413320][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.413323][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.413325][  T354] RIP: 0033:0x7f4f56b6d54e
[   13.413329][  T354] 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
[   13.413330][  T354] RSP: 002b:00007ffc1b532780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.413333][  T354] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4f56b6d54e
[   13.413334][  T354] RDX: 0000000000000000 RSI: 00007ffc1b532830 RDI: 0000000000000005
[   13.413335][  T354] RBP: 00007ffc1b532790 R08: 0000000000000000 R09: 0000000000000000
[   13.413336][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915540
[   13.413337][  T354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1b532ef0
| [   20.689834][  T436] softirqs last disabled at (22151): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.689837][  T436] Preemption disabled at:
| [   20.689837][  T436] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.689847][  T436] Tainted: [W]=WARN
[   20.689848][  T436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.689849][  T436] Call Trace:
[   20.689851][  T436]  <TASK>
[   20.689853][  T436]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.689858][  T436]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.689861][  T436]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.689866][  T436]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.689870][  T436]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.689875][  T436]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.689877][  T436]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.689883][  T436]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.689886][  T436]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.689889][  T436]  put_chars (drivers/char/virtio_console.c:1176)
[   20.689891][  T436]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   20.689893][  T436]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.689896][  T436]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.689899][  T436]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.689904][  T436]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.689906][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.689908][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.689913][  T436]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.689914][  T436]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.689917][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.689920][  T436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.689924][  T436]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.689928][  T436]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.689930][  T436]  ? 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))
[   20.689933][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.689935][  T436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.689939][  T436]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.689943][  T436]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.689945][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.689951][  T436]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.689953][  T436]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.689955][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.689957][  T436]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.689961][  T436]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.689963][  T436]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.689966][  T436]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.689970][  T436]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.689976][  T436]  ? 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
[   20.689979][  T436]  _printk (kernel/printk/printk.c:2504)
[   20.689982][  T436]  ? snapshot_read.cold (user.c:?)
[   20.689988][  T436]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   20.689991][  T436] gact_init_module (net/sched/act_gact.c:180) act_gact
[   20.689994][  T436]  do_one_initcall (init/main.c:1357)
[   20.689997][  T436]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.690001][  T436]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.690004][  T436]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.690009][  T436]  do_init_module (kernel/module/main.c:3117)
[   20.690013][  T436]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.690017][  T436]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.690020][  T436]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.690024][  T436]  load_module (kernel/module/main.c:3593)
[   20.690031][  T436]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.690038][  T436]  ? __ia32_sys_fsconfig (??:?)
[   20.690041][  T436]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   20.690045][  T436]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.690048][  T436]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.690052][  T436]  init_module_from_file (kernel/module/main.c:3790)
[   20.690055][  T436]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   20.690063][  T436]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.690066][  T436]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.690069][  T436]  idempotent_init_module (kernel/module/main.c:3802)
[   20.690073][  T436]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.690079][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.690081][  T436]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.690088][  T436]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.690090][  T436]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.690093][  T436]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.690095][  T436]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.690098][  T436]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.690100][  T436] RIP: 0033:0x7f6054e7237d
[   20.690104][  T436] 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
[   20.690105][  T436] RSP: 002b:00007ffcde5e7358 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.690108][  T436] RAX: ffffffffffffffda RBX: 000055e6f73f7810 RCX: 00007f6054e7237d
[   20.690110][  T436] RDX: 0000000000000000 RSI: 000055e6bdc34ffd RDI: 0000000000000000
[   20.690110][  T436] RBP: 00007ffcde5e73f0 R08: 0000000000000000 R09: 0000000000000000
[   20.690111][  T436] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6bdc34ffd
[   20.690112][  T436] R13: 000055e6f73f7960 R14: 0000000000040000 R15: 0000000000000000
| [   26.499114][    C0] softirqs last disabled at (916649): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.499116][    C0] Preemption disabled at:
| [   26.499117][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   26.499125][    C0] Tainted: [W]=WARN
[   26.499126][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.499128][    C0] Call Trace:
[   26.499129][    C0]  <IRQ>
[   26.499131][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.499136][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   26.499138][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.499142][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.499145][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.499148][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499152][    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))
[   26.499155][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.499158][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.499161][    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)
[   26.499163][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.499165][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   26.499167][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.499169][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.499172][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.499176][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.499177][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499179][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.499181][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.499183][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.499185][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499187][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499189][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.499191][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.499192][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.499195][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.499197][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.499199][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.499201][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.499203][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499204][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.499206][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.499208][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.499210][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.499212][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.499214][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.499216][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499218][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.499219][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   26.499224][    C0]  _printk (kernel/printk/printk.c:2504)
[   26.499227][    C0]  ? snapshot_read.cold (user.c:?)
[   26.499229][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.499233][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.499236][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.499237][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.499240][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.499243][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.499245][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.499246][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.499249][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.499250][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.499263][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499265][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.499267][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.499274][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.499276][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.499283][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.499290][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.499296][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.499300][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.499302][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.499305][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.499307][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.499309][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499311][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.499313][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.499320][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.499321][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.499324][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.499327][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.499329][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.499330][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.499333][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499335][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.499337][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.499338][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.499340][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.499342][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.499343][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.499346][    C0]  </IRQ>
[   26.499347][    C0]  <TASK>
[   26.499348][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.499349][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.499351][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.499354][    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
[   26.499356][    C0] RSP: 0018:ffffffff9b207cf8 EFLAGS: 00000296
[   26.499359][    C0] RAX: 00000000000dfca7 RBX: ffffffff9b21c600 RCX: ffffffff982f0307
[   26.499361][    C0] RDX: ffffffff9b21c600 RSI: ffffffff9b038b01 RDI: ffffffff9aa8d8e0
[   26.499362][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.499363][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3640fa2
[   26.499363][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.499365][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.499368][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.499370][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.499372][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.499373][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.499375][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.499376][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.499379][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.499381][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.499383][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.499384][    C0]  rest_init (init/main.c:727)
[   26.499386][    C0]  ? __cpuidle_text_end (??:?)
[   26.499389][    C0]  ? rest_init (init/main.c:727)
[   26.499391][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.499395][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.499397][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.499400][    C0]  start_kernel (init/main.c:1185)
[   26.499402][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.499404][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.499406][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.561508][    C0]
| [   26.561583][    C0]
| [   26.561583][    C0] stack backtrace:
| [   26.561825][    C0] Tainted: [W]=WARN
[   26.561826][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.561827][    C0] Call Trace:
[   26.561828][    C0]  <IRQ>
[   26.561829][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.561832][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.561835][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.561838][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.561840][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.561841][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.561843][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.561845][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.561852][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.561855][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.561856][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.561863][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.561865][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.561871][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.561877][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.561883][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.561886][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.561887][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.561889][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.561891][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.561893][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.561895][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.561897][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.561904][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.561906][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.561908][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.561911][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.561913][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.561915][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.561916][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.561918][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.561920][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.561922][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.561924][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.561925][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.561927][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.561928][    C0]  </IRQ>
[   26.561929][    C0]  <TASK>
[   26.561929][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.561931][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.561933][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.561935][    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
[   26.561936][    C0] RSP: 0018:ffffffff9b207cf8 EFLAGS: 00000296
[   26.561938][    C0] RAX: 00000000000dfca7 RBX: ffffffff9b21c600 RCX: ffffffff982f0307
[   26.561939][    C0] RDX: ffffffff9b21c600 RSI: ffffffff9b038b01 RDI: ffffffff9aa8d8e0
[   26.561940][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.561940][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3640fa2
[   26.561941][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.561943][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.561945][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.561947][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.561948][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.561950][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.561952][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.561953][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.561955][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.561957][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.561959][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.561960][    C0]  rest_init (init/main.c:727)
[   26.561962][    C0]  ? __cpuidle_text_end (??:?)
[   26.561965][    C0]  ? rest_init (init/main.c:727)
[   26.561967][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.561969][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.561972][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.561974][    C0]  start_kernel (init/main.c:1185)
[   26.561976][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.561977][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.561979][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   63.861210][   T70] softirqs last disabled at (24550): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   63.861212][   T70] Preemption disabled at:
| [   63.861213][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.861224][   T70] Tainted: [W]=WARN
[   63.861225][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.861227][   T70] Workqueue: netns cleanup_net
[   63.861233][   T70] Call Trace:
[   63.861235][   T70]  <TASK>
[   63.861236][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.861242][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.861244][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.861248][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.861251][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861255][   T70]  __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))
[   63.861259][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.861262][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.861265][   T70]  ? 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)
[   63.861267][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.861269][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   63.861271][   T70]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   63.861272][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.861274][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   63.861277][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.861280][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.861281][   T70]  ? 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)
[   63.861283][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.861285][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861286][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861288][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.861290][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.861293][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.861295][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861297][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861298][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861300][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.861302][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   63.861304][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.861306][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.861309][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.861311][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.861312][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.861314][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861316][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.861317][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   63.861319][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   63.861321][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.861322][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.861324][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.861327][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.861329][   T70]  ? process_one_work (kernel/workqueue.c:3387)
[   63.861331][   T70]  ? kthread (kernel/kthread.c:436)
[   63.861333][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   63.861336][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   63.861338][   T70]  _printk (kernel/printk/printk.c:2504)
[   63.861341][   T70]  ? snapshot_read.cold (user.c:?)
[   63.861344][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.861347][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.861348][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.861350][   T70]  ? netdev_notice (net/core/dev.c:13194)
[   63.861352][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861355][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   63.861357][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   63.861359][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   63.861360][   T70]  ? 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)
[   63.861363][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   63.861366][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[   63.861369][   T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   63.861382][   T70] br_dev_delete (net/bridge/br_if.c:387) bridge
[   63.861390][   T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   63.861397][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   63.861399][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   63.861401][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   63.861405][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   63.861406][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   63.861408][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.861410][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.861412][   T70]  process_one_work (kernel/workqueue.c:3387)
[   63.861415][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   63.861418][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.861420][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   63.861422][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   63.861424][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   63.861426][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   63.861428][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   63.861429][   T70]  kthread (kernel/kthread.c:436)
[   63.861431][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   63.861432][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   63.861434][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   63.861436][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   63.861438][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   63.861440][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)


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
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars