======================================
| [    9.819251][  T187] softirqs last disabled at (29833): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.819253][  T187] Preemption disabled at:
| [    9.819254][  T187] 0x0
| [    9.819264][  T187] Tainted: [W]=WARN
[    9.819265][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.819267][  T187] Call Trace:
[    9.819268][  T187]  <TASK>
[    9.819270][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.819276][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.819280][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.819284][  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)
[    9.819289][  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))
[    9.819291][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.819297][  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)
[    9.819299][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.819302][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.819305][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.819306][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.819311][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.819315][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.819321][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.819323][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.819326][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.819329][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.819333][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.819335][  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))
[    9.819338][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.819340][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.819344][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.819348][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.819350][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.819355][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.819357][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.819359][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.819361][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.819365][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.819366][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.819370][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.819373][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.819376][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.819380][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.819383][  T187]  ? snapshot_read.cold (user.c:?)
[    9.819386][  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)
[    9.819389][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.819392][  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)
[    9.819395][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.819398][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.819400][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.819403][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.819407][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.819409][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.819411][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.819413][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.819416][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.819419][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.819422][  T187] RIP: 0033:0x7fb5c16531b8
[    9.819424][  T187] Code: Unable to access opcode bytes at 0x7fb5c165318e.

Code starting with the faulting instruction
===========================================
[    9.819425][  T187] RSP: 002b:00007ffccd2ba8a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.819427][  T187] RAX: ffffffffffffffda RBX: 00007fb5c1783f88 RCX: 00007fb5c16531b8
[    9.819428][  T187] RDX: 00007fb5c139dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.819429][  T187] RBP: 00007ffccd2ba900 R08: 0000000000000000 R09: 0000000000008010
[    9.819430][  T187] R10: 00007ffccd2ba6c0 R11: 0000000000000246 R12: 0000000000000001
[    9.819431][  T187] R13: 0000000000000000 R14: 00007fb5c1782680 R15: 00007fb5c1783fa0
| [   12.105913][  T269] softirqs last disabled at (20844): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.105916][  T269] Preemption disabled at:
| [   12.105917][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.105930][  T269] Tainted: [W]=WARN
[   12.105931][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.105933][  T269] Call Trace:
[   12.105935][  T269]  <TASK>
[   12.105938][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.105945][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.105948][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.105954][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.105960][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.105968][  T269]  __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))
[   12.105972][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.105980][  T269]  ? 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)
[   12.105984][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.105989][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   12.105993][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.106001][  T269]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.106007][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.106011][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.106014][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.106017][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.106024][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.106030][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.106035][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.106040][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.106047][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.106054][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.106056][  T269]  ? 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))
[   12.106061][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.106065][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.106072][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.106079][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.106082][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.106092][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.106096][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.106099][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.106102][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.106109][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.106111][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.106117][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.106123][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.106126][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.106129][  T269]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.106135][  T269]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.106141][  T269]  _printk (kernel/printk/printk.c:2504)
[   12.106146][  T269]  ? snapshot_read.cold (user.c:?)
[   12.106152][  T269]  ? br_multicast_flood (??:?) bridge
[   12.106170][  T269]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.106173][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.106174][  T269]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.106182][  T269] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.106200][  T269] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.106214][  T269] new_nbp (net/bridge/br_if.c:449) bridge
[   12.106230][  T269] br_add_if (net/bridge/br_if.c:592) bridge
[   12.106243][  T269]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.106248][  T269]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.106253][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   12.106260][  T269]  do_set_master (net/core/rtnetlink.c:3071)
[   12.106267][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.106273][  T269]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.106277][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.106279][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.106283][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.106288][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.106292][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.106295][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.106299][  T269]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.106303][  T269]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.106305][  T269]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.106310][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.106313][  T269]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.106317][  T269]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.106324][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.106327][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.106332][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.106336][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.106338][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.106341][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.106345][  T269]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.106350][  T269]  ? __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)
[   12.106353][  T269]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.106357][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.106363][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.106366][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.106375][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.106384][  T269]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.106394][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.106397][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.106405][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.106408][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.106412][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.106415][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.106421][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.106425][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.106430][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.106433][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.106440][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.106443][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.106449][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.106452][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.106457][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.106469][  T269]  ? 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))
[   12.106471][  T269]  ? 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))
[   12.106479][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.106485][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.106489][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.106496][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.106503][  T269]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.106510][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.106518][  T269]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.106522][  T269]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.106525][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.106528][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   12.106541][  T269]  ___sys_sendmsg (net/socket.c:2767)
[   12.106546][  T269]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.106576][  T269]  __sys_sendmsg (net/socket.c:2799)
[   12.106581][  T269]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.106593][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.106599][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.106602][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.106607][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.106610][  T269] RIP: 0033:0x7fd2ccff054e
[   12.106615][  T269] 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
[   12.106618][  T269] RSP: 002b:00007ffdc32b0010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.106622][  T269] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd2ccff054e
[   12.106624][  T269] RDX: 0000000000000000 RSI: 00007ffdc32b00c0 RDI: 0000000000000005
[   12.106626][  T269] RBP: 00007ffdc32b0020 R08: 0000000000000000 R09: 0000000000000000
[   12.106627][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b3cd
[   12.106629][  T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc32b0780
| [   13.724359][  T318] softirqs last disabled at (13362): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.724361][  T318] Preemption disabled at:
| [   13.724362][  T318] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.724371][  T318] Tainted: [W]=WARN
[   13.724372][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.724374][  T318] Call Trace:
[   13.724376][  T318]  <TASK>
[   13.724378][  T318]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.724384][  T318]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.724386][  T318]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.724390][  T318]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.724394][  T318]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.724400][  T318]  __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))
[   13.724402][  T318]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.724407][  T318]  ? 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)
[   13.724410][  T318]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.724413][  T318]  put_chars (drivers/char/virtio_console.c:1176)
[   13.724415][  T318]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.724417][  T318]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.724420][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.724424][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.724427][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.724430][  T318]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.724434][  T318]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.724436][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.724437][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.724441][  T318]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.724443][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.724446][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.724449][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.724453][  T318]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.724457][  T318]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.724459][  T318]  ? 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))
[   13.724462][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.724464][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.724468][  T318]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.724472][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.724474][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.724480][  T318]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.724482][  T318]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.724484][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.724487][  T318]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.724490][  T318]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.724492][  T318]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.724496][  T318]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.724500][  T318]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.724502][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.724505][  T318]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.724509][  T318]  _printk (kernel/printk/printk.c:2504)
[   13.724512][  T318]  ? snapshot_read.cold (user.c:?)
[   13.724516][  T318]  ? br_multicast_flood (??:?) bridge
[   13.724530][  T318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.724532][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.724533][  T318]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.724537][  T318] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.724548][  T318] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.724557][  T318] new_nbp (net/bridge/br_if.c:449) bridge
[   13.724566][  T318] br_add_if (net/bridge/br_if.c:592) bridge
[   13.724573][  T318]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.724577][  T318]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.724580][  T318]  ? __kernel_text_address (kernel/extable.c:79)
[   13.724584][  T318]  do_set_master (net/core/rtnetlink.c:3071)
[   13.724589][  T318]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.724592][  T318]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.724595][  T318]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.724596][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.724598][  T318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.724601][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.724604][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.724606][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.724608][  T318]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.724611][  T318]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.724613][  T318]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.724615][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.724617][  T318]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.724620][  T318]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.724625][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.724627][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.724629][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.724632][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.724633][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.724635][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.724637][  T318]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.724641][  T318]  ? __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)
[   13.724644][  T318]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.724647][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.724650][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.724652][  T318]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.724657][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.724662][  T318]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.724667][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.724669][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.724673][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.724675][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.724677][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.724679][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.724683][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.724685][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.724688][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.724689][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.724693][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.724695][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.724699][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.724701][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.724704][  T318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.724710][  T318]  ? 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))
[   13.724711][  T318]  ? 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))
[   13.724716][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.724719][  T318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.724722][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.724726][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.724730][  T318]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.724734][  T318]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.724739][  T318]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.724741][  T318]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.724744][  T318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.724745][  T318]  ? move_addr_to_kernel (net/socket.c:258)
[   13.724753][  T318]  ___sys_sendmsg (net/socket.c:2767)
[   13.724756][  T318]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.724771][  T318]  __sys_sendmsg (net/socket.c:2799)
[   13.724775][  T318]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.724781][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.724785][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.724787][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.724790][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.724792][  T318] RIP: 0033:0x7f6acd4d554e
[   13.724796][  T318] 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
[   13.724798][  T318] RSP: 002b:00007ffe1a3803d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.724800][  T318] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6acd4d554e
[   13.724802][  T318] RDX: 0000000000000000 RSI: 00007ffe1a380480 RDI: 0000000000000005
[   13.724803][  T318] RBP: 00007ffe1a3803e0 R08: 0000000000000000 R09: 0000000000000000
[   13.724804][  T318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b3cf
[   13.724805][  T318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1a380b40
| [   14.739794][  T356] softirqs last disabled at (19998): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.739797][  T356] Preemption disabled at:
| [   14.739797][  T356] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.739807][  T356] Tainted: [W]=WARN
[   14.739808][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.739809][  T356] Call Trace:
[   14.739811][  T356]  <TASK>
[   14.739812][  T356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.739818][  T356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.739820][  T356]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.739825][  T356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.739829][  T356]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.739834][  T356]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.739836][  T356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.739841][  T356]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.739844][  T356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.739847][  T356]  put_chars (drivers/char/virtio_console.c:1176)
[   14.739849][  T356]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.739851][  T356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.739854][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.739858][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.739860][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.739864][  T356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.739867][  T356]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.739869][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739870][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739874][  T356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.739876][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.739879][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739881][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.739885][  T356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.739889][  T356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.739891][  T356]  ? 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))
[   14.739894][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739896][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.739900][  T356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.739910][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.739912][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739916][  T356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.739919][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.739921][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739923][  T356]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.739927][  T356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.739928][  T356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.739931][  T356]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.739935][  T356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.739938][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.739940][  T356]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.739944][  T356]  _printk (kernel/printk/printk.c:2504)
[   14.739947][  T356]  ? snapshot_read.cold (user.c:?)
[   14.739951][  T356]  ? br_multicast_flood (??:?) bridge
[   14.739964][  T356]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.739965][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.739966][  T356]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.739970][  T356] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.739980][  T356] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.739989][  T356] new_nbp (net/bridge/br_if.c:449) bridge
[   14.739997][  T356] br_add_if (net/bridge/br_if.c:592) bridge
[   14.740004][  T356]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.740008][  T356]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.740011][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   14.740014][  T356]  do_set_master (net/core/rtnetlink.c:3071)
[   14.740019][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.740022][  T356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.740025][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.740026][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.740030][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.740033][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.740036][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.740037][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.740040][  T356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.740043][  T356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.740044][  T356]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.740047][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.740048][  T356]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.740051][  T356]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.740056][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.740058][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.740060][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.740062][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.740064][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.740066][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.740068][  T356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.740071][  T356]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.740074][  T356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.740076][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.740080][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.740081][  T356]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.740086][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.740091][  T356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.740096][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.740098][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.740102][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.740104][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.740106][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.740107][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.740111][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.740113][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.740116][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.740117][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.740121][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.740123][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.740126][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.740128][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.740131][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.740137][  T356]  ? 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))
[   14.740138][  T356]  ? 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))
[   14.740142][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.740146][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.740148][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.740152][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.740156][  T356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.740159][  T356]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.740164][  T356]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.740167][  T356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.740169][  T356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.740170][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   14.740177][  T356]  ___sys_sendmsg (net/socket.c:2767)
[   14.740180][  T356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.740195][  T356]  __sys_sendmsg (net/socket.c:2799)
[   14.740198][  T356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.740204][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.740207][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.740210][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.740213][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.740215][  T356] RIP: 0033:0x7f3a3dc0754e
[   14.740218][  T356] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.740220][  T356] RSP: 002b:00007ffe1d558f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.740223][  T356] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a3dc0754e
[   14.740224][  T356] RDX: 0000000000000000 RSI: 00007ffe1d558fb0 RDI: 0000000000000005
[   14.740225][  T356] RBP: 00007ffe1d558f10 R08: 0000000000000000 R09: 0000000000000000
[   14.740226][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b3d0
[   14.740227][  T356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1d559670
| [   22.245223][  T444] softirqs last disabled at (20397): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.245226][  T444] Preemption disabled at:
| [   22.245226][  T444] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.245236][  T444] Tainted: [W]=WARN
[   22.245236][  T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.245238][  T444] Call Trace:
[   22.245240][  T444]  <TASK>
[   22.245242][  T444]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.245247][  T444]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.245249][  T444]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.245254][  T444]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.245258][  T444]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.245263][  T444]  __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))
[   22.245265][  T444]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.245271][  T444]  ? 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)
[   22.245274][  T444]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.245277][  T444]  put_chars (drivers/char/virtio_console.c:1176)
[   22.245279][  T444]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   22.245281][  T444]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.245284][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.245288][  T444]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.245292][  T444]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.245295][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.245296][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.245301][  T444]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.245302][  T444]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.245305][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.245308][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.245312][  T444]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.245316][  T444]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.245318][  T444]  ? 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))
[   22.245321][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.245323][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.245327][  T444]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.245331][  T444]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.245333][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.245338][  T444]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.245341][  T444]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.245343][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.245345][  T444]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.245349][  T444]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.245350][  T444]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.245354][  T444]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.245358][  T444]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.245363][  T444]  ? 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
[   22.245366][  T444]  _printk (kernel/printk/printk.c:2504)
[   22.245370][  T444]  ? snapshot_read.cold (user.c:?)
[   22.245377][  T444]  ? 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)
[   22.245380][  T444] gact_init_module (net/sched/act_gact.c:180) act_gact
[   22.245382][  T444]  do_one_initcall (init/main.c:1357)
[   22.245385][  T444]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   22.245390][  T444]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   22.245393][  T444]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   22.245397][  T444]  do_init_module (kernel/module/main.c:3117)
[   22.245401][  T444]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.245405][  T444]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   22.245409][  T444]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   22.245413][  T444]  load_module (kernel/module/main.c:3593)
[   22.245420][  T444]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   22.245424][  T444]  ? __ia32_sys_fsconfig (??:?)
[   22.245427][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.245429][  T444]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.245433][  T444]  init_module_from_file (kernel/module/main.c:3790)
[   22.245437][  T444]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   22.245445][  T444]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.245448][  T444]  ? 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)
[   22.245451][  T444]  idempotent_init_module (kernel/module/main.c:3802)
[   22.245455][  T444]  ? init_module_from_file (kernel/module/main.c:3791)
[   22.245461][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.245463][  T444]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.245470][  T444]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   22.245472][  T444]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.245475][  T444]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.245477][  T444]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.245480][  T444]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.245482][  T444] RIP: 0033:0x7fdb95ffa37d
[   22.245486][  T444] 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
[   22.245487][  T444] RSP: 002b:00007fffe717bd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   22.245490][  T444] RAX: ffffffffffffffda RBX: 0000565205b14810 RCX: 00007fdb95ffa37d
[   22.245492][  T444] RDX: 0000000000000000 RSI: 00005651fcb8fffd RDI: 0000000000000000
[   22.245493][  T444] RBP: 00007fffe717bdb0 R08: 0000000000000000 R09: 0000000000000000
[   22.245494][  T444] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651fcb8fffd
[   22.245494][  T444] R13: 0000565205b14960 R14: 0000000000040000 R15: 0000000000000000
| [   27.491120][    C2] softirqs last disabled at (900395): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.491122][    C2] Preemption disabled at:
| [   27.491122][    C2] 0x0
| [   27.491133][    C2] Tainted: [W]=WARN
[   27.491133][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.491135][    C2] Call Trace:
[   27.491137][    C2]  <IRQ>
[   27.491138][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.491144][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.491147][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.491150][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.491153][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491156][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.491159][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.491162][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.491165][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.491167][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.491169][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   27.491171][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.491173][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.491176][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.491179][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.491180][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491182][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.491184][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.491187][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.491189][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491190][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491192][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.491194][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.491195][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.491198][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.491200][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.491202][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.491203][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.491205][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491206][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.491208][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.491210][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.491211][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.491213][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.491215][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.491217][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.491229][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.491231][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.491237][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.491243][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.491246][    C2]  _printk (kernel/printk/printk.c:2504)
[   27.491249][    C2]  ? snapshot_read.cold (user.c:?)
[   27.491251][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.491255][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.491257][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.491259][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.491261][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.491264][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.491266][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.491268][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.491270][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.491271][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.491278][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491280][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.491281][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.491288][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.491290][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.491296][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.491303][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.491309][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.491311][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.491313][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.491316][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.491318][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.491320][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491322][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.491324][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.491331][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.491332][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.491335][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.491337][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.491339][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.491341][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.491343][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491345][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.491347][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.491348][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.491350][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.491351][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.491353][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.491356][    C2]  </IRQ>
[   27.491356][    C2]  <TASK>
[   27.491357][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.491358][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.491360][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.491363][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.491365][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.491368][    C2] RAX: 00000000000dbd29 RBX: ff11000001bec6c0 RCX: ffffffff8e4f0307
[   27.491369][    C2] RDX: ff11000001bec6c0 RSI: ffffffff91238af6 RDI: ffffffff90c8d8e0
[   27.491370][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.491371][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.491371][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.491373][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.491376][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.491378][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.491379][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.491381][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.491383][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.491385][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.491386][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.491388][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.491390][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.491391][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.491393][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.491395][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.546571][    C2]
| [   27.546636][    C2]
| [   27.546636][    C2] stack backtrace:
| [   27.546850][    C2] Tainted: [W]=WARN
[   27.546851][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.546852][    C2] Call Trace:
[   27.546854][    C2]  <IRQ>
[   27.546855][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.546859][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.546862][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.546865][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.546867][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.546868][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.546870][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.546872][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.546879][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.546882][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.546883][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.546890][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.546891][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.546898][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.546905][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.546913][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.546915][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.546916][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.546920][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.546922][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.546923][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.546926][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.546927][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.546934][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.546936][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.546939][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.546941][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.546949][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.546950][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.546952][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.546954][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.546956][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.546958][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.546960][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.546961][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.546962][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.546964][    C2]  </IRQ>
[   27.546965][    C2]  <TASK>
[   27.546965][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.546967][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.546969][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.546971][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.546972][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.546975][    C2] RAX: 00000000000dbd29 RBX: ff11000001bec6c0 RCX: ffffffff8e4f0307
[   27.546976][    C2] RDX: ff11000001bec6c0 RSI: ffffffff91238af6 RDI: ffffffff90c8d8e0
[   27.546977][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.546978][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.546978][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.546980][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.546982][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.546984][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.546985][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.546987][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.546989][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.546990][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.546992][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.546993][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.546995][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.546996][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.546998][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.547000][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   65.564441][   T12] softirqs last disabled at (33994): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   65.564444][   T12] Preemption disabled at:
| [   65.564444][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.564456][   T12] Tainted: [W]=WARN
[   65.564457][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.564459][   T12] Workqueue: netns cleanup_net
[   65.564464][   T12] Call Trace:
[   65.564466][   T12]  <TASK>
[   65.564467][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.564472][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.564474][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.564478][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.564481][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564485][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   65.564488][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.564490][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.564494][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.564496][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.564498][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   65.564499][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   65.564501][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.564503][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   65.564505][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.564509][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.564510][   T12]  ? 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)
[   65.564512][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.564513][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564515][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564516][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.564519][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.564521][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.564523][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564526][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564528][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.564530][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   65.564532][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.564534][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.564536][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.564538][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.564540][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.564542][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564544][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.564545][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.564547][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   65.564549][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.564551][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.564553][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.564555][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.564557][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   65.564559][   T12]  ? kthread (kernel/kthread.c:436)
[   65.564561][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   65.564564][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   65.564566][   T12]  _printk (kernel/printk/printk.c:2504)
[   65.564569][   T12]  ? snapshot_read.cold (user.c:?)
[   65.564571][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.564574][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.564576][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.564577][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   65.564579][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564581][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   65.564582][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   65.564585][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   65.564586][   T12]  ? 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)
[   65.564589][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   65.564591][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   65.564594][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   65.564607][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   65.564615][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   65.564622][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   65.564625][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   65.564627][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   65.564630][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   65.564632][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   65.564633][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[   65.564636][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.564637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.564639][   T12]  process_one_work (kernel/workqueue.c:3387)
[   65.564642][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   65.564645][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.564647][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   65.564650][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   65.564652][   T12]  kthread (kernel/kthread.c:436)
[   65.564653][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.564654][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   65.564656][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.564658][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   65.564659][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.564662][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__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