======================================
| [    9.894184][  T187] softirqs last disabled at (35107): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.894187][  T187] Preemption disabled at:
| [    9.894187][  T187] 0x0
| [    9.894201][  T187] Tainted: [W]=WARN
[    9.894202][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.894203][  T187] Call Trace:
[    9.894205][  T187]  <TASK>
[    9.894207][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.894213][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.894218][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.894222][  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)
[    9.894227][  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))
[    9.894229][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.894235][  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)
[    9.894243][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.894246][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.894249][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.894250][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.894255][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.894261][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.894267][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.894269][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.894271][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.894275][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.894279][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.894281][  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))
[    9.894285][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.894287][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.894291][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.894295][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.894297][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.894302][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.894305][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.894307][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.894309][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.894313][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.894315][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.894318][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.894322][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.894326][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.894329][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.894333][  T187]  ? snapshot_read.cold (user.c:?)
[    9.894336][  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)
[    9.894338][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.894342][  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)
[    9.894345][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.894348][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.894350][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.894353][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.894357][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.894360][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.894362][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.894364][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.894368][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.894371][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.894373][  T187] RIP: 0033:0x7fd158d5f1b8
[    9.894375][  T187] Code: Unable to access opcode bytes at 0x7fd158d5f18e.

Code starting with the faulting instruction
===========================================
[    9.894377][  T187] RSP: 002b:00007fff5fc55ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.894379][  T187] RAX: ffffffffffffffda RBX: 00007fd158e8ff88 RCX: 00007fd158d5f1b8
[    9.894381][  T187] RDX: 00007fd158aa9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.894381][  T187] RBP: 00007fff5fc55d40 R08: 0000000000000000 R09: 0000000000008010
[    9.894382][  T187] R10: 00007fff5fc55b00 R11: 0000000000000246 R12: 0000000000000001
[    9.894383][  T187] R13: 0000000000000000 R14: 00007fd158e8e680 R15: 00007fd158e8ffa0
| [   11.894290][  T268] softirqs last disabled at (19794): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.894292][  T268] Preemption disabled at:
| [   11.894293][  T268] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.894302][  T268] Tainted: [W]=WARN
[   11.894302][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.894304][  T268] Call Trace:
[   11.894306][  T268]  <TASK>
[   11.894307][  T268]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.894313][  T268]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.894315][  T268]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.894319][  T268]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.894323][  T268]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.894328][  T268]  __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))
[   11.894331][  T268]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.894336][  T268]  ? 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)
[   11.894339][  T268]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.894342][  T268]  put_chars (drivers/char/virtio_console.c:1176)
[   11.894344][  T268]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.894348][  T268]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.894352][  T268]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.894355][  T268]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.894357][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.894358][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.894362][  T268]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.894364][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.894367][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.894371][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.894375][  T268]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.894378][  T268]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.894380][  T268]  ? 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))
[   11.894383][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.894385][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.894389][  T268]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.894393][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.894395][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.894399][  T268]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.894402][  T268]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.894404][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.894406][  T268]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.894410][  T268]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.894411][  T268]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.894415][  T268]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.894418][  T268]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.894421][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.894422][  T268]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.894427][  T268]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.894430][  T268]  _printk (kernel/printk/printk.c:2504)
[   11.894433][  T268]  ? snapshot_read.cold (user.c:?)
[   11.894437][  T268]  ? br_multicast_flood (??:?) bridge
[   11.894450][  T268]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.894451][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.894452][  T268]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.894456][  T268] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.894466][  T268] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.894474][  T268] new_nbp (net/bridge/br_if.c:449) bridge
[   11.894483][  T268] br_add_if (net/bridge/br_if.c:592) bridge
[   11.894490][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.894494][  T268]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.894497][  T268]  ? __kernel_text_address (kernel/extable.c:79)
[   11.894501][  T268]  do_set_master (net/core/rtnetlink.c:3071)
[   11.894505][  T268]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.894508][  T268]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.894511][  T268]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.894512][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.894515][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.894518][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.894521][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.894523][  T268]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.894525][  T268]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.894528][  T268]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.894530][  T268]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.894532][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.894534][  T268]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.894537][  T268]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.894542][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.894544][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.894546][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.894549][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.894550][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.894552][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.894554][  T268]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.894558][  T268]  ? __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)
[   11.894560][  T268]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.894562][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.894565][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.894567][  T268]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.894571][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.894576][  T268]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.894581][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.894583][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.894587][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.894589][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.894591][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.894593][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.894596][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.894598][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.894601][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.894603][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.894607][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.894609][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.894612][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.894614][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.894616][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.894622][  T268]  ? 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))
[   11.894624][  T268]  ? 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))
[   11.894628][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.894631][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.894634][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.894638][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.894641][  T268]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.894645][  T268]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.894650][  T268]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.894652][  T268]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.894654][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.894656][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   11.894663][  T268]  ___sys_sendmsg (net/socket.c:2767)
[   11.894666][  T268]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.894681][  T268]  __sys_sendmsg (net/socket.c:2799)
[   11.894684][  T268]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.894690][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.894693][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.894695][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.894698][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.894701][  T268] RIP: 0033:0x7fcd9e91654e
[   11.894704][  T268] 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
[   11.894706][  T268] RSP: 002b:00007ffd2b98a050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.894708][  T268] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcd9e91654e
[   11.894710][  T268] RDX: 0000000000000000 RSI: 00007ffd2b98a100 RDI: 0000000000000005
[   11.894711][  T268] RBP: 00007ffd2b98a060 R08: 0000000000000000 R09: 0000000000000000
[   11.894712][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9189e1
[   11.894713][  T268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2b98a7c0
| [   13.324877][  T317] softirqs last disabled at (13980): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.324879][  T317] Preemption disabled at:
| [   13.324880][  T317] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.324890][  T317] Tainted: [W]=WARN
[   13.324890][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.324892][  T317] Call Trace:
[   13.324894][  T317]  <TASK>
[   13.324895][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.324901][  T317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.324903][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.324908][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.324912][  T317]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.324917][  T317]  __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))
[   13.324919][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.324925][  T317]  ? 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)
[   13.324928][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.324931][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   13.324933][  T317]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.324935][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.324938][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.324942][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.324944][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.324948][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.324951][  T317]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.324953][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.324954][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.324958][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.324960][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.324963][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.324966][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.324969][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.324973][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.324975][  T317]  ? 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))
[   13.324978][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.324980][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.324984][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.324988][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.324990][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.324995][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.324998][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.325000][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.325002][  T317]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.325006][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.325008][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.325011][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.325015][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.325017][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.325020][  T317]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.325023][  T317]  _printk (kernel/printk/printk.c:2504)
[   13.325027][  T317]  ? snapshot_read.cold (user.c:?)
[   13.325031][  T317]  ? br_multicast_flood (??:?) bridge
[   13.325043][  T317]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.325045][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.325046][  T317]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.325050][  T317] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.325061][  T317] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.325069][  T317] new_nbp (net/bridge/br_if.c:449) bridge
[   13.325078][  T317] br_add_if (net/bridge/br_if.c:592) bridge
[   13.325085][  T317]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.325089][  T317]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.325091][  T317]  ? __kernel_text_address (kernel/extable.c:79)
[   13.325095][  T317]  do_set_master (net/core/rtnetlink.c:3071)
[   13.325100][  T317]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.325103][  T317]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.325106][  T317]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.325107][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.325109][  T317]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.325113][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.325115][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.325117][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.325120][  T317]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.325123][  T317]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.325124][  T317]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.325127][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.325129][  T317]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.325132][  T317]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.325136][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.325138][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.325141][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.325143][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.325144][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.325146][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.325148][  T317]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.325152][  T317]  ? __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)
[   13.325155][  T317]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.325157][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.325160][  T317]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.325162][  T317]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.325167][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.325172][  T317]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.325177][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.325179][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.325183][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.325185][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.325187][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.325189][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.325192][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.325194][  T317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.325200][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.325201][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.325205][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.325207][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.325211][  T317]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.325212][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.325215][  T317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.325221][  T317]  ? 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))
[   13.325222][  T317]  ? 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))
[   13.325227][  T317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.325230][  T317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.325233][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.325237][  T317]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.325240][  T317]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.325244][  T317]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.325249][  T317]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.325257][  T317]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.325259][  T317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.325261][  T317]  ? move_addr_to_kernel (net/socket.c:258)
[   13.325268][  T317]  ___sys_sendmsg (net/socket.c:2767)
[   13.325270][  T317]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.325285][  T317]  __sys_sendmsg (net/socket.c:2799)
[   13.325288][  T317]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.325294][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.325298][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.325300][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.325303][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.325306][  T317] RIP: 0033:0x7fada111e54e
[   13.325309][  T317] 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
[   13.325311][  T317] RSP: 002b:00007fffe34fe760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.325313][  T317] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fada111e54e
[   13.325315][  T317] RDX: 0000000000000000 RSI: 00007fffe34fe810 RDI: 0000000000000005
[   13.325316][  T317] RBP: 00007fffe34fe770 R08: 0000000000000000 R09: 0000000000000000
[   13.325316][  T317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9189e2
[   13.325317][  T317] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe34feed0
| [   14.365699][  T355] softirqs last disabled at (17528): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.365701][  T355] Preemption disabled at:
| [   14.365702][  T355] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.365712][  T355] Tainted: [W]=WARN
[   14.365713][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.365715][  T355] Call Trace:
[   14.365716][  T355]  <TASK>
[   14.365718][  T355]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.365724][  T355]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.365726][  T355]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.365730][  T355]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.365735][  T355]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.365740][  T355]  __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))
[   14.365742][  T355]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.365747][  T355]  ? 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)
[   14.365750][  T355]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.365753][  T355]  put_chars (drivers/char/virtio_console.c:1176)
[   14.365755][  T355]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.365757][  T355]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.365760][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.365765][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.365767][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.365770][  T355]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.365773][  T355]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.365775][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.365776][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.365780][  T355]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.365782][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.365785][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.365788][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.365792][  T355]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.365795][  T355]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.365797][  T355]  ? 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))
[   14.365800][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.365803][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.365806][  T355]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.365811][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.365812][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.365817][  T355]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.365820][  T355]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.365822][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.365824][  T355]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.365828][  T355]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.365830][  T355]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.365834][  T355]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.365837][  T355]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.365840][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.365843][  T355]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.365846][  T355]  _printk (kernel/printk/printk.c:2504)
[   14.365850][  T355]  ? snapshot_read.cold (user.c:?)
[   14.365854][  T355]  ? br_multicast_flood (??:?) bridge
[   14.365867][  T355]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.365868][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.365869][  T355]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.365874][  T355] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.365884][  T355] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.365892][  T355] new_nbp (net/bridge/br_if.c:449) bridge
[   14.365901][  T355] br_add_if (net/bridge/br_if.c:592) bridge
[   14.365908][  T355]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.365912][  T355]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.365915][  T355]  ? __kernel_text_address (kernel/extable.c:79)
[   14.365919][  T355]  do_set_master (net/core/rtnetlink.c:3071)
[   14.365923][  T355]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.365926][  T355]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.365929][  T355]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.365931][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.365932][  T355]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.365936][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.365938][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.365940][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.365942][  T355]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.365945][  T355]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.365947][  T355]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.365949][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.365951][  T355]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.365954][  T355]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.365959][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.365960][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.365963][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.365965][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.365967][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.365968][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.365971][  T355]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.365974][  T355]  ? __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)
[   14.365977][  T355]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.365979][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.365982][  T355]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.365984][  T355]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.365989][  T355]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.365994][  T355]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.365999][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.366001][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.366005][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.366007][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.366009][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.366010][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.366014][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.366016][  T355]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.366019][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.366020][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.366024][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.366026][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.366029][  T355]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.366031][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.366034][  T355]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.366040][  T355]  ? 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))
[   14.366041][  T355]  ? 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))
[   14.366045][  T355]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.366049][  T355]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.366051][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.366055][  T355]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.366059][  T355]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.366062][  T355]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.366067][  T355]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.366070][  T355]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.366072][  T355]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.366073][  T355]  ? move_addr_to_kernel (net/socket.c:258)
[   14.366080][  T355]  ___sys_sendmsg (net/socket.c:2767)
[   14.366083][  T355]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.366098][  T355]  __sys_sendmsg (net/socket.c:2799)
[   14.366101][  T355]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.366107][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.366110][  T355]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.366113][  T355]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.366116][  T355]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.366118][  T355] RIP: 0033:0x7f10b955754e
[   14.366121][  T355] 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
[   14.366123][  T355] RSP: 002b:00007ffdf529db10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.366126][  T355] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f10b955754e
[   14.366127][  T355] RDX: 0000000000000000 RSI: 00007ffdf529dbc0 RDI: 0000000000000005
[   14.366128][  T355] RBP: 00007ffdf529db20 R08: 0000000000000000 R09: 0000000000000000
[   14.366129][  T355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9189e3
[   14.366130][  T355] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf529e280
| [   21.982072][  T443] softirqs last disabled at (20839): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.982075][  T443] Preemption disabled at:
| [   21.982075][  T443] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.982088][  T443] Tainted: [W]=WARN
[   21.982089][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.982091][  T443] Call Trace:
[   21.982093][  T443]  <TASK>
[   21.982096][  T443]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.982103][  T443]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.982106][  T443]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.982112][  T443]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.982118][  T443]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.982125][  T443]  __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))
[   21.982129][  T443]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.982138][  T443]  ? 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)
[   21.982142][  T443]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.982147][  T443]  put_chars (drivers/char/virtio_console.c:1176)
[   21.982150][  T443]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   21.982153][  T443]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.982159][  T443]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.982164][  T443]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.982171][  T443]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.982175][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.982177][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.982185][  T443]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.982187][  T443]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.982193][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.982199][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.982206][  T443]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.982212][  T443]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.982215][  T443]  ? 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))
[   21.982220][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.982223][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.982230][  T443]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.982237][  T443]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.982239][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.982249][  T443]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.982253][  T443]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.982255][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.982259][  T443]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.982265][  T443]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.982268][  T443]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.982273][  T443]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.982280][  T443]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.982294][  T443]  ? 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
[   21.982300][  T443]  _printk (kernel/printk/printk.c:2504)
[   21.982305][  T443]  ? snapshot_read.cold (user.c:?)
[   21.982316][  T443]  ? 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)
[   21.982321][  T443] gact_init_module (net/sched/act_gact.c:180) act_gact
[   21.982325][  T443]  do_one_initcall (init/main.c:1357)
[   21.982329][  T443]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   21.982337][  T443]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   21.982341][  T443]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   21.982349][  T443]  do_init_module (kernel/module/main.c:3117)
[   21.982355][  T443]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.982361][  T443]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   21.982366][  T443]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   21.982373][  T443]  load_module (kernel/module/main.c:3593)
[   21.982386][  T443]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   21.982392][  T443]  ? __ia32_sys_fsconfig (??:?)
[   21.982396][  T443]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   21.982402][  T443]  ? backing_file_read_iter (fs/backing-file.c:211)
[   21.982406][  T443]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.982413][  T443]  init_module_from_file (kernel/module/main.c:3790)
[   21.982418][  T443]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   21.982432][  T443]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.982438][  T443]  ? 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)
[   21.982443][  T443]  idempotent_init_module (kernel/module/main.c:3802)
[   21.982448][  T443]  ? init_module_from_file (kernel/module/main.c:3791)
[   21.982459][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.982463][  T443]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   21.982472][  T443]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   21.982475][  T443]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.982480][  T443]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.982483][  T443]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.982488][  T443]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.982491][  T443] RIP: 0033:0x7fed2b45f37d
[   21.982496][  T443] 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
[   21.982498][  T443] RSP: 002b:00007fff6663d628 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   21.982502][  T443] RAX: ffffffffffffffda RBX: 00005581b83b2810 RCX: 00007fed2b45f37d
[   21.982504][  T443] RDX: 0000000000000000 RSI: 00005581978b6ffd RDI: 0000000000000000
[   21.982505][  T443] RBP: 00007fff6663d6c0 R08: 0000000000000000 R09: 0000000000000000
[   21.982507][  T443] R10: 0000000000000000 R11: 0000000000000246 R12: 00005581978b6ffd
[   21.982508][  T443] R13: 00005581b83b2960 R14: 0000000000040000 R15: 0000000000000000
| [   26.995326][    C0] softirqs last disabled at (691923): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.995327][    C0] Preemption disabled at:
| [   26.995328][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   26.995338][    C0] Tainted: [W]=WARN
[   26.995339][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.995341][    C0] Call Trace:
[   26.995342][    C0]  <IRQ>
[   26.995344][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.995350][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   26.995351][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.995355][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.995358][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.995361][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995365][    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))
[   26.995368][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.995370][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.995373][    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)
[   26.995375][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.995377][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   26.995379][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.995380][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.995384][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.995388][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.995389][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995391][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.995393][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.995395][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.995397][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995399][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995400][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.995402][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.995404][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.995406][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.995408][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.995410][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.995411][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.995413][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995415][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.995416][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.995418][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.995419][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.995421][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.995423][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.995425][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995427][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.995428][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   26.995433][    C0]  _printk (kernel/printk/printk.c:2504)
[   26.995436][    C0]  ? snapshot_read.cold (user.c:?)
[   26.995438][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.995442][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.995444][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.995445][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.995448][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.995451][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.995452][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.995454][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.995456][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.995458][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.995470][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995472][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.995474][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.995480][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.995482][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.995488][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.995494][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.995500][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.995504][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.995505][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.995509][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.995511][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.995513][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995515][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.995517][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.995523][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.995525][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.995528][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.995530][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.995532][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.995533][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.995535][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995537][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.995539][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.995540][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.995542][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.995544][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.995545][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.995548][    C0]  </IRQ>
[   26.995548][    C0]  <TASK>
[   26.995549][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.995551][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.995553][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.995556][    C0] 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
[   26.995558][    C0] RSP: 0018:ffffffff98e07cf8 EFLAGS: 00000296
[   26.995561][    C0] RAX: 00000000000a8ed1 RBX: ffffffff98e1c600 RCX: ffffffff95ef0307
[   26.995562][    C0] RDX: ffffffff98e1c600 RSI: ffffffff98c38af6 RDI: ffffffff9868d8e0
[   26.995563][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.995564][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff31c0fa2
[   26.995565][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.995566][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.995569][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.995571][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.995572][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.995574][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.995575][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.995577][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.995579][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.995581][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.995582][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.995584][    C0]  rest_init (init/main.c:727)
[   26.995586][    C0]  ? __cpuidle_text_end (??:?)
[   26.995589][    C0]  ? rest_init (init/main.c:727)
[   26.995591][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.995594][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.995597][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.995599][    C0]  start_kernel (init/main.c:1185)
[   26.995601][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.995603][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.995605][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.061683][    C0]
| [   27.061806][    C0]
| [   27.061806][    C0] stack backtrace:
| [   27.061998][    C0] Tainted: [W]=WARN
[   27.061999][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.062000][    C0] Call Trace:
[   27.062001][    C0]  <IRQ>
[   27.062002][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.062006][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.062009][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.062012][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.062014][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.062016][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.062018][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.062019][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.062027][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.062030][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.062032][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.062038][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.062040][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.062046][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.062052][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.062059][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.062061][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.062063][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.062066][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.062068][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.062070][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.062072][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.062074][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.062080][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.062082][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.062085][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.062087][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.062089][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.062091][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.062093][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.062094][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.062096][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.062098][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.062100][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.062101][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.062103][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.062104][    C0]  </IRQ>
[   27.062105][    C0]  <TASK>
[   27.062105][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.062107][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.062109][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.062111][    C0] 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
[   27.062112][    C0] RSP: 0018:ffffffff98e07cf8 EFLAGS: 00000296
[   27.062114][    C0] RAX: 00000000000a8ed1 RBX: ffffffff98e1c600 RCX: ffffffff95ef0307
[   27.062116][    C0] RDX: ffffffff98e1c600 RSI: ffffffff98c38af6 RDI: ffffffff9868d8e0
[   27.062117][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.062117][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff31c0fa2
[   27.062118][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.062119][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.062121][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.062123][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.062124][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.062126][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.062128][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.062129][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.062131][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.062133][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.062135][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.062136][    C0]  rest_init (init/main.c:727)
[   27.062138][    C0]  ? __cpuidle_text_end (??:?)
[   27.062140][    C0]  ? rest_init (init/main.c:727)
[   27.062142][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.062146][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.062148][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.062151][    C0]  start_kernel (init/main.c:1185)
[   27.062152][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.062154][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.062156][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   65.276822][   T12] softirqs last disabled at (27454): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   65.276824][   T12] Preemption disabled at:
| [   65.276825][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.276837][   T12] Tainted: [W]=WARN
[   65.276838][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.276840][   T12] Workqueue: netns cleanup_net
[   65.276846][   T12] Call Trace:
[   65.276847][   T12]  <TASK>
[   65.276849][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.276854][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.276856][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.276860][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.276864][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.276868][   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))
[   65.276872][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.276874][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.276878][   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)
[   65.276879][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.276881][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   65.276883][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   65.276885][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.276887][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   65.276889][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.276893][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.276894][   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)
[   65.276895][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.276897][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.276899][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.276900][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.276903][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.276905][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.276907][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.276909][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.276910][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.276912][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.276914][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   65.276916][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.276918][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.276922][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.276924][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.276927][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.276929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.276930][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.276932][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.276933][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   65.276935][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.276937][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.276939][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.276942][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.276943][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   65.276946][   T12]  ? kthread (kernel/kthread.c:436)
[   65.276948][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   65.276951][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   65.276953][   T12]  _printk (kernel/printk/printk.c:2504)
[   65.276956][   T12]  ? snapshot_read.cold (user.c:?)
[   65.276959][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.276961][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.276963][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.276965][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   65.276967][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.276968][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   65.276970][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   65.276972][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   65.276974][   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)
[   65.276976][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   65.276979][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   65.276982][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   65.276995][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   65.277002][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   65.277010][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   65.277012][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   65.277014][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   65.277017][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   65.277019][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   65.277021][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.277022][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.277024][   T12]  process_one_work (kernel/workqueue.c:3387)
[   65.277027][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   65.277030][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.277032][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   65.277035][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   65.277036][   T12]  kthread (kernel/kthread.c:436)
[   65.277038][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.277039][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   65.277041][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.277042][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   65.277044][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.277047][   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: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