======================================
| [   10.510157][  T207] softirqs last disabled at (28631): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.510160][  T207] Preemption disabled at:
| [   10.510161][  T207] 0x0
| [   10.510175][  T207] Tainted: [W]=WARN
[   10.510177][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.510179][  T207] Call Trace:
[   10.510181][  T207]  <TASK>
[   10.510183][  T207]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.510192][  T207]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.510198][  T207]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.510204][  T207]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.510212][  T207]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.510216][  T207]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.510225][  T207]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.510229][  T207]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.510234][  T207]  put_chars (drivers/char/virtio_console.c:1176)
[   10.510239][  T207]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.510241][  T207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.510248][  T207]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.510257][  T207]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.510268][  T207]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.510271][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510275][  T207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.510282][  T207]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.510288][  T207]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.510291][  T207]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.510296][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510300][  T207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.510307][  T207]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.510313][  T207]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.510316][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.510325][  T207]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.510329][  T207]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.510332][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510336][  T207]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.510342][  T207]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.510344][  T207]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.510350][  T207]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.510356][  T207]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.510361][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.510368][  T207]  _printk (kernel/printk/printk.c:2504)
[   10.510373][  T207]  ? snapshot_read.cold (user.c:?)
[   10.510378][  T207]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.510382][  T207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.510388][  T207]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.510393][  T207]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.510399][  T207]  ? exit_notify (kernel/exit.c:780)
[   10.510402][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.510406][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510413][  T207]  do_group_exit (kernel/exit.c:1151)
[   10.510418][  T207]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.510420][  T207]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.510424][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.510427][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.510432][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.510436][  T207] RIP: 0033:0x7f1754dab1b8
[   10.510439][  T207] Code: Unable to access opcode bytes at 0x7f1754dab18e.

Code starting with the faulting instruction
===========================================
[   10.510440][  T207] RSP: 002b:00007ffc711de3d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.510444][  T207] RAX: ffffffffffffffda RBX: 00007f1754edbf88 RCX: 00007f1754dab1b8
[   10.510446][  T207] RDX: 00007f1754af5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.510447][  T207] RBP: 00007ffc711de430 R08: 0000000000000000 R09: 0000000000008010
[   10.510449][  T207] R10: 00007ffc711de1f0 R11: 0000000000000246 R12: 0000000000000001
[   10.510450][  T207] R13: 0000000000000000 R14: 00007f1754eda680 R15: 00007f1754edbfa0
| [   12.887504][  T289] softirqs last disabled at (12258): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.887507][  T289] Preemption disabled at:
| [   12.887508][  T289] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.887517][  T289] Tainted: [W]=WARN
[   12.887518][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.887520][  T289] Call Trace:
[   12.887521][  T289]  <TASK>
[   12.887523][  T289]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.887529][  T289]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.887531][  T289]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.887536][  T289]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.887541][  T289]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.887546][  T289]  __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))
[   12.887548][  T289]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.887553][  T289]  ? 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)
[   12.887556][  T289]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.887559][  T289]  put_chars (drivers/char/virtio_console.c:1176)
[   12.887562][  T289]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.887567][  T289]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.887570][  T289]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.887573][  T289]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.887575][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.887577][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.887581][  T289]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.887583][  T289]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.887586][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.887590][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.887594][  T289]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.887598][  T289]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.887599][  T289]  ? 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))
[   12.887603][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.887605][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.887609][  T289]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.887613][  T289]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.887615][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.887620][  T289]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.887623][  T289]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.887624][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.887627][  T289]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.887631][  T289]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.887632][  T289]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.887636][  T289]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.887640][  T289]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.887642][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.887644][  T289]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.887648][  T289]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.887651][  T289]  _printk (kernel/printk/printk.c:2504)
[   12.887655][  T289]  ? snapshot_read.cold (user.c:?)
[   12.887659][  T289]  ? br_multicast_flood (??:?) bridge
[   12.887671][  T289]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.887673][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.887674][  T289]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.887678][  T289] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.887689][  T289] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.887697][  T289] new_nbp (net/bridge/br_if.c:449) bridge
[   12.887706][  T289] br_add_if (net/bridge/br_if.c:592) bridge
[   12.887713][  T289]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.887718][  T289]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.887721][  T289]  ? __kernel_text_address (kernel/extable.c:79)
[   12.887725][  T289]  do_set_master (net/core/rtnetlink.c:3071)
[   12.887729][  T289]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.887732][  T289]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.887736][  T289]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.887737][  T289]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.887740][  T289]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.887743][  T289]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.887746][  T289]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.887748][  T289]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.887751][  T289]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.887753][  T289]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.887755][  T289]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.887758][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.887760][  T289]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.887763][  T289]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.887767][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.887769][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.887772][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.887774][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.887776][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.887778][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.887780][  T289]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.887784][  T289]  ? __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)
[   12.887785][  T289]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.887787][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.887791][  T289]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.887792][  T289]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.887797][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.887802][  T289]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.887808][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.887810][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.887814][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.887816][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.887818][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.887820][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.887823][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.887825][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.887828][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.887830][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.887834][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.887836][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.887839][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.887841][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.887844][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.887850][  T289]  ? 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))
[   12.887852][  T289]  ? 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))
[   12.887856][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.887859][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.887862][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.887866][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.887870][  T289]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.887874][  T289]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.887879][  T289]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.887881][  T289]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.887884][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.887885][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   12.887893][  T289]  ___sys_sendmsg (net/socket.c:2767)
[   12.887895][  T289]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.887911][  T289]  __sys_sendmsg (net/socket.c:2799)
[   12.887914][  T289]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.887920][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.887924][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.887925][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.887928][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.887931][  T289] RIP: 0033:0x7f4a1055054e
[   12.887934][  T289] 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
[   12.887936][  T289] RSP: 002b:00007ffceab4ea00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.887939][  T289] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4a1055054e
[   12.887940][  T289] RDX: 0000000000000000 RSI: 00007ffceab4eab0 RDI: 0000000000000005
[   12.887941][  T289] RBP: 00007ffceab4ea10 R08: 0000000000000000 R09: 0000000000000000
[   12.887942][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e1c0
[   12.887943][  T289] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffceab4f170
| [   14.637505][  T350] softirqs last disabled at (13866): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.637507][  T350] Preemption disabled at:
| [   14.637508][  T350] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.637517][  T350] Tainted: [W]=WARN
[   14.637518][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.637520][  T350] Call Trace:
[   14.637521][  T350]  <TASK>
[   14.637523][  T350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.637529][  T350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.637531][  T350]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.637536][  T350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.637540][  T350]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.637545][  T350]  __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))
[   14.637547][  T350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.637552][  T350]  ? 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)
[   14.637555][  T350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.637558][  T350]  put_chars (drivers/char/virtio_console.c:1176)
[   14.637560][  T350]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.637562][  T350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.637565][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.637569][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.637571][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.637575][  T350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.637577][  T350]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.637579][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.637581][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.637585][  T350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.637587][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.637590][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.637592][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.637596][  T350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.637600][  T350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.637602][  T350]  ? 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))
[   14.637605][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.637607][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.637611][  T350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.637615][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.637617][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.637622][  T350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.637624][  T350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.637626][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.637628][  T350]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.637632][  T350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.637634][  T350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.637637][  T350]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.637641][  T350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.637643][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.637646][  T350]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.637649][  T350]  _printk (kernel/printk/printk.c:2504)
[   14.637653][  T350]  ? snapshot_read.cold (user.c:?)
[   14.637657][  T350]  ? br_multicast_flood (??:?) bridge
[   14.637669][  T350]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.637670][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.637672][  T350]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.637676][  T350] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.637686][  T350] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.637694][  T350] new_nbp (net/bridge/br_if.c:449) bridge
[   14.637703][  T350] br_add_if (net/bridge/br_if.c:592) bridge
[   14.637710][  T350]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.637714][  T350]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.637717][  T350]  ? __kernel_text_address (kernel/extable.c:79)
[   14.637720][  T350]  do_set_master (net/core/rtnetlink.c:3071)
[   14.637725][  T350]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.637728][  T350]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.637731][  T350]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.637732][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.637734][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.637738][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.637740][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.637742][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.637744][  T350]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.637747][  T350]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.637748][  T350]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.637751][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.637753][  T350]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.637756][  T350]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.637760][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.637762][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.637764][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.637767][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.637768][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.637770][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.637772][  T350]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.637776][  T350]  ? __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)
[   14.637779][  T350]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.637781][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.637784][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.637786][  T350]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.637791][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.637796][  T350]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.637801][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.637803][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.637807][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.637809][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.637811][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.637812][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.637816][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.637818][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.637821][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.637822][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.637826][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.637828][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.637832][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.637833][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.637836][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.637842][  T350]  ? 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))
[   14.637843][  T350]  ? 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))
[   14.637848][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.637851][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.637854][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.637858][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.637861][  T350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.637865][  T350]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.637871][  T350]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.637873][  T350]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.637875][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.637877][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   14.637884][  T350]  ___sys_sendmsg (net/socket.c:2767)
[   14.637886][  T350]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.637902][  T350]  __sys_sendmsg (net/socket.c:2799)
[   14.637904][  T350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.637910][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.637914][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.637916][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.637919][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.637922][  T350] RIP: 0033:0x7fdae43c854e
[   14.637925][  T350] 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
[   14.637927][  T350] RSP: 002b:00007fff43615b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.637929][  T350] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdae43c854e
[   14.637931][  T350] RDX: 0000000000000000 RSI: 00007fff43615c30 RDI: 0000000000000005
[   14.637932][  T350] RBP: 00007fff43615b90 R08: 0000000000000000 R09: 0000000000000000
[   14.637933][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e1c1
[   14.637933][  T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff436162f0
| [   16.281869][  T406] softirqs last disabled at (13086): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.281871][  T406] Preemption disabled at:
| [   16.281872][  T406] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.281882][  T406] Tainted: [W]=WARN
[   16.281883][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.281885][  T406] Call Trace:
[   16.281887][  T406]  <TASK>
[   16.281888][  T406]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.281895][  T406]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.281897][  T406]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.281902][  T406]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.281906][  T406]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.281911][  T406]  __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))
[   16.281914][  T406]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.281919][  T406]  ? 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)
[   16.281922][  T406]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.281925][  T406]  put_chars (drivers/char/virtio_console.c:1176)
[   16.281927][  T406]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.281930][  T406]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.281933][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.281937][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.281940][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.281943][  T406]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.281946][  T406]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.281948][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.281950][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.281954][  T406]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.281956][  T406]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.281959][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.281962][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.281966][  T406]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.281970][  T406]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.281971][  T406]  ? 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))
[   16.281975][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.281977][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.281981][  T406]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.281986][  T406]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.281987][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.281993][  T406]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.281996][  T406]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.281998][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.282000][  T406]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.282004][  T406]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.282005][  T406]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.282009][  T406]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.282013][  T406]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.282016][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.282019][  T406]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.282022][  T406]  _printk (kernel/printk/printk.c:2504)
[   16.282026][  T406]  ? snapshot_read.cold (user.c:?)
[   16.282030][  T406]  ? br_multicast_flood (??:?) bridge
[   16.282043][  T406]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.282044][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.282046][  T406]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.282050][  T406] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.282061][  T406] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.282069][  T406] new_nbp (net/bridge/br_if.c:449) bridge
[   16.282079][  T406] br_add_if (net/bridge/br_if.c:592) bridge
[   16.282086][  T406]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.282090][  T406]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.282093][  T406]  ? __kernel_text_address (kernel/extable.c:79)
[   16.282097][  T406]  do_set_master (net/core/rtnetlink.c:3071)
[   16.282102][  T406]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.282105][  T406]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.282108][  T406]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.282109][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.282111][  T406]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.282115][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.282117][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.282119][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.282122][  T406]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.282131][  T406]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.282133][  T406]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.282135][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.282137][  T406]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.282140][  T406]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.282145][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.282147][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.282150][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.282152][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.282154][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.282158][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.282160][  T406]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.282164][  T406]  ? __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)
[   16.282167][  T406]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.282169][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.282173][  T406]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.282174][  T406]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.282179][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.282184][  T406]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.282190][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.282192][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.282196][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.282198][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.282200][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.282202][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.282206][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.282208][  T406]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.282211][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.282213][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.282217][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.282219][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.282222][  T406]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.282224][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.282227][  T406]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.282233][  T406]  ? 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))
[   16.282235][  T406]  ? 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))
[   16.282239][  T406]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.282243][  T406]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.282245][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.282250][  T406]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.282253][  T406]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.282257][  T406]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.282263][  T406]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.282265][  T406]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.282268][  T406]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.282269][  T406]  ? move_addr_to_kernel (net/socket.c:258)
[   16.282277][  T406]  ___sys_sendmsg (net/socket.c:2767)
[   16.282280][  T406]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.282295][  T406]  __sys_sendmsg (net/socket.c:2799)
[   16.282298][  T406]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.282304][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.282308][  T406]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.282311][  T406]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.282314][  T406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.282316][  T406] RIP: 0033:0x7f1326adc54e
[   16.282320][  T406] 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
[   16.282321][  T406] RSP: 002b:00007ffc50422f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.282324][  T406] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1326adc54e
[   16.282326][  T406] RDX: 0000000000000000 RSI: 00007ffc50422fb0 RDI: 0000000000000005
[   16.282327][  T406] RBP: 00007ffc50422f10 R08: 0000000000000000 R09: 0000000000000000
[   16.282327][  T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e1c3
[   16.282328][  T406] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc50423670
| [   25.730881][  T517] softirqs last disabled at (26185): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.730884][  T517] Preemption disabled at:
| [   25.730884][  T517] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.730894][  T517] Tainted: [W]=WARN
[   25.730895][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.730896][  T517] Call Trace:
[   25.730898][  T517]  <TASK>
[   25.730900][  T517]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.730906][  T517]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.730908][  T517]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.730912][  T517]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.730917][  T517]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.730922][  T517]  __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))
[   25.730924][  T517]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.730930][  T517]  ? 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)
[   25.730932][  T517]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.730935][  T517]  put_chars (drivers/char/virtio_console.c:1176)
[   25.730938][  T517]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.730940][  T517]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.730942][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.730946][  T517]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.730950][  T517]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.730953][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.730954][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.730959][  T517]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.730960][  T517]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.730963][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.730966][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.730970][  T517]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.730974][  T517]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.730976][  T517]  ? 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))
[   25.730979][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.730981][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.730985][  T517]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.730989][  T517]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.730991][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.730996][  T517]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.730999][  T517]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.731000][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.731003][  T517]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.731006][  T517]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.731008][  T517]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.731011][  T517]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.731015][  T517]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.731021][  T517]  ? 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
[   25.731025][  T517]  _printk (kernel/printk/printk.c:2504)
[   25.731028][  T517]  ? snapshot_read.cold (user.c:?)
[   25.731034][  T517]  ? 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)
[   25.731037][  T517] gact_init_module (net/sched/act_gact.c:180) act_gact
[   25.731040][  T517]  do_one_initcall (init/main.c:1357)
[   25.731043][  T517]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.731047][  T517]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.731050][  T517]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.731055][  T517]  do_init_module (kernel/module/main.c:3117)
[   25.731058][  T517]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.731063][  T517]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.731066][  T517]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.731070][  T517]  load_module (kernel/module/main.c:3593)
[   25.731077][  T517]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.731080][  T517]  ? __ia32_sys_fsconfig (??:?)
[   25.731083][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.731086][  T517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.731090][  T517]  init_module_from_file (kernel/module/main.c:3790)
[   25.731093][  T517]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   25.731100][  T517]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.731104][  T517]  ? 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)
[   25.731107][  T517]  idempotent_init_module (kernel/module/main.c:3802)
[   25.731110][  T517]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.731116][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.731118][  T517]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.731128][  T517]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.731131][  T517]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.731134][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.731136][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.731139][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.731141][  T517] RIP: 0033:0x7f104e5ca37d
[   25.731145][  T517] 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
[   25.731147][  T517] RSP: 002b:00007fff5f5d4f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.731149][  T517] RAX: ffffffffffffffda RBX: 0000560476a56810 RCX: 00007f104e5ca37d
[   25.731151][  T517] RDX: 0000000000000000 RSI: 00005604566bfffd RDI: 0000000000000000
[   25.731151][  T517] RBP: 00007fff5f5d4fa0 R08: 0000000000000000 R09: 0000000000000000
[   25.731152][  T517] R10: 0000000000000000 R11: 0000000000000246 R12: 00005604566bfffd
[   25.731153][  T517] R13: 0000560476a56960 R14: 0000000000040000 R15: 0000000000000000
| [   28.130281][    C0] softirqs last disabled at (1037279): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.130283][    C0] Preemption disabled at:
| [   28.130284][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.130294][    C0] Tainted: [W]=WARN
[   28.130295][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.130297][    C0] Call Trace:
[   28.130299][    C0]  <IRQ>
[   28.130300][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.130305][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.130307][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.130311][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.130314][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.130317][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130320][    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))
[   28.130324][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.130326][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.130330][    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)
[   28.130332][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.130334][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.130336][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.130338][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.130341][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.130344][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.130346][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130347][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.130350][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.130352][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.130354][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130356][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130357][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.130359][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.130361][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.130363][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.130366][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.130367][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.130369][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.130370][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130372][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.130373][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.130375][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.130377][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.130379][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.130382][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.130383][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130385][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.130387][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.130391][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.130394][    C0]  ? snapshot_read.cold (user.c:?)
[   28.130396][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.130400][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.130402][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.130404][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.130406][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.130409][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.130411][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.130412][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.130415][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.130416][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.130429][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130431][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.130432][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.130439][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.130440][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.130447][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.130454][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.130459][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.130463][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.130465][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.130468][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.130470][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.130472][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130474][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.130476][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.130483][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.130484][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.130487][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.130489][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.130491][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.130493][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.130495][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130497][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.130499][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.130500][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.130503][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.130504][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.130505][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.130508][    C0]  </IRQ>
[   28.130509][    C0]  <TASK>
[   28.130509][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.130511][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.130514][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.130517][    C0] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.130518][    C0] RSP: 0018:ffffffff92007cf8 EFLAGS: 00000296
[   28.130521][    C0] RAX: 00000000000fd3dd RBX: ffffffff9201c600 RCX: ffffffff8f0f0307
[   28.130522][    C0] RDX: ffffffff9201c600 RSI: ffffffff91e38b1c RDI: ffffffff9188d8e0
[   28.130523][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.130524][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2400fa2
[   28.130525][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.130526][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.130530][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.130531][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.130533][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.130535][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.130536][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.130538][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.130540][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.130542][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.130543][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.130545][    C0]  rest_init (init/main.c:727)
[   28.130547][    C0]  ? __cpuidle_text_end (??:?)
[   28.130549][    C0]  ? rest_init (init/main.c:727)
[   28.130551][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.130555][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.130557][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.130560][    C0]  start_kernel (init/main.c:1185)
[   28.130562][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.130564][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.130566][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.190845][    C0]
| [   28.190969][    C0]
| [   28.190969][    C0] stack backtrace:
| [   28.191161][    C0] Tainted: [W]=WARN
[   28.191162][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.191163][    C0] Call Trace:
[   28.191165][    C0]  <IRQ>
[   28.191166][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.191171][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.191174][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.191177][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.191179][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.191180][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.191183][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.191184][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.191191][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.191194][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.191196][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.191202][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.191204][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.191210][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.191216][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.191222][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.191224][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.191226][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.191229][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.191231][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.191233][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.191235][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.191237][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.191243][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.191245][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.191248][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.191250][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.191252][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.191254][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.191256][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.191258][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.191260][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.191261][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.191263][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.191265][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.191266][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.191268][    C0]  </IRQ>
[   28.191268][    C0]  <TASK>
[   28.191269][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.191271][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.191272][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.191275][    C0] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.191276][    C0] RSP: 0018:ffffffff92007cf8 EFLAGS: 00000296
[   28.191278][    C0] RAX: 00000000000fd3dd RBX: ffffffff9201c600 RCX: ffffffff8f0f0307
[   28.191280][    C0] RDX: ffffffff9201c600 RSI: ffffffff91e38b1c RDI: ffffffff9188d8e0
[   28.191280][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.191281][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2400fa2
[   28.191282][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.191284][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.191286][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.191287][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.191289][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.191290][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.191292][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.191293][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.191296][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.191298][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.191299][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.191301][    C0]  rest_init (init/main.c:727)
[   28.191303][    C0]  ? __cpuidle_text_end (??:?)
[   28.191306][    C0]  ? rest_init (init/main.c:727)
[   28.191308][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.191312][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.191315][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.191317][    C0]  start_kernel (init/main.c:1185)
[   28.191319][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.191320][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.191322][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  112.251642][   T73] softirqs last disabled at (44374): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  112.251645][   T73] Preemption disabled at:
| [  112.251646][   T73] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.251658][   T73] Tainted: [W]=WARN
[  112.251659][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.251661][   T73] Workqueue: netns cleanup_net
[  112.251667][   T73] Call Trace:
[  112.251668][   T73]  <TASK>
[  112.251670][   T73]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.251675][   T73]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.251677][   T73]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.251681][   T73]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.251684][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251688][   T73]  __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))
[  112.251692][   T73]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.251695][   T73]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.251698][   T73]  ? 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)
[  112.251700][   T73]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.251702][   T73]  put_chars (drivers/char/virtio_console.c:1176)
[  112.251704][   T73]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  112.251705][   T73]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.251707][   T73]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  112.251709][   T73]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.251713][   T73]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.251714][   T73]  ? 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)
[  112.251715][   T73]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.251717][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251719][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251720][   T73]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.251722][   T73]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.251725][   T73]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.251727][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251728][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251730][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251732][   T73]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.251734][   T73]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  112.251735][   T73]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.251738][   T73]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.251740][   T73]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.251742][   T73]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.251743][   T73]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.251745][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251747][   T73]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.251748][   T73]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  112.251750][   T73]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  112.251752][   T73]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.251754][   T73]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.251756][   T73]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.251758][   T73]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.251760][   T73]  ? process_one_work (kernel/workqueue.c:3387)
[  112.251763][   T73]  ? kthread (kernel/kthread.c:436)
[  112.251765][   T73]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  112.251767][   T73]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  112.251770][   T73]  _printk (kernel/printk/printk.c:2504)
[  112.251773][   T73]  ? snapshot_read.cold (user.c:?)
[  112.251775][   T73]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  112.251777][   T73]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  112.251779][   T73]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  112.251781][   T73]  ? netdev_notice (net/core/dev.c:13194)
[  112.251783][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251785][   T73]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  112.251786][   T73]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  112.251789][   T73]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  112.251790][   T73]  ? 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)
[  112.251793][   T73]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  112.251795][   T73]  dev_set_allmulti (net/core/dev_api.c:315)
[  112.251798][   T73] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  112.251811][   T73] br_dev_delete (net/bridge/br_if.c:387) bridge
[  112.251819][   T73] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  112.251826][   T73]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  112.251828][   T73]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  112.251830][   T73]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  112.251833][   T73]  cleanup_net (net/core/net_namespace.c:706)
[  112.251835][   T73]  ? net_passive_dec (./include/linux/llist.h:241)
[  112.251836][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251838][   T73]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.251840][   T73]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.251842][   T73]  process_one_work (kernel/workqueue.c:3387)
[  112.251845][   T73]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  112.251847][   T73]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.251849][   T73]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  112.251852][   T73]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  112.251853][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  112.251855][   T73]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  112.251857][   T73]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  112.251858][   T73]  kthread (kernel/kthread.c:436)
[  112.251860][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  112.251861][   T73]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  112.251863][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[  112.251865][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  112.251866][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  112.251869][   T73]  ? 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