======================================
| [    9.980740][  T205] softirqs last disabled at (25908): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.980742][  T205] Preemption disabled at:
| [    9.980743][  T205] 0x0
| [    9.980753][  T205] Tainted: [W]=WARN
[    9.980754][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.980756][  T205] Call Trace:
[    9.980757][  T205]  <TASK>
[    9.980759][  T205]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.980766][  T205]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.980770][  T205]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.980774][  T205]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.980778][  T205]  __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))
[    9.980780][  T205]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.980788][  T205]  ? 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)
[    9.980791][  T205]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.980795][  T205]  put_chars (drivers/char/virtio_console.c:1176)
[    9.980797][  T205]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.980798][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.980802][  T205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.980807][  T205]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.980815][  T205]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.980817][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.980819][  T205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.980823][  T205]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.980827][  T205]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.980829][  T205]  ? 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))
[    9.980832][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.980834][  T205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.980838][  T205]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.980842][  T205]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.980844][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.980849][  T205]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.980852][  T205]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.980854][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.980855][  T205]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.980859][  T205]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.980861][  T205]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.980863][  T205]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.980867][  T205]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.980869][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.980873][  T205]  _printk (kernel/printk/printk.c:2504)
[    9.980877][  T205]  ? snapshot_read.cold (user.c:?)
[    9.980879][  T205]  ? 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)
[    9.980882][  T205]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.980886][  T205]  ? 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)
[    9.980888][  T205]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.980892][  T205]  ? exit_notify (kernel/exit.c:780)
[    9.980894][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.980896][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.980900][  T205]  do_group_exit (kernel/exit.c:1151)
[    9.980903][  T205]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.980905][  T205]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.980907][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.980911][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.980914][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.980916][  T205] RIP: 0033:0x7fb3fb8a51b8
[    9.980919][  T205] Code: Unable to access opcode bytes at 0x7fb3fb8a518e.

Code starting with the faulting instruction
===========================================
[    9.980920][  T205] RSP: 002b:00007ffe83f10008 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.980922][  T205] RAX: ffffffffffffffda RBX: 00007fb3fb9d5f88 RCX: 00007fb3fb8a51b8
[    9.980924][  T205] RDX: 00007fb3fb5effc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.980924][  T205] RBP: 00007ffe83f10060 R08: 0000000000000000 R09: 0000000000000050
[    9.980925][  T205] R10: 00007ffe83f0fe20 R11: 0000000000000246 R12: 0000000000000001
[    9.980926][  T205] R13: 0000000000000000 R14: 00007fb3fb9d4680 R15: 00007fb3fb9d5fa0
| [   12.253586][  T257] softirqs last disabled at (42136): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.253589][  T257] Preemption disabled at:
| [   12.253589][  T257] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.253597][  T257] Tainted: [W]=WARN
[   12.253598][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.253600][  T257] Call Trace:
[   12.253602][  T257]  <TASK>
[   12.253603][  T257]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.253609][  T257]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.253611][  T257]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.253615][  T257]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.253619][  T257]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.253623][  T257]  __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))
[   12.253625][  T257]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.253632][  T257]  ? 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)
[   12.253634][  T257]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.253642][  T257]  put_chars (drivers/char/virtio_console.c:1176)
[   12.253645][  T257]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.253651][  T257]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.253658][  T257]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.253661][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.253666][  T257]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.253669][  T257]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.253671][  T257]  ? 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))
[   12.253674][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.253677][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.253681][  T257]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.253685][  T257]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.253687][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.253692][  T257]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.253695][  T257]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.253697][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.253698][  T257]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.253702][  T257]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.253704][  T257]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.253707][  T257]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.253709][  T257]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.253712][  T257]  ? save_trace (kernel/locking/lockdep.c:589)
[   12.253716][  T257]  _printk (kernel/printk/printk.c:2504)
[   12.253719][  T257]  ? snapshot_read.cold (user.c:?)
[   12.253723][  T257]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.253725][  T257]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.253729][  T257]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.253732][  T257]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.253734][  T257]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.253736][  T257]  ? netdev_notice (net/core/dev.c:13194)
[   12.253739][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.253742][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.253745][  T257]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.253748][  T257]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.253750][  T257]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.253752][  T257]  ? register_netdev (net/core/dev.c:11618)
[   12.253753][  T257]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   12.253758][  T257]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.253761][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   12.253763][  T257]  ? write_profile (profile.c:?)
[   12.253767][  T257]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.253773][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.253776][  T257]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.253778][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.253780][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.253782][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.253789][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.253791][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.253793][  T257]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.253795][  T257]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.253797][  T257]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.253798][  T257]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.253799][  T257]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.253802][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.253803][  T257]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.253807][  T257]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.253810][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.253812][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.253815][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.253817][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.253818][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.253819][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.253821][  T257]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.253823][  T257]  ? __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)
[   12.253826][  T257]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.253828][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.253831][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.253832][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.253837][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.253839][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.253845][  T257]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.253850][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.253851][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.253856][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.253858][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.253860][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.253861][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.253865][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.253867][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.253870][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.253871][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.253876][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.253878][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.253881][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.253884][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.253887][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.253893][  T257]  ? 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))
[   12.253895][  T257]  ? 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))
[   12.253900][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.253904][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.253906][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.253910][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.253914][  T257]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.253918][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.253920][  T257]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.253925][  T257]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.253928][  T257]  ____sys_sendmsg (net/socket.c:2713)
[   12.253930][  T257]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.253932][  T257]  ? sock_write_iter (net/socket.c:1269)
[   12.253934][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.253941][  T257]  ___sys_sendmsg (net/socket.c:2767)
[   12.253944][  T257]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.253959][  T257]  __sys_sendmsg (net/socket.c:2799)
[   12.253962][  T257]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.253968][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.253971][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.253974][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.253977][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.253979][  T257] RIP: 0033:0x7f63d7f9954e
[   12.253983][  T257] 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
[   12.253985][  T257] RSP: 002b:00007ffcc5d15010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.253987][  T257] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f63d7f9954e
[   12.253988][  T257] RDX: 0000000000000000 RSI: 00007ffcc5d150c0 RDI: 0000000000000005
[   12.253989][  T257] RBP: 00007ffcc5d15020 R08: 0000000000000000 R09: 0000000000000000
[   12.253990][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c249
[   12.253991][  T257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc5d15780
| [   13.299478][  T274] softirqs last disabled at (40168): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.299481][  T274] Preemption disabled at:
| [   13.299482][  T274] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.299490][  T274] Tainted: [W]=WARN
[   13.299491][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.299492][  T274] Call Trace:
[   13.299494][  T274]  <TASK>
[   13.299496][  T274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.299502][  T274]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.299503][  T274]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.299508][  T274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.299512][  T274]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.299516][  T274]  __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))
[   13.299518][  T274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.299524][  T274]  ? 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)
[   13.299527][  T274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.299531][  T274]  put_chars (drivers/char/virtio_console.c:1176)
[   13.299533][  T274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.299539][  T274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.299547][  T274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.299550][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.299555][  T274]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.299559][  T274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.299561][  T274]  ? 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))
[   13.299564][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.299566][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.299570][  T274]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.299575][  T274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.299576][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.299582][  T274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.299585][  T274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.299586][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.299588][  T274]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.299592][  T274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.299594][  T274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.299596][  T274]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.299599][  T274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.299602][  T274]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   13.299607][  T274]  _printk (kernel/printk/printk.c:2504)
[   13.299611][  T274]  ? snapshot_read.cold (user.c:?)
[   13.299613][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.299615][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.299618][  T274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.299620][  T274]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.299624][  T274]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.299627][  T274]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.299629][  T274]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.299632][  T274]  ? netdev_notice (net/core/dev.c:13194)
[   13.299634][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.299637][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.299645][  T274]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.299648][  T274]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.299650][  T274]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.299652][  T274]  ? register_netdev (net/core/dev.c:11618)
[   13.299654][  T274]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   13.299659][  T274]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.299662][  T274]  ? __kernel_text_address (kernel/extable.c:79)
[   13.299665][  T274]  ? write_profile (profile.c:?)
[   13.299669][  T274]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.299674][  T274]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.299678][  T274]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.299680][  T274]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.299681][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.299683][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.299686][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.299688][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.299690][  T274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.299692][  T274]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.299694][  T274]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.299696][  T274]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.299697][  T274]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.299699][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.299701][  T274]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.299704][  T274]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.299707][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.299709][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.299712][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.299714][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.299715][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.299716][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.299718][  T274]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.299720][  T274]  ? __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)
[   13.299721][  T274]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.299723][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.299727][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.299728][  T274]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.299732][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.299735][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.299740][  T274]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.299745][  T274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.299747][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.299751][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.299753][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.299755][  T274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.299757][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.299760][  T274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.299762][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.299765][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.299767][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.299771][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.299773][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.299776][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.299779][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.299782][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.299791][  T274]  ? 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))
[   13.299793][  T274]  ? 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))
[   13.299798][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.299802][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.299804][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.299808][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.299812][  T274]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.299816][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.299818][  T274]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.299823][  T274]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.299826][  T274]  ____sys_sendmsg (net/socket.c:2713)
[   13.299828][  T274]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.299830][  T274]  ? sock_write_iter (net/socket.c:1269)
[   13.299832][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   13.299839][  T274]  ___sys_sendmsg (net/socket.c:2767)
[   13.299841][  T274]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.299857][  T274]  __sys_sendmsg (net/socket.c:2799)
[   13.299860][  T274]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.299866][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.299868][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.299871][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.299874][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.299876][  T274] RIP: 0033:0x7f22affd054e
[   13.299880][  T274] 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
[   13.299882][  T274] RSP: 002b:00007ffe06eea2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.299885][  T274] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f22affd054e
[   13.299886][  T274] RDX: 0000000000000000 RSI: 00007ffe06eea3a0 RDI: 0000000000000005
[   13.299887][  T274] RBP: 00007ffe06eea300 R08: 0000000000000000 R09: 0000000000000000
[   13.299888][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c24a
[   13.299888][  T274] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe06eeaa60
| [   18.304585][   T71] softirqs last disabled at (23608): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   18.304587][   T71] Preemption disabled at:
| [   18.304588][   T71] 0x0
| [   18.304597][   T71] Tainted: [W]=WARN
[   18.304599][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.304600][   T71] Workqueue: netns cleanup_net
[   18.304603][   T71] Call Trace:
[   18.304605][   T71]  <TASK>
[   18.304607][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.304614][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.304618][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.304622][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.304627][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.304629][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.304635][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.304638][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.304642][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   18.304645][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.304651][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.304667][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.304670][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.304675][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.304679][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.304681][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.304685][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.304688][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.304692][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.304696][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.304698][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.304703][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.304706][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.304708][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.304710][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   18.304714][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.304716][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.304718][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.304722][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.304723][   T71]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.304729][   T71]  _printk (kernel/printk/printk.c:2504)
[   18.304732][   T71]  ? snapshot_read.cold (user.c:?)
[   18.304740][   T71]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   18.304745][   T71]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   18.304749][   T71]  br_device_event (net/bridge/br.c:111)
[   18.304751][   T71]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.304755][   T71]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.304761][   T71]  notifier_call_chain (kernel/notifier.c:85)
[   18.304767][   T71]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   18.304770][   T71]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   18.304773][   T71]  ? __dev_close_many (net/core/dev.c:1804)
[   18.304776][   T71]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   18.304781][   T71]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   18.304783][   T71]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   18.304789][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.304791][   T71]  ? kthread (kernel/kthread.c:436)
[   18.304793][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   18.304796][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   18.304799][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   18.304807][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   18.304810][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   18.304812][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.304815][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.304820][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   18.304823][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.304826][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   18.304828][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.304831][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.304836][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   18.304839][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.304842][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.304845][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.304848][   T71]  process_one_work (kernel/workqueue.c:3387)
[   18.304855][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.304858][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.304866][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.304870][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.304872][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.304875][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.304878][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.304880][   T71]  kthread (kernel/kthread.c:436)
[   18.304881][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.304885][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.304888][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.304890][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.304894][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.304897][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.304900][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.679450][  T396] softirqs last disabled at (43514): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.679452][  T396] Preemption disabled at:
| [   21.679453][  T396] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.679461][  T396] Tainted: [W]=WARN
[   21.679462][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.679464][  T396] Call Trace:
[   21.679465][  T396]  <TASK>
[   21.679467][  T396]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.679473][  T396]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.679474][  T396]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.679479][  T396]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.679483][  T396]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.679487][  T396]  __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))
[   21.679489][  T396]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.679496][  T396]  ? 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)
[   21.679499][  T396]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.679503][  T396]  put_chars (drivers/char/virtio_console.c:1176)
[   21.679505][  T396]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.679511][  T396]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.679519][  T396]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.679522][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.679526][  T396]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.679530][  T396]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.679532][  T396]  ? 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))
[   21.679535][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679538][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.679542][  T396]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.679546][  T396]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.679548][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679553][  T396]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.679556][  T396]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.679558][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679559][  T396]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.679563][  T396]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.679565][  T396]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.679567][  T396]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.679570][  T396]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.679573][  T396]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   21.679578][  T396]  _printk (kernel/printk/printk.c:2504)
[   21.679582][  T396]  ? snapshot_read.cold (user.c:?)
[   21.679583][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.679586][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.679588][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.679590][  T396]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.679594][  T396]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.679597][  T396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.679599][  T396]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.679602][  T396]  ? netdev_notice (net/core/dev.c:13194)
[   21.679605][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.679608][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.679610][  T396]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.679614][  T396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.679616][  T396]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.679618][  T396]  ? register_netdev (net/core/dev.c:11618)
[   21.679619][  T396]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   21.679625][  T396]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.679627][  T396]  ? __kernel_text_address (kernel/extable.c:79)
[   21.679630][  T396]  ? write_profile (profile.c:?)
[   21.679634][  T396]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.679639][  T396]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.679642][  T396]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.679644][  T396]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.679646][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.679648][  T396]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.679651][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.679653][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.679655][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.679657][  T396]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.679659][  T396]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.679660][  T396]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.679661][  T396]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.679664][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679666][  T396]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   21.679668][  T396]  ? ___sys_sendmsg (net/socket.c:2758)
[   21.679676][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.679678][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.679681][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679682][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.679684][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679685][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679687][  T396]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.679689][  T396]  ? __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)
[   21.679690][  T396]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.679692][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.679695][  T396]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.679697][  T396]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.679701][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679704][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.679709][  T396]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.679714][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.679716][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679720][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.679722][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.679724][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.679726][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.679730][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.679732][  T396]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.679735][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.679736][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679740][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.679742][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.679746][  T396]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.679749][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.679751][  T396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.679758][  T396]  ? 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))
[   21.679760][  T396]  ? 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))
[   21.679764][  T396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.679768][  T396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.679770][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.679775][  T396]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.679778][  T396]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.679782][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.679784][  T396]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   21.679792][  T396]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.679795][  T396]  ____sys_sendmsg (net/socket.c:2713)
[   21.679797][  T396]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.679799][  T396]  ? sock_write_iter (net/socket.c:1269)
[   21.679801][  T396]  ? move_addr_to_kernel (net/socket.c:258)
[   21.679808][  T396]  ___sys_sendmsg (net/socket.c:2767)
[   21.679811][  T396]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.679826][  T396]  __sys_sendmsg (net/socket.c:2799)
[   21.679829][  T396]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.679835][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679838][  T396]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.679841][  T396]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.679844][  T396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.679846][  T396] RIP: 0033:0x7f773031854e
[   21.679850][  T396] 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
[   21.679851][  T396] RSP: 002b:00007fff3c4cc870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.679854][  T396] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f773031854e
[   21.679855][  T396] RDX: 0000000000000000 RSI: 00007fff3c4cc920 RDI: 0000000000000005
[   21.679856][  T396] RBP: 00007fff3c4cc880 R08: 0000000000000000 R09: 0000000000000000
[   21.679857][  T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c252
[   21.679858][  T396] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3c4ccfe0
| [   22.798518][  T419] softirqs last disabled at (16654): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.798521][  T419] Preemption disabled at:
| [   22.798521][  T419] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.798530][  T419] Tainted: [W]=WARN
[   22.798531][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.798533][  T419] Call Trace:
[   22.798534][  T419]  <TASK>
[   22.798535][  T419]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.798541][  T419]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.798543][  T419]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.798548][  T419]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.798552][  T419]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.798556][  T419]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.798558][  T419]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.798565][  T419]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.798567][  T419]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.798571][  T419]  put_chars (drivers/char/virtio_console.c:1176)
[   22.798573][  T419]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.798575][  T419]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.798578][  T419]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.798584][  T419]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.798591][  T419]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.798594][  T419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.798596][  T419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.798600][  T419]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.798604][  T419]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.798606][  T419]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.798609][  T419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.798611][  T419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.798615][  T419]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.798619][  T419]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.798621][  T419]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.798626][  T419]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.798629][  T419]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.798631][  T419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.798633][  T419]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.798636][  T419]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.798638][  T419]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.798641][  T419]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.798644][  T419]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.798646][  T419]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.798649][  T419]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.798652][  T419]  _printk (kernel/printk/printk.c:2504)
[   22.798656][  T419]  ? snapshot_read.cold (user.c:?)
[   22.798660][  T419]  ? br_multicast_flood (??:?)
[   22.798663][  T419]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.798665][  T419]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.798666][  T419]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.798670][  T419]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   22.798679][  T419]  br_init_port (net/bridge/br_stp_if.c:39)
[   22.798681][  T419]  new_nbp (net/bridge/br_if.c:449)
[   22.798685][  T419]  br_add_if (net/bridge/br_if.c:592)
[   22.798687][  T419]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.798691][  T419]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.798697][  T419]  do_set_master (net/core/rtnetlink.c:3071)
[   22.798701][  T419]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.798704][  T419]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.798707][  T419]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.798709][  T419]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.798712][  T419]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.798715][  T419]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.798717][  T419]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.798719][  T419]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.798721][  T419]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.798723][  T419]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.798725][  T419]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.798726][  T419]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.798728][  T419]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.798730][  T419]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.798733][  T419]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.798737][  T419]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.798739][  T419]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.798741][  T419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.798743][  T419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.798744][  T419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.798745][  T419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.798747][  T419]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.798749][  T419]  ? __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)
[   22.798752][  T419]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.798754][  T419]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.798757][  T419]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.798758][  T419]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.798763][  T419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.798765][  T419]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.798771][  T419]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.798776][  T419]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.798779][  T419]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.798783][  T419]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.798787][  T419]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.798789][  T419]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.798791][  T419]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.798795][  T419]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.798797][  T419]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.798800][  T419]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.798802][  T419]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.798806][  T419]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.798808][  T419]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.798812][  T419]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.798815][  T419]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.798818][  T419]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.798824][  T419]  ? 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))
[   22.798826][  T419]  ? 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))
[   22.798831][  T419]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.798835][  T419]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.798837][  T419]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.798842][  T419]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.798846][  T419]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.798849][  T419]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.798851][  T419]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.798856][  T419]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.798859][  T419]  ____sys_sendmsg (net/socket.c:2713)
[   22.798861][  T419]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.798864][  T419]  ? sock_write_iter (net/socket.c:1269)
[   22.798865][  T419]  ? move_addr_to_kernel (net/socket.c:258)
[   22.798873][  T419]  ___sys_sendmsg (net/socket.c:2767)
[   22.798876][  T419]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.798892][  T419]  __sys_sendmsg (net/socket.c:2799)
[   22.798895][  T419]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.798901][  T419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.798904][  T419]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.798907][  T419]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.798910][  T419]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.798912][  T419] RIP: 0033:0x7fc55a58354e
[   22.798916][  T419] 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
[   22.798918][  T419] RSP: 002b:00007fff83a274a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.798920][  T419] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc55a58354e
[   22.798922][  T419] RDX: 0000000000000000 RSI: 00007fff83a27550 RDI: 0000000000000005
[   22.798922][  T419] RBP: 00007fff83a274b0 R08: 0000000000000000 R09: 0000000000000000
[   22.798923][  T419] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c254
[   22.798924][  T419] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff83a27c20
| [   27.499669][   T71] softirqs last disabled at (173730): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   27.499671][   T71] Preemption disabled at:
| [   27.499672][   T71] 0x0
| [   27.499682][   T71] Tainted: [W]=WARN
[   27.499683][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.499684][   T71] Workqueue: netns cleanup_net
[   27.499687][   T71] Call Trace:
[   27.499689][   T71]  <TASK>
[   27.499691][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.499701][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.499706][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.499710][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.499714][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.499716][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.499723][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.499726][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.499729][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   27.499732][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.499739][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.499747][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.499750][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.499754][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.499759][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.499760][   T71]  ? 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))
[   27.499764][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.499767][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.499771][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.499775][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.499777][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.499783][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.499788][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.499790][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.499792][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.499796][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.499797][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.499800][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.499804][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.499805][   T71]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.499807][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.499809][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.499814][   T71]  _printk (kernel/printk/printk.c:2504)
[   27.499818][   T71]  ? snapshot_read.cold (user.c:?)
[   27.499826][   T71]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   27.499830][   T71]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   27.499834][   T71]  br_device_event (net/bridge/br.c:111)
[   27.499836][   T71]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   27.499840][   T71]  ? packet_sendmsg_spkt (af_packet.c:?)
[   27.499846][   T71]  notifier_call_chain (kernel/notifier.c:85)
[   27.499852][   T71]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   27.499855][   T71]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   27.499859][   T71]  ? __dev_close_many (net/core/dev.c:1804)
[   27.499862][   T71]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   27.499866][   T71]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   27.499868][   T71]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   27.499870][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.499872][   T71]  ? kthread (kernel/kthread.c:436)
[   27.499874][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   27.499877][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   27.499880][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   27.499888][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   27.499891][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   27.499893][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.499896][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.499901][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   27.499904][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.499907][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   27.499909][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.499912][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.499916][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   27.499920][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.499923][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.499925][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.499929][   T71]  process_one_work (kernel/workqueue.c:3387)
[   27.499935][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   27.499938][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.499946][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.499951][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.499953][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.499955][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.499958][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.499960][   T71]  kthread (kernel/kthread.c:436)
[   27.499962][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.499966][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.499968][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.499971][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   27.499975][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.499978][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.499981][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.104408][  T523] softirqs last disabled at (38498): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.104411][  T523] Preemption disabled at:
| [   30.104412][  T523] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.104420][  T523] Tainted: [W]=WARN
[   30.104421][  T523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.104422][  T523] Call Trace:
[   30.104424][  T523]  <TASK>
[   30.104425][  T523]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.104431][  T523]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.104433][  T523]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.104437][  T523]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.104442][  T523]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.104446][  T523]  __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))
[   30.104448][  T523]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.104454][  T523]  ? 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)
[   30.104457][  T523]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.104461][  T523]  put_chars (drivers/char/virtio_console.c:1176)
[   30.104464][  T523]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.104470][  T523]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.104478][  T523]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.104481][  T523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.104485][  T523]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.104490][  T523]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.104492][  T523]  ? 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))
[   30.104495][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.104497][  T523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.104501][  T523]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.104506][  T523]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.104508][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.104513][  T523]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.104516][  T523]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.104518][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.104519][  T523]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.104523][  T523]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.104525][  T523]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.104528][  T523]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.104531][  T523]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.104534][  T523]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   30.104539][  T523]  _printk (kernel/printk/printk.c:2504)
[   30.104542][  T523]  ? snapshot_read.cold (user.c:?)
[   30.104544][  T523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.104547][  T523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.104549][  T523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.104551][  T523]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.104555][  T523]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.104558][  T523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.104560][  T523]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.104563][  T523]  ? netdev_notice (net/core/dev.c:13194)
[   30.104566][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.104569][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.104572][  T523]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.104575][  T523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.104577][  T523]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.104579][  T523]  ? register_netdev (net/core/dev.c:11618)
[   30.104581][  T523]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   30.104586][  T523]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.104589][  T523]  ? __kernel_text_address (kernel/extable.c:79)
[   30.104591][  T523]  ? write_profile (profile.c:?)
[   30.104595][  T523]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.104601][  T523]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.104604][  T523]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.104606][  T523]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.104608][  T523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.104610][  T523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.104613][  T523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.104615][  T523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.104617][  T523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.104619][  T523]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.104621][  T523]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.104622][  T523]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.104623][  T523]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.104626][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.104627][  T523]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   30.104630][  T523]  ? ___sys_sendmsg (net/socket.c:2758)
[   30.104634][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.104636][  T523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.104639][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.104640][  T523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.104642][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.104643][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.104645][  T523]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.104647][  T523]  ? __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)
[   30.104648][  T523]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.104650][  T523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.104653][  T523]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.104654][  T523]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.104659][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.104662][  T523]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.104667][  T523]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.104672][  T523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.104674][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.104678][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.104680][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.104682][  T523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.104684][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.104688][  T523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.104690][  T523]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.104693][  T523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.104694][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.104699][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.104701][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.104709][  T523]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.104712][  T523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.104715][  T523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.104721][  T523]  ? 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))
[   30.104723][  T523]  ? 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))
[   30.104728][  T523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.104732][  T523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.104734][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.104739][  T523]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.104743][  T523]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.104746][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.104748][  T523]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.104753][  T523]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.104756][  T523]  ____sys_sendmsg (net/socket.c:2713)
[   30.104759][  T523]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.104761][  T523]  ? sock_write_iter (net/socket.c:1269)
[   30.104762][  T523]  ? move_addr_to_kernel (net/socket.c:258)
[   30.104770][  T523]  ___sys_sendmsg (net/socket.c:2767)
[   30.104773][  T523]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.104791][  T523]  __sys_sendmsg (net/socket.c:2799)
[   30.104794][  T523]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.104800][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.104803][  T523]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.104806][  T523]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.104809][  T523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.104811][  T523] RIP: 0033:0x7f63d90df54e
[   30.104815][  T523] 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
[   30.104817][  T523] RSP: 002b:00007ffddef61c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.104819][  T523] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f63d90df54e
[   30.104821][  T523] RDX: 0000000000000000 RSI: 00007ffddef61d40 RDI: 0000000000000005
[   30.104821][  T523] RBP: 00007ffddef61ca0 R08: 0000000000000000 R09: 0000000000000000
[   30.104822][  T523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c25b
[   30.104823][  T523] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddef62400
| [   30.495359][    C0]
| [   30.495360][    C0]
| [   30.495360][    C0] stack backtrace:
| [   30.495365][    C0] Tainted: [W]=WARN
[   30.495366][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.495367][    C0] Call Trace:
[   30.495369][    C0]  <IRQ>
[   30.495370][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.495374][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   30.495377][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.495378][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   30.495381][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.495383][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.495385][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.495387][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.495389][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   30.495391][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.495393][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.495395][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   30.495396][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   30.495398][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   30.495400][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.495402][    C0]  ? 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))
[   30.495404][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.495405][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.495407][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.495409][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.495411][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.495413][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.495415][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.495417][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.495418][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.495420][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.495422][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.495423][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.495425][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.495426][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   30.495428][    C0]  _printk (kernel/printk/printk.c:2504)
[   30.495430][    C0]  ? snapshot_read.cold (user.c:?)
[   30.495432][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   30.495433][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.495436][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   30.495437][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   30.495439][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   30.495441][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   30.495443][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.495444][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.495447][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.495449][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.495451][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.495453][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.495454][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   30.495457][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.495458][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.495461][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.495463][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.495465][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.495467][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.495470][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.495471][    C0]  handle_softirqs (kernel/softirq.c:645)
[   30.495473][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.495475][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.495477][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.495479][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   30.495480][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.495482][    C0]  </IRQ>
[   30.495482][    C0]  <TASK>
[   30.495483][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   30.495484][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.495486][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   30.495488][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 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 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  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 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  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
[   30.495490][    C0] RSP: 0018:ffffffff8e207cf8 EFLAGS: 00000296
[   30.495492][    C0] RAX: 0000000000120111 RBX: ffffffff8e230600 RCX: ffffffff8a906247
[   30.495493][    C0] RDX: ffffffff8e230600 RSI: ffffffff8db11011 RDI: ffffffff8d4949e0
[   30.495494][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   30.495495][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1c40fa2
[   30.495495][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   30.495497][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.495499][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.495501][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   30.495502][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   30.495503][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.495505][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   30.495507][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   30.495509][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.495511][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.495512][    C0]  do_idle (kernel/sched/idle.c:355)
[   30.495514][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   30.495515][    C0]  rest_init (init/main.c:727)
[   30.495517][    C0]  ? __cpuidle_text_end (??:?)
[   30.495519][    C0]  ? rest_init (init/main.c:727)
[   30.495521][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   30.495524][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   30.495526][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   30.495528][    C0]  start_kernel (init/main.c:1185)
[   30.495530][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   30.495531][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   30.495533][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   35.484536][  T583] softirqs last disabled at (0): 0x0
| [   35.484537][  T583] Preemption disabled at:
| [   35.484538][  T583] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.484548][  T583] Tainted: [W]=WARN
[   35.484549][  T583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.484551][  T583] Call Trace:
[   35.484552][  T583]  <TASK>
[   35.484553][  T583]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.484559][  T583]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.484560][  T583]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.484564][  T583]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.484567][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484569][  T583]  __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))
[   35.484572][  T583]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.484575][  T583]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.484580][  T583]  ? 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)
[   35.484582][  T583]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.484584][  T583]  put_chars (drivers/char/virtio_console.c:1176)
[   35.484586][  T583]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.484587][  T583]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   35.484589][  T583]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   35.484591][  T583]  ? pointer (lib/vsprintf.c:2577)
[   35.484595][  T583]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.484600][  T583]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.484601][  T583]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.484603][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.484605][  T583]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.484608][  T583]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.484610][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484611][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484612][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484613][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.484615][  T583]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   35.484617][  T583]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.484619][  T583]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.484622][  T583]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.484623][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.484625][  T583]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.484627][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484628][  T583]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.484629][  T583]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   35.484630][  T583]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   35.484632][  T583]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.484634][  T583]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.484635][  T583]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.484637][  T583]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.484638][  T583]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   35.484642][  T583]  _printk (kernel/printk/printk.c:2504)
[   35.484645][  T583]  ? snapshot_read.cold (user.c:?)
[   35.484646][  T583]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   35.484649][  T583]  ? __fib6_clean_all (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6_fib.c:2329 (discriminator 2))
[   35.484651][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484652][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.484653][  T583]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.484656][  T583]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.484658][  T583]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.484661][  T583]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.484663][  T583]  ? netdev_notice (net/core/dev.c:13194)
[   35.484665][  T583]  ? 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)
[   35.484667][  T583]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.484669][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484669][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484671][  T583]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.484672][  T583]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   35.484673][  T583]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   35.484675][  T583]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.484676][  T583]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.484678][  T583]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   35.484681][  T583]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.484684][  T583]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.484687][  T583]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.484689][  T583]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.484692][  T583]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.484693][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484694][  T583]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.484697][  T583]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.484699][  T583]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.484700][  T583]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.484701][  T583]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.484702][  T583]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   35.484703][  T583]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   35.484704][  T583]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.484705][  T583]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.484708][  T583]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.484710][  T583]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.484711][  T583]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.484713][  T583]  ? ____sys_sendmsg (net/socket.c:2713)
[   35.484715][  T583]  ? ___sys_sendmsg (net/socket.c:2767)
[   35.484716][  T583]  ? __sys_sendmsg (net/socket.c:2799)
[   35.484718][  T583]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.484720][  T583]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.484729][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484730][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.484732][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484733][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484734][  T583]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.484735][  T583]  ? __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)
[   35.484737][  T583]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.484738][  T583]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.484740][  T583]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.484741][  T583]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.484744][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484745][  T583]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.484747][  T583]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.484749][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484750][  T583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.484752][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.484753][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484754][  T583]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   35.484757][  T583]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   35.484758][  T583]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.484761][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484762][  T583]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.484765][  T583]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   35.484767][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484768][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.484770][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484771][  T583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.484772][  T583]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.484774][  T583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.484775][  T583]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.484777][  T583]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.484780][  T583]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.484781][  T583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.484783][  T583]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.484784][  T583]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.484788][  T583]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   35.484791][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484792][  T583]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.484794][  T583]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.484796][  T583]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.484798][  T583]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.484800][  T583]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.484802][  T583]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.484803][  T583]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.484805][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.484806][  T583]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   35.484810][  T583]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.484811][  T583]  ____sys_sendmsg (net/socket.c:2713)
[   35.484813][  T583]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.484815][  T583]  ? sock_write_iter (net/socket.c:1269)
[   35.484816][  T583]  ? move_addr_to_kernel (net/socket.c:258)
[   35.484818][  T583]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.484820][  T583]  ___sys_sendmsg (net/socket.c:2767)
[   35.484822][  T583]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.484827][  T583]  __sys_sendmsg (net/socket.c:2799)
[   35.484829][  T583]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.484831][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.484833][  T583]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.484835][  T583]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.484837][  T583]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.484838][  T583] RIP: 0033:0x7f727230554e
[   35.484840][  T583] 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
[   35.484841][  T583] RSP: 002b:00007ffc67c5a7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.484845][  T583] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f727230554e
[   35.484846][  T583] RDX: 0000000000000000 RSI: 00007ffc67c5a870 RDI: 0000000000000005
[   35.484847][  T583] RBP: 00007ffc67c5a7d0 R08: 0000000000000000 R09: 0000000000000000
[   35.484848][  T583] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c260
[   35.484849][  T583] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc67c5af30
| [   36.875845][  T677] softirqs last disabled at (0): 0x0
| [   36.875847][  T677] Preemption disabled at:
| [   36.875847][  T677] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.875857][  T677] Tainted: [W]=WARN
[   36.875858][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.875860][  T677] Call Trace:
[   36.875861][  T677]  <TASK>
[   36.875862][  T677]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.875867][  T677]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.875868][  T677]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.875872][  T677]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.875875][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.875878][  T677]  __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))
[   36.875881][  T677]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.875884][  T677]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.875889][  T677]  ? 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)
[   36.875890][  T677]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.875893][  T677]  put_chars (drivers/char/virtio_console.c:1176)
[   36.875894][  T677]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.875895][  T677]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   36.875897][  T677]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   36.875899][  T677]  ? pointer (lib/vsprintf.c:2577)
[   36.875903][  T677]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.875908][  T677]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.875909][  T677]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.875911][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.875914][  T677]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.875916][  T677]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.875918][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.875919][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.875920][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.875921][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.875923][  T677]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   36.875925][  T677]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.875927][  T677]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.875930][  T677]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.875932][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.875933][  T677]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.875935][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.875936][  T677]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.875937][  T677]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   36.875939][  T677]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   36.875940][  T677]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.875942][  T677]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.875943][  T677]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.875945][  T677]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.875947][  T677]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   36.875950][  T677]  _printk (kernel/printk/printk.c:2504)
[   36.875953][  T677]  ? snapshot_read.cold (user.c:?)
[   36.875954][  T677]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   36.875957][  T677]  ? __fib6_clean_all (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6_fib.c:2329 (discriminator 2))
[   36.875959][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.875960][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.875961][  T677]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.875964][  T677]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.875966][  T677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.875969][  T677]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.875971][  T677]  ? netdev_notice (net/core/dev.c:13194)
[   36.875973][  T677]  ? 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)
[   36.875975][  T677]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.875976][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.875977][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.875978][  T677]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.875980][  T677]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   36.875981][  T677]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   36.875983][  T677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.875984][  T677]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   36.875986][  T677]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   36.875989][  T677]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   36.875992][  T677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   36.875995][  T677]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.875997][  T677]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.875999][  T677]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.876001][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876002][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   36.876005][  T677]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.876007][  T677]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.876008][  T677]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.876009][  T677]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.876010][  T677]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   36.876011][  T677]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   36.876012][  T677]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.876013][  T677]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.876016][  T677]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.876017][  T677]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.876019][  T677]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   36.876021][  T677]  ? ____sys_sendmsg (net/socket.c:2713)
[   36.876022][  T677]  ? ___sys_sendmsg (net/socket.c:2767)
[   36.876024][  T677]  ? __sys_sendmsg (net/socket.c:2799)
[   36.876025][  T677]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.876028][  T677]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.876030][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876031][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.876033][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876034][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876035][  T677]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.876036][  T677]  ? __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)
[   36.876038][  T677]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.876039][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.876041][  T677]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.876041][  T677]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.876045][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876046][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.876048][  T677]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.876050][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876051][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.876052][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.876054][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876055][  T677]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   36.876057][  T677]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   36.876058][  T677]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.876061][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876062][  T677]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   36.876065][  T677]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   36.876067][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876068][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.876070][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876071][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.876072][  T677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.876074][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.876075][  T677]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   36.876077][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   36.876079][  T677]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.876081][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.876082][  T677]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.876083][  T677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.876085][  T677]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   36.876088][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876089][  T677]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.876091][  T677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.876093][  T677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.876095][  T677]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.876097][  T677]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.876099][  T677]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.876100][  T677]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.876102][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.876103][  T677]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   36.876106][  T677]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   36.876108][  T677]  ____sys_sendmsg (net/socket.c:2713)
[   36.876110][  T677]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.876111][  T677]  ? sock_write_iter (net/socket.c:1269)
[   36.876113][  T677]  ? move_addr_to_kernel (net/socket.c:258)
[   36.876114][  T677]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   36.876117][  T677]  ___sys_sendmsg (net/socket.c:2767)
[   36.876118][  T677]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.876123][  T677]  __sys_sendmsg (net/socket.c:2799)
[   36.876125][  T677]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.876128][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.876129][  T677]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.876131][  T677]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.876133][  T677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.876134][  T677] RIP: 0033:0x7f96f84cd54e
[   36.876136][  T677] 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
[   36.876137][  T677] RSP: 002b:00007ffe459c02f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.876141][  T677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f96f84cd54e
[   36.876142][  T677] RDX: 0000000000000000 RSI: 00007ffe459c03a0 RDI: 0000000000000005
[   36.876143][  T677] RBP: 00007ffe459c0300 R08: 0000000000000000 R09: 0000000000000000
[   36.876144][  T677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c262
[   36.876145][  T677] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe459c0a60
| [   39.356713][  T819] softirqs last disabled at (0): 0x0
| [   39.356714][  T819] Preemption disabled at:
| [   39.356715][  T819] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.356725][  T819] Tainted: [W]=WARN
[   39.356726][  T819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.356728][  T819] Call Trace:
[   39.356729][  T819]  <TASK>
[   39.356730][  T819]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.356736][  T819]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.356740][  T819]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.356745][  T819]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.356748][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356750][  T819]  __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))
[   39.356753][  T819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.356756][  T819]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.356761][  T819]  ? 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)
[   39.356763][  T819]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.356766][  T819]  put_chars (drivers/char/virtio_console.c:1176)
[   39.356767][  T819]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.356768][  T819]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   39.356771][  T819]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   39.356773][  T819]  ? pointer (lib/vsprintf.c:2577)
[   39.356776][  T819]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.356781][  T819]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.356783][  T819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.356787][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.356790][  T819]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.356793][  T819]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.356795][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356796][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356797][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356798][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.356800][  T819]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.356802][  T819]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.356804][  T819]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.356807][  T819]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.356809][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.356810][  T819]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.356812][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356813][  T819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.356815][  T819]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   39.356816][  T819]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   39.356818][  T819]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.356820][  T819]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.356821][  T819]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.356823][  T819]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.356824][  T819]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   39.356827][  T819]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   39.356829][  T819]  _printk (kernel/printk/printk.c:2504)
[   39.356832][  T819]  ? snapshot_read.cold (user.c:?)
[   39.356834][  T819]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   39.356836][  T819]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.356840][  T819]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.356842][  T819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.356844][  T819]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.356847][  T819]  ? netdev_notice (net/core/dev.c:13194)
[   39.356849][  T819]  ? 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)
[   39.356851][  T819]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[   39.356854][  T819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.356855][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356856][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356857][  T819]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.356860][  T819]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   39.356862][  T819]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   39.356863][  T819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.356864][  T819]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.356866][  T819]  ? register_netdev (net/core/dev.c:11618)
[   39.356867][  T819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.356870][  T819]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.356872][  T819]  ? __kernel_text_address (kernel/extable.c:79)
[   39.356875][  T819]  ? write_profile (profile.c:?)
[   39.356878][  T819]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.356881][  T819]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.356883][  T819]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.356885][  T819]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.356886][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356887][  T819]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.356890][  T819]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.356892][  T819]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.356893][  T819]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.356894][  T819]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.356895][  T819]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   39.356896][  T819]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   39.356897][  T819]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.356898][  T819]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.356901][  T819]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.356903][  T819]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.356904][  T819]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.356907][  T819]  ? ____sys_sendmsg (net/socket.c:2713)
[   39.356908][  T819]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.356910][  T819]  ? __sys_sendmsg (net/socket.c:2799)
[   39.356911][  T819]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.356913][  T819]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.356916][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356917][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.356918][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356919][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356920][  T819]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.356922][  T819]  ? __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)
[   39.356923][  T819]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.356924][  T819]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.356926][  T819]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.356927][  T819]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.356930][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356931][  T819]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.356933][  T819]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.356935][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356936][  T819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.356937][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.356939][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356940][  T819]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.356942][  T819]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.356944][  T819]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.356945][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356946][  T819]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.356949][  T819]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   39.356952][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356953][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.356954][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356955][  T819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.356957][  T819]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.356958][  T819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.356960][  T819]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.356961][  T819]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.356963][  T819]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.356965][  T819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.356966][  T819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.356968][  T819]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.356969][  T819]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.356972][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.356973][  T819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.356975][  T819]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.356977][  T819]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.356979][  T819]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.356981][  T819]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.356983][  T819]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.356985][  T819]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.356986][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.356988][  T819]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   39.356991][  T819]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.356992][  T819]  ____sys_sendmsg (net/socket.c:2713)
[   39.356994][  T819]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.356996][  T819]  ? sock_write_iter (net/socket.c:1269)
[   39.356997][  T819]  ? move_addr_to_kernel (net/socket.c:258)
[   39.356998][  T819]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.357001][  T819]  ___sys_sendmsg (net/socket.c:2767)
[   39.357003][  T819]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.357007][  T819]  __sys_sendmsg (net/socket.c:2799)
[   39.357009][  T819]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.357012][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.357013][  T819]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.357015][  T819]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.357017][  T819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.357018][  T819] RIP: 0033:0x7f3ac8a6654e
[   39.357020][  T819] 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
[   39.357022][  T819] RSP: 002b:00007ffe760a7b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.357025][  T819] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3ac8a6654e
[   39.357027][  T819] RDX: 0000000000000000 RSI: 00007ffe760a7c10 RDI: 0000000000000005
[   39.357028][  T819] RBP: 00007ffe760a7b70 R08: 0000000000000000 R09: 0000000000000000
[   39.357028][  T819] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c264
[   39.357029][  T819] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe760a82d0
| [   45.784071][  T921] softirqs last disabled at (0): 0x0
| [   45.784073][  T921] Preemption disabled at:
| [   45.784074][  T921] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.784084][  T921] Tainted: [W]=WARN
[   45.784085][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.784087][  T921] Call Trace:
[   45.784088][  T921]  <TASK>
[   45.784089][  T921]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.784095][  T921]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.784096][  T921]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.784100][  T921]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.784103][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784106][  T921]  __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))
[   45.784109][  T921]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.784112][  T921]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.784116][  T921]  ? 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)
[   45.784118][  T921]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.784121][  T921]  put_chars (drivers/char/virtio_console.c:1176)
[   45.784122][  T921]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.784123][  T921]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   45.784126][  T921]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   45.784128][  T921]  ? pointer (lib/vsprintf.c:2577)
[   45.784131][  T921]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.784136][  T921]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.784137][  T921]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.784139][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.784142][  T921]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.784144][  T921]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.784146][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784147][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784148][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784149][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.784151][  T921]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.784153][  T921]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.784155][  T921]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.784158][  T921]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.784160][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.784161][  T921]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.784163][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784164][  T921]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.784165][  T921]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   45.784167][  T921]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   45.784168][  T921]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.784170][  T921]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.784172][  T921]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.784173][  T921]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.784174][  T921]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[   45.784177][  T921]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.784180][  T921]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   45.784182][  T921]  _printk (kernel/printk/printk.c:2504)
[   45.784185][  T921]  ? snapshot_read.cold (user.c:?)
[   45.784186][  T921]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   45.784189][  T921]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.784192][  T921]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.784194][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.784197][  T921]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.784199][  T921]  ? netdev_notice (net/core/dev.c:13194)
[   45.784201][  T921]  ? 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)
[   45.784203][  T921]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[   45.784205][  T921]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.784207][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784208][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784209][  T921]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.784210][  T921]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   45.784211][  T921]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   45.784213][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.784214][  T921]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.784216][  T921]  ? register_netdev (net/core/dev.c:11618)
[   45.784217][  T921]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.784219][  T921]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.784221][  T921]  ? __kernel_text_address (kernel/extable.c:79)
[   45.784223][  T921]  ? write_profile (profile.c:?)
[   45.784226][  T921]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.784230][  T921]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.784231][  T921]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.784233][  T921]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.784234][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784235][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.784239][  T921]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.784240][  T921]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.784241][  T921]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.784243][  T921]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.784244][  T921]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   45.784245][  T921]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   45.784246][  T921]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.784247][  T921]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.784250][  T921]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.784251][  T921]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.784253][  T921]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.784255][  T921]  ? ____sys_sendmsg (net/socket.c:2713)
[   45.784256][  T921]  ? ___sys_sendmsg (net/socket.c:2767)
[   45.784258][  T921]  ? __sys_sendmsg (net/socket.c:2799)
[   45.784260][  T921]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.784262][  T921]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.784264][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784265][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.784267][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784268][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784269][  T921]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.784270][  T921]  ? __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)
[   45.784272][  T921]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.784273][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.784274][  T921]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.784275][  T921]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.784279][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784280][  T921]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.784282][  T921]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.784284][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784285][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.784286][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.784287][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784289][  T921]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   45.784291][  T921]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.784292][  T921]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.784293][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784294][  T921]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   45.784298][  T921]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   45.784300][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784301][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.784302][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784304][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.784305][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.784306][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.784308][  T921]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.784309][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.784311][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.784313][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.784314][  T921]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.784316][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.784317][  T921]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   45.784320][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784321][  T921]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.784323][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.784325][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.784327][  T921]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.784329][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.784331][  T921]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.784333][  T921]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.784334][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.784336][  T921]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   45.784339][  T921]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.784341][  T921]  ____sys_sendmsg (net/socket.c:2713)
[   45.784342][  T921]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.784344][  T921]  ? sock_write_iter (net/socket.c:1269)
[   45.784345][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   45.784347][  T921]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.784349][  T921]  ___sys_sendmsg (net/socket.c:2767)
[   45.784351][  T921]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.784356][  T921]  __sys_sendmsg (net/socket.c:2799)
[   45.784358][  T921]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.784360][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.784362][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.784364][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.784365][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.784367][  T921] RIP: 0033:0x7f9d6659d54e
[   45.784369][  T921] 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
[   45.784370][  T921] RSP: 002b:00007ffdb2ed9b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.784374][  T921] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9d6659d54e
[   45.784376][  T921] RDX: 0000000000000000 RSI: 00007ffdb2ed9bb0 RDI: 0000000000000005
[   45.784377][  T921] RBP: 00007ffdb2ed9b10 R08: 0000000000000000 R09: 0000000000000000
[   45.784377][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c26b
[   45.784378][  T921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb2eda270
| [   52.270415][ T1030] softirqs last disabled at (0): 0x0
| [   52.270417][ T1030] Preemption disabled at:
| [   52.270418][ T1030] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.270427][ T1030] Tainted: [W]=WARN
[   52.270428][ T1030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.270430][ T1030] Call Trace:
[   52.270431][ T1030]  <TASK>
[   52.270432][ T1030]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.270438][ T1030]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.270439][ T1030]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.270443][ T1030]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.270446][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270449][ T1030]  __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))
[   52.270452][ T1030]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.270455][ T1030]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.270460][ T1030]  ? 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)
[   52.270461][ T1030]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.270464][ T1030]  put_chars (drivers/char/virtio_console.c:1176)
[   52.270465][ T1030]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.270466][ T1030]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   52.270468][ T1030]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   52.270470][ T1030]  ? pointer (lib/vsprintf.c:2577)
[   52.270474][ T1030]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.270479][ T1030]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.270480][ T1030]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.270482][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.270485][ T1030]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.270487][ T1030]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.270489][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270490][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270491][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270492][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.270494][ T1030]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   52.270496][ T1030]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.270498][ T1030]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.270501][ T1030]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.270502][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.270504][ T1030]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.270506][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270506][ T1030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.270508][ T1030]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   52.270509][ T1030]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   52.270511][ T1030]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.270513][ T1030]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.270514][ T1030]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.270516][ T1030]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.270517][ T1030]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[   52.270519][ T1030]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.270522][ T1030]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   52.270524][ T1030]  _printk (kernel/printk/printk.c:2504)
[   52.270527][ T1030]  ? snapshot_read.cold (user.c:?)
[   52.270529][ T1030]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   52.270531][ T1030]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.270534][ T1030]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.270536][ T1030]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.270540][ T1030]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.270542][ T1030]  ? netdev_notice (net/core/dev.c:13194)
[   52.270544][ T1030]  ? 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)
[   52.270545][ T1030]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[   52.270548][ T1030]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.270550][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270551][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270552][ T1030]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.270553][ T1030]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   52.270554][ T1030]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   52.270556][ T1030]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.270557][ T1030]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.270558][ T1030]  ? register_netdev (net/core/dev.c:11618)
[   52.270560][ T1030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.270562][ T1030]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.270564][ T1030]  ? __kernel_text_address (kernel/extable.c:79)
[   52.270566][ T1030]  ? write_profile (profile.c:?)
[   52.270569][ T1030]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.270573][ T1030]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.270574][ T1030]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.270576][ T1030]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.270577][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270578][ T1030]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   52.270582][ T1030]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.270583][ T1030]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.270584][ T1030]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.270585][ T1030]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.270586][ T1030]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   52.270587][ T1030]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   52.270588][ T1030]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.270590][ T1030]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.270592][ T1030]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.270594][ T1030]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.270595][ T1030]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.270598][ T1030]  ? ____sys_sendmsg (net/socket.c:2713)
[   52.270599][ T1030]  ? ___sys_sendmsg (net/socket.c:2767)
[   52.270601][ T1030]  ? __sys_sendmsg (net/socket.c:2799)
[   52.270602][ T1030]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.270604][ T1030]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.270607][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270608][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.270609][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270610][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270611][ T1030]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.270613][ T1030]  ? __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)
[   52.270614][ T1030]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.270615][ T1030]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.270617][ T1030]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.270617][ T1030]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.270621][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270622][ T1030]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.270624][ T1030]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.270626][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270627][ T1030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.270628][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.270629][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270631][ T1030]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   52.270633][ T1030]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   52.270634][ T1030]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   52.270635][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270636][ T1030]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   52.270640][ T1030]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   52.270642][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270643][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.270645][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270646][ T1030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.270647][ T1030]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.270649][ T1030]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.270650][ T1030]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   52.270651][ T1030]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   52.270654][ T1030]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.270655][ T1030]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.270657][ T1030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.270658][ T1030]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.270660][ T1030]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   52.270662][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270664][ T1030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.270665][ T1030]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.270668][ T1030]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.270669][ T1030]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.270671][ T1030]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.270673][ T1030]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.270675][ T1030]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   52.270676][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.270678][ T1030]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.270681][ T1030]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.270682][ T1030]  ____sys_sendmsg (net/socket.c:2713)
[   52.270684][ T1030]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.270686][ T1030]  ? sock_write_iter (net/socket.c:1269)
[   52.270687][ T1030]  ? move_addr_to_kernel (net/socket.c:258)
[   52.270688][ T1030]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   52.270691][ T1030]  ___sys_sendmsg (net/socket.c:2767)
[   52.270693][ T1030]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.270697][ T1030]  __sys_sendmsg (net/socket.c:2799)
[   52.270699][ T1030]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.270702][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.270703][ T1030]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.270705][ T1030]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.270707][ T1030]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.270708][ T1030] RIP: 0033:0x7f6f34f5e54e
[   52.270710][ T1030] 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
[   52.270711][ T1030] RSP: 002b:00007ffc14f11210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.270715][ T1030] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6f34f5e54e
[   52.270716][ T1030] RDX: 0000000000000000 RSI: 00007ffc14f112c0 RDI: 0000000000000005
[   52.270717][ T1030] RBP: 00007ffc14f11220 R08: 0000000000000000 R09: 0000000000000000
[   52.270718][ T1030] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c271
[   52.270719][ T1030] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc14f11980
| [   57.468516][ T1092] softirqs last disabled at (0): 0x0
| [   57.468518][ T1092] Preemption disabled at:
| [   57.468519][ T1092] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.468528][ T1092] Tainted: [W]=WARN
[   57.468529][ T1092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.468530][ T1092] Call Trace:
[   57.468532][ T1092]  <TASK>
[   57.468533][ T1092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.468538][ T1092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.468539][ T1092]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.468543][ T1092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.468546][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468549][ T1092]  __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))
[   57.468552][ T1092]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.468555][ T1092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.468559][ T1092]  ? 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)
[   57.468561][ T1092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.468563][ T1092]  put_chars (drivers/char/virtio_console.c:1176)
[   57.468565][ T1092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.468566][ T1092]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   57.468568][ T1092]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   57.468570][ T1092]  ? pointer (lib/vsprintf.c:2577)
[   57.468574][ T1092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.468579][ T1092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.468580][ T1092]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.468582][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.468584][ T1092]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.468587][ T1092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.468589][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468590][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468591][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468592][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.468594][ T1092]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   57.468596][ T1092]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.468598][ T1092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.468601][ T1092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.468603][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.468604][ T1092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.468606][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468607][ T1092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.468608][ T1092]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   57.468610][ T1092]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   57.468611][ T1092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.468613][ T1092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.468614][ T1092]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.468616][ T1092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.468618][ T1092]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   57.468621][ T1092]  _printk (kernel/printk/printk.c:2504)
[   57.468624][ T1092]  ? snapshot_read.cold (user.c:?)
[   57.468625][ T1092]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   57.468628][ T1092]  ? __fib6_clean_all (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6_fib.c:2329 (discriminator 2))
[   57.468630][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468631][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.468632][ T1092]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   57.468635][ T1092]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   57.468637][ T1092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.468639][ T1092]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   57.468642][ T1092]  ? netdev_notice (net/core/dev.c:13194)
[   57.468644][ T1092]  ? 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)
[   57.468645][ T1092]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.468647][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468648][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468649][ T1092]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.468650][ T1092]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   57.468652][ T1092]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   57.468653][ T1092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.468654][ T1092]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   57.468656][ T1092]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   57.468659][ T1092]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   57.468662][ T1092]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.468665][ T1092]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.468667][ T1092]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   57.468670][ T1092]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   57.468671][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468672][ T1092]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   57.468675][ T1092]  ? kasan_save_stack (mm/kasan/common.c:58)
[   57.468677][ T1092]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.468678][ T1092]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.468679][ T1092]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   57.468680][ T1092]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   57.468681][ T1092]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   57.468682][ T1092]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.468683][ T1092]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.468686][ T1092]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.468688][ T1092]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.468689][ T1092]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   57.468691][ T1092]  ? ____sys_sendmsg (net/socket.c:2713)
[   57.468693][ T1092]  ? ___sys_sendmsg (net/socket.c:2767)
[   57.468694][ T1092]  ? __sys_sendmsg (net/socket.c:2799)
[   57.468696][ T1092]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.468698][ T1092]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.468701][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468702][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.468703][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468704][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468705][ T1092]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   57.468707][ T1092]  ? __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)
[   57.468708][ T1092]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.468710][ T1092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.468711][ T1092]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   57.468712][ T1092]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.468715][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468717][ T1092]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   57.468719][ T1092]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.468720][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468721][ T1092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.468723][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.468724][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468725][ T1092]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   57.468727][ T1092]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   57.468729][ T1092]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   57.468731][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468732][ T1092]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   57.468736][ T1092]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   57.468738][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468739][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.468741][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468742][ T1092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.468743][ T1092]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.468745][ T1092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.468746][ T1092]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   57.468748][ T1092]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   57.468750][ T1092]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.468751][ T1092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.468753][ T1092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.468754][ T1092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.468756][ T1092]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   57.468759][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468760][ T1092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.468762][ T1092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.468764][ T1092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.468765][ T1092]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.468767][ T1092]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.468769][ T1092]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.468771][ T1092]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   57.468772][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.468774][ T1092]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   57.468777][ T1092]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   57.468779][ T1092]  ____sys_sendmsg (net/socket.c:2713)
[   57.468780][ T1092]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.468782][ T1092]  ? sock_write_iter (net/socket.c:1269)
[   57.468783][ T1092]  ? move_addr_to_kernel (net/socket.c:258)
[   57.468788][ T1092]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   57.468790][ T1092]  ___sys_sendmsg (net/socket.c:2767)
[   57.468792][ T1092]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.468797][ T1092]  __sys_sendmsg (net/socket.c:2799)
[   57.468799][ T1092]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.468801][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.468803][ T1092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.468809][ T1092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.468811][ T1092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.468813][ T1092] RIP: 0033:0x7f791397654e
[   57.468814][ T1092] 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
[   57.468816][ T1092] RSP: 002b:00007ffe1c5949b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.468820][ T1092] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f791397654e
[   57.468821][ T1092] RDX: 0000000000000000 RSI: 00007ffe1c594a60 RDI: 0000000000000005
[   57.468822][ T1092] RBP: 00007ffe1c5949c0 R08: 0000000000000000 R09: 0000000000000000
[   57.468823][ T1092] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c276
[   57.468823][ T1092] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1c595120
| [   58.951322][ T1190] softirqs last disabled at (0): 0x0
| [   58.951324][ T1190] Preemption disabled at:
| [   58.951325][ T1190] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.951335][ T1190] Tainted: [W]=WARN
[   58.951336][ T1190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.951338][ T1190] Call Trace:
[   58.951339][ T1190]  <TASK>
[   58.951340][ T1190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.951346][ T1190]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.951347][ T1190]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.951351][ T1190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.951355][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951357][ T1190]  __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))
[   58.951360][ T1190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.951363][ T1190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.951368][ T1190]  ? 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)
[   58.951370][ T1190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.951372][ T1190]  put_chars (drivers/char/virtio_console.c:1176)
[   58.951374][ T1190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.951375][ T1190]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   58.951377][ T1190]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   58.951380][ T1190]  ? pointer (lib/vsprintf.c:2577)
[   58.951383][ T1190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.951388][ T1190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.951389][ T1190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.951391][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.951394][ T1190]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.951397][ T1190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.951399][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951400][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951401][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951402][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.951403][ T1190]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   58.951405][ T1190]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.951408][ T1190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.951410][ T1190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.951412][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.951414][ T1190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.951416][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951416][ T1190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   58.951418][ T1190]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   58.951419][ T1190]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   58.951421][ T1190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.951423][ T1190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.951424][ T1190]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.951426][ T1190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.951427][ T1190]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   58.951431][ T1190]  _printk (kernel/printk/printk.c:2504)
[   58.951434][ T1190]  ? snapshot_read.cold (user.c:?)
[   58.951435][ T1190]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   58.951438][ T1190]  ? __fib6_clean_all (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6_fib.c:2329 (discriminator 2))
[   58.951440][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951441][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.951442][ T1190]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.951445][ T1190]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.951447][ T1190]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.951450][ T1190]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.951452][ T1190]  ? netdev_notice (net/core/dev.c:13194)
[   58.951454][ T1190]  ? 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)
[   58.951456][ T1190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.951458][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951459][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951460][ T1190]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.951461][ T1190]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   58.951463][ T1190]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   58.951464][ T1190]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.951465][ T1190]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   58.951467][ T1190]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   58.951471][ T1190]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   58.951473][ T1190]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   58.951477][ T1190]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.951479][ T1190]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.951481][ T1190]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.951483][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951484][ T1190]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   58.951487][ T1190]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.951489][ T1190]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.951490][ T1190]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.951491][ T1190]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   58.951492][ T1190]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   58.951493][ T1190]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   58.951494][ T1190]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.951495][ T1190]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.951498][ T1190]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.951500][ T1190]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.951501][ T1190]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   58.951504][ T1190]  ? ____sys_sendmsg (net/socket.c:2713)
[   58.951505][ T1190]  ? ___sys_sendmsg (net/socket.c:2767)
[   58.951507][ T1190]  ? __sys_sendmsg (net/socket.c:2799)
[   58.951509][ T1190]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.951511][ T1190]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.951514][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951515][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.951516][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951517][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951518][ T1190]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.951520][ T1190]  ? __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)
[   58.951521][ T1190]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.951522][ T1190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.951524][ T1190]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.951525][ T1190]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.951528][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951529][ T1190]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.951531][ T1190]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.951533][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951534][ T1190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.951535][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.951537][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951538][ T1190]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   58.951541][ T1190]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   58.951542][ T1190]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   58.951544][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951545][ T1190]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   58.951549][ T1190]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   58.951551][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951552][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.951553][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951554][ T1190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.951556][ T1190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.951557][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.951559][ T1190]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   58.951560][ T1190]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   58.951562][ T1190]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.951564][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.951565][ T1190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   58.951567][ T1190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.951568][ T1190]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   58.951571][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951572][ T1190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   58.951574][ T1190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.951576][ T1190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.951578][ T1190]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.951580][ T1190]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.951582][ T1190]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.951583][ T1190]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   58.951585][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.951586][ T1190]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   58.951590][ T1190]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   58.951591][ T1190]  ____sys_sendmsg (net/socket.c:2713)
[   58.951593][ T1190]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.951595][ T1190]  ? sock_write_iter (net/socket.c:1269)
[   58.951596][ T1190]  ? move_addr_to_kernel (net/socket.c:258)
[   58.951597][ T1190]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   58.951600][ T1190]  ___sys_sendmsg (net/socket.c:2767)
[   58.951602][ T1190]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.951606][ T1190]  __sys_sendmsg (net/socket.c:2799)
[   58.951608][ T1190]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.951611][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.951612][ T1190]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.951614][ T1190]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.951616][ T1190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.951617][ T1190] RIP: 0033:0x7fef7c57054e
[   58.951619][ T1190] 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
[   58.951621][ T1190] RSP: 002b:00007ffd243178a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.951624][ T1190] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fef7c57054e
[   58.951626][ T1190] RDX: 0000000000000000 RSI: 00007ffd24317950 RDI: 0000000000000005
[   58.951626][ T1190] RBP: 00007ffd243178b0 R08: 0000000000000000 R09: 0000000000000000
[   58.951627][ T1190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c278


Finger prints:
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print