======================================
| [   10.018133][  T181] softirqs last disabled at (28199): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.018136][  T181] Preemption disabled at:
| [   10.018136][  T181] 0x0
| [   10.018147][  T181] Tainted: [W]=WARN
[   10.018148][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.018149][  T181] Call Trace:
[   10.018151][  T181]  <TASK>
[   10.018152][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.018158][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.018163][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.018166][  T181]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.018171][  T181]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.018174][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.018180][  T181]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.018183][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.018186][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[   10.018189][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.018196][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.018203][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.018205][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.018210][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.018214][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.018215][  T181]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.018218][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.018222][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.018226][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.018229][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.018230][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.018236][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.018238][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.018240][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.018241][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.018245][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.018247][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.018250][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.018253][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.018256][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.018260][  T181]  _printk (kernel/printk/printk.c:2504)
[   10.018264][  T181]  ? snapshot_read.cold (user.c:?)
[   10.018267][  T181]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.018270][  T181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.018274][  T181]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.018277][  T181]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.018280][  T181]  ? exit_notify (kernel/exit.c:780)
[   10.018282][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.018285][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.018289][  T181]  do_group_exit (kernel/exit.c:1151)
[   10.018292][  T181]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.018294][  T181]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.018296][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.018300][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.018303][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.018306][  T181] RIP: 0033:0x7f21538b51b8
[   10.018308][  T181] Code: Unable to access opcode bytes at 0x7f21538b518e.

Code starting with the faulting instruction
===========================================
[   10.018309][  T181] RSP: 002b:00007ffc1fa918c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.018311][  T181] RAX: ffffffffffffffda RBX: 00007f21539e5f88 RCX: 00007f21538b51b8
[   10.018313][  T181] RDX: 00007f21535fffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.018313][  T181] RBP: 00007ffc1fa91920 R08: 0000000000000000 R09: 0000000000000050
[   10.018314][  T181] R10: 00007ffc1fa916e0 R11: 0000000000000246 R12: 0000000000000001
[   10.018315][  T181] R13: 0000000000000000 R14: 00007f21539e4680 R15: 00007f21539e5fa0
| [   11.791112][  T242] softirqs last disabled at (18304): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.791115][  T242] Preemption disabled at:
| [   11.791116][  T242] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.791125][  T242] Tainted: [W]=WARN
[   11.791126][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.791127][  T242] Call Trace:
[   11.791129][  T242]  <TASK>
[   11.791130][  T242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.791135][  T242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.791137][  T242]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.791142][  T242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.791145][  T242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.791150][  T242]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.791153][  T242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.791159][  T242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.791162][  T242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.791165][  T242]  put_chars (drivers/char/virtio_console.c:1176)
[   11.791168][  T242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.791173][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.791178][  T242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.791181][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.791183][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.791188][  T242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.791191][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.791195][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.791199][  T242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.791202][  T242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.791204][  T242]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.791207][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.791209][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.791213][  T242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.791217][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.791218][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.791224][  T242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.791226][  T242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.791228][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.791230][  T242]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.791234][  T242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.791236][  T242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.791239][  T242]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.791242][  T242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.791244][  T242]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.791249][  T242]  _printk (kernel/printk/printk.c:2504)
[   11.791252][  T242]  ? snapshot_read.cold (user.c:?)
[   11.791256][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.791258][  T242]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.791262][  T242]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.791264][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.791267][  T242]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.791269][  T242]  ? netdev_notice (net/core/dev.c:13194)
[   11.791272][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.791275][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.791278][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.791282][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.791284][  T242]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.791287][  T242]  ? 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))
[   11.791293][  T242]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.791296][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   11.791299][  T242]  ? write_profile (profile.c:?)
[   11.791303][  T242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.791308][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.791312][  T242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.791314][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.791316][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.791319][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.791322][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.791325][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.791327][  T242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.791330][  T242]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.791333][  T242]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.791334][  T242]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.791337][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.791340][  T242]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   11.791342][  T242]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   11.791348][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.791350][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.791353][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.791355][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.791357][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.791358][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.791360][  T242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.791363][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.791366][  T242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.791369][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.791372][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.791374][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.791385][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.791391][  T242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.791397][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.791399][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.791404][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.791407][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.791409][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.791411][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.791415][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.791418][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.791421][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.791422][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.791427][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.791430][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.791434][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.791435][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.791439][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.791446][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.791447][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.791452][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.791456][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.791459][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   11.791464][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.791468][  T242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.791470][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.791473][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.791477][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.791481][  T242]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.791483][  T242]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.791486][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.791487][  T242]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   11.791495][  T242]  ___sys_sendmsg (net/socket.c:2767)
[   11.791498][  T242]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.791514][  T242]  __sys_sendmsg (net/socket.c:2799)
[   11.791517][  T242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.791523][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.791527][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.791529][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.791533][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.791535][  T242] RIP: 0033:0x7f55f04c354e
[   11.791539][  T242] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.791540][  T242] RSP: 002b:00007ffd6fa24f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.791543][  T242] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f55f04c354e
[   11.791544][  T242] RDX: 0000000000000000 RSI: 00007ffd6fa25010 RDI: 0000000000000005
[   11.791545][  T242] RBP: 00007ffd6fa24f70 R08: 0000000000000000 R09: 0000000000000000
[   11.791546][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b816
[   11.791547][  T242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6fa256e0
| [   12.851623][  T284] softirqs last disabled at (16224): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.851626][  T284] Preemption disabled at:
| [   12.851627][  T284] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.851636][  T284] Tainted: [W]=WARN
[   12.851636][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.851638][  T284] Call Trace:
[   12.851640][  T284]  <TASK>
[   12.851641][  T284]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.851646][  T284]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.851648][  T284]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.851653][  T284]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.851656][  T284]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.851661][  T284]  __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))
[   12.851664][  T284]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.851670][  T284]  ? 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)
[   12.851673][  T284]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.851676][  T284]  put_chars (drivers/char/virtio_console.c:1176)
[   12.851679][  T284]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.851683][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.851687][  T284]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.851691][  T284]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.851695][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.851696][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.851701][  T284]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.851705][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.851708][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.851712][  T284]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.851716][  T284]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.851717][  T284]  ? 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))
[   12.851720][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.851722][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.851726][  T284]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.851730][  T284]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.851732][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.851737][  T284]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.851740][  T284]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.851741][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.851743][  T284]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.851747][  T284]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.851749][  T284]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.851752][  T284]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.851755][  T284]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.851757][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.851760][  T284]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   12.851762][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   12.851766][  T284]  _printk (kernel/printk/printk.c:2504)
[   12.851770][  T284]  ? snapshot_read.cold (user.c:?)
[   12.851771][  T284]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.851774][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.851776][  T284]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.851779][  T284]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.851782][  T284]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.851785][  T284]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.851787][  T284]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.851790][  T284]  ? netdev_notice (net/core/dev.c:13194)
[   12.851793][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.851796][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.851806][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.851810][  T284]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.851812][  T284]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.851815][  T284]  ? 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))
[   12.851822][  T284]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.851824][  T284]  ? __kernel_text_address (kernel/extable.c:79)
[   12.851827][  T284]  ? write_profile (profile.c:?)
[   12.851832][  T284]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.851837][  T284]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.851842][  T284]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.851844][  T284]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.851845][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.851848][  T284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.851851][  T284]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.851854][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.851856][  T284]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.851859][  T284]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.851861][  T284]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.851863][  T284]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.851866][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.851868][  T284]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   12.851871][  T284]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   12.851876][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.851879][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.851881][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.851883][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.851885][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.851887][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.851888][  T284]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.851891][  T284]  ? __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)
[   12.851894][  T284]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.851897][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.851900][  T284]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.851903][  T284]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.851909][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.851914][  T284]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.851920][  T284]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.851922][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.851926][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.851929][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.851931][  T284]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.851933][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.851937][  T284]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.851939][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.851942][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.851943][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.851948][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.851950][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.851954][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.851956][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.851959][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.851965][  T284]  ? 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))
[   12.851966][  T284]  ? 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))
[   12.851971][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.851974][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.851977][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   12.851981][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.851985][  T284]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.851987][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.851990][  T284]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.851994][  T284]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.851998][  T284]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.852000][  T284]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.852002][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.852004][  T284]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   12.852011][  T284]  ___sys_sendmsg (net/socket.c:2767)
[   12.852014][  T284]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.852030][  T284]  __sys_sendmsg (net/socket.c:2799)
[   12.852034][  T284]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.852040][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.852043][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.852046][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.852049][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.852051][  T284] RIP: 0033:0x7f216659454e
[   12.852055][  T284] 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
[   12.852057][  T284] RSP: 002b:00007ffff3ee6860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.852060][  T284] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f216659454e
[   12.852061][  T284] RDX: 0000000000000000 RSI: 00007ffff3ee6910 RDI: 0000000000000005
[   12.852062][  T284] RBP: 00007ffff3ee6870 R08: 0000000000000000 R09: 0000000000000000
[   12.852063][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b817
[   12.852064][  T284] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff3ee6fe0
| [   13.916395][  T292] softirqs last disabled at (22256): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.916398][  T292] Preemption disabled at:
| [   13.916399][  T292] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.916408][  T292] Tainted: [W]=WARN
[   13.916409][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.916410][  T292] Call Trace:
[   13.916412][  T292]  <TASK>
[   13.916414][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.916419][  T292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.916421][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.916425][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.916429][  T292]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.916434][  T292]  __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))
[   13.916437][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.916443][  T292]  ? 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)
[   13.916446][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.916449][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   13.916452][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.916456][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.916460][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.916465][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.916468][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916470][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916475][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.916478][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916481][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.916485][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.916489][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.916490][  T292]  ? 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))
[   13.916493][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916495][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.916499][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.916503][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.916504][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916509][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.916512][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.916513][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916515][  T292]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.916519][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.916521][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.916524][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.916527][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.916529][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916531][  T292]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   13.916533][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   13.916537][  T292]  _printk (kernel/printk/printk.c:2504)
[   13.916540][  T292]  ? snapshot_read.cold (user.c:?)
[   13.916542][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.916545][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.916547][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.916549][  T292]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.916553][  T292]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.916557][  T292]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.916561][  T292]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.916564][  T292]  ? netdev_notice (net/core/dev.c:13194)
[   13.916567][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.916570][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.916572][  T292]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.916576][  T292]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.916578][  T292]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.916581][  T292]  ? 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))
[   13.916587][  T292]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.916590][  T292]  ? __kernel_text_address (kernel/extable.c:79)
[   13.916593][  T292]  ? write_profile (profile.c:?)
[   13.916597][  T292]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.916602][  T292]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.916607][  T292]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.916609][  T292]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.916611][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.916613][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.916617][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.916619][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.916621][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.916623][  T292]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.916626][  T292]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.916628][  T292]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.916631][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916633][  T292]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   13.916636][  T292]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   13.916641][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.916643][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.916646][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916647][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.916649][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916650][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916652][  T292]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.916655][  T292]  ? __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)
[   13.916658][  T292]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.916661][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.916664][  T292]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.916666][  T292]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.916672][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.916677][  T292]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.916682][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.916684][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916689][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.916691][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.916693][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.916695][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.916699][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.916701][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.916704][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.916705][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916710][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.916712][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.916716][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.916717][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.916720][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.916727][  T292]  ? 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))
[   13.916728][  T292]  ? 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))
[   13.916732][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.916736][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.916739][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   13.916743][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.916747][  T292]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.916748][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.916751][  T292]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.916755][  T292]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.916759][  T292]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.916761][  T292]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.916764][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.916765][  T292]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   13.916773][  T292]  ___sys_sendmsg (net/socket.c:2767)
[   13.916775][  T292]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.916791][  T292]  __sys_sendmsg (net/socket.c:2799)
[   13.916795][  T292]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.916801][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916813][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.916817][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.916821][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.916824][  T292] RIP: 0033:0x7f725e7b254e
[   13.916829][  T292] 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
[   13.916831][  T292] RSP: 002b:00007ffd26f32500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.916834][  T292] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f725e7b254e
[   13.916836][  T292] RDX: 0000000000000000 RSI: 00007ffd26f325b0 RDI: 0000000000000005
[   13.916836][  T292] RBP: 00007ffd26f32510 R08: 0000000000000000 R09: 0000000000000000
[   13.916837][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b818
[   13.916838][  T292] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd26f32c80
| [   15.090105][  T301] softirqs last disabled at (20332): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.090107][  T301] Preemption disabled at:
| [   15.090108][  T301] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.090118][  T301] Tainted: [W]=WARN
[   15.090119][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.090120][  T301] Call Trace:
[   15.090122][  T301]  <TASK>
[   15.090124][  T301]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.090129][  T301]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.090131][  T301]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.090135][  T301]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.090139][  T301]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.090144][  T301]  __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))
[   15.090146][  T301]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.090152][  T301]  ? 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)
[   15.090156][  T301]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.090159][  T301]  put_chars (drivers/char/virtio_console.c:1176)
[   15.090162][  T301]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.090166][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.090170][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.090175][  T301]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.090178][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.090180][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.090185][  T301]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.090188][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.090191][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.090195][  T301]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.090199][  T301]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.090200][  T301]  ? 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))
[   15.090203][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.090205][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.090209][  T301]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.090213][  T301]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.090214][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.090220][  T301]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.090222][  T301]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.090224][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.090226][  T301]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.090229][  T301]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.090231][  T301]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.090234][  T301]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.090238][  T301]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.090240][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.090242][  T301]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   15.090244][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   15.090248][  T301]  _printk (kernel/printk/printk.c:2504)
[   15.090252][  T301]  ? snapshot_read.cold (user.c:?)
[   15.090253][  T301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.090256][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.090258][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.090261][  T301]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.090264][  T301]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.090267][  T301]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.090269][  T301]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.090272][  T301]  ? netdev_notice (net/core/dev.c:13194)
[   15.090275][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.090278][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.090281][  T301]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.090284][  T301]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.090287][  T301]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.090290][  T301]  ? 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))
[   15.090296][  T301]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.090299][  T301]  ? __kernel_text_address (kernel/extable.c:79)
[   15.090302][  T301]  ? write_profile (profile.c:?)
[   15.090306][  T301]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.090313][  T301]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.090318][  T301]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.090320][  T301]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.090322][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.090324][  T301]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.090328][  T301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.090330][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.090332][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.090335][  T301]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.090338][  T301]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.090339][  T301]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.090342][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.090344][  T301]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   15.090347][  T301]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   15.090352][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.090354][  T301]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.090357][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.090359][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.090360][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.090362][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.090364][  T301]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.090366][  T301]  ? __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)
[   15.090370][  T301]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.090372][  T301]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.090376][  T301]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.090377][  T301]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.090383][  T301]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.090389][  T301]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.090394][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.090396][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.090401][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.090403][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.090405][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.090407][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.090411][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.090413][  T301]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.090416][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.090417][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.090422][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.090424][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.090428][  T301]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.090429][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.090432][  T301]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.090439][  T301]  ? 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))
[   15.090440][  T301]  ? 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))
[   15.090444][  T301]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.090448][  T301]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.090451][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   15.090455][  T301]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.090459][  T301]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.090460][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.090463][  T301]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.090467][  T301]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.090471][  T301]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.090474][  T301]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.090476][  T301]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.090477][  T301]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   15.090485][  T301]  ___sys_sendmsg (net/socket.c:2767)
[   15.090488][  T301]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.090503][  T301]  __sys_sendmsg (net/socket.c:2799)
[   15.090507][  T301]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.090513][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.090516][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.090519][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.090522][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.090525][  T301] RIP: 0033:0x7f330391f54e
[   15.090529][  T301] 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
[   15.090531][  T301] RSP: 002b:00007ffd6af12750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.090533][  T301] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f330391f54e
[   15.090535][  T301] RDX: 0000000000000000 RSI: 00007ffd6af12800 RDI: 0000000000000005
[   15.090536][  T301] RBP: 00007ffd6af12760 R08: 0000000000000000 R09: 0000000000000000
[   15.090537][  T301] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b819
[   15.090537][  T301] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6af12ed0
| [   16.151807][  T310] softirqs last disabled at (20638): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.151815][  T310] Preemption disabled at:
| [   16.151816][  T310] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.151825][  T310] Tainted: [W]=WARN
[   16.151826][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.151828][  T310] Call Trace:
[   16.151829][  T310]  <TASK>
[   16.151831][  T310]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.151836][  T310]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.151838][  T310]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.151842][  T310]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.151845][  T310]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.151851][  T310]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.151853][  T310]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.151859][  T310]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.151862][  T310]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.151866][  T310]  put_chars (drivers/char/virtio_console.c:1176)
[   16.151869][  T310]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.151872][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.151876][  T310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.151881][  T310]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.151884][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.151886][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.151891][  T310]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.151894][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.151897][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.151901][  T310]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.151905][  T310]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.151906][  T310]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.151909][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.151911][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.151915][  T310]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.151919][  T310]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.151920][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.151925][  T310]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.151928][  T310]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.151929][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.151931][  T310]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.151935][  T310]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.151937][  T310]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.151940][  T310]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.151943][  T310]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.151945][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.151947][  T310]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   16.151949][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   16.151953][  T310]  _printk (kernel/printk/printk.c:2504)
[   16.151957][  T310]  ? snapshot_read.cold (user.c:?)
[   16.151959][  T310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.151961][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.151963][  T310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.151966][  T310]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.151969][  T310]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.151972][  T310]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.151974][  T310]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.151977][  T310]  ? netdev_notice (net/core/dev.c:13194)
[   16.151979][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.151982][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.151985][  T310]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.151989][  T310]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.151991][  T310]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.151994][  T310]  ? 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))
[   16.152001][  T310]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.152003][  T310]  ? __kernel_text_address (kernel/extable.c:79)
[   16.152006][  T310]  ? write_profile (profile.c:?)
[   16.152010][  T310]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.152015][  T310]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.152020][  T310]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.152022][  T310]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.152023][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.152025][  T310]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.152029][  T310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.152031][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.152033][  T310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.152036][  T310]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.152039][  T310]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.152041][  T310]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.152043][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152046][  T310]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   16.152048][  T310]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   16.152054][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.152056][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.152058][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152060][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.152062][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152063][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152065][  T310]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.152067][  T310]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.152071][  T310]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.152074][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.152077][  T310]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.152079][  T310]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.152085][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.152090][  T310]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.152095][  T310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.152097][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152102][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.152104][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.152106][  T310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.152108][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.152112][  T310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.152114][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.152117][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.152119][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152124][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.152126][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.152129][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.152131][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.152134][  T310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.152141][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.152142][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.152146][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.152150][  T310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.152153][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   16.152158][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.152161][  T310]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.152163][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.152166][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.152170][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.152174][  T310]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.152176][  T310]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.152178][  T310]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.152180][  T310]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   16.152188][  T310]  ___sys_sendmsg (net/socket.c:2767)
[   16.152191][  T310]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.152207][  T310]  __sys_sendmsg (net/socket.c:2799)
[   16.152210][  T310]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.152217][  T310]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   16.152220][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152223][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.152226][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.152229][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.152232][  T310] RIP: 0033:0x7fdbaa46454e
[   16.152236][  T310] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.152238][  T310] RSP: 002b:00007ffca716a850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.152240][  T310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdbaa46454e
[   16.152242][  T310] RDX: 0000000000000000 RSI: 00007ffca716a900 RDI: 0000000000000005
[   16.152243][  T310] RBP: 00007ffca716a860 R08: 0000000000000000 R09: 0000000000000000
[   16.152243][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b81a
[   16.152244][  T310] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca716afd0
| [   17.189259][  T318] softirqs last disabled at (22032): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.189261][  T318] Preemption disabled at:
| [   17.189262][  T318] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.189271][  T318] Tainted: [W]=WARN
[   17.189272][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.189274][  T318] Call Trace:
[   17.189276][  T318]  <TASK>
[   17.189277][  T318]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.189283][  T318]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.189284][  T318]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.189289][  T318]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.189292][  T318]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.189298][  T318]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.189300][  T318]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.189306][  T318]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.189309][  T318]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.189313][  T318]  put_chars (drivers/char/virtio_console.c:1176)
[   17.189316][  T318]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.189319][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.189323][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.189328][  T318]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.189331][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.189333][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.189338][  T318]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.189341][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.189344][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.189348][  T318]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.189352][  T318]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.189353][  T318]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.189356][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.189358][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.189362][  T318]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.189366][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.189367][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.189372][  T318]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.189375][  T318]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.189376][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.189378][  T318]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.189384][  T318]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.189387][  T318]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.189390][  T318]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.189393][  T318]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.189395][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.189397][  T318]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   17.189399][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   17.189403][  T318]  _printk (kernel/printk/printk.c:2504)
[   17.189407][  T318]  ? snapshot_read.cold (user.c:?)
[   17.189408][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.189411][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.189413][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.189415][  T318]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.189419][  T318]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.189421][  T318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.189423][  T318]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.189426][  T318]  ? netdev_notice (net/core/dev.c:13194)
[   17.189429][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.189432][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.189435][  T318]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.189438][  T318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.189440][  T318]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.189444][  T318]  ? 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))
[   17.189450][  T318]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.189452][  T318]  ? __kernel_text_address (kernel/extable.c:79)
[   17.189455][  T318]  ? write_profile (profile.c:?)
[   17.189459][  T318]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.189465][  T318]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.189469][  T318]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.189471][  T318]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.189472][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.189474][  T318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.189478][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.189480][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.189482][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.189485][  T318]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.189488][  T318]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.189490][  T318]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.189492][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.189494][  T318]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   17.189498][  T318]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   17.189503][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.189505][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.189507][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.189509][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.189511][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.189512][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.189514][  T318]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.189517][  T318]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   17.189519][  T318]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.189521][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.189525][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.189526][  T318]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.189532][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.189538][  T318]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.189543][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.189545][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.189550][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.189552][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.189555][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.189558][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.189564][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.189566][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.189569][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.189570][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.189575][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.189577][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.189581][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.189583][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.189586][  T318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.189592][  T318]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.189593][  T318]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.189598][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.189601][  T318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.189604][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   17.189608][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.189612][  T318]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.189613][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.189617][  T318]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.189620][  T318]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.189625][  T318]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.189627][  T318]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.189629][  T318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.189631][  T318]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   17.189638][  T318]  ___sys_sendmsg (net/socket.c:2767)
[   17.189641][  T318]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.189657][  T318]  __sys_sendmsg (net/socket.c:2799)
[   17.189660][  T318]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.189667][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.189670][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.189672][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.189675][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.189677][  T318] RIP: 0033:0x7f3c77fb454e
[   17.189681][  T318] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.189683][  T318] RSP: 002b:00007ffd4c199e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.189686][  T318] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c77fb454e
[   17.189687][  T318] RDX: 0000000000000000 RSI: 00007ffd4c199f10 RDI: 0000000000000005
[   17.189688][  T318] RBP: 00007ffd4c199e70 R08: 0000000000000000 R09: 0000000000000000
[   17.189689][  T318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b81b
[   17.189690][  T318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4c19a5e0
| [   18.289612][  T327] softirqs last disabled at (21864): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   18.289614][  T327] Preemption disabled at:
| [   18.289615][  T327] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.289624][  T327] Tainted: [W]=WARN
[   18.289625][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.289627][  T327] Call Trace:
[   18.289629][  T327]  <TASK>
[   18.289630][  T327]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.289635][  T327]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.289637][  T327]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.289642][  T327]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.289645][  T327]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.289650][  T327]  __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))
[   18.289653][  T327]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.289659][  T327]  ? 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)
[   18.289662][  T327]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.289665][  T327]  put_chars (drivers/char/virtio_console.c:1176)
[   18.289668][  T327]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.289672][  T327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.289676][  T327]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.289681][  T327]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.289684][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.289686][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.289691][  T327]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.289695][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.289697][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.289702][  T327]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.289706][  T327]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.289707][  T327]  ? 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))
[   18.289710][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.289712][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.289716][  T327]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.289720][  T327]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.289721][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.289727][  T327]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.289729][  T327]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.289731][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.289733][  T327]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.289737][  T327]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.289739][  T327]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.289742][  T327]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.289745][  T327]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.289747][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.289749][  T327]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   18.289752][  T327]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   18.289756][  T327]  _printk (kernel/printk/printk.c:2504)
[   18.289760][  T327]  ? snapshot_read.cold (user.c:?)
[   18.289761][  T327]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.289764][  T327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.289767][  T327]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.289769][  T327]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.289772][  T327]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.289775][  T327]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.289777][  T327]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.289780][  T327]  ? netdev_notice (net/core/dev.c:13194)
[   18.289783][  T327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.289786][  T327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.289789][  T327]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.289793][  T327]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.289795][  T327]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   18.289798][  T327]  ? 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))
[   18.289804][  T327]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   18.289807][  T327]  ? __kernel_text_address (kernel/extable.c:79)
[   18.289810][  T327]  ? write_profile (profile.c:?)
[   18.289814][  T327]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   18.289825][  T327]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.289830][  T327]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.289833][  T327]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.289834][  T327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.289836][  T327]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.289840][  T327]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.289842][  T327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.289844][  T327]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.289847][  T327]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.289850][  T327]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.289852][  T327]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.289855][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.289857][  T327]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   18.289860][  T327]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   18.289865][  T327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.289867][  T327]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.289870][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.289872][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.289873][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.289875][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.289876][  T327]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.289879][  T327]  ? __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)
[   18.289883][  T327]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.289885][  T327]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.289889][  T327]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.289891][  T327]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.289897][  T327]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.289902][  T327]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.289908][  T327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.289910][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.289914][  T327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.289916][  T327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.289919][  T327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.289920][  T327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.289924][  T327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.289926][  T327]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.289930][  T327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.289931][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.289936][  T327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.289938][  T327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.289942][  T327]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.289943][  T327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.289946][  T327]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.289953][  T327]  ? 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))
[   18.289954][  T327]  ? 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))
[   18.289959][  T327]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.289962][  T327]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.289965][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   18.289969][  T327]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.289973][  T327]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.289975][  T327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.289978][  T327]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.289982][  T327]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.289986][  T327]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.289988][  T327]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.289990][  T327]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.289992][  T327]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   18.290000][  T327]  ___sys_sendmsg (net/socket.c:2767)
[   18.290002][  T327]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.290019][  T327]  __sys_sendmsg (net/socket.c:2799)
[   18.290022][  T327]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.290028][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.290032][  T327]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.290034][  T327]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.290038][  T327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.290040][  T327] RIP: 0033:0x7fb925ba654e
[   18.290044][  T327] 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
[   18.290046][  T327] RSP: 002b:00007ffc7b95c940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.290048][  T327] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb925ba654e
[   18.290050][  T327] RDX: 0000000000000000 RSI: 00007ffc7b95c9f0 RDI: 0000000000000005
[   18.290051][  T327] RBP: 00007ffc7b95c950 R08: 0000000000000000 R09: 0000000000000000
[   18.290051][  T327] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b81c
[   18.290052][  T327] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7b95d0c0
| [   19.406465][  T336] softirqs last disabled at (18888): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.406467][  T336] Preemption disabled at:
| [   19.406468][  T336] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.406477][  T336] Tainted: [W]=WARN
[   19.406478][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.406480][  T336] Call Trace:
[   19.406482][  T336]  <TASK>
[   19.406483][  T336]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.406488][  T336]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.406490][  T336]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.406495][  T336]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.406498][  T336]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.406503][  T336]  __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))
[   19.406506][  T336]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.406512][  T336]  ? 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)
[   19.406515][  T336]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.406519][  T336]  put_chars (drivers/char/virtio_console.c:1176)
[   19.406522][  T336]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.406525][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.406529][  T336]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.406534][  T336]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.406538][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.406540][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.406545][  T336]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.406548][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.406551][  T336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.406557][  T336]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.406562][  T336]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.406563][  T336]  ? 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))
[   19.406566][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.406568][  T336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.406572][  T336]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.406576][  T336]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.406578][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.406583][  T336]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.406586][  T336]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.406587][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.406589][  T336]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.406593][  T336]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.406595][  T336]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.406598][  T336]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.406601][  T336]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.406603][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.406605][  T336]  ? save_trace (kernel/locking/lockdep.c:152 (discriminator 27) kernel/locking/lockdep.c:202 (discriminator 27) kernel/locking/lockdep.c:577 (discriminator 27))
[   19.406610][  T336]  _printk (kernel/printk/printk.c:2504)
[   19.406614][  T336]  ? snapshot_read.cold (user.c:?)
[   19.406615][  T336]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.406618][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.406620][  T336]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.406623][  T336]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.406626][  T336]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.406629][  T336]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.406631][  T336]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.406634][  T336]  ? netdev_notice (net/core/dev.c:13194)
[   19.406636][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.406640][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.406642][  T336]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.406646][  T336]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.406648][  T336]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.406651][  T336]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.406655][  T336]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   19.406657][  T336]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   19.406659][  T336]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[   19.406663][  T336]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.406667][  T336]  ? nla_strscpy (lib/nlattr.c:795)
[   19.406674][  T336]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.406679][  T336]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.406682][  T336]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.406683][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.406686][  T336]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.406688][  T336]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.406690][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.406692][  T336]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.406695][  T336]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.406698][  T336]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.406700][  T336]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.406703][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.406705][  T336]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   19.406708][  T336]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   19.406713][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.406715][  T336]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.406718][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.406720][  T336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.406722][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.406723][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.406725][  T336]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.406728][  T336]  ? __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)
[   19.406730][  T336]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.406732][  T336]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.406736][  T336]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.406738][  T336]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.406743][  T336]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.406748][  T336]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.406754][  T336]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.406756][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.406761][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.406763][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.406765][  T336]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.406767][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.406771][  T336]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.406773][  T336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.406776][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.406778][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.406782][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.406785][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.406788][  T336]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.406790][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.406793][  T336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.406800][  T336]  ? 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))
[   19.406801][  T336]  ? 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))
[   19.406805][  T336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.406809][  T336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.406812][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   19.406817][  T336]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.406820][  T336]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.406826][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.406829][  T336]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.406833][  T336]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.406838][  T336]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.406840][  T336]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.406842][  T336]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.406844][  T336]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   19.406851][  T336]  ___sys_sendmsg (net/socket.c:2767)
[   19.406854][  T336]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.406870][  T336]  __sys_sendmsg (net/socket.c:2799)
[   19.406873][  T336]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.406880][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.406883][  T336]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.406885][  T336]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.406888][  T336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.406890][  T336] RIP: 0033:0x7f2da8c4554e
[   19.406894][  T336] 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
[   19.406896][  T336] RSP: 002b:00007ffe36745790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.406899][  T336] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2da8c4554e
[   19.406900][  T336] RDX: 0000000000000000 RSI: 00007ffe36745840 RDI: 0000000000000005
[   19.406901][  T336] RBP: 00007ffe367457a0 R08: 0000000000000000 R09: 0000000000000000
[   19.406902][  T336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b81d
[   19.406903][  T336] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe36745f10
| [   20.576709][  T345] softirqs last disabled at (26966): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.576713][  T345] Preemption disabled at:
| [   20.576713][  T345] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.576726][  T345] Tainted: [W]=WARN
[   20.576727][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.576729][  T345] Call Trace:
[   20.576732][  T345]  <TASK>
[   20.576734][  T345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.576740][  T345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.576743][  T345]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.576750][  T345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.576754][  T345]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.576762][  T345]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.576766][  T345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.576775][  T345]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.576779][  T345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.576785][  T345]  put_chars (drivers/char/virtio_console.c:1176)
[   20.576789][  T345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.576795][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.576800][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.576808][  T345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.576812][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.576815][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.576823][  T345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.576834][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.576838][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.576846][  T345]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.576852][  T345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.576854][  T345]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.576858][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.576861][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.576869][  T345]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.576875][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.576877][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.576886][  T345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.576890][  T345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.576892][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.576895][  T345]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.576902][  T345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.576905][  T345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.576911][  T345]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.576917][  T345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.576920][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.576924][  T345]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   20.576927][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   20.576934][  T345]  _printk (kernel/printk/printk.c:2504)
[   20.576939][  T345]  ? snapshot_read.cold (user.c:?)
[   20.576942][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.576947][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.576950][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.576954][  T345]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.576958][  T345]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.576963][  T345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.576967][  T345]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.576971][  T345]  ? netdev_notice (net/core/dev.c:13194)
[   20.576976][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.576981][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.576986][  T345]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.576992][  T345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.576996][  T345]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.577001][  T345]  ? 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))
[   20.577010][  T345]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.577014][  T345]  ? __kernel_text_address (kernel/extable.c:79)
[   20.577018][  T345]  ? write_profile (profile.c:?)
[   20.577024][  T345]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.577033][  T345]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.577041][  T345]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.577045][  T345]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.577047][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.577050][  T345]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.577055][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.577059][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.577062][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.577067][  T345]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.577071][  T345]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.577073][  T345]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.577078][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.577081][  T345]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   20.577086][  T345]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   20.577094][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.577097][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.577102][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.577105][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.577108][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.577110][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.577113][  T345]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.577118][  T345]  ? __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)
[   20.577122][  T345]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.577126][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.577132][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.577136][  T345]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.577146][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.577156][  T345]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.577166][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.577170][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.577178][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.577181][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.577185][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.577188][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.577195][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.577199][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.577205][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.577207][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.577215][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.577218][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.577225][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.577228][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.577233][  T345]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.577245][  T345]  ? 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))
[   20.577247][  T345]  ? 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))
[   20.577255][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.577262][  T345]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.577268][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   20.577275][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.577282][  T345]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.577284][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.577290][  T345]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.577295][  T345]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.577302][  T345]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.577306][  T345]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.577310][  T345]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.577312][  T345]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   20.577326][  T345]  ___sys_sendmsg (net/socket.c:2767)
[   20.577331][  T345]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.577363][  T345]  __sys_sendmsg (net/socket.c:2799)
[   20.577368][  T345]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.577379][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.577388][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.577392][  T345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.577397][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.577401][  T345] RIP: 0033:0x7f3e5dffe54e
[   20.577406][  T345] 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
[   20.577409][  T345] RSP: 002b:00007fff7c7b8ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.577413][  T345] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e5dffe54e
[   20.577415][  T345] RDX: 0000000000000000 RSI: 00007fff7c7b8b70 RDI: 0000000000000005
[   20.577416][  T345] RBP: 00007fff7c7b8ad0 R08: 0000000000000000 R09: 0000000000000000
[   20.577418][  T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b81e
[   20.577419][  T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7c7b9240
| [   21.678889][  T354] softirqs last disabled at (21072): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.678891][  T354] Preemption disabled at:
| [   21.678892][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.678901][  T354] Tainted: [W]=WARN
[   21.678902][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.678904][  T354] Call Trace:
[   21.678905][  T354]  <TASK>
[   21.678907][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.678912][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.678913][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.678918][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.678922][  T354]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.678927][  T354]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.678929][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.678936][  T354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.678939][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.678942][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   21.678945][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.678949][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.678953][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.678958][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.678961][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.678963][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.678968][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.678971][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.678974][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.678979][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.678982][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.678984][  T354]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.678986][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.678988][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.678993][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.678996][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.678997][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679003][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.679005][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.679007][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679009][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.679012][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.679014][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.679017][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.679021][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.679023][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679025][  T354]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   21.679027][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   21.679030][  T354]  _printk (kernel/printk/printk.c:2504)
[   21.679034][  T354]  ? snapshot_read.cold (user.c:?)
[   21.679036][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.679038][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.679041][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.679043][  T354]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.679046][  T354]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.679049][  T354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.679051][  T354]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.679054][  T354]  ? netdev_notice (net/core/dev.c:13194)
[   21.679056][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.679059][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.679062][  T354]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.679066][  T354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.679068][  T354]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.679071][  T354]  ? 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))
[   21.679077][  T354]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.679079][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   21.679082][  T354]  ? write_profile (profile.c:?)
[   21.679086][  T354]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.679092][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.679097][  T354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.679099][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.679100][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.679102][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.679106][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.679108][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.679110][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.679113][  T354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.679115][  T354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.679117][  T354]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.679120][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679122][  T354]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   21.679125][  T354]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   21.679130][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.679132][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.679135][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679136][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.679138][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679139][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679141][  T354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.679144][  T354]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   21.679147][  T354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.679150][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.679153][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.679155][  T354]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.679161][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.679166][  T354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.679171][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.679173][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679178][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.679180][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.679182][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.679184][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.679188][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.679190][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.679193][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.679194][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.679199][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.679201][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.679205][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.679206][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.679209][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.679216][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.679217][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.679221][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.679225][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.679228][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   21.679232][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.679236][  T354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.679238][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.679241][  T354]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.679244][  T354]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.679248][  T354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.679251][  T354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.679253][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.679255][  T354]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   21.679262][  T354]  ___sys_sendmsg (net/socket.c:2767)
[   21.679265][  T354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.679281][  T354]  __sys_sendmsg (net/socket.c:2799)
[   21.679284][  T354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.679291][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.679294][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.679296][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.679300][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.679302][  T354] RIP: 0033:0x7fbae3ae254e
[   21.679306][  T354] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.679308][  T354] RSP: 002b:00007fff80d1d210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.679310][  T354] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbae3ae254e
[   21.679312][  T354] RDX: 0000000000000000 RSI: 00007fff80d1d2c0 RDI: 0000000000000005
[   21.679313][  T354] RBP: 00007fff80d1d220 R08: 0000000000000000 R09: 0000000000000000
[   21.679314][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b820
[   21.679314][  T354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff80d1d990
| [   22.732352][  T361] softirqs last disabled at (25536): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.732356][  T361] Preemption disabled at:
| [   22.732357][  T361] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.732369][  T361] Tainted: [W]=WARN
[   22.732370][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.732373][  T361] Call Trace:
[   22.732375][  T361]  <TASK>
[   22.732377][  T361]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.732386][  T361]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.732389][  T361]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.732395][  T361]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.732400][  T361]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.732408][  T361]  __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))
[   22.732412][  T361]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.732421][  T361]  ? 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)
[   22.732425][  T361]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.732430][  T361]  put_chars (drivers/char/virtio_console.c:1176)
[   22.732435][  T361]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.732441][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.732446][  T361]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.732453][  T361]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.732458][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.732461][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.732469][  T361]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.732475][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.732479][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.732487][  T361]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.732493][  T361]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.732495][  T361]  ? 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))
[   22.732500][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.732503][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.732510][  T361]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.732517][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.732519][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.732530][  T361]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.732534][  T361]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.732536][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.732539][  T361]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.732546][  T361]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.732549][  T361]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.732555][  T361]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.732562][  T361]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.732566][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.732569][  T361]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   22.732572][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   22.732579][  T361]  _printk (kernel/printk/printk.c:2504)
[   22.732584][  T361]  ? snapshot_read.cold (user.c:?)
[   22.732586][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.732591][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.732594][  T361]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.732598][  T361]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.732603][  T361]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.732607][  T361]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.732611][  T361]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.732615][  T361]  ? netdev_notice (net/core/dev.c:13194)
[   22.732620][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.732625][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.732629][  T361]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.732636][  T361]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.732639][  T361]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.732644][  T361]  ? 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))
[   22.732653][  T361]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.732658][  T361]  ? __kernel_text_address (kernel/extable.c:79)
[   22.732661][  T361]  ? write_profile (profile.c:?)
[   22.732668][  T361]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.732676][  T361]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.732684][  T361]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.732688][  T361]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.732690][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.732693][  T361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.732698][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.732702][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.732705][  T361]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.732710][  T361]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.732714][  T361]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.732716][  T361]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.732721][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.732724][  T361]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   22.732728][  T361]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   22.732736][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.732739][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.732744][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.732747][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.732750][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.732752][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.732755][  T361]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.732759][  T361]  ? __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)
[   22.732764][  T361]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.732768][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.732774][  T361]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.732777][  T361]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.732787][  T361]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.732797][  T361]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.732807][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.732810][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.732819][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.732822][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.732826][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.732829][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.732840][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.732844][  T361]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.732849][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.732852][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.732860][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.732863][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.732870][  T361]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.732873][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.732878][  T361]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.732890][  T361]  ? 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))
[   22.732892][  T361]  ? 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))
[   22.732900][  T361]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.732907][  T361]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.732912][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   22.732920][  T361]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.732927][  T361]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.732929][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.732934][  T361]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.732939][  T361]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.732947][  T361]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.732950][  T361]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.732954][  T361]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.732957][  T361]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   22.732971][  T361]  ___sys_sendmsg (net/socket.c:2767)
[   22.732976][  T361]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.733007][  T361]  __sys_sendmsg (net/socket.c:2799)
[   22.733012][  T361]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.733023][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.733029][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.733033][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.733038][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.733042][  T361] RIP: 0033:0x7f19cd97d54e
[   22.733047][  T361] 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
[   22.733050][  T361] RSP: 002b:00007ffc06ed8be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.733054][  T361] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f19cd97d54e
[   22.733056][  T361] RDX: 0000000000000000 RSI: 00007ffc06ed8c90 RDI: 0000000000000005
[   22.733057][  T361] RBP: 00007ffc06ed8bf0 R08: 0000000000000000 R09: 0000000000000000
[   22.733059][  T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b821
[   22.733061][  T361] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc06ed9360
| [   24.005071][  T368] softirqs last disabled at (30142): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.005074][  T368] Preemption disabled at:
| [   24.005075][  T368] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.005088][  T368] Tainted: [W]=WARN
[   24.005089][  T368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.005091][  T368] Call Trace:
[   24.005094][  T368]  <TASK>
[   24.005096][  T368]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.005103][  T368]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.005105][  T368]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.005112][  T368]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.005117][  T368]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.005125][  T368]  __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))
[   24.005129][  T368]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.005139][  T368]  ? 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)
[   24.005143][  T368]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.005149][  T368]  put_chars (drivers/char/virtio_console.c:1176)
[   24.005153][  T368]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.005160][  T368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.005165][  T368]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.005173][  T368]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.005178][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.005181][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.005189][  T368]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.005195][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.005200][  T368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.005207][  T368]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.005213][  T368]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.005216][  T368]  ? 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))
[   24.005221][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.005224][  T368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.005232][  T368]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.005238][  T368]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.005241][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.005251][  T368]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.005255][  T368]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.005257][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.005260][  T368]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.005267][  T368]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.005270][  T368]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.005275][  T368]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.005281][  T368]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.005285][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.005288][  T368]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   24.005291][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.005298][  T368]  _printk (kernel/printk/printk.c:2504)
[   24.005303][  T368]  ? snapshot_read.cold (user.c:?)
[   24.005306][  T368]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.005311][  T368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.005314][  T368]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.005318][  T368]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.005323][  T368]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.005327][  T368]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.005331][  T368]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.005336][  T368]  ? netdev_notice (net/core/dev.c:13194)
[   24.005340][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.005346][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.005350][  T368]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.005356][  T368]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.005360][  T368]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.005365][  T368]  ? 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))
[   24.005375][  T368]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.005379][  T368]  ? __kernel_text_address (kernel/extable.c:79)
[   24.005385][  T368]  ? write_profile (profile.c:?)
[   24.005392][  T368]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.005400][  T368]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.005408][  T368]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.005412][  T368]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.005414][  T368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.005417][  T368]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.005422][  T368]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.005426][  T368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.005429][  T368]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.005434][  T368]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.005438][  T368]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.005441][  T368]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.005445][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.005449][  T368]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   24.005453][  T368]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   24.005461][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.005464][  T368]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.005469][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.005472][  T368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.005475][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.005477][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.005480][  T368]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.005484][  T368]  ? __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)
[   24.005489][  T368]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.005493][  T368]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.005499][  T368]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.005502][  T368]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.005513][  T368]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.005523][  T368]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.005533][  T368]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.005536][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.005545][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.005548][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.005552][  T368]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.005555][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.005563][  T368]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.005567][  T368]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.005572][  T368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.005574][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.005583][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.005586][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.005593][  T368]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.005595][  T368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.005601][  T368]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.005612][  T368]  ? 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))
[   24.005615][  T368]  ? 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))
[   24.005623][  T368]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.005629][  T368]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.005635][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   24.005642][  T368]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.005649][  T368]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.005652][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.005657][  T368]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.005662][  T368]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.005670][  T368]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.005674][  T368]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.005677][  T368]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.005680][  T368]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   24.005694][  T368]  ___sys_sendmsg (net/socket.c:2767)
[   24.005699][  T368]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.005731][  T368]  __sys_sendmsg (net/socket.c:2799)
[   24.005736][  T368]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.005748][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.005754][  T368]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.005758][  T368]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.005763][  T368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.005767][  T368] RIP: 0033:0x7ffa313b554e
[   24.005772][  T368] 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
[   24.005774][  T368] RSP: 002b:00007ffe61cfab20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.005777][  T368] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffa313b554e
[   24.005779][  T368] RDX: 0000000000000000 RSI: 00007ffe61cfabd0 RDI: 0000000000000005
[   24.005780][  T368] RBP: 00007ffe61cfab30 R08: 0000000000000000 R09: 0000000000000000
[   24.005782][  T368] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b822
[   24.005783][  T368] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe61cfb2a0
| [   25.043068][  T374] softirqs last disabled at (18590): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.043071][  T374] Preemption disabled at:
| [   25.043072][  T374] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.043081][  T374] Tainted: [W]=WARN
[   25.043082][  T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.043083][  T374] Call Trace:
[   25.043085][  T374]  <TASK>
[   25.043087][  T374]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.043092][  T374]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.043094][  T374]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.043098][  T374]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.043102][  T374]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.043107][  T374]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.043109][  T374]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.043116][  T374]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.043118][  T374]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.043122][  T374]  put_chars (drivers/char/virtio_console.c:1176)
[   25.043125][  T374]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.043128][  T374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.043132][  T374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.043137][  T374]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.043140][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.043142][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.043147][  T374]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.043150][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.043153][  T374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.043157][  T374]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.043161][  T374]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.043162][  T374]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.043165][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.043167][  T374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.043171][  T374]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.043175][  T374]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.043176][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.043182][  T374]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.043184][  T374]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.043185][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.043187][  T374]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.043191][  T374]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.043193][  T374]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.043196][  T374]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.043199][  T374]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.043201][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.043203][  T374]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   25.043205][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   25.043209][  T374]  _printk (kernel/printk/printk.c:2504)
[   25.043213][  T374]  ? snapshot_read.cold (user.c:?)
[   25.043214][  T374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.043217][  T374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.043219][  T374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.043222][  T374]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.043225][  T374]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.043227][  T374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.043230][  T374]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.043233][  T374]  ? netdev_notice (net/core/dev.c:13194)
[   25.043235][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.043238][  T374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.043241][  T374]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.043245][  T374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.043247][  T374]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.043250][  T374]  ? 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))
[   25.043256][  T374]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.043259][  T374]  ? __kernel_text_address (kernel/extable.c:79)
[   25.043261][  T374]  ? write_profile (profile.c:?)
[   25.043265][  T374]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.043271][  T374]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.043278][  T374]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.043280][  T374]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.043281][  T374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.043283][  T374]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.043287][  T374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.043289][  T374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.043291][  T374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.043294][  T374]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.043297][  T374]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.043299][  T374]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.043302][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.043304][  T374]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   25.043307][  T374]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   25.043312][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.043314][  T374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.043316][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.043318][  T374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.043320][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.043321][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.043323][  T374]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.043326][  T374]  ? __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)
[   25.043329][  T374]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.043331][  T374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.043335][  T374]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.043337][  T374]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.043343][  T374]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.043348][  T374]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.043353][  T374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.043355][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.043360][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.043362][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.043364][  T374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.043366][  T374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.043370][  T374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.043372][  T374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.043375][  T374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.043376][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.043381][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.043383][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.043386][  T374]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.043388][  T374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.043391][  T374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.043397][  T374]  ? 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))
[   25.043399][  T374]  ? 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))
[   25.043403][  T374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.043407][  T374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.043410][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   25.043414][  T374]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.043417][  T374]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.043419][  T374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.043422][  T374]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.043426][  T374]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.043430][  T374]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.043432][  T374]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.043434][  T374]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.043436][  T374]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   25.043443][  T374]  ___sys_sendmsg (net/socket.c:2767)
[   25.043446][  T374]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.043462][  T374]  __sys_sendmsg (net/socket.c:2799)
[   25.043466][  T374]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.043472][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.043475][  T374]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.043478][  T374]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.043481][  T374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.043483][  T374] RIP: 0033:0x7fe7de9fb54e
[   25.043487][  T374] 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
[   25.043489][  T374] RSP: 002b:00007ffdfa3b9ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.043491][  T374] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe7de9fb54e
[   25.043493][  T374] RDX: 0000000000000000 RSI: 00007ffdfa3b9f50 RDI: 0000000000000005
[   25.043494][  T374] RBP: 00007ffdfa3b9eb0 R08: 0000000000000000 R09: 0000000000000000
[   25.043494][  T374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b823
[   25.043495][  T374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfa3ba620
| [   26.140392][  T385] softirqs last disabled at (32332): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.140395][  T385] Preemption disabled at:
| [   26.140396][  T385] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.140406][  T385] Tainted: [W]=WARN
[   26.140407][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.140408][  T385] Call Trace:
[   26.140410][  T385]  <TASK>
[   26.140412][  T385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.140417][  T385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.140418][  T385]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.140423][  T385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.140426][  T385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.140432][  T385]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.140435][  T385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.140441][  T385]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.140444][  T385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.140448][  T385]  put_chars (drivers/char/virtio_console.c:1176)
[   26.140451][  T385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.140454][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.140458][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.140463][  T385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.140467][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.140468][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.140473][  T385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.140477][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.140480][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.140484][  T385]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.140488][  T385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.140489][  T385]  ? 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))
[   26.140492][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.140494][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.140498][  T385]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.140502][  T385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.140504][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.140509][  T385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.140512][  T385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.140513][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.140515][  T385]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.140519][  T385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.140521][  T385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.140524][  T385]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.140527][  T385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.140529][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.140531][  T385]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   26.140533][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   26.140537][  T385]  _printk (kernel/printk/printk.c:2504)
[   26.140541][  T385]  ? snapshot_read.cold (user.c:?)
[   26.140543][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.140546][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.140548][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.140550][  T385]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.140554][  T385]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.140558][  T385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.140562][  T385]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.140565][  T385]  ? netdev_notice (net/core/dev.c:13194)
[   26.140567][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.140570][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.140573][  T385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.140577][  T385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.140579][  T385]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.140582][  T385]  ? 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))
[   26.140589][  T385]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.140591][  T385]  ? __kernel_text_address (kernel/extable.c:79)
[   26.140594][  T385]  ? write_profile (profile.c:?)
[   26.140598][  T385]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.140604][  T385]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.140609][  T385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.140611][  T385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.140613][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.140615][  T385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.140618][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.140621][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.140623][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.140626][  T385]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.140628][  T385]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.140630][  T385]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.140633][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.140635][  T385]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   26.140638][  T385]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   26.140643][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.140645][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.140648][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.140650][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.140652][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.140653][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.140655][  T385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.140658][  T385]  ? __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)
[   26.140661][  T385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.140664][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.140667][  T385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.140669][  T385]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.140675][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.140681][  T385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.140686][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.140688][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.140693][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.140695][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.140697][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.140699][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.140703][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.140705][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.140708][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.140710][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.140715][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.140717][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.140720][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.140722][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.140725][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.140731][  T385]  ? 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))
[   26.140733][  T385]  ? 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))
[   26.140737][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.140741][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.140744][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   26.140748][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.140752][  T385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.140754][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.140757][  T385]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.140761][  T385]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.140765][  T385]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.140767][  T385]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.140769][  T385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.140771][  T385]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   26.140778][  T385]  ___sys_sendmsg (net/socket.c:2767)
[   26.140781][  T385]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.140798][  T385]  __sys_sendmsg (net/socket.c:2799)
[   26.140801][  T385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.140808][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.140811][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.140814][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.140817][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.140819][  T385] RIP: 0033:0x7ff6fc55c54e
[   26.140823][  T385] 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
[   26.140825][  T385] RSP: 002b:00007ffff41f11a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.140828][  T385] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff6fc55c54e
[   26.140829][  T385] RDX: 0000000000000000 RSI: 00007ffff41f1250 RDI: 0000000000000005
[   26.140830][  T385] RBP: 00007ffff41f11b0 R08: 0000000000000000 R09: 0000000000000000
[   26.140831][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b824
[   26.140832][  T385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff41f1920
| [   27.149136][  T394] softirqs last disabled at (21584): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.149139][  T394] Preemption disabled at:
| [   27.149140][  T394] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.149149][  T394] Tainted: [W]=WARN
[   27.149150][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.149152][  T394] Call Trace:
[   27.149153][  T394]  <TASK>
[   27.149155][  T394]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.149160][  T394]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.149162][  T394]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.149166][  T394]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.149170][  T394]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.149175][  T394]  __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))
[   27.149178][  T394]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.149184][  T394]  ? 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)
[   27.149187][  T394]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.149191][  T394]  put_chars (drivers/char/virtio_console.c:1176)
[   27.149194][  T394]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.149197][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.149201][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.149206][  T394]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.149210][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.149211][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.149217][  T394]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.149220][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.149223][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.149227][  T394]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.149231][  T394]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.149232][  T394]  ? 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))
[   27.149235][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.149237][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.149241][  T394]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.149245][  T394]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.149246][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.149252][  T394]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.149255][  T394]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.149256][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.149258][  T394]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.149262][  T394]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.149264][  T394]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.149267][  T394]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.149270][  T394]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.149272][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.149274][  T394]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   27.149276][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.149280][  T394]  _printk (kernel/printk/printk.c:2504)
[   27.149284][  T394]  ? snapshot_read.cold (user.c:?)
[   27.149286][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.149289][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.149291][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.149293][  T394]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.149297][  T394]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.149299][  T394]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.149301][  T394]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.149304][  T394]  ? netdev_notice (net/core/dev.c:13194)
[   27.149307][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.149310][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.149313][  T394]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.149317][  T394]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.149319][  T394]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.149322][  T394]  ? 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))
[   27.149329][  T394]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.149331][  T394]  ? __kernel_text_address (kernel/extable.c:79)
[   27.149334][  T394]  ? write_profile (profile.c:?)
[   27.149338][  T394]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.149344][  T394]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.149348][  T394]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.149350][  T394]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.149352][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.149354][  T394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.149358][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.149360][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.149362][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.149365][  T394]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.149368][  T394]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.149369][  T394]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.149372][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.149374][  T394]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   27.149378][  T394]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   27.149385][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.149387][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.149390][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.149392][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.149393][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.149395][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.149397][  T394]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.149399][  T394]  ? __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)
[   27.149403][  T394]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.149405][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.149409][  T394]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.149411][  T394]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.149417][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.149422][  T394]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.149428][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.149430][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.149435][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.149437][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.149439][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.149441][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.149445][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.149447][  T394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.149450][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.149451][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.149456][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.149458][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.149462][  T394]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.149464][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.149467][  T394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.149474][  T394]  ? 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))
[   27.149475][  T394]  ? 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))
[   27.149480][  T394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.149483][  T394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.149486][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   27.149491][  T394]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.149495][  T394]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.149496][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.149500][  T394]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.149503][  T394]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.149508][  T394]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.149510][  T394]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.149512][  T394]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.149514][  T394]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   27.149522][  T394]  ___sys_sendmsg (net/socket.c:2767)
[   27.149524][  T394]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.149541][  T394]  __sys_sendmsg (net/socket.c:2799)
[   27.149545][  T394]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.149551][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.149555][  T394]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.149559][  T394]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.149563][  T394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.149565][  T394] RIP: 0033:0x7f455d71054e
[   27.149569][  T394] 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
[   27.149571][  T394] RSP: 002b:00007ffdb0086600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.149574][  T394] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f455d71054e
[   27.149575][  T394] RDX: 0000000000000000 RSI: 00007ffdb00866b0 RDI: 0000000000000005
[   27.149576][  T394] RBP: 00007ffdb0086610 R08: 0000000000000000 R09: 0000000000000000
[   27.149577][  T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b825
[   27.149578][  T394] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb0086d80
| [   28.214633][  T403] softirqs last disabled at (14708): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.214636][  T403] Preemption disabled at:
| [   28.214637][  T403] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.214646][  T403] Tainted: [W]=WARN
[   28.214647][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.214649][  T403] Call Trace:
[   28.214651][  T403]  <TASK>
[   28.214652][  T403]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.214657][  T403]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.214659][  T403]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.214664][  T403]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.214667][  T403]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.214672][  T403]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.214675][  T403]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.214681][  T403]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.214684][  T403]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.214687][  T403]  put_chars (drivers/char/virtio_console.c:1176)
[   28.214691][  T403]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.214694][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.214698][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.214703][  T403]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.214706][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.214708][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.214713][  T403]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.214717][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.214720][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.214724][  T403]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.214728][  T403]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.214729][  T403]  ? 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))
[   28.214732][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.214734][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.214739][  T403]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.214743][  T403]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.214744][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.214750][  T403]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.214753][  T403]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.214754][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.214756][  T403]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.214760][  T403]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.214762][  T403]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.214765][  T403]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.214769][  T403]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.214771][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.214773][  T403]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   28.214775][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   28.214780][  T403]  _printk (kernel/printk/printk.c:2504)
[   28.214783][  T403]  ? snapshot_read.cold (user.c:?)
[   28.214785][  T403]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.214788][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.214790][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.214792][  T403]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.214796][  T403]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.214799][  T403]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.214801][  T403]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.214804][  T403]  ? netdev_notice (net/core/dev.c:13194)
[   28.214807][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.214810][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.214812][  T403]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.214816][  T403]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.214818][  T403]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.214822][  T403]  ? 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))
[   28.214828][  T403]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.214831][  T403]  ? __kernel_text_address (kernel/extable.c:79)
[   28.214834][  T403]  ? write_profile (profile.c:?)
[   28.214838][  T403]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.214843][  T403]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.214848][  T403]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.214850][  T403]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.214857][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.214860][  T403]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.214863][  T403]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.214866][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.214868][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.214871][  T403]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.214874][  T403]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.214875][  T403]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.214879][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.214881][  T403]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   28.214884][  T403]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   28.214889][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.214891][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.214894][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.214896][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.214898][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.214900][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.214901][  T403]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.214904][  T403]  ? __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)
[   28.214908][  T403]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.214910][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.214914][  T403]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.214916][  T403]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.214922][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.214927][  T403]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.214933][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.214935][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.214940][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.214943][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.214945][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.214947][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.214951][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.214953][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.214956][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.214957][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.214962][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.214965][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.214969][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.214970][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.214974][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.214980][  T403]  ? 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))
[   28.214982][  T403]  ? 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))
[   28.214986][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.214990][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.214993][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   28.214997][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.215001][  T403]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.215003][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.215006][  T403]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.215010][  T403]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.215014][  T403]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.215016][  T403]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.215019][  T403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.215020][  T403]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   28.215028][  T403]  ___sys_sendmsg (net/socket.c:2767)
[   28.215031][  T403]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.215048][  T403]  __sys_sendmsg (net/socket.c:2799)
[   28.215051][  T403]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.215058][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.215061][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.215064][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.215067][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.215070][  T403] RIP: 0033:0x7f5fa69db54e
[   28.215074][  T403] 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
[   28.215075][  T403] RSP: 002b:00007fffc61856d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.215078][  T403] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5fa69db54e
[   28.215080][  T403] RDX: 0000000000000000 RSI: 00007fffc6185780 RDI: 0000000000000005
[   28.215080][  T403] RBP: 00007fffc61856e0 R08: 0000000000000000 R09: 0000000000000000
[   28.215081][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b826
[   28.215082][  T403] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc6185e50
| [   29.282731][  T413] softirqs last disabled at (36792): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.282734][  T413] Preemption disabled at:
| [   29.282735][  T413] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.282744][  T413] Tainted: [W]=WARN
[   29.282745][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.282747][  T413] Call Trace:
[   29.282749][  T413]  <TASK>
[   29.282750][  T413]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.282756][  T413]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.282758][  T413]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.282763][  T413]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.282766][  T413]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.282772][  T413]  __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))
[   29.282774][  T413]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.282781][  T413]  ? 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)
[   29.282784][  T413]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.282788][  T413]  put_chars (drivers/char/virtio_console.c:1176)
[   29.282791][  T413]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.282795][  T413]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.282799][  T413]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.282805][  T413]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.282808][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.282810][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.282816][  T413]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.282820][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.282822][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.282827][  T413]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.282831][  T413]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.282833][  T413]  ? 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))
[   29.282836][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.282838][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.282842][  T413]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.282846][  T413]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.282847][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.282854][  T413]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.282862][  T413]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.282864][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.282866][  T413]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.282870][  T413]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.282873][  T413]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.282876][  T413]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.282879][  T413]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.282881][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.282884][  T413]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   29.282886][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.282891][  T413]  _printk (kernel/printk/printk.c:2504)
[   29.282896][  T413]  ? snapshot_read.cold (user.c:?)
[   29.282898][  T413]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.282901][  T413]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.282903][  T413]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.282905][  T413]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.282909][  T413]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.282912][  T413]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.282914][  T413]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.282918][  T413]  ? netdev_notice (net/core/dev.c:13194)
[   29.282921][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.282924][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.282927][  T413]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.282932][  T413]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.282934][  T413]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.282937][  T413]  ? 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))
[   29.282944][  T413]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.282947][  T413]  ? __kernel_text_address (kernel/extable.c:79)
[   29.282951][  T413]  ? write_profile (profile.c:?)
[   29.282955][  T413]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.282962][  T413]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.282968][  T413]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.282971][  T413]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.282972][  T413]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.282974][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.282978][  T413]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.282981][  T413]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.282983][  T413]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.282987][  T413]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.282990][  T413]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.282992][  T413]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.282995][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.282998][  T413]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   29.283001][  T413]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   29.283006][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.283008][  T413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.283012][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.283014][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.283016][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.283018][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.283020][  T413]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.283023][  T413]  ? __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)
[   29.283027][  T413]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.283030][  T413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.283033][  T413]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.283036][  T413]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.283042][  T413]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.283048][  T413]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.283054][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.283057][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.283062][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.283064][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.283066][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.283069][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.283073][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.283075][  T413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.283079][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.283080][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.283086][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.283088][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.283092][  T413]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.283094][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.283097][  T413]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.283105][  T413]  ? 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))
[   29.283106][  T413]  ? 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))
[   29.283111][  T413]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.283115][  T413]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.283118][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   29.283123][  T413]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.283127][  T413]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.283129][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.283132][  T413]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.283136][  T413]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.283140][  T413]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.283143][  T413]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.283146][  T413]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.283148][  T413]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   29.283157][  T413]  ___sys_sendmsg (net/socket.c:2767)
[   29.283160][  T413]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.283179][  T413]  __sys_sendmsg (net/socket.c:2799)
[   29.283183][  T413]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.283190][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.283194][  T413]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.283197][  T413]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.283200][  T413]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.283202][  T413] RIP: 0033:0x7f10d777a54e
[   29.283207][  T413] 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
[   29.283209][  T413] RSP: 002b:00007fff4f1294d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.283212][  T413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f10d777a54e
[   29.283213][  T413] RDX: 0000000000000000 RSI: 00007fff4f129580 RDI: 0000000000000005
[   29.283214][  T413] RBP: 00007fff4f1294e0 R08: 0000000000000000 R09: 0000000000000000
[   29.283215][  T413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b827
[   29.283216][  T413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4f129c50
| [   30.540391][  T421] softirqs last disabled at (26266): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.540395][  T421] Preemption disabled at:
| [   30.540396][  T421] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.540408][  T421] Tainted: [W]=WARN
[   30.540409][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.540412][  T421] Call Trace:
[   30.540414][  T421]  <TASK>
[   30.540416][  T421]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.540423][  T421]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.540426][  T421]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.540432][  T421]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.540437][  T421]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.540444][  T421]  __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))
[   30.540448][  T421]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.540457][  T421]  ? 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)
[   30.540461][  T421]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.540467][  T421]  put_chars (drivers/char/virtio_console.c:1176)
[   30.540472][  T421]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.540478][  T421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.540483][  T421]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.540491][  T421]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.540495][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.540498][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.540507][  T421]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.540513][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.540517][  T421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.540525][  T421]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.540531][  T421]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.540533][  T421]  ? 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))
[   30.540538][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.540541][  T421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.540548][  T421]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.540558][  T421]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.540563][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.540573][  T421]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.540577][  T421]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.540579][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.540582][  T421]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.540589][  T421]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.540592][  T421]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.540598][  T421]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.540604][  T421]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.540607][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.540610][  T421]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   30.540613][  T421]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   30.540620][  T421]  _printk (kernel/printk/printk.c:2504)
[   30.540626][  T421]  ? snapshot_read.cold (user.c:?)
[   30.540628][  T421]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.540633][  T421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.540636][  T421]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.540640][  T421]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.540645][  T421]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.540650][  T421]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.540654][  T421]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.540658][  T421]  ? netdev_notice (net/core/dev.c:13194)
[   30.540662][  T421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.540667][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.540672][  T421]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.540678][  T421]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.540682][  T421]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.540686][  T421]  ? 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))
[   30.540696][  T421]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.540700][  T421]  ? __kernel_text_address (kernel/extable.c:79)
[   30.540704][  T421]  ? write_profile (profile.c:?)
[   30.540710][  T421]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.540719][  T421]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.540726][  T421]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.540730][  T421]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.540732][  T421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.540735][  T421]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.540740][  T421]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.540744][  T421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.540747][  T421]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.540752][  T421]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.540755][  T421]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.540758][  T421]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.540762][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.540766][  T421]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   30.540770][  T421]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   30.540778][  T421]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.540781][  T421]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.540786][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.540789][  T421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.540792][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.540794][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.540797][  T421]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.540802][  T421]  ? __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)
[   30.540806][  T421]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.540810][  T421]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.540817][  T421]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.540820][  T421]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.540830][  T421]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.540840][  T421]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.540850][  T421]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.540853][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.540867][  T421]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.540870][  T421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.540874][  T421]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.540877][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.540884][  T421]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.540888][  T421]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.540893][  T421]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.540896][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.540905][  T421]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.540908][  T421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.540914][  T421]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.540917][  T421]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.540923][  T421]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.540934][  T421]  ? 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))
[   30.540936][  T421]  ? 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))
[   30.540944][  T421]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.540951][  T421]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.540956][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   30.540964][  T421]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.540971][  T421]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.540973][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.540978][  T421]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.540984][  T421]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.540991][  T421]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.540995][  T421]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.540998][  T421]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.541001][  T421]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   30.541015][  T421]  ___sys_sendmsg (net/socket.c:2767)
[   30.541019][  T421]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.541050][  T421]  __sys_sendmsg (net/socket.c:2799)
[   30.541055][  T421]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.541066][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.541072][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.541076][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.541081][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.541085][  T421] RIP: 0033:0x7f271f30f54e
[   30.541090][  T421] 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
[   30.541092][  T421] RSP: 002b:00007fff106edbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.541096][  T421] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f271f30f54e
[   30.541098][  T421] RDX: 0000000000000000 RSI: 00007fff106edc70 RDI: 0000000000000005
[   30.541099][  T421] RBP: 00007fff106edbd0 R08: 0000000000000000 R09: 0000000000000000
[   30.541101][  T421] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b828
[   30.541102][  T421] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff106ee340
| [   31.602379][  T427] softirqs last disabled at (23568): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.602385][  T427] Preemption disabled at:
| [   31.602386][  T427] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.602398][  T427] Tainted: [W]=WARN
[   31.602400][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.602402][  T427] Call Trace:
[   31.602405][  T427]  <TASK>
[   31.602407][  T427]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.602413][  T427]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.602416][  T427]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.602422][  T427]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.602427][  T427]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.602434][  T427]  __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))
[   31.602438][  T427]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.602448][  T427]  ? 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)
[   31.602452][  T427]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.602457][  T427]  put_chars (drivers/char/virtio_console.c:1176)
[   31.602462][  T427]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.602468][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.602473][  T427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.602481][  T427]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.602485][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.602488][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.602496][  T427]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.602502][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.602506][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.602513][  T427]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.602519][  T427]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.602521][  T427]  ? 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))
[   31.602526][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.602529][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.602536][  T427]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.602543][  T427]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.602545][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.602557][  T427]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.602563][  T427]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.602565][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.602568][  T427]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.602575][  T427]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.602578][  T427]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.602583][  T427]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.602589][  T427]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.602592][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.602595][  T427]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   31.602598][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   31.602605][  T427]  _printk (kernel/printk/printk.c:2504)
[   31.602610][  T427]  ? snapshot_read.cold (user.c:?)
[   31.602612][  T427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.602617][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.602620][  T427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.602624][  T427]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.602628][  T427]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.602633][  T427]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.602637][  T427]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.602641][  T427]  ? netdev_notice (net/core/dev.c:13194)
[   31.602646][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.602651][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.602655][  T427]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.602661][  T427]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.602665][  T427]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.602670][  T427]  ? 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))
[   31.602680][  T427]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.602683][  T427]  ? __kernel_text_address (kernel/extable.c:79)
[   31.602687][  T427]  ? write_profile (profile.c:?)
[   31.602694][  T427]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.602702][  T427]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.602709][  T427]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.602713][  T427]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.602715][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.602718][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.602723][  T427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.602727][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.602730][  T427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.602734][  T427]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.602739][  T427]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.602741][  T427]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.602746][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.602749][  T427]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   31.602753][  T427]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   31.602761][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.602764][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.602768][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.602771][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.602774][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.602776][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.602779][  T427]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.602783][  T427]  ? __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)
[   31.602788][  T427]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.602792][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.602798][  T427]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.602801][  T427]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.602811][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.602820][  T427]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.602830][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.602834][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.602842][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.602845][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.602848][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.602852][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.602858][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.602862][  T427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.602874][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.602876][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.602884][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.602887][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.602894][  T427]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.602896][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.602902][  T427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.602913][  T427]  ? 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))
[   31.602915][  T427]  ? 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))
[   31.602923][  T427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.602929][  T427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.602934][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   31.602941][  T427]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.602948][  T427]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.602950][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.602955][  T427]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.602960][  T427]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.602967][  T427]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.602971][  T427]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.602975][  T427]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.602977][  T427]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   31.602991][  T427]  ___sys_sendmsg (net/socket.c:2767)
[   31.602996][  T427]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.603026][  T427]  __sys_sendmsg (net/socket.c:2799)
[   31.603031][  T427]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.603043][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.603048][  T427]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.603052][  T427]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.603057][  T427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.603061][  T427] RIP: 0033:0x7f322480e54e
[   31.603066][  T427] 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
[   31.603068][  T427] RSP: 002b:00007fff2ed9b880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.603072][  T427] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f322480e54e
[   31.603074][  T427] RDX: 0000000000000000 RSI: 00007fff2ed9b930 RDI: 0000000000000005
[   31.603076][  T427] RBP: 00007fff2ed9b890 R08: 0000000000000000 R09: 0000000000000000
[   31.603077][  T427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b829
[   31.603079][  T427] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2ed9c000
| [   32.670286][  T434] softirqs last disabled at (19120): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.670289][  T434] Preemption disabled at:
| [   32.670289][  T434] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.670298][  T434] Tainted: [W]=WARN
[   32.670299][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.670301][  T434] Call Trace:
[   32.670302][  T434]  <TASK>
[   32.670304][  T434]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.670309][  T434]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.670311][  T434]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.670315][  T434]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.670318][  T434]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.670324][  T434]  __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))
[   32.670327][  T434]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.670333][  T434]  ? 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)
[   32.670336][  T434]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.670339][  T434]  put_chars (drivers/char/virtio_console.c:1176)
[   32.670342][  T434]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.670346][  T434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.670350][  T434]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.670354][  T434]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.670358][  T434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.670359][  T434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.670364][  T434]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.670368][  T434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.670371][  T434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.670376][  T434]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.670380][  T434]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.670384][  T434]  ? 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))
[   32.670387][  T434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.670388][  T434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.670393][  T434]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.670396][  T434]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.670398][  T434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.670403][  T434]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.670405][  T434]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.670407][  T434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.670408][  T434]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.670412][  T434]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.670414][  T434]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.670418][  T434]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.670422][  T434]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.670424][  T434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.670426][  T434]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   32.670428][  T434]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   32.670432][  T434]  _printk (kernel/printk/printk.c:2504)
[   32.670436][  T434]  ? snapshot_read.cold (user.c:?)
[   32.670438][  T434]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.670440][  T434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.670442][  T434]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.670445][  T434]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.670448][  T434]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.670451][  T434]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.670453][  T434]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.670456][  T434]  ? netdev_notice (net/core/dev.c:13194)
[   32.670458][  T434]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.670462][  T434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.670465][  T434]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.670469][  T434]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.670472][  T434]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.670475][  T434]  ? 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))
[   32.670481][  T434]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.670483][  T434]  ? __kernel_text_address (kernel/extable.c:79)
[   32.670486][  T434]  ? write_profile (profile.c:?)
[   32.670490][  T434]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.670495][  T434]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.670500][  T434]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.670502][  T434]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.670503][  T434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.670505][  T434]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.670509][  T434]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.670511][  T434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.670513][  T434]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.670517][  T434]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.670520][  T434]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.670522][  T434]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.670525][  T434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.670527][  T434]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   32.670530][  T434]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   32.670534][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.670536][  T434]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.670539][  T434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.670541][  T434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.670543][  T434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.670544][  T434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.670546][  T434]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.670548][  T434]  ? __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)
[   32.670552][  T434]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.670556][  T434]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.670562][  T434]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.670564][  T434]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.670572][  T434]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.670577][  T434]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.670583][  T434]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.670584][  T434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.670589][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.670591][  T434]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.670593][  T434]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.670595][  T434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.670599][  T434]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.670601][  T434]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.670604][  T434]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.670605][  T434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.670610][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.670613][  T434]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.670618][  T434]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.670619][  T434]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.670622][  T434]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.670628][  T434]  ? 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))
[   32.670630][  T434]  ? 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))
[   32.670634][  T434]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.670637][  T434]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.670640][  T434]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   32.670644][  T434]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.670648][  T434]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.670649][  T434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.670653][  T434]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.670657][  T434]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.670662][  T434]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.670664][  T434]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.670666][  T434]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.670668][  T434]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   32.670675][  T434]  ___sys_sendmsg (net/socket.c:2767)
[   32.670678][  T434]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.670693][  T434]  __sys_sendmsg (net/socket.c:2799)
[   32.670697][  T434]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.670704][  T434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.670708][  T434]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.670711][  T434]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.670714][  T434]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.670716][  T434] RIP: 0033:0x7ff0ed82954e
[   32.670720][  T434] 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
[   32.670721][  T434] RSP: 002b:00007ffed49329f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.670724][  T434] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff0ed82954e
[   32.670725][  T434] RDX: 0000000000000000 RSI: 00007ffed4932aa0 RDI: 0000000000000005
[   32.670726][  T434] RBP: 00007ffed4932a00 R08: 0000000000000000 R09: 0000000000000000
[   32.670727][  T434] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b82b
[   32.670728][  T434] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed4933170
| [   33.688086][  T442] softirqs last disabled at (33184): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.688088][  T442] Preemption disabled at:
| [   33.688089][  T442] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.688098][  T442] Tainted: [W]=WARN
[   33.688099][  T442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.688101][  T442] Call Trace:
[   33.688102][  T442]  <TASK>
[   33.688104][  T442]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.688109][  T442]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.688110][  T442]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.688115][  T442]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.688118][  T442]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.688124][  T442]  __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))
[   33.688126][  T442]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.688132][  T442]  ? 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)
[   33.688135][  T442]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.688138][  T442]  put_chars (drivers/char/virtio_console.c:1176)
[   33.688141][  T442]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.688145][  T442]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.688149][  T442]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.688154][  T442]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.688157][  T442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.688159][  T442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.688164][  T442]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.688167][  T442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.688170][  T442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.688175][  T442]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.688179][  T442]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.688180][  T442]  ? 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))
[   33.688183][  T442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.688185][  T442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.688189][  T442]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.688193][  T442]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.688194][  T442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.688200][  T442]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.688202][  T442]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.688204][  T442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.688205][  T442]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.688209][  T442]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.688211][  T442]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.688214][  T442]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.688218][  T442]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.688220][  T442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.688222][  T442]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   33.688224][  T442]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   33.688228][  T442]  _printk (kernel/printk/printk.c:2504)
[   33.688232][  T442]  ? snapshot_read.cold (user.c:?)
[   33.688233][  T442]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.688236][  T442]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.688238][  T442]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.688241][  T442]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.688244][  T442]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.688247][  T442]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.688249][  T442]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.688252][  T442]  ? netdev_notice (net/core/dev.c:13194)
[   33.688255][  T442]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.688258][  T442]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.688260][  T442]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.688264][  T442]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.688266][  T442]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.688270][  T442]  ? 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))
[   33.688276][  T442]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.688278][  T442]  ? __kernel_text_address (kernel/extable.c:79)
[   33.688282][  T442]  ? write_profile (profile.c:?)
[   33.688286][  T442]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.688291][  T442]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.688296][  T442]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.688298][  T442]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.688300][  T442]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.688302][  T442]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.688305][  T442]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.688307][  T442]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.688309][  T442]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.688312][  T442]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.688315][  T442]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.688317][  T442]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.688320][  T442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.688322][  T442]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   33.688324][  T442]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   33.688330][  T442]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.688332][  T442]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.688334][  T442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.688336][  T442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.688338][  T442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.688339][  T442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.688341][  T442]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.688344][  T442]  ? __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)
[   33.688347][  T442]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.688349][  T442]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.688353][  T442]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.688355][  T442]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.688361][  T442]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.688366][  T442]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.688372][  T442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.688374][  T442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.688379][  T442]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.688385][  T442]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.688387][  T442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.688388][  T442]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.688392][  T442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.688395][  T442]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.688398][  T442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.688399][  T442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.688404][  T442]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.688406][  T442]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.688410][  T442]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.688411][  T442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.688414][  T442]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.688421][  T442]  ? 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))
[   33.688422][  T442]  ? 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))
[   33.688427][  T442]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.688430][  T442]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.688433][  T442]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   33.688437][  T442]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.688441][  T442]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.688443][  T442]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.688446][  T442]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.688449][  T442]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.688454][  T442]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.688456][  T442]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.688458][  T442]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   33.688460][  T442]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   33.688467][  T442]  ___sys_sendmsg (net/socket.c:2767)
[   33.688470][  T442]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.688486][  T442]  __sys_sendmsg (net/socket.c:2799)
[   33.688490][  T442]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.688496][  T442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.688499][  T442]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.688502][  T442]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.688505][  T442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.688508][  T442] RIP: 0033:0x7f87f84f154e
[   33.688512][  T442] 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
[   33.688513][  T442] RSP: 002b:00007ffdb4d3df50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.688516][  T442] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f87f84f154e
[   33.688518][  T442] RDX: 0000000000000000 RSI: 00007ffdb4d3e000 RDI: 0000000000000005
[   33.688519][  T442] RBP: 00007ffdb4d3df60 R08: 0000000000000000 R09: 0000000000000000
[   33.688520][  T442] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b82c
[   33.688520][  T442] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb4d3e6d0
| [   34.749939][  T452] softirqs last disabled at (14930): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.749941][  T452] Preemption disabled at:
| [   34.749942][  T452] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.749951][  T452] Tainted: [W]=WARN
[   34.749952][  T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.749954][  T452] Call Trace:
[   34.749955][  T452]  <TASK>
[   34.749957][  T452]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.749962][  T452]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.749963][  T452]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.749968][  T452]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.749971][  T452]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.749976][  T452]  __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))
[   34.749979][  T452]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.749985][  T452]  ? 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)
[   34.749988][  T452]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.749991][  T452]  put_chars (drivers/char/virtio_console.c:1176)
[   34.749994][  T452]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.749998][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.750002][  T452]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.750007][  T452]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.750010][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750012][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750017][  T452]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.750020][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750023][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.750028][  T452]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.750031][  T452]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.750033][  T452]  ? 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))
[   34.750035][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750037][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.750041][  T452]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.750045][  T452]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.750047][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750052][  T452]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.750055][  T452]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.750056][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750058][  T452]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.750062][  T452]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.750064][  T452]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.750067][  T452]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.750070][  T452]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.750072][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750074][  T452]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   34.750076][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.750080][  T452]  _printk (kernel/printk/printk.c:2504)
[   34.750084][  T452]  ? snapshot_read.cold (user.c:?)
[   34.750086][  T452]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.750089][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.750091][  T452]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.750093][  T452]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.750096][  T452]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.750099][  T452]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.750101][  T452]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.750104][  T452]  ? netdev_notice (net/core/dev.c:13194)
[   34.750107][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.750110][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.750113][  T452]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.750117][  T452]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.750119][  T452]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.750122][  T452]  ? 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))
[   34.750129][  T452]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.750131][  T452]  ? __kernel_text_address (kernel/extable.c:79)
[   34.750135][  T452]  ? write_profile (profile.c:?)
[   34.750139][  T452]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.750144][  T452]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.750148][  T452]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.750151][  T452]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.750152][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.750154][  T452]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.750158][  T452]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.750160][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.750162][  T452]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.750165][  T452]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.750168][  T452]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.750169][  T452]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.750172][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750174][  T452]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   34.750177][  T452]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   34.750183][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.750185][  T452]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.750188][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750189][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.750191][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750192][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750194][  T452]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.750197][  T452]  ? __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)
[   34.750200][  T452]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.750203][  T452]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.750206][  T452]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.750208][  T452]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.750214][  T452]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.750220][  T452]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.750225][  T452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.750227][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750232][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.750234][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.750236][  T452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.750238][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.750242][  T452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.750244][  T452]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.750247][  T452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.750248][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750253][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.750255][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.750259][  T452]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.750261][  T452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.750264][  T452]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.750270][  T452]  ? 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))
[   34.750271][  T452]  ? 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))
[   34.750276][  T452]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.750279][  T452]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.750282][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   34.750287][  T452]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.750290][  T452]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.750292][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.750295][  T452]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.750299][  T452]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.750303][  T452]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.750305][  T452]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.750308][  T452]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.750309][  T452]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   34.750317][  T452]  ___sys_sendmsg (net/socket.c:2767)
[   34.750320][  T452]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.750336][  T452]  __sys_sendmsg (net/socket.c:2799)
[   34.750339][  T452]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.750346][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750349][  T452]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.750352][  T452]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.750355][  T452]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.750357][  T452] RIP: 0033:0x7f4b09df554e
[   34.750361][  T452] 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
[   34.750363][  T452] RSP: 002b:00007ffc9ac0e660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.750366][  T452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4b09df554e
[   34.750367][  T452] RDX: 0000000000000000 RSI: 00007ffc9ac0e710 RDI: 0000000000000005
[   34.750368][  T452] RBP: 00007ffc9ac0e670 R08: 0000000000000000 R09: 0000000000000000
[   34.750369][  T452] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b82d
[   34.750370][  T452] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9ac0ede0
| [   35.814656][  T460] softirqs last disabled at (18794): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.814659][  T460] Preemption disabled at:
| [   35.814660][  T460] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.814669][  T460] Tainted: [W]=WARN
[   35.814670][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.814672][  T460] Call Trace:
[   35.814673][  T460]  <TASK>
[   35.814675][  T460]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.814680][  T460]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.814682][  T460]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.814686][  T460]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.814690][  T460]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.814695][  T460]  __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))
[   35.814698][  T460]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.814704][  T460]  ? 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)
[   35.814707][  T460]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.814710][  T460]  put_chars (drivers/char/virtio_console.c:1176)
[   35.814714][  T460]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.814717][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.814721][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.814726][  T460]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.814729][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.814731][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.814736][  T460]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.814740][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.814743][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.814747][  T460]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.814751][  T460]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.814752][  T460]  ? 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))
[   35.814755][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.814757][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.814761][  T460]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.814765][  T460]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.814766][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.814772][  T460]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.814774][  T460]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.814776][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.814777][  T460]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.814782][  T460]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.814784][  T460]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.814787][  T460]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.814790][  T460]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.814792][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.814794][  T460]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   35.814796][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   35.814800][  T460]  _printk (kernel/printk/printk.c:2504)
[   35.814804][  T460]  ? snapshot_read.cold (user.c:?)
[   35.814806][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.814809][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.814811][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.814813][  T460]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.814816][  T460]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.814819][  T460]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.814821][  T460]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.814824][  T460]  ? netdev_notice (net/core/dev.c:13194)
[   35.814827][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.814830][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.814832][  T460]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.814836][  T460]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.814838][  T460]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.814841][  T460]  ? 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))
[   35.814848][  T460]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.814850][  T460]  ? __kernel_text_address (kernel/extable.c:79)
[   35.814853][  T460]  ? write_profile (profile.c:?)
[   35.814857][  T460]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.814863][  T460]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.814868][  T460]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.814870][  T460]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.814871][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.814874][  T460]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.814877][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.814883][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.814885][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.814888][  T460]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.814891][  T460]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.814893][  T460]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.814896][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.814898][  T460]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   35.814901][  T460]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   35.814906][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.814908][  T460]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.814911][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.814913][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.814914][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.814916][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.814918][  T460]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.814920][  T460]  ? __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)
[   35.814924][  T460]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.814926][  T460]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.814930][  T460]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.814931][  T460]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.814937][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.814943][  T460]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.814948][  T460]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.814950][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.814955][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.814957][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.814959][  T460]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.814961][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.814965][  T460]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.814967][  T460]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.814970][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.814971][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.814976][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.814978][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.814982][  T460]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.814984][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.814987][  T460]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.814993][  T460]  ? 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))
[   35.814995][  T460]  ? 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))
[   35.814999][  T460]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.815003][  T460]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.815006][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   35.815010][  T460]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.815014][  T460]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.815015][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.815019][  T460]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.815022][  T460]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.815026][  T460]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.815029][  T460]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.815031][  T460]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.815033][  T460]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   35.815040][  T460]  ___sys_sendmsg (net/socket.c:2767)
[   35.815043][  T460]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.815060][  T460]  __sys_sendmsg (net/socket.c:2799)
[   35.815063][  T460]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.815070][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.815073][  T460]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.815076][  T460]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.815079][  T460]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.815081][  T460] RIP: 0033:0x7f0bf769f54e
[   35.815085][  T460] 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
[   35.815087][  T460] RSP: 002b:00007ffc22a25af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.815090][  T460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0bf769f54e
[   35.815091][  T460] RDX: 0000000000000000 RSI: 00007ffc22a25ba0 RDI: 0000000000000005
[   35.815092][  T460] RBP: 00007ffc22a25b00 R08: 0000000000000000 R09: 0000000000000000
[   35.815093][  T460] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b82e
[   35.815094][  T460] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc22a26270
| [   37.098440][  T468] softirqs last disabled at (34356): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.098443][  T468] Preemption disabled at:
| [   37.098444][  T468] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.098456][  T468] Tainted: [W]=WARN
[   37.098457][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.098460][  T468] Call Trace:
[   37.098462][  T468]  <TASK>
[   37.098464][  T468]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.098471][  T468]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.098474][  T468]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.098480][  T468]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.098485][  T468]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.098493][  T468]  __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))
[   37.098497][  T468]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.098506][  T468]  ? 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)
[   37.098510][  T468]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.098515][  T468]  put_chars (drivers/char/virtio_console.c:1176)
[   37.098520][  T468]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.098526][  T468]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.098531][  T468]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.098539][  T468]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.098543][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.098546][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.098555][  T468]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.098562][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.098566][  T468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.098573][  T468]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.098580][  T468]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.098582][  T468]  ? 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))
[   37.098586][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.098589][  T468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.098596][  T468]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.098603][  T468]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.098605][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.098615][  T468]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.098618][  T468]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.098621][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.098624][  T468]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.098630][  T468]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.098633][  T468]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.098638][  T468]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.098644][  T468]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.098647][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.098650][  T468]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   37.098653][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   37.098660][  T468]  _printk (kernel/printk/printk.c:2504)
[   37.098665][  T468]  ? snapshot_read.cold (user.c:?)
[   37.098668][  T468]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.098672][  T468]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.098676][  T468]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.098679][  T468]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.098684][  T468]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.098688][  T468]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.098692][  T468]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.098696][  T468]  ? netdev_notice (net/core/dev.c:13194)
[   37.098700][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.098705][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.098709][  T468]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.098715][  T468]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.098719][  T468]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.098724][  T468]  ? 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))
[   37.098733][  T468]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.098737][  T468]  ? __kernel_text_address (kernel/extable.c:79)
[   37.098741][  T468]  ? write_profile (profile.c:?)
[   37.098747][  T468]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.098756][  T468]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.098762][  T468]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.098766][  T468]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.098768][  T468]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.098772][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.098777][  T468]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.098780][  T468]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.098783][  T468]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.098788][  T468]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.098792][  T468]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.098794][  T468]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.098799][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.098802][  T468]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   37.098806][  T468]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   37.098814][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.098817][  T468]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.098822][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.098825][  T468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.098827][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.098830][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.098833][  T468]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.098837][  T468]  ? __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)
[   37.098842][  T468]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.098846][  T468]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.098852][  T468]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.098855][  T468]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.098864][  T468]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.098874][  T468]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.098889][  T468]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.098892][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.098900][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.098903][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.098907][  T468]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.098910][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.098917][  T468]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.098920][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.098926][  T468]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.098928][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.098936][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.098939][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.098945][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.098948][  T468]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.098953][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.098964][  T468]  ? 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))
[   37.098967][  T468]  ? 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))
[   37.098974][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.098981][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.098986][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   37.098993][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.099000][  T468]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.099002][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.099007][  T468]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.099012][  T468]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.099019][  T468]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.099023][  T468]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.099026][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   37.099029][  T468]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   37.099042][  T468]  ___sys_sendmsg (net/socket.c:2767)
[   37.099047][  T468]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.099076][  T468]  __sys_sendmsg (net/socket.c:2799)
[   37.099081][  T468]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.099092][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.099098][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.099101][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.099106][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.099110][  T468] RIP: 0033:0x7f6317b6d54e
[   37.099115][  T468] 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
[   37.099118][  T468] RSP: 002b:00007fff4a647fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.099122][  T468] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6317b6d54e
[   37.099124][  T468] RDX: 0000000000000000 RSI: 00007fff4a648080 RDI: 0000000000000005
[   37.099125][  T468] RBP: 00007fff4a647fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.099126][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b82f
[   37.099127][  T468] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4a648750
| [   38.324916][  T474] softirqs last disabled at (32880): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.324919][  T474] Preemption disabled at:
| [   38.324920][  T474] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.324932][  T474] Tainted: [W]=WARN
[   38.324934][  T474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.324936][  T474] Call Trace:
[   38.324938][  T474]  <TASK>
[   38.324940][  T474]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.324947][  T474]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.324950][  T474]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.324957][  T474]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.324961][  T474]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.324969][  T474]  __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))
[   38.324973][  T474]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.324982][  T474]  ? 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)
[   38.324986][  T474]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.324991][  T474]  put_chars (drivers/char/virtio_console.c:1176)
[   38.324996][  T474]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.325002][  T474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.325007][  T474]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.325015][  T474]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.325019][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.325022][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.325030][  T474]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.325036][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.325040][  T474]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.325048][  T474]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.325054][  T474]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.325056][  T474]  ? 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))
[   38.325061][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.325064][  T474]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.325071][  T474]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.325078][  T474]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.325080][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.325090][  T474]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.325094][  T474]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.325096][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.325099][  T474]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.325106][  T474]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.325109][  T474]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.325114][  T474]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.325119][  T474]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.325123][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.325126][  T474]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   38.325129][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   38.325136][  T474]  _printk (kernel/printk/printk.c:2504)
[   38.325141][  T474]  ? snapshot_read.cold (user.c:?)
[   38.325143][  T474]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.325149][  T474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.325152][  T474]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.325155][  T474]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.325160][  T474]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.325165][  T474]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.325169][  T474]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.325173][  T474]  ? netdev_notice (net/core/dev.c:13194)
[   38.325177][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.325182][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.325187][  T474]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.325193][  T474]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.325197][  T474]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.325202][  T474]  ? 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))
[   38.325211][  T474]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.325215][  T474]  ? __kernel_text_address (kernel/extable.c:79)
[   38.325219][  T474]  ? write_profile (profile.c:?)
[   38.325225][  T474]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.325234][  T474]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.325241][  T474]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.325245][  T474]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.325247][  T474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.325250][  T474]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.325255][  T474]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.325259][  T474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.325262][  T474]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.325267][  T474]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.325270][  T474]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.325273][  T474]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.325278][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.325281][  T474]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   38.325285][  T474]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   38.325292][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.325296][  T474]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.325300][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.325304][  T474]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.325306][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.325308][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.325312][  T474]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.325316][  T474]  ? __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)
[   38.325320][  T474]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.325324][  T474]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.325330][  T474]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.325333][  T474]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.325343][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.325353][  T474]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.325366][  T474]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.325370][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.325378][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.325381][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.325385][  T474]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.325388][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.325395][  T474]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.325398][  T474]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.325404][  T474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.325406][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.325414][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.325417][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.325424][  T474]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.325427][  T474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.325432][  T474]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.325443][  T474]  ? 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))
[   38.325446][  T474]  ? 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))
[   38.325454][  T474]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.325460][  T474]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.325465][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   38.325473][  T474]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.325479][  T474]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.325482][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.325487][  T474]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.325492][  T474]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.325499][  T474]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.325503][  T474]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.325507][  T474]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.325509][  T474]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   38.325523][  T474]  ___sys_sendmsg (net/socket.c:2767)
[   38.325528][  T474]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.325562][  T474]  __sys_sendmsg (net/socket.c:2799)
[   38.325567][  T474]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.325578][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.325584][  T474]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.325588][  T474]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.325593][  T474]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.325597][  T474] RIP: 0033:0x7fe78003954e
[   38.325601][  T474] 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
[   38.325604][  T474] RSP: 002b:00007ffcfbdbd0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.325608][  T474] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe78003954e
[   38.325610][  T474] RDX: 0000000000000000 RSI: 00007ffcfbdbd1a0 RDI: 0000000000000005
[   38.325611][  T474] RBP: 00007ffcfbdbd100 R08: 0000000000000000 R09: 0000000000000000
[   38.325613][  T474] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b830
[   38.325614][  T474] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfbdbd870
| [   39.360007][  T482] softirqs last disabled at (17010): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   39.360010][  T482] Preemption disabled at:
| [   39.360010][  T482] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.360019][  T482] Tainted: [W]=WARN
[   39.360020][  T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.360022][  T482] Call Trace:
[   39.360024][  T482]  <TASK>
[   39.360025][  T482]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.360030][  T482]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.360032][  T482]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.360036][  T482]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.360039][  T482]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.360044][  T482]  __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))
[   39.360047][  T482]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.360053][  T482]  ? 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)
[   39.360056][  T482]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.360060][  T482]  put_chars (drivers/char/virtio_console.c:1176)
[   39.360063][  T482]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.360066][  T482]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.360070][  T482]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.360075][  T482]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.360078][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.360080][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.360085][  T482]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.360088][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.360091][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.360095][  T482]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.360099][  T482]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.360100][  T482]  ? 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))
[   39.360103][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.360105][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.360109][  T482]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.360113][  T482]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.360115][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.360120][  T482]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.360123][  T482]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.360124][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.360126][  T482]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.360130][  T482]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.360132][  T482]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.360135][  T482]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.360138][  T482]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.360140][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.360142][  T482]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   39.360145][  T482]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.360149][  T482]  _printk (kernel/printk/printk.c:2504)
[   39.360152][  T482]  ? snapshot_read.cold (user.c:?)
[   39.360154][  T482]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.360157][  T482]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.360159][  T482]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.360161][  T482]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.360165][  T482]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.360167][  T482]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.360170][  T482]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.360172][  T482]  ? netdev_notice (net/core/dev.c:13194)
[   39.360175][  T482]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.360178][  T482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.360181][  T482]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.360185][  T482]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.360187][  T482]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.360190][  T482]  ? 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))
[   39.360196][  T482]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.360198][  T482]  ? __kernel_text_address (kernel/extable.c:79)
[   39.360201][  T482]  ? write_profile (profile.c:?)
[   39.360205][  T482]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.360211][  T482]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.360215][  T482]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.360218][  T482]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.360219][  T482]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.360221][  T482]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.360225][  T482]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.360227][  T482]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.360229][  T482]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.360232][  T482]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.360234][  T482]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.360236][  T482]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.360239][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.360241][  T482]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   39.360244][  T482]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   39.360249][  T482]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.360251][  T482]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.360254][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.360256][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.360258][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.360259][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.360261][  T482]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.360264][  T482]  ? __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)
[   39.360267][  T482]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.360269][  T482]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.360273][  T482]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.360275][  T482]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.360281][  T482]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.360286][  T482]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.360292][  T482]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.360294][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.360299][  T482]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.360301][  T482]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.360303][  T482]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.360305][  T482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.360309][  T482]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.360311][  T482]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.360314][  T482]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.360315][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.360320][  T482]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.360322][  T482]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.360326][  T482]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.360328][  T482]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.360331][  T482]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.360337][  T482]  ? 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))
[   39.360339][  T482]  ? 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))
[   39.360343][  T482]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.360347][  T482]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.360350][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   39.360355][  T482]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.360358][  T482]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.360360][  T482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.360363][  T482]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.360367][  T482]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.360371][  T482]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.360373][  T482]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.360376][  T482]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.360377][  T482]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   39.360388][  T482]  ___sys_sendmsg (net/socket.c:2767)
[   39.360391][  T482]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.360407][  T482]  __sys_sendmsg (net/socket.c:2799)
[   39.360410][  T482]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.360416][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.360419][  T482]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.360422][  T482]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.360425][  T482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.360428][  T482] RIP: 0033:0x7feda2f6654e
[   39.360431][  T482] 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
[   39.360433][  T482] RSP: 002b:00007ffe9d250100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.360436][  T482] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feda2f6654e
[   39.360437][  T482] RDX: 0000000000000000 RSI: 00007ffe9d2501b0 RDI: 0000000000000005
[   39.360438][  T482] RBP: 00007ffe9d250110 R08: 0000000000000000 R09: 0000000000000000
[   39.360439][  T482] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b831
[   39.360439][  T482] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9d250880
| [   40.394225][  T492] softirqs last disabled at (27782): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.394227][  T492] Preemption disabled at:
| [   40.394228][  T492] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.394237][  T492] Tainted: [W]=WARN
[   40.394238][  T492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.394239][  T492] Call Trace:
[   40.394241][  T492]  <TASK>
[   40.394242][  T492]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.394247][  T492]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.394249][  T492]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.394254][  T492]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.394257][  T492]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.394262][  T492]  __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))
[   40.394264][  T492]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.394271][  T492]  ? 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)
[   40.394274][  T492]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.394277][  T492]  put_chars (drivers/char/virtio_console.c:1176)
[   40.394280][  T492]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.394284][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.394287][  T492]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.394292][  T492]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.394296][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.394298][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.394303][  T492]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.394306][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.394309][  T492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.394313][  T492]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.394317][  T492]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.394318][  T492]  ? 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))
[   40.394321][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.394323][  T492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.394327][  T492]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.394331][  T492]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.394333][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.394338][  T492]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.394341][  T492]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.394342][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.394344][  T492]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.394348][  T492]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.394350][  T492]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.394353][  T492]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.394357][  T492]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.394359][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.394361][  T492]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   40.394363][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   40.394367][  T492]  _printk (kernel/printk/printk.c:2504)
[   40.394370][  T492]  ? snapshot_read.cold (user.c:?)
[   40.394372][  T492]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.394375][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.394377][  T492]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.394380][  T492]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.394385][  T492]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.394388][  T492]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.394390][  T492]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.394393][  T492]  ? netdev_notice (net/core/dev.c:13194)
[   40.394396][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.394399][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.394402][  T492]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.394405][  T492]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.394408][  T492]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.394411][  T492]  ? 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))
[   40.394417][  T492]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.394420][  T492]  ? __kernel_text_address (kernel/extable.c:79)
[   40.394423][  T492]  ? write_profile (profile.c:?)
[   40.394427][  T492]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.394432][  T492]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.394437][  T492]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.394439][  T492]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.394441][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.394443][  T492]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.394446][  T492]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.394448][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.394450][  T492]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.394453][  T492]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.394456][  T492]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.394458][  T492]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.394461][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.394463][  T492]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   40.394466][  T492]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   40.394471][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.394473][  T492]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.394476][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.394478][  T492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.394479][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.394481][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.394483][  T492]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.394485][  T492]  ? __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)
[   40.394488][  T492]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.394491][  T492]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.394494][  T492]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.394496][  T492]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.394502][  T492]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.394508][  T492]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.394513][  T492]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.394515][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.394520][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.394522][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.394524][  T492]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.394526][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.394530][  T492]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.394532][  T492]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.394535][  T492]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.394537][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.394541][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.394544][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.394547][  T492]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.394549][  T492]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.394552][  T492]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.394562][  T492]  ? 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))
[   40.394563][  T492]  ? 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))
[   40.394568][  T492]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.394572][  T492]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.394575][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   40.394579][  T492]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.394583][  T492]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.394584][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.394587][  T492]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.394591][  T492]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.394596][  T492]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.394598][  T492]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.394600][  T492]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.394602][  T492]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   40.394610][  T492]  ___sys_sendmsg (net/socket.c:2767)
[   40.394613][  T492]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.394629][  T492]  __sys_sendmsg (net/socket.c:2799)
[   40.394633][  T492]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.394639][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.394643][  T492]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.394645][  T492]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.394648][  T492]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.394650][  T492] RIP: 0033:0x7f891892454e
[   40.394654][  T492] 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
[   40.394656][  T492] RSP: 002b:00007ffeef21df20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.394659][  T492] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f891892454e
[   40.394660][  T492] RDX: 0000000000000000 RSI: 00007ffeef21dfd0 RDI: 0000000000000005
[   40.394661][  T492] RBP: 00007ffeef21df30 R08: 0000000000000000 R09: 0000000000000000
[   40.394662][  T492] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b832
[   40.394663][  T492] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeef21e6a0
| [   41.462354][  T502] softirqs last disabled at (15414): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   41.462357][  T502] Preemption disabled at:
| [   41.462357][  T502] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.462367][  T502] Tainted: [W]=WARN
[   41.462368][  T502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.462370][  T502] Call Trace:
[   41.462372][  T502]  <TASK>
[   41.462373][  T502]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.462378][  T502]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.462380][  T502]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.462387][  T502]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.462391][  T502]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.462396][  T502]  __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))
[   41.462398][  T502]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.462405][  T502]  ? 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)
[   41.462408][  T502]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.462412][  T502]  put_chars (drivers/char/virtio_console.c:1176)
[   41.462415][  T502]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.462419][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.462422][  T502]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.462427][  T502]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.462431][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.462433][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.462438][  T502]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.462441][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.462444][  T502]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.462449][  T502]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.462453][  T502]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.462454][  T502]  ? 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))
[   41.462457][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.462459][  T502]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.462463][  T502]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.462467][  T502]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.462469][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.462475][  T502]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.462477][  T502]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.462478][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.462480][  T502]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.462485][  T502]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.462486][  T502]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.462489][  T502]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.462493][  T502]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.462495][  T502]  ? clockevents_program_event (kernel/time/clockevents.c:363)
[   41.462502][  T502]  _printk (kernel/printk/printk.c:2504)
[   41.462505][  T502]  ? snapshot_read.cold (user.c:?)
[   41.462507][  T502]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.462510][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.462512][  T502]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.462515][  T502]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.462518][  T502]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.462521][  T502]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.462523][  T502]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.462526][  T502]  ? netdev_notice (net/core/dev.c:13194)
[   41.462529][  T502]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.462532][  T502]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.462535][  T502]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.462539][  T502]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.462541][  T502]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   41.462545][  T502]  ? validate_linkmsg (net/core/rtnetlink.c:2798)
[   41.462549][  T502]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   41.462552][  T502]  ? __kernel_text_address (kernel/extable.c:79)
[   41.462555][  T502]  ? write_profile (profile.c:?)
[   41.462560][  T502]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.462567][  T502]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.462572][  T502]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.462574][  T502]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.462576][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.462578][  T502]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.462582][  T502]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.462584][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.462586][  T502]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.462589][  T502]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.462592][  T502]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.462594][  T502]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.462597][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.462599][  T502]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   41.462602][  T502]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   41.462607][  T502]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.462609][  T502]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.462612][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.462614][  T502]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.462616][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.462617][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.462619][  T502]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.462622][  T502]  ? __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)
[   41.462625][  T502]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.462628][  T502]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.462631][  T502]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.462633][  T502]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.462639][  T502]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.462645][  T502]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.462651][  T502]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.462652][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.462657][  T502]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.462659][  T502]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.462662][  T502]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.462663][  T502]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.462668][  T502]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.462670][  T502]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.462673][  T502]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.462674][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.462679][  T502]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.462681][  T502]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.462685][  T502]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.462687][  T502]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.462690][  T502]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.462697][  T502]  ? 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))
[   41.462698][  T502]  ? 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))
[   41.462702][  T502]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.462706][  T502]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.462709][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   41.462714][  T502]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.462718][  T502]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.462719][  T502]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.462722][  T502]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.462726][  T502]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.462730][  T502]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.462733][  T502]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.462735][  T502]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.462737][  T502]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   41.462745][  T502]  ___sys_sendmsg (net/socket.c:2767)
[   41.462747][  T502]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.462764][  T502]  __sys_sendmsg (net/socket.c:2799)
[   41.462768][  T502]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.462775][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.462778][  T502]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.462781][  T502]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.462784][  T502]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.462787][  T502] RIP: 0033:0x7f641271554e
[   41.462791][  T502] 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
[   41.462793][  T502] RSP: 002b:00007ffdefb9b8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.462796][  T502] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f641271554e
[   41.462797][  T502] RDX: 0000000000000000 RSI: 00007ffdefb9b980 RDI: 0000000000000005
[   41.462798][  T502] RBP: 00007ffdefb9b8e0 R08: 0000000000000000 R09: 0000000000000000
[   41.462799][  T502] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b833
[   41.462800][  T502] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdefb9c050
| [   42.555191][  T513] softirqs last disabled at (26562): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   42.555194][  T513] Preemption disabled at:
| [   42.555195][  T513] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.555204][  T513] Tainted: [W]=WARN
[   42.555205][  T513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.555207][  T513] Call Trace:
[   42.555208][  T513]  <TASK>
[   42.555210][  T513]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.555215][  T513]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.555217][  T513]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.555222][  T513]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.555225][  T513]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.555230][  T513]  __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))
[   42.555233][  T513]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.555239][  T513]  ? 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)
[   42.555242][  T513]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.555246][  T513]  put_chars (drivers/char/virtio_console.c:1176)
[   42.555249][  T513]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.555253][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.555257][  T513]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.555262][  T513]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.555265][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.555267][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.555272][  T513]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.555275][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.555278][  T513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.555282][  T513]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.555286][  T513]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.555287][  T513]  ? 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))
[   42.555290][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.555292][  T513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.555297][  T513]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.555301][  T513]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.555302][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.555308][  T513]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.555310][  T513]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.555311][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.555313][  T513]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.555317][  T513]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.555319][  T513]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.555322][  T513]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.555326][  T513]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.555328][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.555330][  T513]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   42.555332][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   42.555336][  T513]  _printk (kernel/printk/printk.c:2504)
[   42.555340][  T513]  ? snapshot_read.cold (user.c:?)
[   42.555341][  T513]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.555344][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.555346][  T513]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.555349][  T513]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.555352][  T513]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.555355][  T513]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.555357][  T513]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.555360][  T513]  ? netdev_notice (net/core/dev.c:13194)
[   42.555363][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.555366][  T513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.555368][  T513]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.555372][  T513]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.555374][  T513]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   42.555378][  T513]  ? 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))
[   42.555386][  T513]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   42.555389][  T513]  ? __kernel_text_address (kernel/extable.c:79)
[   42.555392][  T513]  ? write_profile (profile.c:?)
[   42.555396][  T513]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   42.555402][  T513]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.555407][  T513]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.555409][  T513]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.555411][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.555413][  T513]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.555416][  T513]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.555419][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.555421][  T513]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.555424][  T513]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.555426][  T513]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.555428][  T513]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.555431][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.555433][  T513]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   42.555436][  T513]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   42.555441][  T513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.555443][  T513]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.555446][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.555448][  T513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.555450][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.555451][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.555453][  T513]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.555456][  T513]  ? __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)
[   42.555459][  T513]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.555462][  T513]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.555465][  T513]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.555467][  T513]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.555474][  T513]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.555479][  T513]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.555485][  T513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.555486][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.555491][  T513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.555493][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.555496][  T513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.555498][  T513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.555502][  T513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.555504][  T513]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.555507][  T513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.555508][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.555513][  T513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.555515][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.555519][  T513]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.555521][  T513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.555524][  T513]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.555531][  T513]  ? 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))
[   42.555532][  T513]  ? 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))
[   42.555537][  T513]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.555541][  T513]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.555544][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   42.555548][  T513]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.555552][  T513]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.555554][  T513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.555558][  T513]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.555562][  T513]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.555567][  T513]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.555569][  T513]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.555571][  T513]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.555573][  T513]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   42.555581][  T513]  ___sys_sendmsg (net/socket.c:2767)
[   42.555584][  T513]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.555601][  T513]  __sys_sendmsg (net/socket.c:2799)
[   42.555604][  T513]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.555611][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.555614][  T513]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.555617][  T513]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.555620][  T513]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.555622][  T513] RIP: 0033:0x7febec8b654e
[   42.555626][  T513] 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
[   42.555628][  T513] RSP: 002b:00007ffcba73cd60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.555631][  T513] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007febec8b654e
[   42.555632][  T513] RDX: 0000000000000000 RSI: 00007ffcba73ce10 RDI: 0000000000000005
[   42.555633][  T513] RBP: 00007ffcba73cd70 R08: 0000000000000000 R09: 0000000000000000
[   42.555634][  T513] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b834
[   42.555635][  T513] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcba73d4e0
| [   43.615281][  T520] softirqs last disabled at (26902): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   43.615284][  T520] Preemption disabled at:
| [   43.615286][  T520] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.615298][  T520] Tainted: [W]=WARN
[   43.615299][  T520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.615301][  T520] Call Trace:
[   43.615304][  T520]  <TASK>
[   43.615306][  T520]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.615313][  T520]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.615316][  T520]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.615322][  T520]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.615327][  T520]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.615335][  T520]  __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))
[   43.615339][  T520]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.615348][  T520]  ? 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)
[   43.615352][  T520]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.615358][  T520]  put_chars (drivers/char/virtio_console.c:1176)
[   43.615362][  T520]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.615369][  T520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.615374][  T520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.615384][  T520]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.615389][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.615392][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.615401][  T520]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.615407][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.615411][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.615419][  T520]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.615425][  T520]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.615427][  T520]  ? 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))
[   43.615432][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.615435][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.615443][  T520]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.615450][  T520]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.615452][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.615462][  T520]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.615466][  T520]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.615469][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.615472][  T520]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.615478][  T520]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.615481][  T520]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.615487][  T520]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.615492][  T520]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.615496][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.615499][  T520]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   43.615503][  T520]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   43.615510][  T520]  _printk (kernel/printk/printk.c:2504)
[   43.615515][  T520]  ? snapshot_read.cold (user.c:?)
[   43.615518][  T520]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.615523][  T520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.615526][  T520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.615530][  T520]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.615535][  T520]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.615540][  T520]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.615544][  T520]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.615548][  T520]  ? netdev_notice (net/core/dev.c:13194)
[   43.615554][  T520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.615561][  T520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.615566][  T520]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.615572][  T520]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.615576][  T520]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   43.615581][  T520]  ? 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))
[   43.615591][  T520]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   43.615595][  T520]  ? __kernel_text_address (kernel/extable.c:79)
[   43.615600][  T520]  ? write_profile (profile.c:?)
[   43.615606][  T520]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   43.615614][  T520]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.615622][  T520]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.615626][  T520]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.615628][  T520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.615632][  T520]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.615636][  T520]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.615640][  T520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.615643][  T520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.615648][  T520]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.615652][  T520]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.615654][  T520]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.615659][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.615662][  T520]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   43.615666][  T520]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   43.615674][  T520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.615678][  T520]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.615683][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.615686][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.615689][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.615691][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.615694][  T520]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.615699][  T520]  ? __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)
[   43.615704][  T520]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.615708][  T520]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.615714][  T520]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.615717][  T520]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.615728][  T520]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.615738][  T520]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.615748][  T520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.615752][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.615760][  T520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.615763][  T520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.615767][  T520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.615770][  T520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.615778][  T520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.615782][  T520]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.615787][  T520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.615790][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.615798][  T520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.615802][  T520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.615809][  T520]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.615811][  T520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.615817][  T520]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.615829][  T520]  ? 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))
[   43.615832][  T520]  ? 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))
[   43.615840][  T520]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.615847][  T520]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.615852][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   43.615860][  T520]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.615867][  T520]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.615870][  T520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.615875][  T520]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.615880][  T520]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.615888][  T520]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.615892][  T520]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.615895][  T520]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.615898][  T520]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   43.615917][  T520]  ___sys_sendmsg (net/socket.c:2767)
[   43.615923][  T520]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.615955][  T520]  __sys_sendmsg (net/socket.c:2799)
[   43.615961][  T520]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.615973][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.615979][  T520]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.615982][  T520]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.615988][  T520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.615992][  T520] RIP: 0033:0x7f8091ed754e
[   43.615997][  T520] 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
[   43.616000][  T520] RSP: 002b:00007ffda741a150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.616004][  T520] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8091ed754e
[   43.616007][  T520] RDX: 0000000000000000 RSI: 00007ffda741a200 RDI: 0000000000000005
[   43.616008][  T520] RBP: 00007ffda741a160 R08: 0000000000000000 R09: 0000000000000000
[   43.616010][  T520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b836
[   43.616012][  T520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda741a8d0
| [   44.854623][  T526] softirqs last disabled at (40014): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.854626][  T526] Preemption disabled at:
| [   44.854627][  T526] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.854639][  T526] Tainted: [W]=WARN
[   44.854641][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.854643][  T526] Call Trace:
[   44.854645][  T526]  <TASK>
[   44.854647][  T526]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.854654][  T526]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.854657][  T526]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.854663][  T526]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.854667][  T526]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.854675][  T526]  __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))
[   44.854679][  T526]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.854688][  T526]  ? 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)
[   44.854692][  T526]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.854697][  T526]  put_chars (drivers/char/virtio_console.c:1176)
[   44.854702][  T526]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.854708][  T526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.854712][  T526]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.854720][  T526]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.854724][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.854727][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.854735][  T526]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.854741][  T526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.854745][  T526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.854752][  T526]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.854758][  T526]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.854760][  T526]  ? 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))
[   44.854765][  T526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.854768][  T526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.854775][  T526]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.854782][  T526]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.854784][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.854793][  T526]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.854797][  T526]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.854799][  T526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.854802][  T526]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.854809][  T526]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.854812][  T526]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.854817][  T526]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.854823][  T526]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.854826][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.854829][  T526]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   44.854832][  T526]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.854839][  T526]  _printk (kernel/printk/printk.c:2504)
[   44.854844][  T526]  ? snapshot_read.cold (user.c:?)
[   44.854846][  T526]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.854851][  T526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.854854][  T526]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.854858][  T526]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.854862][  T526]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.854867][  T526]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.854870][  T526]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.854874][  T526]  ? netdev_notice (net/core/dev.c:13194)
[   44.854878][  T526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.854883][  T526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.854888][  T526]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.854894][  T526]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.854897][  T526]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.854902][  T526]  ? 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))
[   44.854917][  T526]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.854921][  T526]  ? __kernel_text_address (kernel/extable.c:79)
[   44.854924][  T526]  ? write_profile (profile.c:?)
[   44.854930][  T526]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.854938][  T526]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.854945][  T526]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.854949][  T526]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.854951][  T526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.854954][  T526]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.854959][  T526]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.854962][  T526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.854965][  T526]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.854970][  T526]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.854974][  T526]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.854976][  T526]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.854981][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.854984][  T526]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   44.854988][  T526]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   44.854995][  T526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.854998][  T526]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.855002][  T526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.855006][  T526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.855008][  T526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.855010][  T526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.855013][  T526]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.855017][  T526]  ? __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)
[   44.855021][  T526]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.855025][  T526]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.855031][  T526]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.855034][  T526]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.855043][  T526]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.855053][  T526]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.855062][  T526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.855066][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.855074][  T526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.855077][  T526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.855080][  T526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.855083][  T526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.855090][  T526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.855093][  T526]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.855099][  T526]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.855101][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.855109][  T526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.855112][  T526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.855118][  T526]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.855121][  T526]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.855126][  T526]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.855136][  T526]  ? 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))
[   44.855139][  T526]  ? 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))
[   44.855146][  T526]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.855153][  T526]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.855157][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   44.855164][  T526]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.855171][  T526]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.855173][  T526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.855178][  T526]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.855183][  T526]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.855191][  T526]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.855194][  T526]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.855198][  T526]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.855200][  T526]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   44.855214][  T526]  ___sys_sendmsg (net/socket.c:2767)
[   44.855218][  T526]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.855248][  T526]  __sys_sendmsg (net/socket.c:2799)
[   44.855253][  T526]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.855265][  T526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.855270][  T526]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.855274][  T526]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.855279][  T526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.855282][  T526] RIP: 0033:0x7fd5ce5a854e
[   44.855287][  T526] 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
[   44.855289][  T526] RSP: 002b:00007ffc774ee8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.855293][  T526] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd5ce5a854e
[   44.855295][  T526] RDX: 0000000000000000 RSI: 00007ffc774ee980 RDI: 0000000000000005
[   44.855296][  T526] RBP: 00007ffc774ee8e0 R08: 0000000000000000 R09: 0000000000000000
[   44.855298][  T526] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b837
[   44.855299][  T526] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc774ef050
| [   45.942021][  T536] softirqs last disabled at (15554): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.942023][  T536] Preemption disabled at:
| [   45.942024][  T536] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.942033][  T536] Tainted: [W]=WARN
[   45.942034][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.942036][  T536] Call Trace:
[   45.942038][  T536]  <TASK>
[   45.942039][  T536]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.942045][  T536]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.942046][  T536]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.942051][  T536]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.942054][  T536]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.942060][  T536]  __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))
[   45.942062][  T536]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.942069][  T536]  ? 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)
[   45.942072][  T536]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.942075][  T536]  put_chars (drivers/char/virtio_console.c:1176)
[   45.942078][  T536]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.942082][  T536]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.942086][  T536]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.942091][  T536]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.942094][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.942096][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.942101][  T536]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.942104][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.942107][  T536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.942112][  T536]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.942115][  T536]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.942117][  T536]  ? 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))
[   45.942119][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.942121][  T536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.942126][  T536]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.942130][  T536]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.942131][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.942137][  T536]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.942139][  T536]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.942140][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.942142][  T536]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.942146][  T536]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.942148][  T536]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.942151][  T536]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.942154][  T536]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.942157][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.942159][  T536]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   45.942161][  T536]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   45.942165][  T536]  _printk (kernel/printk/printk.c:2504)
[   45.942168][  T536]  ? snapshot_read.cold (user.c:?)
[   45.942170][  T536]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.942173][  T536]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.942175][  T536]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.942177][  T536]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.942181][  T536]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.942183][  T536]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.942186][  T536]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.942189][  T536]  ? netdev_notice (net/core/dev.c:13194)
[   45.942191][  T536]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.942194][  T536]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.942197][  T536]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.942201][  T536]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.942203][  T536]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.942206][  T536]  ? 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))
[   45.942212][  T536]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.942215][  T536]  ? __kernel_text_address (kernel/extable.c:79)
[   45.942218][  T536]  ? write_profile (profile.c:?)
[   45.942222][  T536]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.942228][  T536]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.942232][  T536]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.942235][  T536]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.942236][  T536]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.942238][  T536]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.942242][  T536]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.942244][  T536]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.942246][  T536]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.942249][  T536]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.942252][  T536]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.942253][  T536]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.942256][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.942258][  T536]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   45.942261][  T536]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   45.942266][  T536]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.942268][  T536]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.942271][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.942273][  T536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.942275][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.942276][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.942278][  T536]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.942280][  T536]  ? __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)
[   45.942284][  T536]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.942286][  T536]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.942290][  T536]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.942292][  T536]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.942298][  T536]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.942303][  T536]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.942308][  T536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.942310][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.942315][  T536]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.942317][  T536]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.942319][  T536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.942321][  T536]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.942325][  T536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.942327][  T536]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.942330][  T536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.942332][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.942336][  T536]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.942339][  T536]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.942342][  T536]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.942344][  T536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.942347][  T536]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.942354][  T536]  ? 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))
[   45.942355][  T536]  ? 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))
[   45.942359][  T536]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.942363][  T536]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.942366][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   45.942370][  T536]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.942374][  T536]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.942376][  T536]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.942379][  T536]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.942385][  T536]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.942389][  T536]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.942391][  T536]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.942393][  T536]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.942395][  T536]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   45.942403][  T536]  ___sys_sendmsg (net/socket.c:2767)
[   45.942406][  T536]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.942422][  T536]  __sys_sendmsg (net/socket.c:2799)
[   45.942425][  T536]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.942432][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.942435][  T536]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.942438][  T536]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.942441][  T536]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.942443][  T536] RIP: 0033:0x7ff8e5c9c54e
[   45.942447][  T536] 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
[   45.942449][  T536] RSP: 002b:00007ffd374d6c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.942452][  T536] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff8e5c9c54e
[   45.942453][  T536] RDX: 0000000000000000 RSI: 00007ffd374d6d20 RDI: 0000000000000005
[   45.942454][  T536] RBP: 00007ffd374d6c80 R08: 0000000000000000 R09: 0000000000000000
[   45.942455][  T536] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b838
[   45.942456][  T536] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd374d73f0
| [   46.955498][  T545] softirqs last disabled at (20154): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   46.955501][  T545] Preemption disabled at:
| [   46.955502][  T545] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.955511][  T545] Tainted: [W]=WARN
[   46.955512][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.955514][  T545] Call Trace:
[   46.955515][  T545]  <TASK>
[   46.955517][  T545]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.955522][  T545]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.955524][  T545]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.955529][  T545]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.955532][  T545]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.955537][  T545]  __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))
[   46.955540][  T545]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.955546][  T545]  ? 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)
[   46.955549][  T545]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.955553][  T545]  put_chars (drivers/char/virtio_console.c:1176)
[   46.955557][  T545]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.955561][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.955565][  T545]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.955569][  T545]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.955573][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.955575][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.955579][  T545]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.955583][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.955586][  T545]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.955590][  T545]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.955594][  T545]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.955595][  T545]  ? 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))
[   46.955598][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.955600][  T545]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.955604][  T545]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.955608][  T545]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.955610][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.955615][  T545]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.955618][  T545]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.955619][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.955621][  T545]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.955625][  T545]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.955627][  T545]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.955630][  T545]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.955636][  T545]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.955638][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.955640][  T545]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   46.955642][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   46.955646][  T545]  _printk (kernel/printk/printk.c:2504)
[   46.955650][  T545]  ? snapshot_read.cold (user.c:?)
[   46.955652][  T545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.955655][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.955657][  T545]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.955660][  T545]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.955663][  T545]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.955666][  T545]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.955668][  T545]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.955671][  T545]  ? netdev_notice (net/core/dev.c:13194)
[   46.955674][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.955677][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.955680][  T545]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.955683][  T545]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.955686][  T545]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   46.955689][  T545]  ? 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))
[   46.955695][  T545]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   46.955698][  T545]  ? __kernel_text_address (kernel/extable.c:79)
[   46.955701][  T545]  ? write_profile (profile.c:?)
[   46.955705][  T545]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   46.955710][  T545]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.955716][  T545]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.955718][  T545]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.955719][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.955722][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.955725][  T545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.955728][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.955730][  T545]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.955733][  T545]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.955736][  T545]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.955737][  T545]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.955740][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.955742][  T545]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   46.955746][  T545]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   46.955750][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.955753][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.955756][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.955758][  T545]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.955760][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.955761][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.955763][  T545]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.955765][  T545]  ? __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)
[   46.955769][  T545]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.955771][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.955775][  T545]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.955777][  T545]  ? nla_get_range_signed (lib/nlattr.c:270)
[   46.955783][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.955788][  T545]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.955794][  T545]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.955795][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.955800][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.955802][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.955805][  T545]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.955807][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.955811][  T545]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.955813][  T545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.955816][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.955817][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.955822][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.955824][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.955828][  T545]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.955830][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.955833][  T545]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.955839][  T545]  ? 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))
[   46.955841][  T545]  ? 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))
[   46.955845][  T545]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.955849][  T545]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.955852][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   46.955856][  T545]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.955860][  T545]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.955862][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.955865][  T545]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.955868][  T545]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.955872][  T545]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.955875][  T545]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.955877][  T545]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.955879][  T545]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   46.955886][  T545]  ___sys_sendmsg (net/socket.c:2767)
[   46.955889][  T545]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.955905][  T545]  __sys_sendmsg (net/socket.c:2799)
[   46.955909][  T545]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.955915][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.955924][  T545]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.955927][  T545]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.955930][  T545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.955933][  T545] RIP: 0033:0x7fece50b954e
[   46.955937][  T545] 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
[   46.955939][  T545] RSP: 002b:00007ffcb8808c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.955941][  T545] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fece50b954e
[   46.955943][  T545] RDX: 0000000000000000 RSI: 00007ffcb8808cb0 RDI: 0000000000000005
[   46.955944][  T545] RBP: 00007ffcb8808c10 R08: 0000000000000000 R09: 0000000000000000
[   46.955945][  T545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b839
[   46.955946][  T545] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb8809380
| [   47.957154][  T553] softirqs last disabled at (27074): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.957157][  T553] Preemption disabled at:
| [   47.957158][  T553] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.957167][  T553] Tainted: [W]=WARN
[   47.957168][  T553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.957169][  T553] Call Trace:
[   47.957171][  T553]  <TASK>
[   47.957172][  T553]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.957177][  T553]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.957179][  T553]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.957184][  T553]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.957187][  T553]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.957192][  T553]  __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))
[   47.957195][  T553]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.957201][  T553]  ? 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)
[   47.957204][  T553]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.957207][  T553]  put_chars (drivers/char/virtio_console.c:1176)
[   47.957210][  T553]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.957214][  T553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.957218][  T553]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.957222][  T553]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.957226][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.957228][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.957233][  T553]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.957236][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.957239][  T553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.957243][  T553]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.957247][  T553]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.957248][  T553]  ? 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))
[   47.957251][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.957253][  T553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.957257][  T553]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.957261][  T553]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.957262][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.957268][  T553]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.957270][  T553]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.957272][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.957273][  T553]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.957277][  T553]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.957279][  T553]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.957282][  T553]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.957286][  T553]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.957288][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.957290][  T553]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   47.957292][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   47.957296][  T553]  _printk (kernel/printk/printk.c:2504)
[   47.957300][  T553]  ? snapshot_read.cold (user.c:?)
[   47.957302][  T553]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.957304][  T553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.957306][  T553]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.957309][  T553]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.957312][  T553]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.957315][  T553]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.957317][  T553]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.957320][  T553]  ? netdev_notice (net/core/dev.c:13194)
[   47.957323][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.957326][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.957328][  T553]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.957332][  T553]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.957334][  T553]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.957337][  T553]  ? 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))
[   47.957344][  T553]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.957346][  T553]  ? __kernel_text_address (kernel/extable.c:79)
[   47.957350][  T553]  ? write_profile (profile.c:?)
[   47.957354][  T553]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.957359][  T553]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.957364][  T553]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.957366][  T553]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.957367][  T553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.957369][  T553]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.957373][  T553]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.957375][  T553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.957377][  T553]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.957380][  T553]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.957385][  T553]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.957387][  T553]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.957390][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.957392][  T553]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   47.957395][  T553]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   47.957400][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.957402][  T553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.957405][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.957407][  T553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.957408][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.957410][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.957411][  T553]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.957414][  T553]  ? __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)
[   47.957418][  T553]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.957420][  T553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.957424][  T553]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.957426][  T553]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.957432][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.957437][  T553]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.957442][  T553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.957444][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.957449][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.957451][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.957453][  T553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.957455][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.957459][  T553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.957461][  T553]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.957464][  T553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.957465][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.957470][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.957472][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.957476][  T553]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.957478][  T553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.957481][  T553]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.957487][  T553]  ? 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))
[   47.957489][  T553]  ? 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))
[   47.957493][  T553]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.957497][  T553]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.957500][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   47.957504][  T553]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.957508][  T553]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.957509][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.957513][  T553]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.957516][  T553]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.957520][  T553]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.957523][  T553]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.957525][  T553]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.957527][  T553]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   47.957534][  T553]  ___sys_sendmsg (net/socket.c:2767)
[   47.957537][  T553]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.957555][  T553]  __sys_sendmsg (net/socket.c:2799)
[   47.957560][  T553]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.957567][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.957570][  T553]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.957572][  T553]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.957576][  T553]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.957578][  T553] RIP: 0033:0x7f28293b654e
[   47.957582][  T553] 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
[   47.957584][  T553] RSP: 002b:00007ffe4070f720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.957587][  T553] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f28293b654e
[   47.957588][  T553] RDX: 0000000000000000 RSI: 00007ffe4070f7d0 RDI: 0000000000000005
[   47.957589][  T553] RBP: 00007ffe4070f730 R08: 0000000000000000 R09: 0000000000000000
[   47.957590][  T553] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b83a
[   47.957591][  T553] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4070fea0
| [   49.119231][  T563] softirqs last disabled at (25220): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   49.119234][  T563] Preemption disabled at:
| [   49.119234][  T563] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.119244][  T563] Tainted: [W]=WARN
[   49.119244][  T563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.119246][  T563] Call Trace:
[   49.119248][  T563]  <TASK>
[   49.119250][  T563]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.119255][  T563]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.119257][  T563]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.119261][  T563]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.119264][  T563]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.119270][  T563]  __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))
[   49.119272][  T563]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.119278][  T563]  ? 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)
[   49.119281][  T563]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.119285][  T563]  put_chars (drivers/char/virtio_console.c:1176)
[   49.119288][  T563]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.119291][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.119295][  T563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.119300][  T563]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.119304][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.119306][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.119311][  T563]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.119314][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.119317][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.119321][  T563]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.119325][  T563]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.119326][  T563]  ? 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))
[   49.119329][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.119331][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.119335][  T563]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.119339][  T563]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.119341][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.119346][  T563]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.119349][  T563]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.119350][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.119352][  T563]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.119356][  T563]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.119358][  T563]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.119361][  T563]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.119365][  T563]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.119367][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.119369][  T563]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   49.119371][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   49.119375][  T563]  _printk (kernel/printk/printk.c:2504)
[   49.119379][  T563]  ? snapshot_read.cold (user.c:?)
[   49.119380][  T563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.119386][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.119388][  T563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.119390][  T563]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.119393][  T563]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.119396][  T563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.119398][  T563]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.119401][  T563]  ? netdev_notice (net/core/dev.c:13194)
[   49.119404][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.119407][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.119410][  T563]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.119413][  T563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.119416][  T563]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   49.119419][  T563]  ? 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))
[   49.119425][  T563]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   49.119427][  T563]  ? __kernel_text_address (kernel/extable.c:79)
[   49.119431][  T563]  ? write_profile (profile.c:?)
[   49.119434][  T563]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   49.119440][  T563]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.119444][  T563]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.119447][  T563]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.119448][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.119450][  T563]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.119454][  T563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.119456][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.119458][  T563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.119461][  T563]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.119463][  T563]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.119465][  T563]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.119468][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.119470][  T563]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   49.119473][  T563]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   49.119478][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.119480][  T563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.119482][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.119484][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.119486][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.119487][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.119489][  T563]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.119492][  T563]  ? __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)
[   49.119495][  T563]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.119498][  T563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.119501][  T563]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.119503][  T563]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.119509][  T563]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.119514][  T563]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.119520][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.119521][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.119526][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.119528][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.119530][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.119532][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.119536][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.119538][  T563]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.119541][  T563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.119543][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.119547][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.119550][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.119554][  T563]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.119556][  T563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.119560][  T563]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.119567][  T563]  ? 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))
[   49.119568][  T563]  ? 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))
[   49.119572][  T563]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.119576][  T563]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.119579][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   49.119583][  T563]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.119587][  T563]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.119588][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.119591][  T563]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.119595][  T563]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.119599][  T563]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.119602][  T563]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.119604][  T563]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   49.119606][  T563]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   49.119613][  T563]  ___sys_sendmsg (net/socket.c:2767)
[   49.119616][  T563]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.119632][  T563]  __sys_sendmsg (net/socket.c:2799)
[   49.119635][  T563]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.119641][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.119644][  T563]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.119647][  T563]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.119650][  T563]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.119653][  T563] RIP: 0033:0x7f35cbf0454e
[   49.119657][  T563] 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
[   49.119659][  T563] RSP: 002b:00007ffe10a00d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.119661][  T563] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f35cbf0454e
[   49.119663][  T563] RDX: 0000000000000000 RSI: 00007ffe10a00db0 RDI: 0000000000000005
[   49.119664][  T563] RBP: 00007ffe10a00d10 R08: 0000000000000000 R09: 0000000000000000
[   49.119665][  T563] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b83b
[   49.119666][  T563] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe10a01480
| [   50.262744][  T571] softirqs last disabled at (34872): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.262748][  T571] Preemption disabled at:
| [   50.262749][  T571] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.262761][  T571] Tainted: [W]=WARN
[   50.262763][  T571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.262765][  T571] Call Trace:
[   50.262767][  T571]  <TASK>
[   50.262769][  T571]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.262777][  T571]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.262780][  T571]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.262786][  T571]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.262791][  T571]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.262798][  T571]  __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))
[   50.262802][  T571]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.262811][  T571]  ? 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)
[   50.262815][  T571]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.262821][  T571]  put_chars (drivers/char/virtio_console.c:1176)
[   50.262826][  T571]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.262832][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.262837][  T571]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.262844][  T571]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.262849][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.262852][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.262860][  T571]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.262866][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.262871][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.262878][  T571]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.262884][  T571]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.262887][  T571]  ? 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))
[   50.262892][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.262895][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.262902][  T571]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.262909][  T571]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.262911][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.262921][  T571]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.262925][  T571]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.262927][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.262937][  T571]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.262944][  T571]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.262947][  T571]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.262952][  T571]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.262958][  T571]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.262962][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.262965][  T571]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   50.262968][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   50.262975][  T571]  _printk (kernel/printk/printk.c:2504)
[   50.262980][  T571]  ? snapshot_read.cold (user.c:?)
[   50.262983][  T571]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.262988][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.262991][  T571]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.262995][  T571]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.263000][  T571]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.263004][  T571]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.263008][  T571]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.263012][  T571]  ? netdev_notice (net/core/dev.c:13194)
[   50.263017][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.263022][  T571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.263026][  T571]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.263033][  T571]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.263037][  T571]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.263041][  T571]  ? 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))
[   50.263051][  T571]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.263055][  T571]  ? __kernel_text_address (kernel/extable.c:79)
[   50.263059][  T571]  ? write_profile (profile.c:?)
[   50.263065][  T571]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.263074][  T571]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.263081][  T571]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.263085][  T571]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.263087][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.263091][  T571]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.263096][  T571]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.263099][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.263103][  T571]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.263107][  T571]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.263111][  T571]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.263114][  T571]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.263118][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.263122][  T571]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   50.263126][  T571]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   50.263133][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.263136][  T571]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.263141][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.263144][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.263147][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.263149][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.263152][  T571]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.263156][  T571]  ? __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)
[   50.263160][  T571]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.263164][  T571]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.263171][  T571]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.263174][  T571]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.263184][  T571]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.263193][  T571]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.263203][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.263207][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.263215][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.263218][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.263222][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.263225][  T571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.263232][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.263235][  T571]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.263241][  T571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.263243][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.263251][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.263254][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.263261][  T571]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.263263][  T571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.263268][  T571]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.263280][  T571]  ? 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))
[   50.263282][  T571]  ? 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))
[   50.263290][  T571]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.263297][  T571]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.263302][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   50.263309][  T571]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.263315][  T571]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.263318][  T571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.263323][  T571]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.263328][  T571]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.263335][  T571]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.263339][  T571]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.263342][  T571]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.263345][  T571]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   50.263358][  T571]  ___sys_sendmsg (net/socket.c:2767)
[   50.263363][  T571]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.263397][  T571]  __sys_sendmsg (net/socket.c:2799)
[   50.263402][  T571]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.263414][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.263420][  T571]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.263423][  T571]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.263429][  T571]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.263432][  T571] RIP: 0033:0x7f95a244d54e
[   50.263438][  T571] 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
[   50.263441][  T571] RSP: 002b:00007ffed2776e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.263446][  T571] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f95a244d54e
[   50.263448][  T571] RDX: 0000000000000000 RSI: 00007ffed2776eb0 RDI: 0000000000000005
[   50.263450][  T571] RBP: 00007ffed2776e10 R08: 0000000000000000 R09: 0000000000000000
[   50.263451][  T571] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b83c
[   50.263453][  T571] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed2777580
| [   51.521470][  T579] softirqs last disabled at (23552): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.521473][  T579] Preemption disabled at:
| [   51.521474][  T579] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.521487][  T579] Tainted: [W]=WARN
[   51.521488][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.521491][  T579] Call Trace:
[   51.521493][  T579]  <TASK>
[   51.521496][  T579]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.521502][  T579]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.521505][  T579]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.521511][  T579]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.521517][  T579]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.521525][  T579]  __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))
[   51.521529][  T579]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.521537][  T579]  ? 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)
[   51.521541][  T579]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.521547][  T579]  put_chars (drivers/char/virtio_console.c:1176)
[   51.521552][  T579]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.521560][  T579]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.521566][  T579]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.521573][  T579]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.521578][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.521581][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.521589][  T579]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.521595][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.521599][  T579]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.521606][  T579]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.521612][  T579]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.521614][  T579]  ? 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))
[   51.521619][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.521623][  T579]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.521630][  T579]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.521636][  T579]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.521639][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.521648][  T579]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.521653][  T579]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.521655][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.521658][  T579]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   51.521665][  T579]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.521668][  T579]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.521674][  T579]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.521680][  T579]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.521683][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.521686][  T579]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   51.521689][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   51.521696][  T579]  _printk (kernel/printk/printk.c:2504)
[   51.521702][  T579]  ? snapshot_read.cold (user.c:?)
[   51.521704][  T579]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.521709][  T579]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.521713][  T579]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.521717][  T579]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.521722][  T579]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.521726][  T579]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.521730][  T579]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.521735][  T579]  ? netdev_notice (net/core/dev.c:13194)
[   51.521739][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.521744][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.521749][  T579]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.521755][  T579]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.521759][  T579]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.521764][  T579]  ? 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))
[   51.521773][  T579]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.521777][  T579]  ? __kernel_text_address (kernel/extable.c:79)
[   51.521781][  T579]  ? write_profile (profile.c:?)
[   51.521787][  T579]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.521796][  T579]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.521804][  T579]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.521807][  T579]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.521810][  T579]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.521813][  T579]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.521818][  T579]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.521822][  T579]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.521825][  T579]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.521830][  T579]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.521834][  T579]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.521836][  T579]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.521841][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.521844][  T579]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   51.521849][  T579]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   51.521856][  T579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.521859][  T579]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.521864][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.521867][  T579]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.521870][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.521872][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.521875][  T579]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.521879][  T579]  ? __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)
[   51.521882][  T579]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.521886][  T579]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.521892][  T579]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.521895][  T579]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.521905][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.521915][  T579]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.521925][  T579]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.521928][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.521941][  T579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.521944][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.521948][  T579]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.521951][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.521958][  T579]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.521962][  T579]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.521967][  T579]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.521970][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.521978][  T579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.521981][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.521988][  T579]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.521991][  T579]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.521996][  T579]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.522008][  T579]  ? 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))
[   51.522010][  T579]  ? 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))
[   51.522018][  T579]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.522025][  T579]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.522030][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   51.522037][  T579]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.522044][  T579]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.522046][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.522051][  T579]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.522056][  T579]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.522064][  T579]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.522067][  T579]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.522071][  T579]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   51.522074][  T579]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   51.522087][  T579]  ___sys_sendmsg (net/socket.c:2767)
[   51.522092][  T579]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.522122][  T579]  __sys_sendmsg (net/socket.c:2799)
[   51.522128][  T579]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.522139][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.522145][  T579]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.522148][  T579]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.522153][  T579]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.522156][  T579] RIP: 0033:0x7fe90d1e454e
[   51.522161][  T579] 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
[   51.522164][  T579] RSP: 002b:00007ffde9c6a560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.522168][  T579] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe90d1e454e
[   51.522171][  T579] RDX: 0000000000000000 RSI: 00007ffde9c6a610 RDI: 0000000000000005
[   51.522172][  T579] RBP: 00007ffde9c6a570 R08: 0000000000000000 R09: 0000000000000000
[   51.522174][  T579] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b83d
[   51.522176][  T579] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde9c6ace0
| [   52.530878][  T585] softirqs last disabled at (21086): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.530881][  T585] Preemption disabled at:
| [   52.530882][  T585] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.530895][  T585] Tainted: [W]=WARN
[   52.530896][  T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.530898][  T585] Call Trace:
[   52.530900][  T585]  <TASK>
[   52.530903][  T585]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.530909][  T585]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.530912][  T585]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.530919][  T585]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.530923][  T585]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.530931][  T585]  __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))
[   52.530935][  T585]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.530950][  T585]  ? 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)
[   52.530954][  T585]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.530959][  T585]  put_chars (drivers/char/virtio_console.c:1176)
[   52.530964][  T585]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.530970][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.530975][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.530983][  T585]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.530988][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.530990][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.530999][  T585]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.531005][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.531009][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.531016][  T585]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.531022][  T585]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.531024][  T585]  ? 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))
[   52.531029][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.531033][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.531040][  T585]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.531047][  T585]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.531049][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.531059][  T585]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.531063][  T585]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.531065][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.531069][  T585]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.531075][  T585]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.531078][  T585]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.531083][  T585]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.531089][  T585]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.531093][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.531096][  T585]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   52.531099][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   52.531106][  T585]  _printk (kernel/printk/printk.c:2504)
[   52.531111][  T585]  ? snapshot_read.cold (user.c:?)
[   52.531114][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.531118][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.531122][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.531126][  T585]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.531130][  T585]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.531135][  T585]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.531138][  T585]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.531143][  T585]  ? netdev_notice (net/core/dev.c:13194)
[   52.531147][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.531152][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.531157][  T585]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.531163][  T585]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.531167][  T585]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.531171][  T585]  ? 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))
[   52.531181][  T585]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.531185][  T585]  ? __kernel_text_address (kernel/extable.c:79)
[   52.531189][  T585]  ? write_profile (profile.c:?)
[   52.531195][  T585]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.531203][  T585]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.531210][  T585]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.531214][  T585]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.531216][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.531219][  T585]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.531224][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.531227][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.531231][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.531235][  T585]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.531239][  T585]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.531242][  T585]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.531246][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.531249][  T585]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   52.531254][  T585]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   52.531261][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.531265][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.531270][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.531273][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.531275][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.531277][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.531281][  T585]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.531285][  T585]  ? __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)
[   52.531289][  T585]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.531293][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.531299][  T585]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.531302][  T585]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.531312][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.531322][  T585]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.531333][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.531336][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.531344][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.531348][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.531354][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.531357][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.531364][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.531367][  T585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.531373][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.531375][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.531383][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.531386][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.531393][  T585]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.531396][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.531401][  T585]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.531413][  T585]  ? 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))
[   52.531415][  T585]  ? 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))
[   52.531423][  T585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.531430][  T585]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.531435][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   52.531442][  T585]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.531449][  T585]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.531451][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.531456][  T585]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.531461][  T585]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.531468][  T585]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.531472][  T585]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.531476][  T585]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.531478][  T585]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   52.531493][  T585]  ___sys_sendmsg (net/socket.c:2767)
[   52.531497][  T585]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.531528][  T585]  __sys_sendmsg (net/socket.c:2799)
[   52.531534][  T585]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.531545][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.531551][  T585]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.531555][  T585]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.531563][  T585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.531566][  T585] RIP: 0033:0x7fa85141254e
[   52.531571][  T585] 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
[   52.531574][  T585] RSP: 002b:00007fff560d6cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.531578][  T585] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa85141254e
[   52.531580][  T585] RDX: 0000000000000000 RSI: 00007fff560d6d80 RDI: 0000000000000005
[   52.531582][  T585] RBP: 00007fff560d6ce0 R08: 0000000000000000 R09: 0000000000000000
[   52.531584][  T585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b83e
[   52.531585][  T585] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff560d7450
| [   53.553679][  T593] softirqs last disabled at (17450): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   53.553681][  T593] Preemption disabled at:
| [   53.553682][  T593] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.553691][  T593] Tainted: [W]=WARN
[   53.553692][  T593] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.553694][  T593] Call Trace:
[   53.553696][  T593]  <TASK>
[   53.553698][  T593]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.553703][  T593]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.553705][  T593]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.553709][  T593]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.553713][  T593]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.553718][  T593]  __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))
[   53.553721][  T593]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.553727][  T593]  ? 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)
[   53.553730][  T593]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.553734][  T593]  put_chars (drivers/char/virtio_console.c:1176)
[   53.553737][  T593]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.553741][  T593]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.553745][  T593]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.553750][  T593]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.553753][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.553755][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.553760][  T593]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.553764][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.553767][  T593]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.553771][  T593]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.553775][  T593]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.553777][  T593]  ? 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))
[   53.553779][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.553782][  T593]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.553786][  T593]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.553790][  T593]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.553792][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.553797][  T593]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.553800][  T593]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.553801][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.553803][  T593]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   53.553807][  T593]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.553809][  T593]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.553812][  T593]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.553816][  T593]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.553818][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.553820][  T593]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   53.553822][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   53.553826][  T593]  _printk (kernel/printk/printk.c:2504)
[   53.553830][  T593]  ? snapshot_read.cold (user.c:?)
[   53.553832][  T593]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.553835][  T593]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.553837][  T593]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.553839][  T593]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.553843][  T593]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.553845][  T593]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.553848][  T593]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.553851][  T593]  ? netdev_notice (net/core/dev.c:13194)
[   53.553854][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.553857][  T593]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.553859][  T593]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.553863][  T593]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.553866][  T593]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   53.553869][  T593]  ? 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))
[   53.553876][  T593]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   53.553878][  T593]  ? __kernel_text_address (kernel/extable.c:79)
[   53.553881][  T593]  ? write_profile (profile.c:?)
[   53.553886][  T593]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.553891][  T593]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.553896][  T593]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.553898][  T593]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.553899][  T593]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.553902][  T593]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.553906][  T593]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.553908][  T593]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.553910][  T593]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.553913][  T593]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.553916][  T593]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.553918][  T593]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.553921][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.553923][  T593]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   53.553926][  T593]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   53.553931][  T593]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.553933][  T593]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.553936][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.553938][  T593]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.553940][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.553947][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.553949][  T593]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.553952][  T593]  ? __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)
[   53.553955][  T593]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.553958][  T593]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.553961][  T593]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.553963][  T593]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.553970][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.553975][  T593]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.553981][  T593]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.553983][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.553987][  T593]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.553990][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.553992][  T593]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.553994][  T593]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.553998][  T593]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.554000][  T593]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.554003][  T593]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.554005][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.554010][  T593]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.554012][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.554016][  T593]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.554017][  T593]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.554021][  T593]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.554027][  T593]  ? 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))
[   53.554028][  T593]  ? 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))
[   53.554033][  T593]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.554037][  T593]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.554040][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   53.554044][  T593]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.554048][  T593]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.554050][  T593]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.554053][  T593]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.554057][  T593]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.554061][  T593]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.554064][  T593]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.554066][  T593]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   53.554068][  T593]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   53.554075][  T593]  ___sys_sendmsg (net/socket.c:2767)
[   53.554078][  T593]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.554095][  T593]  __sys_sendmsg (net/socket.c:2799)
[   53.554098][  T593]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.554105][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.554108][  T593]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.554111][  T593]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.554114][  T593]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.554116][  T593] RIP: 0033:0x7f48ab52c54e
[   53.554120][  T593] 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
[   53.554123][  T593] RSP: 002b:00007fffddb96510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.554125][  T593] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f48ab52c54e
[   53.554127][  T593] RDX: 0000000000000000 RSI: 00007fffddb965c0 RDI: 0000000000000005
[   53.554128][  T593] RBP: 00007fffddb96520 R08: 0000000000000000 R09: 0000000000000000
[   53.554129][  T593] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b83f
[   53.554130][  T593] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffddb96c90
| [   54.636147][  T603] softirqs last disabled at (23750): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.636150][  T603] Preemption disabled at:
| [   54.636151][  T603] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.636160][  T603] Tainted: [W]=WARN
[   54.636161][  T603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.636163][  T603] Call Trace:
[   54.636165][  T603]  <TASK>
[   54.636166][  T603]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.636171][  T603]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.636173][  T603]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.636178][  T603]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.636181][  T603]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.636187][  T603]  __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))
[   54.636189][  T603]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.636196][  T603]  ? 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)
[   54.636199][  T603]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.636202][  T603]  put_chars (drivers/char/virtio_console.c:1176)
[   54.636205][  T603]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.636209][  T603]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.636213][  T603]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.636218][  T603]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.636221][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.636223][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.636228][  T603]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.636231][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.636234][  T603]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.636239][  T603]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.636242][  T603]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.636244][  T603]  ? 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))
[   54.636246][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.636249][  T603]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.636253][  T603]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.636257][  T603]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.636258][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.636264][  T603]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.636266][  T603]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.636268][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.636269][  T603]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.636273][  T603]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.636275][  T603]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.636278][  T603]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.636282][  T603]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.636284][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.636286][  T603]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   54.636288][  T603]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   54.636292][  T603]  _printk (kernel/printk/printk.c:2504)
[   54.636296][  T603]  ? snapshot_read.cold (user.c:?)
[   54.636298][  T603]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.636301][  T603]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.636303][  T603]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.636305][  T603]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.636309][  T603]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.636311][  T603]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.636313][  T603]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.636316][  T603]  ? netdev_notice (net/core/dev.c:13194)
[   54.636319][  T603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.636322][  T603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.636325][  T603]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.636329][  T603]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.636331][  T603]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.636335][  T603]  ? 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))
[   54.636341][  T603]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.636343][  T603]  ? __kernel_text_address (kernel/extable.c:79)
[   54.636347][  T603]  ? write_profile (profile.c:?)
[   54.636351][  T603]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.636356][  T603]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.636361][  T603]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.636363][  T603]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.636365][  T603]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.636367][  T603]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.636371][  T603]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.636373][  T603]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.636375][  T603]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.636378][  T603]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.636381][  T603]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.636384][  T603]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.636387][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.636390][  T603]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   54.636392][  T603]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   54.636397][  T603]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.636400][  T603]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.636402][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.636404][  T603]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.636406][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.636407][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.636409][  T603]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.636412][  T603]  ? __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)
[   54.636416][  T603]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.636419][  T603]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.636422][  T603]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.636424][  T603]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.636430][  T603]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.636436][  T603]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.636441][  T603]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.636443][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.636448][  T603]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.636450][  T603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.636452][  T603]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.636454][  T603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.636458][  T603]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.636460][  T603]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.636463][  T603]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.636464][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.636469][  T603]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.636471][  T603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.636475][  T603]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.636477][  T603]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.636480][  T603]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.636486][  T603]  ? 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))
[   54.636488][  T603]  ? 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))
[   54.636492][  T603]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.636496][  T603]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.636499][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   54.636503][  T603]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.636507][  T603]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.636508][  T603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.636512][  T603]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.636515][  T603]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.636520][  T603]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   54.636522][  T603]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.636524][  T603]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   54.636526][  T603]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   54.636533][  T603]  ___sys_sendmsg (net/socket.c:2767)
[   54.636536][  T603]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.636552][  T603]  __sys_sendmsg (net/socket.c:2799)
[   54.636557][  T603]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.636565][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.636568][  T603]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.636570][  T603]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.636574][  T603]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.636576][  T603] RIP: 0033:0x7f13b02b554e
[   54.636580][  T603] 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
[   54.636582][  T603] RSP: 002b:00007fffb0ed63b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.636585][  T603] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f13b02b554e
[   54.636586][  T603] RDX: 0000000000000000 RSI: 00007fffb0ed6460 RDI: 0000000000000005
[   54.636587][  T603] RBP: 00007fffb0ed63c0 R08: 0000000000000000 R09: 0000000000000000
[   54.636588][  T603] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b841
[   54.636589][  T603] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb0ed6b30
| [   55.690522][  T612] softirqs last disabled at (22774): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   55.690524][  T612] Preemption disabled at:
| [   55.690525][  T612] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.690534][  T612] Tainted: [W]=WARN
[   55.690535][  T612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.690537][  T612] Call Trace:
[   55.690539][  T612]  <TASK>
[   55.690540][  T612]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.690545][  T612]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.690547][  T612]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.690552][  T612]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.690556][  T612]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.690562][  T612]  __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))
[   55.690565][  T612]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.690571][  T612]  ? 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)
[   55.690574][  T612]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.690578][  T612]  put_chars (drivers/char/virtio_console.c:1176)
[   55.690581][  T612]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.690585][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.690589][  T612]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.690594][  T612]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.690597][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.690599][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.690604][  T612]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.690608][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.690610][  T612]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.690615][  T612]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.690619][  T612]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.690620][  T612]  ? 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))
[   55.690623][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.690625][  T612]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.690629][  T612]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.690633][  T612]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.690634][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.690640][  T612]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.690642][  T612]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.690644][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.690645][  T612]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.690649][  T612]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.690651][  T612]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.690654][  T612]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.690658][  T612]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.690660][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.690662][  T612]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   55.690664][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   55.690668][  T612]  _printk (kernel/printk/printk.c:2504)
[   55.690672][  T612]  ? snapshot_read.cold (user.c:?)
[   55.690674][  T612]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.690677][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.690679][  T612]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.690681][  T612]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.690685][  T612]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.690687][  T612]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.690690][  T612]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.690693][  T612]  ? netdev_notice (net/core/dev.c:13194)
[   55.690695][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.690698][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.690701][  T612]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.690705][  T612]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.690707][  T612]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   55.690710][  T612]  ? 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))
[   55.690717][  T612]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   55.690719][  T612]  ? __kernel_text_address (kernel/extable.c:79)
[   55.690723][  T612]  ? write_profile (profile.c:?)
[   55.690727][  T612]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   55.690732][  T612]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.690737][  T612]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.690740][  T612]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.690741][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.690743][  T612]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.690747][  T612]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.690749][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.690751][  T612]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.690754][  T612]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.690757][  T612]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.690758][  T612]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.690761][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.690764][  T612]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   55.690766][  T612]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   55.690772][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.690774][  T612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.690777][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.690779][  T612]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.690780][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.690782][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.690784][  T612]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.690786][  T612]  ? __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)
[   55.690789][  T612]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.690792][  T612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.690795][  T612]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.690797][  T612]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.690803][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.690809][  T612]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.690814][  T612]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.690816][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.690821][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.690823][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.690825][  T612]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.690827][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.690831][  T612]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.690833][  T612]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.690836][  T612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.690838][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.690843][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.690845][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.690849][  T612]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.690850][  T612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.690853][  T612]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.690860][  T612]  ? 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))
[   55.690861][  T612]  ? 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))
[   55.690866][  T612]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.690870][  T612]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.690873][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   55.690877][  T612]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.690881][  T612]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.690882][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.690886][  T612]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.690889][  T612]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.690894][  T612]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.690896][  T612]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.690898][  T612]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.690900][  T612]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   55.690908][  T612]  ___sys_sendmsg (net/socket.c:2767)
[   55.690910][  T612]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.690927][  T612]  __sys_sendmsg (net/socket.c:2799)
[   55.690930][  T612]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.690937][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.690940][  T612]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.690943][  T612]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.690946][  T612]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.690948][  T612] RIP: 0033:0x7f384e59e54e
[   55.690957][  T612] 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
[   55.690959][  T612] RSP: 002b:00007ffcb0432c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.690962][  T612] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f384e59e54e
[   55.690963][  T612] RDX: 0000000000000000 RSI: 00007ffcb0432d30 RDI: 0000000000000005
[   55.690964][  T612] RBP: 00007ffcb0432c90 R08: 0000000000000000 R09: 0000000000000000
[   55.690965][  T612] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b842
[   55.690966][  T612] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb0433400
| [   56.699372][  T622] softirqs last disabled at (27050): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   56.699375][  T622] Preemption disabled at:
| [   56.699376][  T622] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.699387][  T622] Tainted: [W]=WARN
[   56.699388][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.699390][  T622] Call Trace:
[   56.699391][  T622]  <TASK>
[   56.699393][  T622]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.699398][  T622]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.699399][  T622]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.699404][  T622]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.699407][  T622]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.699412][  T622]  __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))
[   56.699415][  T622]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.699421][  T622]  ? 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)
[   56.699424][  T622]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.699427][  T622]  put_chars (drivers/char/virtio_console.c:1176)
[   56.699430][  T622]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.699434][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.699438][  T622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.699442][  T622]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.699446][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.699448][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.699453][  T622]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.699456][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.699459][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.699463][  T622]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.699467][  T622]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.699468][  T622]  ? 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))
[   56.699471][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.699473][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.699477][  T622]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.699481][  T622]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.699483][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.699488][  T622]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.699491][  T622]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.699492][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.699494][  T622]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.699498][  T622]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.699500][  T622]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.699503][  T622]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.699506][  T622]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.699508][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.699510][  T622]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   56.699512][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   56.699517][  T622]  _printk (kernel/printk/printk.c:2504)
[   56.699520][  T622]  ? snapshot_read.cold (user.c:?)
[   56.699522][  T622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.699525][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.699527][  T622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.699529][  T622]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.699533][  T622]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.699535][  T622]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.699538][  T622]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.699541][  T622]  ? netdev_notice (net/core/dev.c:13194)
[   56.699543][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.699547][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.699549][  T622]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.699554][  T622]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.699558][  T622]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.699563][  T622]  ? 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))
[   56.699569][  T622]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.699571][  T622]  ? __kernel_text_address (kernel/extable.c:79)
[   56.699575][  T622]  ? write_profile (profile.c:?)
[   56.699579][  T622]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.699584][  T622]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.699589][  T622]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.699591][  T622]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.699593][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.699595][  T622]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.699599][  T622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.699601][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.699603][  T622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.699606][  T622]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.699609][  T622]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.699611][  T622]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.699614][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.699616][  T622]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   56.699619][  T622]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   56.699624][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.699626][  T622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.699629][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.699631][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.699633][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.699634][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.699636][  T622]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.699638][  T622]  ? __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)
[   56.699642][  T622]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.699644][  T622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.699648][  T622]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.699650][  T622]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.699656][  T622]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.699661][  T622]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.699667][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.699669][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.699673][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.699675][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.699678][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.699679][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.699684][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.699686][  T622]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.699689][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.699690][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.699695][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.699697][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.699701][  T622]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.699703][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.699706][  T622]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.699712][  T622]  ? 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))
[   56.699713][  T622]  ? 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))
[   56.699718][  T622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.699722][  T622]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.699725][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   56.699729][  T622]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.699733][  T622]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.699734][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.699738][  T622]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.699741][  T622]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.699746][  T622]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.699748][  T622]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.699750][  T622]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.699752][  T622]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   56.699759][  T622]  ___sys_sendmsg (net/socket.c:2767)
[   56.699762][  T622]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.699779][  T622]  __sys_sendmsg (net/socket.c:2799)
[   56.699782][  T622]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.699788][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.699791][  T622]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.699794][  T622]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.699797][  T622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.699800][  T622] RIP: 0033:0x7fe794f6554e
[   56.699804][  T622] 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
[   56.699806][  T622] RSP: 002b:00007ffd50194680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.699809][  T622] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe794f6554e
[   56.699810][  T622] RDX: 0000000000000000 RSI: 00007ffd50194730 RDI: 0000000000000005
[   56.699811][  T622] RBP: 00007ffd50194690 R08: 0000000000000000 R09: 0000000000000000
[   56.699812][  T622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b843
[   56.699813][  T622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd50194e00
| [   57.783905][  T631] softirqs last disabled at (19910): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   57.783907][  T631] Preemption disabled at:
| [   57.783908][  T631] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.783917][  T631] Tainted: [W]=WARN
[   57.783918][  T631] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.783919][  T631] Call Trace:
[   57.783921][  T631]  <TASK>
[   57.783923][  T631]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.783928][  T631]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.783930][  T631]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.783934][  T631]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.783938][  T631]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.783943][  T631]  __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))
[   57.783945][  T631]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.783952][  T631]  ? 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)
[   57.783954][  T631]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.783964][  T631]  put_chars (drivers/char/virtio_console.c:1176)
[   57.783967][  T631]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.783970][  T631]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.783974][  T631]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.783979][  T631]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.783982][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.783984][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.783989][  T631]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.783992][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.783995][  T631]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.783999][  T631]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.784003][  T631]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.784004][  T631]  ? 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))
[   57.784007][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.784009][  T631]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.784013][  T631]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.784017][  T631]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.784018][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.784024][  T631]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.784026][  T631]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.784027][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.784029][  T631]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.784033][  T631]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.784035][  T631]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.784038][  T631]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.784041][  T631]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.784043][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.784045][  T631]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   57.784047][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   57.784051][  T631]  _printk (kernel/printk/printk.c:2504)
[   57.784055][  T631]  ? snapshot_read.cold (user.c:?)
[   57.784056][  T631]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   57.784059][  T631]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.784061][  T631]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.784063][  T631]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   57.784067][  T631]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   57.784069][  T631]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.784071][  T631]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   57.784074][  T631]  ? netdev_notice (net/core/dev.c:13194)
[   57.784077][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.784080][  T631]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.784082][  T631]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.784086][  T631]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.784088][  T631]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   57.784091][  T631]  ? 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))
[   57.784097][  T631]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   57.784100][  T631]  ? __kernel_text_address (kernel/extable.c:79)
[   57.784103][  T631]  ? write_profile (profile.c:?)
[   57.784107][  T631]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.784112][  T631]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.784117][  T631]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   57.784119][  T631]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   57.784120][  T631]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.784122][  T631]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.784126][  T631]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   57.784128][  T631]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.784130][  T631]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.784133][  T631]  ? kasan_save_stack (mm/kasan/common.c:58)
[   57.784136][  T631]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.784138][  T631]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.784141][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.784143][  T631]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   57.784146][  T631]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   57.784151][  T631]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.784153][  T631]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.784155][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.784157][  T631]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.784159][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.784160][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.784162][  T631]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   57.784165][  T631]  ? __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)
[   57.784168][  T631]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.784170][  T631]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.784174][  T631]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   57.784176][  T631]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.784181][  T631]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   57.784187][  T631]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.784192][  T631]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.784194][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.784198][  T631]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.784201][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.784203][  T631]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.784204][  T631]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.784208][  T631]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.784210][  T631]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.784214][  T631]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.784215][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.784219][  T631]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.784221][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.784225][  T631]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.784227][  T631]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.784230][  T631]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.784236][  T631]  ? 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))
[   57.784237][  T631]  ? 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))
[   57.784242][  T631]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.784245][  T631]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.784248][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   57.784252][  T631]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.784256][  T631]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.784258][  T631]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.784261][  T631]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.784265][  T631]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.784268][  T631]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.784271][  T631]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.784273][  T631]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.784275][  T631]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   57.784282][  T631]  ___sys_sendmsg (net/socket.c:2767)
[   57.784285][  T631]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.784300][  T631]  __sys_sendmsg (net/socket.c:2799)
[   57.784304][  T631]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.784310][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.784313][  T631]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.784316][  T631]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.784319][  T631]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.784321][  T631] RIP: 0033:0x7fa9601e054e
[   57.784325][  T631] 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
[   57.784327][  T631] RSP: 002b:00007ffe282e2d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.784330][  T631] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa9601e054e
[   57.784331][  T631] RDX: 0000000000000000 RSI: 00007ffe282e2db0 RDI: 0000000000000005
[   57.784332][  T631] RBP: 00007ffe282e2d10 R08: 0000000000000000 R09: 0000000000000000
[   57.784333][  T631] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b844
[   57.784334][  T631] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe282e3480
| [   58.786741][  T640] softirqs last disabled at (19604): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   58.786744][  T640] Preemption disabled at:
| [   58.786744][  T640] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.786753][  T640] Tainted: [W]=WARN
[   58.786754][  T640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.786756][  T640] Call Trace:
[   58.786757][  T640]  <TASK>
[   58.786759][  T640]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.786764][  T640]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.786765][  T640]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.786770][  T640]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.786773][  T640]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.786779][  T640]  __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))
[   58.786781][  T640]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.786787][  T640]  ? 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)
[   58.786790][  T640]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.786793][  T640]  put_chars (drivers/char/virtio_console.c:1176)
[   58.786796][  T640]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.786800][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.786803][  T640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.786808][  T640]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.786812][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.786813][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.786818][  T640]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.786821][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.786824][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.786828][  T640]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.786832][  T640]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.786833][  T640]  ? 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))
[   58.786836][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.786838][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.786842][  T640]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.786846][  T640]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.786847][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.786852][  T640]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.786855][  T640]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.786856][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.786858][  T640]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.786862][  T640]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.786864][  T640]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.786867][  T640]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.786870][  T640]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.786872][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.786874][  T640]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   58.786876][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   58.786880][  T640]  _printk (kernel/printk/printk.c:2504)
[   58.786883][  T640]  ? snapshot_read.cold (user.c:?)
[   58.786885][  T640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.786888][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.786890][  T640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.786892][  T640]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.786895][  T640]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.786898][  T640]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.786900][  T640]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.786903][  T640]  ? netdev_notice (net/core/dev.c:13194)
[   58.786906][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.786909][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.786911][  T640]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.786915][  T640]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.786917][  T640]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   58.786920][  T640]  ? 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))
[   58.786926][  T640]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   58.786929][  T640]  ? __kernel_text_address (kernel/extable.c:79)
[   58.786932][  T640]  ? write_profile (profile.c:?)
[   58.786936][  T640]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   58.786941][  T640]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.786946][  T640]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.786948][  T640]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.786950][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.786952][  T640]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.786955][  T640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.786957][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.786959][  T640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.786968][  T640]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.786971][  T640]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.786972][  T640]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.786975][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.786977][  T640]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   58.786980][  T640]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   58.786985][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.786987][  T640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.786990][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.786992][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.786993][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.786995][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.786997][  T640]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.786999][  T640]  ? __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)
[   58.787002][  T640]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.787005][  T640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.787008][  T640]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.787010][  T640]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.787015][  T640]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.787020][  T640]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.787025][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.787027][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.787032][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.787034][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.787036][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.787038][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.787042][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.787044][  T640]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.787047][  T640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.787048][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.787053][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.787055][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.787058][  T640]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.787060][  T640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.787063][  T640]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.787069][  T640]  ? 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))
[   58.787070][  T640]  ? 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))
[   58.787074][  T640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.787078][  T640]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.787081][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   58.787085][  T640]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.787089][  T640]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.787090][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.787093][  T640]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.787097][  T640]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.787101][  T640]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.787103][  T640]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.787105][  T640]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.787107][  T640]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   58.787114][  T640]  ___sys_sendmsg (net/socket.c:2767)
[   58.787117][  T640]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.787132][  T640]  __sys_sendmsg (net/socket.c:2799)
[   58.787135][  T640]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.787141][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.787144][  T640]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.787147][  T640]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.787150][  T640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.787152][  T640] RIP: 0033:0x7f3131a7254e
[   58.787156][  T640] 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
[   58.787158][  T640] RSP: 002b:00007ffc8a267020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.787161][  T640] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3131a7254e
[   58.787162][  T640] RDX: 0000000000000000 RSI: 00007ffc8a2670d0 RDI: 0000000000000005
[   58.787163][  T640] RBP: 00007ffc8a267030 R08: 0000000000000000 R09: 0000000000000000
[   58.787164][  T640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b845
[   58.787165][  T640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8a2677a0
| [   59.850113][  T650] softirqs last disabled at (19186): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   59.850115][  T650] Preemption disabled at:
| [   59.850116][  T650] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.850126][  T650] Tainted: [W]=WARN
[   59.850127][  T650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.850129][  T650] Call Trace:
[   59.850130][  T650]  <TASK>
[   59.850132][  T650]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.850138][  T650]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.850139][  T650]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.850144][  T650]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.850148][  T650]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.850153][  T650]  __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))
[   59.850156][  T650]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.850162][  T650]  ? 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)
[   59.850166][  T650]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.850169][  T650]  put_chars (drivers/char/virtio_console.c:1176)
[   59.850172][  T650]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.850176][  T650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.850180][  T650]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.850185][  T650]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.850188][  T650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.850190][  T650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.850195][  T650]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.850199][  T650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.850202][  T650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.850207][  T650]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.850210][  T650]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.850212][  T650]  ? 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))
[   59.850215][  T650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.850217][  T650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.850222][  T650]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.850226][  T650]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.850227][  T650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.850233][  T650]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.850235][  T650]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.850237][  T650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.850239][  T650]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.850245][  T650]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.850247][  T650]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.850250][  T650]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.850253][  T650]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.850255][  T650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.850257][  T650]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   59.850259][  T650]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   59.850264][  T650]  _printk (kernel/printk/printk.c:2504)
[   59.850268][  T650]  ? snapshot_read.cold (user.c:?)
[   59.850270][  T650]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.850273][  T650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.850275][  T650]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.850277][  T650]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.850281][  T650]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.850284][  T650]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.850286][  T650]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.850289][  T650]  ? netdev_notice (net/core/dev.c:13194)
[   59.850292][  T650]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.850296][  T650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.850298][  T650]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.850302][  T650]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.850305][  T650]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   59.850308][  T650]  ? 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))
[   59.850315][  T650]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   59.850317][  T650]  ? __kernel_text_address (kernel/extable.c:79)
[   59.850321][  T650]  ? write_profile (profile.c:?)
[   59.850325][  T650]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   59.850330][  T650]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.850335][  T650]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.850338][  T650]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.850339][  T650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.850341][  T650]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.850345][  T650]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.850348][  T650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.850350][  T650]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.850353][  T650]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.850356][  T650]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.850357][  T650]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.850361][  T650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.850363][  T650]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   59.850366][  T650]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   59.850371][  T650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.850373][  T650]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.850376][  T650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.850378][  T650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.850380][  T650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.850381][  T650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.850384][  T650]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.850386][  T650]  ? __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)
[   59.850390][  T650]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.850392][  T650]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.850396][  T650]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.850398][  T650]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.850404][  T650]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.850410][  T650]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.850416][  T650]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.850418][  T650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.850423][  T650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.850425][  T650]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.850427][  T650]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.850429][  T650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.850433][  T650]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.850436][  T650]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.850439][  T650]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.850440][  T650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.850445][  T650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.850447][  T650]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.850452][  T650]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.850453][  T650]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.850456][  T650]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.850463][  T650]  ? 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))
[   59.850465][  T650]  ? 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))
[   59.850469][  T650]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.850473][  T650]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.850476][  T650]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   59.850481][  T650]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.850485][  T650]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.850486][  T650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.850489][  T650]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.850493][  T650]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.850498][  T650]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.850500][  T650]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.850502][  T650]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.850504][  T650]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   59.850512][  T650]  ___sys_sendmsg (net/socket.c:2767)
[   59.850515][  T650]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.850533][  T650]  __sys_sendmsg (net/socket.c:2799)
[   59.850536][  T650]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.850544][  T650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.850547][  T650]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.850550][  T650]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.850554][  T650]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.850557][  T650] RIP: 0033:0x7fe0143a054e
[   59.850562][  T650] 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
[   59.850564][  T650] RSP: 002b:00007ffdf9de6f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.850567][  T650] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe0143a054e
[   59.850568][  T650] RDX: 0000000000000000 RSI: 00007ffdf9de7040 RDI: 0000000000000005
[   59.850569][  T650] RBP: 00007ffdf9de6fa0 R08: 0000000000000000 R09: 0000000000000000
[   59.850570][  T650] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b846


Finger prints:
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print