======================================
| [   12.859105][  T255] softirqs last disabled at (62904): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   12.859108][  T255] Preemption disabled at:
| [   12.859108][  T255] 0x0
| [   12.859118][  T255] Tainted: [W]=WARN
[   12.859119][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.859121][  T255] Call Trace:
[   12.859122][  T255]  <TASK>
[   12.859124][  T255]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.859131][  T255]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.859135][  T255]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.859139][  T255]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.859144][  T255]  __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))
[   12.859145][  T255]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.859152][  T255]  ? 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)
[   12.859155][  T255]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.859158][  T255]  put_chars (drivers/char/virtio_console.c:1176)
[   12.859161][  T255]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.859162][  T255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.859166][  T255]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.859171][  T255]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.859178][  T255]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.859181][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.859183][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.859187][  T255]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.859191][  T255]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.859193][  T255]  ? 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))
[   12.859196][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.859197][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.859201][  T255]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.859205][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.859207][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.859212][  T255]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.859215][  T255]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.859217][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.859219][  T255]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.859222][  T255]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.859224][  T255]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.859227][  T255]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.859230][  T255]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.859232][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.859236][  T255]  _printk (kernel/printk/printk.c:2504)
[   12.859240][  T255]  ? snapshot_read.cold (user.c:?)
[   12.859243][  T255]  ? 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)
[   12.859245][  T255]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.859249][  T255]  ? 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)
[   12.859252][  T255]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   12.859256][  T255]  ? exit_notify (kernel/exit.c:780)
[   12.859257][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.859260][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.859263][  T255]  do_group_exit (kernel/exit.c:1151)
[   12.859266][  T255]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   12.859268][  T255]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   12.859270][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.859274][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.859277][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.859280][  T255] RIP: 0033:0x7f0221f3b1b8
[   12.859282][  T255] Code: Unable to access opcode bytes at 0x7f0221f3b18e.

Code starting with the faulting instruction
===========================================
[   12.859283][  T255] RSP: 002b:00007fffca7c9a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   12.859285][  T255] RAX: ffffffffffffffda RBX: 00007f022206bf88 RCX: 00007f0221f3b1b8
[   12.859286][  T255] RDX: 00007f0221c85fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   12.859287][  T255] RBP: 00007fffca7c9ae0 R08: 0000000000000000 R09: 0000000000008010
[   12.859288][  T255] R10: 00007fffca7c98a0 R11: 0000000000000246 R12: 0000000000000001
[   12.859289][  T255] R13: 0000000000000000 R14: 00007f022206a680 R15: 00007f022206bfa0
| [   14.108821][  T275] softirqs last disabled at (42324): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.108823][  T275] Preemption disabled at:
| [   14.108824][  T275] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.108833][  T275] Tainted: [W]=WARN
[   14.108834][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.108836][  T275] Call Trace:
[   14.108837][  T275]  <TASK>
[   14.108839][  T275]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.108845][  T275]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.108847][  T275]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.108851][  T275]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.108856][  T275]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.108860][  T275]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.108862][  T275]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.108868][  T275]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.108871][  T275]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.108875][  T275]  put_chars (drivers/char/virtio_console.c:1176)
[   14.108877][  T275]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.108883][  T275]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.108891][  T275]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.108894][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.108898][  T275]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.108902][  T275]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.108904][  T275]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.108907][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.108910][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.108914][  T275]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.108918][  T275]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.108920][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.108925][  T275]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.108928][  T275]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.108930][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.108932][  T275]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.108935][  T275]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.108937][  T275]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.108940][  T275]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.108943][  T275]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.108945][  T275]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   14.108951][  T275]  _printk (kernel/printk/printk.c:2504)
[   14.108955][  T275]  ? snapshot_read.cold (user.c:?)
[   14.108956][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.108959][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.108962][  T275]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.108964][  T275]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.108968][  T275]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.108971][  T275]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.108973][  T275]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.108976][  T275]  ? netdev_notice (net/core/dev.c:13194)
[   14.108979][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.108982][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.108984][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.108988][  T275]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.108990][  T275]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.108992][  T275]  ? register_netdev (net/core/dev.c:11618)
[   14.108993][  T275]  ? 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))
[   14.108999][  T275]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.109001][  T275]  ? __kernel_text_address (kernel/extable.c:79)
[   14.109004][  T275]  ? write_profile (profile.c:?)
[   14.109008][  T275]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.109014][  T275]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.109017][  T275]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.109019][  T275]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.109021][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.109022][  T275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.109026][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.109028][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.109030][  T275]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.109032][  T275]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.109034][  T275]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.109035][  T275]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.109037][  T275]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.109039][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109041][  T275]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.109044][  T275]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.109047][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.109049][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.109052][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109054][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.109055][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109056][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109058][  T275]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.109060][  T275]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.109061][  T275]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.109063][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.109066][  T275]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.109068][  T275]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.109073][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109075][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.109080][  T275]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.109085][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.109087][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109091][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.109093][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.109095][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.109097][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.109101][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.109103][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.109106][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.109107][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109111][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.109113][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.109117][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.109120][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.109123][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.109129][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.109131][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.109136][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.109139][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.109142][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.109146][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.109150][  T275]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.109154][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.109155][  T275]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.109161][  T275]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.109163][  T275]  ____sys_sendmsg (net/socket.c:2713)
[   14.109166][  T275]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.109168][  T275]  ? sock_write_iter (net/socket.c:1269)
[   14.109169][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   14.109177][  T275]  ___sys_sendmsg (net/socket.c:2767)
[   14.109179][  T275]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.109195][  T275]  __sys_sendmsg (net/socket.c:2799)
[   14.109198][  T275]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.109204][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109207][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.109210][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.109213][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.109215][  T275] RIP: 0033:0x7f138f41354e
[   14.109219][  T275] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.109221][  T275] RSP: 002b:00007ffe419820f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.109224][  T275] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f138f41354e
[   14.109225][  T275] RDX: 0000000000000000 RSI: 00007ffe419821a0 RDI: 0000000000000005
[   14.109226][  T275] RBP: 00007ffe41982100 R08: 0000000000000000 R09: 0000000000000000
[   14.109227][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913006
[   14.109228][  T275] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe41982860
| [   19.177000][   T68] softirqs last disabled at (35952): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   19.177002][   T68] Preemption disabled at:
| [   19.177003][   T68] 0x0
| [   19.177013][   T68] Tainted: [W]=WARN
[   19.177014][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.177016][   T68] Workqueue: netns cleanup_net
[   19.177019][   T68] Call Trace:
[   19.177021][   T68]  <TASK>
[   19.177023][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.177030][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.177035][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.177039][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.177043][   T68]  __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))
[   19.177046][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.177053][   T68]  ? 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)
[   19.177056][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.177059][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   19.177062][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.177069][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.177076][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.177080][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.177084][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.177089][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.177090][   T68]  ? 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))
[   19.177094][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.177097][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.177101][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.177105][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.177107][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.177113][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.177116][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.177118][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.177120][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   19.177123][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.177125][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.177128][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.177131][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.177133][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.177138][   T68]  _printk (kernel/printk/printk.c:2504)
[   19.177142][   T68]  ? snapshot_read.cold (user.c:?)
[   19.177150][   T68]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   19.177155][   T68]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   19.177158][   T68]  br_device_event (net/bridge/br.c:111)
[   19.177160][   T68]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   19.177164][   T68]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.177170][   T68]  notifier_call_chain (kernel/notifier.c:85)
[   19.177176][   T68]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   19.177179][   T68]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   19.177183][   T68]  ? __dev_close_many (net/core/dev.c:1804)
[   19.177186][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   19.177190][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   19.177193][   T68]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   19.177195][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   19.177197][   T68]  ? kthread (kernel/kthread.c:436)
[   19.177199][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   19.177202][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   19.177204][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.177212][   T68]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   19.177216][   T68]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   19.177218][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.177221][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.177225][   T68]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   19.177229][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.177232][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   19.177233][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.177237][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.177242][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   19.177245][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.177248][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.177251][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.177254][   T68]  process_one_work (kernel/workqueue.c:3387)
[   19.177261][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   19.177264][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.177272][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   19.177276][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   19.177278][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.177281][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   19.177284][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   19.177286][   T68]  kthread (kernel/kthread.c:436)
[   19.177288][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.177291][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   19.177294][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.177297][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   19.177301][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.177304][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   19.177307][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.894963][  T397] softirqs last disabled at (35048): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.894966][  T397] Preemption disabled at:
| [   22.894967][  T397] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.894975][  T397] Tainted: [W]=WARN
[   22.894976][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.894978][  T397] Call Trace:
[   22.894980][  T397]  <TASK>
[   22.894981][  T397]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.894987][  T397]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.894989][  T397]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.894993][  T397]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.894998][  T397]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.895002][  T397]  __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))
[   22.895004][  T397]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.895011][  T397]  ? 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)
[   22.895014][  T397]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.895017][  T397]  put_chars (drivers/char/virtio_console.c:1176)
[   22.895020][  T397]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.895026][  T397]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.895033][  T397]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.895037][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.895041][  T397]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.895045][  T397]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.895047][  T397]  ? 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))
[   22.895050][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.895053][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.895057][  T397]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.895061][  T397]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.895063][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.895068][  T397]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.895071][  T397]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.895073][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.895074][  T397]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.895078][  T397]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.895080][  T397]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.895082][  T397]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.895085][  T397]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.895088][  T397]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   22.895093][  T397]  _printk (kernel/printk/printk.c:2504)
[   22.895097][  T397]  ? snapshot_read.cold (user.c:?)
[   22.895099][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.895101][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.895104][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.895106][  T397]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.895110][  T397]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.895113][  T397]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.895115][  T397]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.895118][  T397]  ? netdev_notice (net/core/dev.c:13194)
[   22.895121][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.895124][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.895126][  T397]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.895130][  T397]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.895132][  T397]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.895134][  T397]  ? register_netdev (net/core/dev.c:11618)
[   22.895135][  T397]  ? 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))
[   22.895141][  T397]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.895143][  T397]  ? __kernel_text_address (kernel/extable.c:79)
[   22.895146][  T397]  ? write_profile (profile.c:?)
[   22.895150][  T397]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.895156][  T397]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.895159][  T397]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.895161][  T397]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.895163][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.895164][  T397]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.895168][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.895170][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.895171][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.895174][  T397]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.895176][  T397]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.895177][  T397]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.895178][  T397]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.895180][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.895182][  T397]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.895185][  T397]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.895189][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.895191][  T397]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.895194][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.895195][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.895197][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.895198][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.895200][  T397]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.895202][  T397]  ? __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)
[   22.895203][  T397]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.895205][  T397]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.895208][  T397]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.895210][  T397]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.895215][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.895217][  T397]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.895222][  T397]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.895227][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.895229][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.895233][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.895235][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.895237][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.895239][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.895243][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.895245][  T397]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.895248][  T397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.895249][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.895253][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.895255][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.895259][  T397]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.895262][  T397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.895265][  T397]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.895271][  T397]  ? 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))
[   22.895273][  T397]  ? 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))
[   22.895278][  T397]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.895282][  T397]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.895284][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.895288][  T397]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.895292][  T397]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.895296][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.895298][  T397]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.895303][  T397]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.895306][  T397]  ____sys_sendmsg (net/socket.c:2713)
[   22.895308][  T397]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.895313][  T397]  ? sock_write_iter (net/socket.c:1269)
[   22.895315][  T397]  ? move_addr_to_kernel (net/socket.c:258)
[   22.895322][  T397]  ___sys_sendmsg (net/socket.c:2767)
[   22.895325][  T397]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.895341][  T397]  __sys_sendmsg (net/socket.c:2799)
[   22.895343][  T397]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.895350][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.895353][  T397]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.895356][  T397]  ? irq_exit_rcu (kernel/softirq.c:786)
[   22.895360][  T397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.895362][  T397] RIP: 0033:0x7fa9e052054e
[   22.895366][  T397] 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
[   22.895368][  T397] RSP: 002b:00007ffc222aa050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.895370][  T397] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa9e052054e
[   22.895372][  T397] RDX: 0000000000000000 RSI: 00007ffc222aa100 RDI: 0000000000000005
[   22.895373][  T397] RBP: 00007ffc222aa060 R08: 0000000000000000 R09: 0000000000000000
[   22.895373][  T397] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91300f
[   22.895374][  T397] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc222aa7c0
| [   23.927937][  T416] softirqs last disabled at (41650): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.927939][  T416] Preemption disabled at:
| [   23.927940][  T416] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.927948][  T416] Tainted: [W]=WARN
[   23.927949][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.927951][  T416] Call Trace:
[   23.927953][  T416]  <TASK>
[   23.927954][  T416]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.927960][  T416]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.927962][  T416]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.927966][  T416]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.927970][  T416]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.927975][  T416]  __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))
[   23.927977][  T416]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.927984][  T416]  ? 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)
[   23.927986][  T416]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.927990][  T416]  put_chars (drivers/char/virtio_console.c:1176)
[   23.927993][  T416]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.927999][  T416]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.928007][  T416]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.928010][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.928014][  T416]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.928018][  T416]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.928020][  T416]  ? 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))
[   23.928023][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.928025][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.928029][  T416]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.928033][  T416]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.928035][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.928040][  T416]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.928043][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.928045][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.928047][  T416]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.928050][  T416]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.928052][  T416]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.928054][  T416]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.928058][  T416]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.928060][  T416]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   23.928065][  T416]  _printk (kernel/printk/printk.c:2504)
[   23.928069][  T416]  ? snapshot_read.cold (user.c:?)
[   23.928071][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.928073][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.928076][  T416]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.928079][  T416]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.928083][  T416]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.928085][  T416]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.928087][  T416]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.928090][  T416]  ? netdev_notice (net/core/dev.c:13194)
[   23.928093][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.928096][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.928098][  T416]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.928102][  T416]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.928104][  T416]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.928106][  T416]  ? register_netdev (net/core/dev.c:11618)
[   23.928107][  T416]  ? 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))
[   23.928112][  T416]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.928115][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   23.928117][  T416]  ? write_profile (profile.c:?)
[   23.928121][  T416]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.928127][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.928130][  T416]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.928132][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.928134][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.928136][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.928139][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.928141][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.928142][  T416]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.928145][  T416]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.928147][  T416]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.928148][  T416]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.928149][  T416]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.928151][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.928153][  T416]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.928156][  T416]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.928160][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.928162][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.928164][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.928166][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.928168][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.928169][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.928170][  T416]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.928172][  T416]  ? __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)
[   23.928174][  T416]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.928175][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.928179][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.928180][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.928184][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.928187][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.928192][  T416]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.928197][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.928199][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.928203][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.928205][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.928207][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.928209][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.928212][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.928214][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.928218][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.928219][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.928223][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.928225][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.928228][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.928232][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.928234][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.928241][  T416]  ? 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))
[   23.928242][  T416]  ? 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))
[   23.928247][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.928250][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.928253][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.928257][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.928261][  T416]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.928265][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.928266][  T416]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.928271][  T416]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.928274][  T416]  ____sys_sendmsg (net/socket.c:2713)
[   23.928276][  T416]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.928278][  T416]  ? sock_write_iter (net/socket.c:1269)
[   23.928280][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   23.928287][  T416]  ___sys_sendmsg (net/socket.c:2767)
[   23.928290][  T416]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.928305][  T416]  __sys_sendmsg (net/socket.c:2799)
[   23.928308][  T416]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.928317][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.928320][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.928323][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.928326][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.928328][  T416] RIP: 0033:0x7f7b402eb54e
[   23.928332][  T416] 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
[   23.928334][  T416] RSP: 002b:00007ffe4097be10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.928336][  T416] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7b402eb54e
[   23.928338][  T416] RDX: 0000000000000000 RSI: 00007ffe4097bec0 RDI: 0000000000000005
[   23.928339][  T416] RBP: 00007ffe4097be20 R08: 0000000000000000 R09: 0000000000000000
[   23.928340][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913010
[   23.928340][  T416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4097c580
| [   28.958457][   T68] softirqs last disabled at (207058): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   28.958460][   T68] Preemption disabled at:
| [   28.958460][   T68] 0x0
| [   28.958471][   T68] Tainted: [W]=WARN
[   28.958472][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.958473][   T68] Workqueue: netns cleanup_net
[   28.958477][   T68] Call Trace:
[   28.958478][   T68]  <TASK>
[   28.958480][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.958486][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.958491][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.958495][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.958499][   T68]  __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))
[   28.958501][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.958508][   T68]  ? 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)
[   28.958511][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.958515][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   28.958517][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.958524][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.958532][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.958535][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.958540][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.958544][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.958546][   T68]  ? 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))
[   28.958550][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.958552][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.958557][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.958561][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.958563][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.958568][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.958571][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.958573][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.958575][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   28.958579][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.958581][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.958584][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.958587][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.958593][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.958596][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.958598][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.958603][   T68]  _printk (kernel/printk/printk.c:2504)
[   28.958606][   T68]  ? snapshot_read.cold (user.c:?)
[   28.958614][   T68]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.958620][   T68]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   28.958623][   T68]  br_device_event (net/bridge/br.c:111)
[   28.958625][   T68]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   28.958629][   T68]  ? packet_sendmsg_spkt (af_packet.c:?)
[   28.958635][   T68]  notifier_call_chain (kernel/notifier.c:85)
[   28.958641][   T68]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   28.958644][   T68]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   28.958648][   T68]  ? __dev_close_many (net/core/dev.c:1804)
[   28.958651][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   28.958655][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   28.958658][   T68]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   28.958660][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.958662][   T68]  ? kthread (kernel/kthread.c:436)
[   28.958664][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   28.958667][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   28.958670][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   28.958678][   T68]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   28.958681][   T68]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   28.958684][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.958686][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.958691][   T68]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   28.958694][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.958697][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   28.958699][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.958702][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.958707][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   28.958710][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.958714][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.958716][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.958719][   T68]  process_one_work (kernel/workqueue.c:3387)
[   28.958726][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   28.958729][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.958737][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.958742][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.958744][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.958747][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.958749][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.958752][   T68]  kthread (kernel/kthread.c:436)
[   28.958753][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.958757][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.958760][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.958763][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   28.958766][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.958770][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.958773][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.189977][  T523] softirqs last disabled at (40348): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.189981][  T523] Preemption disabled at:
| [   32.189982][  T523] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.189993][  T523] Tainted: [W]=WARN
[   32.189995][  T523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.189997][  T523] Call Trace:
[   32.189999][  T523]  <TASK>
[   32.190001][  T523]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.190009][  T523]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.190012][  T523]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.190018][  T523]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.190024][  T523]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.190030][  T523]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.190033][  T523]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.190043][  T523]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.190046][  T523]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.190052][  T523]  put_chars (drivers/char/virtio_console.c:1176)
[   32.190057][  T523]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.190068][  T523]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.190080][  T523]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.190085][  T523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.190093][  T523]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.190099][  T523]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.190102][  T523]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   32.190108][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.190112][  T523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.190119][  T523]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.190126][  T523]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.190128][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.190138][  T523]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.190142][  T523]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.190145][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.190148][  T523]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   32.190154][  T523]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.190157][  T523]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.190162][  T523]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.190168][  T523]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.190172][  T523]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   32.190180][  T523]  _printk (kernel/printk/printk.c:2504)
[   32.190186][  T523]  ? snapshot_read.cold (user.c:?)
[   32.190188][  T523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.190193][  T523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.190197][  T523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.190201][  T523]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.190206][  T523]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.190210][  T523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.190215][  T523]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.190219][  T523]  ? netdev_notice (net/core/dev.c:13194)
[   32.190223][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.190228][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.190232][  T523]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.190238][  T523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.190242][  T523]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.190245][  T523]  ? register_netdev (net/core/dev.c:11618)
[   32.190248][  T523]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   32.190256][  T523]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.190260][  T523]  ? __kernel_text_address (kernel/extable.c:79)
[   32.190263][  T523]  ? write_profile (profile.c:?)
[   32.190269][  T523]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.190278][  T523]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.190285][  T523]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.190288][  T523]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.190290][  T523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.190293][  T523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.190298][  T523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.190301][  T523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.190304][  T523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.190308][  T523]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.190315][  T523]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.190317][  T523]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.190319][  T523]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.190324][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.190327][  T523]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   32.190331][  T523]  ? ___sys_sendmsg (net/socket.c:2758)
[   32.190337][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.190340][  T523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.190345][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.190348][  T523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.190350][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.190352][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.190355][  T523]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.190359][  T523]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   32.190361][  T523]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.190364][  T523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.190371][  T523]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.190373][  T523]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.190381][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.190385][  T523]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.190394][  T523]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.190404][  T523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.190407][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.190415][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.190418][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.190421][  T523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.190424][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.190431][  T523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.190435][  T523]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.190440][  T523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.190442][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.190450][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.190453][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.190459][  T523]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.190463][  T523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.190469][  T523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.190480][  T523]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.190483][  T523]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.190491][  T523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.190498][  T523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.190502][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.190509][  T523]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.190516][  T523]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.190522][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.190525][  T523]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   32.190534][  T523]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.190538][  T523]  ____sys_sendmsg (net/socket.c:2713)
[   32.190542][  T523]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.190546][  T523]  ? sock_write_iter (net/socket.c:1269)
[   32.190548][  T523]  ? move_addr_to_kernel (net/socket.c:258)
[   32.190561][  T523]  ___sys_sendmsg (net/socket.c:2767)
[   32.190566][  T523]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.190600][  T523]  __sys_sendmsg (net/socket.c:2799)
[   32.190605][  T523]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.190616][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.190622][  T523]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.190626][  T523]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.190631][  T523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.190635][  T523] RIP: 0033:0x7f5b2b24054e
[   32.190640][  T523] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.190643][  T523] RSP: 002b:00007ffd86938f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.190646][  T523] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5b2b24054e
[   32.190648][  T523] RDX: 0000000000000000 RSI: 00007ffd86938fc0 RDI: 0000000000000005
[   32.190650][  T523] RBP: 00007ffd86938f20 R08: 0000000000000000 R09: 0000000000000000
[   32.190651][  T523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913018
[   32.190652][  T523] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd86939680
| [   38.331260][  T583] softirqs last disabled at (37976): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.331262][  T583] Preemption disabled at:
| [   38.331263][  T583] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.331271][  T583] Tainted: [W]=WARN
[   38.331272][  T583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.331274][  T583] Call Trace:
[   38.331276][  T583]  <TASK>
[   38.331278][  T583]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.331284][  T583]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.331285][  T583]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.331290][  T583]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.331294][  T583]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.331298][  T583]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.331300][  T583]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.331307][  T583]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.331310][  T583]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.331317][  T583]  put_chars (drivers/char/virtio_console.c:1176)
[   38.331320][  T583]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.331326][  T583]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.331335][  T583]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.331338][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.331342][  T583]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.331347][  T583]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.331348][  T583]  ? 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))
[   38.331352][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.331354][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.331358][  T583]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.331362][  T583]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.331364][  T583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.331370][  T583]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.331372][  T583]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.331374][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.331376][  T583]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   38.331380][  T583]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.331382][  T583]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.331384][  T583]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.331387][  T583]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.331389][  T583]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   38.331391][  T583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.331393][  T583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.331397][  T583]  _printk (kernel/printk/printk.c:2504)
[   38.331401][  T583]  ? snapshot_read.cold (user.c:?)
[   38.331402][  T583]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.331405][  T583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.331408][  T583]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.331410][  T583]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.331414][  T583]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.331417][  T583]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.331419][  T583]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.331422][  T583]  ? netdev_notice (net/core/dev.c:13194)
[   38.331425][  T583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.331427][  T583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.331430][  T583]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.331433][  T583]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.331435][  T583]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.331438][  T583]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   38.331442][  T583]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.331446][  T583]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.331452][  T583]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.331456][  T583]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.331459][  T583]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.331460][  T583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.331462][  T583]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.331466][  T583]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.331468][  T583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.331470][  T583]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.331472][  T583]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.331474][  T583]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.331475][  T583]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.331476][  T583]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.331479][  T583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.331480][  T583]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   38.331484][  T583]  ? ___sys_sendmsg (net/socket.c:2758)
[   38.331487][  T583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.331489][  T583]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.331492][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.331494][  T583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.331495][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.331496][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.331498][  T583]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.331500][  T583]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   38.331503][  T583]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.331505][  T583]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.331508][  T583]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.331509][  T583]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.331514][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.331517][  T583]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.331522][  T583]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.331527][  T583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.331529][  T583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.331534][  T583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.331535][  T583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.331537][  T583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.331539][  T583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.331543][  T583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.331545][  T583]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.331548][  T583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.331549][  T583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.331554][  T583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.331556][  T583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.331559][  T583]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.331562][  T583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.331565][  T583]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.331571][  T583]  ? 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))
[   38.331573][  T583]  ? 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))
[   38.331578][  T583]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.331582][  T583]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.331584][  T583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.331588][  T583]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.331592][  T583]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.331596][  T583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.331598][  T583]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   38.331603][  T583]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   38.331606][  T583]  ____sys_sendmsg (net/socket.c:2713)
[   38.331614][  T583]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.331617][  T583]  ? sock_write_iter (net/socket.c:1269)
[   38.331618][  T583]  ? move_addr_to_kernel (net/socket.c:258)
[   38.331626][  T583]  ___sys_sendmsg (net/socket.c:2767)
[   38.331629][  T583]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.331644][  T583]  __sys_sendmsg (net/socket.c:2799)
[   38.331647][  T583]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.331653][  T583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.331656][  T583]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.331660][  T583]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.331663][  T583]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.331665][  T583] RIP: 0033:0x7fd4800f154e
[   38.331669][  T583] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.331671][  T583] RSP: 002b:00007fff650e6f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.331673][  T583] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd4800f154e
[   38.331674][  T583] RDX: 0000000000000000 RSI: 00007fff650e7010 RDI: 0000000000000005
[   38.331675][  T583] RBP: 00007fff650e6f70 R08: 0000000000000000 R09: 0000000000000000
[   38.331676][  T583] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91301e
[   38.331677][  T583] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff650e76d0
| [   39.523687][  T630] softirqs last disabled at (48062): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   39.523690][  T630] Preemption disabled at:
| [   39.523690][  T630] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.523699][  T630] Tainted: [W]=WARN
[   39.523700][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.523702][  T630] Call Trace:
[   39.523703][  T630]  <TASK>
[   39.523705][  T630]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.523711][  T630]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.523713][  T630]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.523717][  T630]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.523721][  T630]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.523726][  T630]  __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))
[   39.523728][  T630]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.523735][  T630]  ? 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)
[   39.523738][  T630]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.523742][  T630]  put_chars (drivers/char/virtio_console.c:1176)
[   39.523744][  T630]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.523751][  T630]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.523758][  T630]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.523762][  T630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.523766][  T630]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.523770][  T630]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.523772][  T630]  ? 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))
[   39.523775][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.523778][  T630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.523782][  T630]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.523786][  T630]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.523788][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.523793][  T630]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.523796][  T630]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.523798][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.523800][  T630]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   39.523803][  T630]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.523805][  T630]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.523808][  T630]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.523811][  T630]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.523813][  T630]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.523815][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.523817][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.523821][  T630]  _printk (kernel/printk/printk.c:2504)
[   39.523825][  T630]  ? snapshot_read.cold (user.c:?)
[   39.523826][  T630]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.523829][  T630]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.523832][  T630]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.523834][  T630]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.523838][  T630]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.523841][  T630]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.523843][  T630]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.523846][  T630]  ? netdev_notice (net/core/dev.c:13194)
[   39.523849][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.523851][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.523854][  T630]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.523857][  T630]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.523860][  T630]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.523862][  T630]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   39.523866][  T630]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.523870][  T630]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.523876][  T630]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.523880][  T630]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.523883][  T630]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.523885][  T630]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.523887][  T630]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.523890][  T630]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.523892][  T630]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.523894][  T630]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.523896][  T630]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.523898][  T630]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.523900][  T630]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.523901][  T630]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.523903][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.523905][  T630]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   39.523908][  T630]  ? ___sys_sendmsg (net/socket.c:2758)
[   39.523912][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.523914][  T630]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.523917][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.523919][  T630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.523920][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.523921][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.523923][  T630]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.523925][  T630]  ? __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)
[   39.523928][  T630]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.523930][  T630]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.523934][  T630]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.523935][  T630]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.523940][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.523942][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.523947][  T630]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.523952][  T630]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.523954][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.523959][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.523961][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.523963][  T630]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.523965][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.523969][  T630]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.523971][  T630]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.523974][  T630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.523975][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.523980][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.523982][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.523985][  T630]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.523988][  T630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.523991][  T630]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.523998][  T630]  ? 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))
[   39.524000][  T630]  ? 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))
[   39.524005][  T630]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.524008][  T630]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.524011][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.524015][  T630]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.524019][  T630]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.524023][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.524025][  T630]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   39.524031][  T630]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.524034][  T630]  ____sys_sendmsg (net/socket.c:2713)
[   39.524036][  T630]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.524038][  T630]  ? sock_write_iter (net/socket.c:1269)
[   39.524040][  T630]  ? move_addr_to_kernel (net/socket.c:258)
[   39.524047][  T630]  ___sys_sendmsg (net/socket.c:2767)
[   39.524050][  T630]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.524066][  T630]  __sys_sendmsg (net/socket.c:2799)
[   39.524069][  T630]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.524075][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.524078][  T630]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.524081][  T630]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.524085][  T630]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.524087][  T630] RIP: 0033:0x7f3f6f41b54e
[   39.524091][  T630] 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
[   39.524093][  T630] RSP: 002b:00007ffe699ca840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.524095][  T630] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3f6f41b54e
[   39.524097][  T630] RDX: 0000000000000000 RSI: 00007ffe699ca8f0 RDI: 0000000000000005
[   39.524098][  T630] RBP: 00007ffe699ca850 R08: 0000000000000000 R09: 0000000000000000
[   39.524098][  T630] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91301f
[   39.524099][  T630] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe699cafb0
| [   40.740720][  T677] softirqs last disabled at (40070): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.740722][  T677] Preemption disabled at:
| [   40.740723][  T677] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.740732][  T677] Tainted: [W]=WARN
[   40.740732][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.740734][  T677] Call Trace:
[   40.740736][  T677]  <TASK>
[   40.740738][  T677]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.740743][  T677]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.740745][  T677]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.740750][  T677]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.740754][  T677]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.740758][  T677]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.740760][  T677]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.740767][  T677]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.740770][  T677]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.740774][  T677]  put_chars (drivers/char/virtio_console.c:1176)
[   40.740776][  T677]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.740783][  T677]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.740791][  T677]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.740794][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.740798][  T677]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.740802][  T677]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.740804][  T677]  ? 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))
[   40.740807][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.740810][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.740814][  T677]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.740818][  T677]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.740820][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.740826][  T677]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.740829][  T677]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.740831][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.740832][  T677]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   40.740836][  T677]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.740838][  T677]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.740841][  T677]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.740844][  T677]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.740846][  T677]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.740848][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.740849][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.740853][  T677]  _printk (kernel/printk/printk.c:2504)
[   40.740857][  T677]  ? snapshot_read.cold (user.c:?)
[   40.740859][  T677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.740862][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.740865][  T677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.740867][  T677]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.740871][  T677]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.740873][  T677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.740876][  T677]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.740879][  T677]  ? netdev_notice (net/core/dev.c:13194)
[   40.740881][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.740884][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.740887][  T677]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.740891][  T677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.740893][  T677]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.740896][  T677]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   40.740899][  T677]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.740904][  T677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.740910][  T677]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.740913][  T677]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.740917][  T677]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.740918][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.740920][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.740923][  T677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.740925][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.740927][  T677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.740930][  T677]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.740931][  T677]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.740933][  T677]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.740934][  T677]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   40.740936][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.740938][  T677]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   40.740941][  T677]  ? ___sys_sendmsg (net/socket.c:2758)
[   40.740945][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.740947][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.740950][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.740952][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.740953][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.740954][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.740956][  T677]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.740958][  T677]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   40.740961][  T677]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.740963][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.740966][  T677]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.740967][  T677]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.740972][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.740975][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.740980][  T677]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.740985][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.740987][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.740992][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.740994][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.740996][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.740998][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.741001][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.741004][  T677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.741007][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.741008][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.741013][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.741015][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.741018][  T677]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.741021][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.741024][  T677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.741031][  T677]  ? 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))
[   40.741033][  T677]  ? 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))
[   40.741037][  T677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.741041][  T677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.741044][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.741048][  T677]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.741052][  T677]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.741056][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.741058][  T677]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.741063][  T677]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.741066][  T677]  ____sys_sendmsg (net/socket.c:2713)
[   40.741069][  T677]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.741071][  T677]  ? sock_write_iter (net/socket.c:1269)
[   40.741073][  T677]  ? move_addr_to_kernel (net/socket.c:258)
[   40.741080][  T677]  ___sys_sendmsg (net/socket.c:2767)
[   40.741083][  T677]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.741099][  T677]  __sys_sendmsg (net/socket.c:2799)
[   40.741102][  T677]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.741108][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.741111][  T677]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.741115][  T677]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.741118][  T677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.741120][  T677] RIP: 0033:0x7fef2137754e
[   40.741124][  T677] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.741125][  T677] RSP: 002b:00007ffc3360e500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.741128][  T677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fef2137754e
[   40.741130][  T677] RDX: 0000000000000000 RSI: 00007ffc3360e5b0 RDI: 0000000000000005
[   40.741130][  T677] RBP: 00007ffc3360e510 R08: 0000000000000000 R09: 0000000000000000
[   40.741131][  T677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913020
[   40.741132][  T677] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3360ec70
| [   42.051409][  T724] softirqs last disabled at (31422): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   42.051412][  T724] Preemption disabled at:
| [   42.051412][  T724] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.051421][  T724] Tainted: [W]=WARN
[   42.051422][  T724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.051424][  T724] Call Trace:
[   42.051426][  T724]  <TASK>
[   42.051427][  T724]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.051433][  T724]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.051435][  T724]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.051439][  T724]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.051443][  T724]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.051448][  T724]  __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))
[   42.051450][  T724]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.051456][  T724]  ? 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)
[   42.051459][  T724]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.051463][  T724]  put_chars (drivers/char/virtio_console.c:1176)
[   42.051465][  T724]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.051472][  T724]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.051479][  T724]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.051482][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.051486][  T724]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.051490][  T724]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.051492][  T724]  ? 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))
[   42.051495][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.051498][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.051502][  T724]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.051506][  T724]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.051508][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.051513][  T724]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.051516][  T724]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.051518][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.051519][  T724]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   42.051523][  T724]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.051525][  T724]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.051528][  T724]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.051531][  T724]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.051532][  T724]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   42.051534][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.051536][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.051540][  T724]  _printk (kernel/printk/printk.c:2504)
[   42.051544][  T724]  ? snapshot_read.cold (user.c:?)
[   42.051545][  T724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.051548][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.051551][  T724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.051553][  T724]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.051557][  T724]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.051560][  T724]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.051562][  T724]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.051565][  T724]  ? netdev_notice (net/core/dev.c:13194)
[   42.051567][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.051570][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.051573][  T724]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.051576][  T724]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.051578][  T724]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   42.051581][  T724]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   42.051585][  T724]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   42.051589][  T724]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   42.051595][  T724]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.051598][  T724]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.051602][  T724]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.051603][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.051605][  T724]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.051608][  T724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.051610][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.051612][  T724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.051614][  T724]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.051616][  T724]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.051622][  T724]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.051623][  T724]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.051625][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.051627][  T724]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   42.051630][  T724]  ? ___sys_sendmsg (net/socket.c:2758)
[   42.051634][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.051636][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.051639][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.051641][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.051642][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.051643][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.051645][  T724]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.051647][  T724]  ? __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)
[   42.051650][  T724]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.051652][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.051655][  T724]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.051656][  T724]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.051661][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.051664][  T724]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.051669][  T724]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.051674][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.051676][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.051680][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.051682][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.051684][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.051686][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.051689][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.051691][  T724]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.051694][  T724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.051696][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.051700][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.051702][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.051705][  T724]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.051709][  T724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.051711][  T724]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.051718][  T724]  ? 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))
[   42.051720][  T724]  ? 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))
[   42.051724][  T724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.051728][  T724]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.051730][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.051735][  T724]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.051739][  T724]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.051742][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.051744][  T724]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   42.051749][  T724]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   42.051752][  T724]  ____sys_sendmsg (net/socket.c:2713)
[   42.051754][  T724]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.051757][  T724]  ? sock_write_iter (net/socket.c:1269)
[   42.051758][  T724]  ? move_addr_to_kernel (net/socket.c:258)
[   42.051765][  T724]  ___sys_sendmsg (net/socket.c:2767)
[   42.051768][  T724]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.051784][  T724]  __sys_sendmsg (net/socket.c:2799)
[   42.051787][  T724]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.051793][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.051796][  T724]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.051799][  T724]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.051801][  T724]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.051804][  T724] RIP: 0033:0x7fafea9f854e
[   42.051808][  T724] 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
[   42.051810][  T724] RSP: 002b:00007ffe6bfa6880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.051812][  T724] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fafea9f854e
[   42.051814][  T724] RDX: 0000000000000000 RSI: 00007ffe6bfa6930 RDI: 0000000000000005
[   42.051814][  T724] RBP: 00007ffe6bfa6890 R08: 0000000000000000 R09: 0000000000000000
[   42.051815][  T724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913022
[   42.051816][  T724] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6bfa6ff0
| [   45.453773][  T819] softirqs last disabled at (42208): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.453776][  T819] Preemption disabled at:
| [   45.453777][  T819] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.453788][  T819] Tainted: [W]=WARN
[   45.453789][  T819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.453791][  T819] Call Trace:
[   45.453793][  T819]  <TASK>
[   45.453795][  T819]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.453802][  T819]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.453805][  T819]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.453810][  T819]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.453816][  T819]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.453823][  T819]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.453826][  T819]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.453835][  T819]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.453838][  T819]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.453844][  T819]  put_chars (drivers/char/virtio_console.c:1176)
[   45.453848][  T819]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.453859][  T819]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.453871][  T819]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.453876][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.453883][  T819]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.453890][  T819]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.453892][  T819]  ? 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))
[   45.453897][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.453901][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.453908][  T819]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.453915][  T819]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.453917][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.453926][  T819]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.453931][  T819]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.453933][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.453936][  T819]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   45.453943][  T819]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.453945][  T819]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.453950][  T819]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.453955][  T819]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.453960][  T819]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   45.453968][  T819]  _printk (kernel/printk/printk.c:2504)
[   45.453973][  T819]  ? snapshot_read.cold (user.c:?)
[   45.453975][  T819]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.453979][  T819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.453983][  T819]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.453986][  T819]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.453991][  T819]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.453996][  T819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.454000][  T819]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.454004][  T819]  ? netdev_notice (net/core/dev.c:13194)
[   45.454008][  T819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.454013][  T819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.454017][  T819]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.454023][  T819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.454026][  T819]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.454029][  T819]  ? register_netdev (net/core/dev.c:11618)
[   45.454031][  T819]  ? 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))
[   45.454039][  T819]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.454043][  T819]  ? __kernel_text_address (kernel/extable.c:79)
[   45.454046][  T819]  ? write_profile (profile.c:?)
[   45.454052][  T819]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.454061][  T819]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.454066][  T819]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.454069][  T819]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.454071][  T819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.454074][  T819]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.454079][  T819]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.454082][  T819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.454085][  T819]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.454088][  T819]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.454091][  T819]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.454093][  T819]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.454095][  T819]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.454099][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.454102][  T819]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   45.454106][  T819]  ? ___sys_sendmsg (net/socket.c:2758)
[   45.454112][  T819]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.454115][  T819]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.454119][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.454122][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.454124][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.454126][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.454129][  T819]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.454133][  T819]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   45.454134][  T819]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.454138][  T819]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.454144][  T819]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.454145][  T819]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.454153][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.454157][  T819]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.454166][  T819]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.454176][  T819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.454179][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.454186][  T819]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.454189][  T819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.454192][  T819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.454195][  T819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.454202][  T819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.454205][  T819]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.454210][  T819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.454212][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.454220][  T819]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.454223][  T819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.454229][  T819]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.454233][  T819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.454238][  T819]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.454249][  T819]  ? 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))
[   45.454252][  T819]  ? 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))
[   45.454259][  T819]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.454266][  T819]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.454270][  T819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.454277][  T819]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.454284][  T819]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.454290][  T819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.454292][  T819]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   45.454300][  T819]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.454305][  T819]  ____sys_sendmsg (net/socket.c:2713)
[   45.454308][  T819]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.454315][  T819]  ? sock_write_iter (net/socket.c:1269)
[   45.454318][  T819]  ? move_addr_to_kernel (net/socket.c:258)
[   45.454331][  T819]  ___sys_sendmsg (net/socket.c:2767)
[   45.454335][  T819]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.454365][  T819]  __sys_sendmsg (net/socket.c:2799)
[   45.454369][  T819]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.454380][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.454385][  T819]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.454389][  T819]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.454394][  T819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.454397][  T819] RIP: 0033:0x7fabf534254e
[   45.454401][  T819] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.454404][  T819] RSP: 002b:00007ffceee74db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.454407][  T819] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fabf534254e
[   45.454409][  T819] RDX: 0000000000000000 RSI: 00007ffceee74e60 RDI: 0000000000000005
[   45.454411][  T819] RBP: 00007ffceee74dc0 R08: 0000000000000000 R09: 0000000000000000
[   45.454412][  T819] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913025
[   45.454413][  T819] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffceee75520
| [   53.701247][  T921] softirqs last disabled at (31572): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   53.701251][  T921] Preemption disabled at:
| [   53.701252][  T921] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.701263][  T921] Tainted: [W]=WARN
[   53.701265][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.701267][  T921] Call Trace:
[   53.701270][  T921]  <TASK>
[   53.701272][  T921]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.701279][  T921]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.701282][  T921]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.701288][  T921]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.701294][  T921]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.701300][  T921]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.701303][  T921]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.701317][  T921]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.701321][  T921]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.701327][  T921]  put_chars (drivers/char/virtio_console.c:1176)
[   53.701332][  T921]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.701343][  T921]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.701355][  T921]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.701360][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.701368][  T921]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.701374][  T921]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.701377][  T921]  ? 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))
[   53.701382][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.701386][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.701393][  T921]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.701400][  T921]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.701403][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.701413][  T921]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.701417][  T921]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.701420][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.701423][  T921]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   53.701429][  T921]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.701431][  T921]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.701436][  T921]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.701441][  T921]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.701445][  T921]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   53.701453][  T921]  _printk (kernel/printk/printk.c:2504)
[   53.701459][  T921]  ? snapshot_read.cold (user.c:?)
[   53.701461][  T921]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.701466][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.701470][  T921]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.701473][  T921]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.701478][  T921]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.701483][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.701486][  T921]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.701490][  T921]  ? netdev_notice (net/core/dev.c:13194)
[   53.701495][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.701499][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.701503][  T921]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.701509][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.701513][  T921]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   53.701516][  T921]  ? register_netdev (net/core/dev.c:11618)
[   53.701518][  T921]  ? 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))
[   53.701526][  T921]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   53.701530][  T921]  ? __kernel_text_address (kernel/extable.c:79)
[   53.701533][  T921]  ? write_profile (profile.c:?)
[   53.701539][  T921]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.701548][  T921]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.701554][  T921]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.701557][  T921]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.701559][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.701562][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.701567][  T921]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.701570][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.701573][  T921]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.701577][  T921]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.701580][  T921]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.701582][  T921]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.701584][  T921]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   53.701588][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.701591][  T921]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   53.701595][  T921]  ? ___sys_sendmsg (net/socket.c:2758)
[   53.701602][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.701605][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.701609][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.701612][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.701615][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.701616][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.701619][  T921]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.701623][  T921]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   53.701625][  T921]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.701629][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.701635][  T921]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.701636][  T921]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.701650][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.701654][  T921]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.701663][  T921]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.701673][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.701676][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.701684][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.701687][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.701690][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.701694][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.701700][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.701704][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.701709][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.701711][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.701719][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.701722][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.701728][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.701732][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.701737][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.701749][  T921]  ? 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))
[   53.701751][  T921]  ? 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))
[   53.701759][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.701766][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.701770][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.701778][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.701784][  T921]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.701791][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.701794][  T921]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   53.701802][  T921]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.701807][  T921]  ____sys_sendmsg (net/socket.c:2713)
[   53.701810][  T921]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.701814][  T921]  ? sock_write_iter (net/socket.c:1269)
[   53.701816][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   53.701830][  T921]  ___sys_sendmsg (net/socket.c:2767)
[   53.701834][  T921]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.701864][  T921]  __sys_sendmsg (net/socket.c:2799)
[   53.701868][  T921]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.701879][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.701884][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.701888][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.701893][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.701896][  T921] RIP: 0033:0x7f5dae48354e
[   53.701901][  T921] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.701904][  T921] RSP: 002b:00007fffd31dc120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.701907][  T921] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5dae48354e
[   53.701909][  T921] RDX: 0000000000000000 RSI: 00007fffd31dc1d0 RDI: 0000000000000005
[   53.701911][  T921] RBP: 00007fffd31dc130 R08: 0000000000000000 R09: 0000000000000000
[   53.701912][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91302d
[   53.701913][  T921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd31dc890
| [   61.879997][ T1030] softirqs last disabled at (45932): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   61.880000][ T1030] Preemption disabled at:
| [   61.880001][ T1030] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.880009][ T1030] Tainted: [W]=WARN
[   61.880010][ T1030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.880012][ T1030] Call Trace:
[   61.880013][ T1030]  <TASK>
[   61.880015][ T1030]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.880020][ T1030]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.880022][ T1030]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.880027][ T1030]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.880031][ T1030]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.880035][ T1030]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   61.880037][ T1030]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.880044][ T1030]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.880047][ T1030]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.880050][ T1030]  put_chars (drivers/char/virtio_console.c:1176)
[   61.880053][ T1030]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.880059][ T1030]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.880066][ T1030]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.880069][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.880074][ T1030]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.880078][ T1030]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.880080][ T1030]  ? 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))
[   61.880083][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.880085][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.880089][ T1030]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.880093][ T1030]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.880095][ T1030]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.880100][ T1030]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.880103][ T1030]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.880105][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.880107][ T1030]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   61.880110][ T1030]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.880112][ T1030]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.880115][ T1030]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.880118][ T1030]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.880120][ T1030]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   61.880125][ T1030]  _printk (kernel/printk/printk.c:2504)
[   61.880129][ T1030]  ? snapshot_read.cold (user.c:?)
[   61.880131][ T1030]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.880133][ T1030]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.880136][ T1030]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.880138][ T1030]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.880142][ T1030]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.880145][ T1030]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.880147][ T1030]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.880150][ T1030]  ? netdev_notice (net/core/dev.c:13194)
[   61.880153][ T1030]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.880156][ T1030]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.880158][ T1030]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.880162][ T1030]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.880164][ T1030]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   61.880166][ T1030]  ? register_netdev (net/core/dev.c:11618)
[   61.880168][ T1030]  ? 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))
[   61.880173][ T1030]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   61.880176][ T1030]  ? __kernel_text_address (kernel/extable.c:79)
[   61.880178][ T1030]  ? write_profile (profile.c:?)
[   61.880182][ T1030]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.880188][ T1030]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.880191][ T1030]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.880193][ T1030]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.880195][ T1030]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.880196][ T1030]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.880200][ T1030]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.880202][ T1030]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.880203][ T1030]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.880206][ T1030]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.880208][ T1030]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.880209][ T1030]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.880210][ T1030]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.880212][ T1030]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.880214][ T1030]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   61.880218][ T1030]  ? ___sys_sendmsg (net/socket.c:2758)
[   61.880222][ T1030]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.880224][ T1030]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.880226][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.880228][ T1030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.880229][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.880230][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.880232][ T1030]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.880234][ T1030]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   61.880235][ T1030]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.880237][ T1030]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.880241][ T1030]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.880242][ T1030]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.880247][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.880249][ T1030]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.880254][ T1030]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.880259][ T1030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.880261][ T1030]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.880266][ T1030]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.880267][ T1030]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.880269][ T1030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.880271][ T1030]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.880275][ T1030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.880277][ T1030]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.880280][ T1030]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.880281][ T1030]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.880286][ T1030]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.880287][ T1030]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.880291][ T1030]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.880294][ T1030]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.880297][ T1030]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.880303][ T1030]  ? 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))
[   61.880305][ T1030]  ? 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))
[   61.880309][ T1030]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.880317][ T1030]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.880320][ T1030]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.880324][ T1030]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.880328][ T1030]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.880331][ T1030]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.880333][ T1030]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.880338][ T1030]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.880341][ T1030]  ____sys_sendmsg (net/socket.c:2713)
[   61.880343][ T1030]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.880345][ T1030]  ? sock_write_iter (net/socket.c:1269)
[   61.880347][ T1030]  ? move_addr_to_kernel (net/socket.c:258)
[   61.880354][ T1030]  ___sys_sendmsg (net/socket.c:2767)
[   61.880357][ T1030]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.880372][ T1030]  __sys_sendmsg (net/socket.c:2799)
[   61.880375][ T1030]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.880381][ T1030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.880384][ T1030]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.880387][ T1030]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.880390][ T1030]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.880392][ T1030] RIP: 0033:0x7fb2662b854e
[   61.880396][ T1030] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.880398][ T1030] RSP: 002b:00007ffe85430b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.880401][ T1030] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb2662b854e
[   61.880402][ T1030] RDX: 0000000000000000 RSI: 00007ffe85430c10 RDI: 0000000000000005
[   61.880403][ T1030] RBP: 00007ffe85430b70 R08: 0000000000000000 R09: 0000000000000000
[   61.880404][ T1030] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913036
[   61.880404][ T1030] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe854312d0
| [   67.896504][ T1092] softirqs last disabled at (42368): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   67.896507][ T1092] Preemption disabled at:
| [   67.896508][ T1092] vprintk_emit (kernel/printk/printk.c:2471)
| [   67.896517][ T1092] Tainted: [W]=WARN
[   67.896518][ T1092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.896519][ T1092] Call Trace:
[   67.896521][ T1092]  <TASK>
[   67.896523][ T1092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.896528][ T1092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   67.896530][ T1092]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.896535][ T1092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.896539][ T1092]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   67.896544][ T1092]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   67.896546][ T1092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.896552][ T1092]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.896555][ T1092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.896559][ T1092]  put_chars (drivers/char/virtio_console.c:1176)
[   67.896561][ T1092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.896568][ T1092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.896575][ T1092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.896578][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.896583][ T1092]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.896587][ T1092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.896589][ T1092]  ? 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))
[   67.896592][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.896595][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.896599][ T1092]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.896603][ T1092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.896606][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.896611][ T1092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.896614][ T1092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.896616][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.896618][ T1092]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   67.896621][ T1092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.896623][ T1092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.896626][ T1092]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.896629][ T1092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.896631][ T1092]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.896633][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.896634][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.896638][ T1092]  _printk (kernel/printk/printk.c:2504)
[   67.896642][ T1092]  ? snapshot_read.cold (user.c:?)
[   67.896644][ T1092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.896646][ T1092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.896649][ T1092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.896652][ T1092]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   67.896655][ T1092]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   67.896658][ T1092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.896660][ T1092]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   67.896663][ T1092]  ? netdev_notice (net/core/dev.c:13194)
[   67.896666][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.896668][ T1092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.896671][ T1092]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   67.896680][ T1092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.896682][ T1092]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   67.896685][ T1092]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   67.896689][ T1092]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   67.896693][ T1092]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.896699][ T1092]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.896702][ T1092]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   67.896706][ T1092]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   67.896707][ T1092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.896709][ T1092]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.896712][ T1092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.896714][ T1092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.896716][ T1092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.896718][ T1092]  ? kasan_save_stack (mm/kasan/common.c:58)
[   67.896720][ T1092]  ? kasan_save_stack (mm/kasan/common.c:57)
[   67.896721][ T1092]  ? kasan_save_track (mm/kasan/common.c:78)
[   67.896722][ T1092]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   67.896725][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.896727][ T1092]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   67.896730][ T1092]  ? ___sys_sendmsg (net/socket.c:2758)
[   67.896734][ T1092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.896736][ T1092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.896738][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.896740][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.896741][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.896743][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.896744][ T1092]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   67.896746][ T1092]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   67.896749][ T1092]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   67.896751][ T1092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.896754][ T1092]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   67.896756][ T1092]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.896761][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.896763][ T1092]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   67.896768][ T1092]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   67.896773][ T1092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.896775][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.896779][ T1092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.896781][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.896783][ T1092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.896785][ T1092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.896789][ T1092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.896791][ T1092]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.896794][ T1092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.896795][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.896799][ T1092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.896801][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.896805][ T1092]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.896808][ T1092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.896811][ T1092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.896817][ T1092]  ? 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))
[   67.896819][ T1092]  ? 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))
[   67.896823][ T1092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.896827][ T1092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.896830][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.896834][ T1092]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.896837][ T1092]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.896841][ T1092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.896843][ T1092]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   67.896848][ T1092]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   67.896851][ T1092]  ____sys_sendmsg (net/socket.c:2713)
[   67.896853][ T1092]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.896855][ T1092]  ? sock_write_iter (net/socket.c:1269)
[   67.896857][ T1092]  ? move_addr_to_kernel (net/socket.c:258)
[   67.896864][ T1092]  ___sys_sendmsg (net/socket.c:2767)
[   67.896867][ T1092]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.896882][ T1092]  __sys_sendmsg (net/socket.c:2799)
[   67.896885][ T1092]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.896891][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.896894][ T1092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.896897][ T1092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.896900][ T1092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.896902][ T1092] RIP: 0033:0x7f3a1dfcf54e
[   67.896906][ T1092] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.896907][ T1092] RSP: 002b:00007fff162ed530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.896910][ T1092] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3a1dfcf54e
[   67.896911][ T1092] RDX: 0000000000000000 RSI: 00007fff162ed5e0 RDI: 0000000000000005
[   67.896912][ T1092] RBP: 00007fff162ed540 R08: 0000000000000000 R09: 0000000000000000
[   67.896913][ T1092] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91303c
[   67.896914][ T1092] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff162edca0
| [   69.122255][ T1141] softirqs last disabled at (36076): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   69.122259][ T1141] Preemption disabled at:
| [   69.122260][ T1141] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.122271][ T1141] Tainted: [W]=WARN
[   69.122272][ T1141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.122275][ T1141] Call Trace:
[   69.122277][ T1141]  <TASK>
[   69.122279][ T1141]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.122286][ T1141]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.122289][ T1141]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.122295][ T1141]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.122300][ T1141]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   69.122307][ T1141]  __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))
[   69.122312][ T1141]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.122322][ T1141]  ? 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)
[   69.122325][ T1141]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.122331][ T1141]  put_chars (drivers/char/virtio_console.c:1176)
[   69.122335][ T1141]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.122346][ T1141]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.122358][ T1141]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.122363][ T1141]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.122370][ T1141]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.122377][ T1141]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.122379][ T1141]  ? 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))
[   69.122384][ T1141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.122389][ T1141]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.122395][ T1141]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.122402][ T1141]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.122405][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.122414][ T1141]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.122419][ T1141]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.122421][ T1141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.122424][ T1141]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   69.122431][ T1141]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.122433][ T1141]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.122438][ T1141]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.122443][ T1141]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.122446][ T1141]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.122449][ T1141]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.122451][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.122458][ T1141]  _printk (kernel/printk/printk.c:2504)
[   69.122463][ T1141]  ? snapshot_read.cold (user.c:?)
[   69.122466][ T1141]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.122470][ T1141]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.122474][ T1141]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.122477][ T1141]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.122482][ T1141]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.122487][ T1141]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.122491][ T1141]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.122495][ T1141]  ? netdev_notice (net/core/dev.c:13194)
[   69.122499][ T1141]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.122504][ T1141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.122508][ T1141]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   69.122514][ T1141]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.122517][ T1141]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   69.122522][ T1141]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   69.122528][ T1141]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   69.122535][ T1141]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.122544][ T1141]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.122550][ T1141]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   69.122554][ T1141]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   69.122556][ T1141]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.122559][ T1141]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.122564][ T1141]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.122567][ T1141]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.122570][ T1141]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.122574][ T1141]  ? kasan_save_stack (mm/kasan/common.c:58)
[   69.122577][ T1141]  ? kasan_save_stack (mm/kasan/common.c:57)
[   69.122579][ T1141]  ? kasan_save_track (mm/kasan/common.c:78)
[   69.122581][ T1141]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   69.122585][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.122588][ T1141]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   69.122592][ T1141]  ? ___sys_sendmsg (net/socket.c:2758)
[   69.122598][ T1141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.122601][ T1141]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.122606][ T1141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.122609][ T1141]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.122611][ T1141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.122613][ T1141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.122616][ T1141]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   69.122619][ T1141]  ? __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)
[   69.122623][ T1141]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   69.122626][ T1141]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.122632][ T1141]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   69.122634][ T1141]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.122641][ T1141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.122645][ T1141]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   69.122654][ T1141]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   69.122664][ T1141]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.122667][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.122675][ T1141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.122681][ T1141]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.122685][ T1141]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.122688][ T1141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.122694][ T1141]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.122697][ T1141]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.122703][ T1141]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.122705][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.122712][ T1141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.122715][ T1141]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.122721][ T1141]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.122726][ T1141]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.122730][ T1141]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.122741][ T1141]  ? 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))
[   69.122744][ T1141]  ? 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))
[   69.122752][ T1141]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.122759][ T1141]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.122762][ T1141]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.122770][ T1141]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.122777][ T1141]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.122783][ T1141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.122785][ T1141]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   69.122793][ T1141]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   69.122798][ T1141]  ____sys_sendmsg (net/socket.c:2713)
[   69.122802][ T1141]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.122805][ T1141]  ? sock_write_iter (net/socket.c:1269)
[   69.122807][ T1141]  ? move_addr_to_kernel (net/socket.c:258)
[   69.122820][ T1141]  ___sys_sendmsg (net/socket.c:2767)
[   69.122825][ T1141]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.122853][ T1141]  __sys_sendmsg (net/socket.c:2799)
[   69.122858][ T1141]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.122869][ T1141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.122874][ T1141]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.122878][ T1141]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.122883][ T1141]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.122886][ T1141] RIP: 0033:0x7f4a2c6d654e
[   69.122891][ T1141] 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
[   69.122893][ T1141] RSP: 002b:00007ffdd58a8610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.122897][ T1141] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4a2c6d654e
[   69.122899][ T1141] RDX: 0000000000000000 RSI: 00007ffdd58a86c0 RDI: 0000000000000005
[   69.122900][ T1141] RBP: 00007ffdd58a8620 R08: 0000000000000000 R09: 0000000000000000
[   69.122901][ T1141] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91303d
[   69.122902][ T1141] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd58a8d80
| [   70.512106][ T1190] softirqs last disabled at (30890): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   70.512109][ T1190] Preemption disabled at:
| [   70.512110][ T1190] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.512119][ T1190] Tainted: [W]=WARN
[   70.512120][ T1190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.512122][ T1190] Call Trace:
[   70.512124][ T1190]  <TASK>
[   70.512125][ T1190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.512132][ T1190]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.512134][ T1190]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.512138][ T1190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.512143][ T1190]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   70.512148][ T1190]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   70.512150][ T1190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.512157][ T1190]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   70.512160][ T1190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.512164][ T1190]  put_chars (drivers/char/virtio_console.c:1176)
[   70.512167][ T1190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.512173][ T1190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.512181][ T1190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.512185][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.512190][ T1190]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.512194][ T1190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.512196][ T1190]  ? 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))
[   70.512199][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.512202][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.512206][ T1190]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.512211][ T1190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.512213][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.512218][ T1190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.512221][ T1190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.512223][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.512225][ T1190]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   70.512229][ T1190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.512231][ T1190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.512234][ T1190]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.512237][ T1190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.512239][ T1190]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   70.512241][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.512242][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.512247][ T1190]  _printk (kernel/printk/printk.c:2504)
[   70.512251][ T1190]  ? snapshot_read.cold (user.c:?)
[   70.512253][ T1190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.512255][ T1190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.512258][ T1190]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.512260][ T1190]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.512264][ T1190]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.512267][ T1190]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.512270][ T1190]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.512273][ T1190]  ? netdev_notice (net/core/dev.c:13194)
[   70.512276][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.512279][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.512281][ T1190]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   70.512285][ T1190]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.512287][ T1190]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   70.512290][ T1190]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   70.512294][ T1190]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   70.512299][ T1190]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.512305][ T1190]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.512308][ T1190]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   70.512314][ T1190]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   70.512316][ T1190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.512318][ T1190]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.512321][ T1190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.512323][ T1190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.512325][ T1190]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.512328][ T1190]  ? kasan_save_stack (mm/kasan/common.c:58)
[   70.512330][ T1190]  ? kasan_save_stack (mm/kasan/common.c:57)
[   70.512331][ T1190]  ? kasan_save_track (mm/kasan/common.c:78)
[   70.512333][ T1190]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.512335][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.512337][ T1190]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   70.512341][ T1190]  ? ___sys_sendmsg (net/socket.c:2758)
[   70.512345][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.512347][ T1190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.512350][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.512351][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.512353][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.512354][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.512356][ T1190]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.512358][ T1190]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   70.512361][ T1190]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.512363][ T1190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.512367][ T1190]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.512368][ T1190]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.512373][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.512376][ T1190]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   70.512381][ T1190]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.512387][ T1190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.512389][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.512393][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.512396][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.512398][ T1190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.512399][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.512403][ T1190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.512406][ T1190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.512409][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.512410][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.512415][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.512417][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.512421][ T1190]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.512424][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.512427][ T1190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.512434][ T1190]  ? 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))
[   70.512436][ T1190]  ? 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))
[   70.512441][ T1190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.512445][ T1190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.512448][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.512452][ T1190]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.512456][ T1190]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.512460][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.512462][ T1190]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   70.512468][ T1190]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   70.512470][ T1190]  ____sys_sendmsg (net/socket.c:2713)
[   70.512473][ T1190]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.512475][ T1190]  ? sock_write_iter (net/socket.c:1269)
[   70.512477][ T1190]  ? move_addr_to_kernel (net/socket.c:258)
[   70.512485][ T1190]  ___sys_sendmsg (net/socket.c:2767)
[   70.512488][ T1190]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.512504][ T1190]  __sys_sendmsg (net/socket.c:2799)
[   70.512507][ T1190]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.512514][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.512517][ T1190]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.512520][ T1190]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.512523][ T1190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.512526][ T1190] RIP: 0033:0x7f45623fc54e
[   70.512530][ T1190] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.512532][ T1190] RSP: 002b:00007ffcc95fba30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.512534][ T1190] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f45623fc54e
[   70.512536][ T1190] RDX: 0000000000000000 RSI: 00007ffcc95fbae0 RDI: 0000000000000005
[   70.512537][ T1190] RBP: 00007ffcc95fba40 R08: 0000000000000000 R09: 0000000000000000
[   70.512538][ T1190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91303e
[   70.512539][ T1190] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc95fc1a0
| [   71.898168][ T1239] softirqs last disabled at (36344): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   71.898171][ T1239] Preemption disabled at:
| [   71.898171][ T1239] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.898180][ T1239] Tainted: [W]=WARN
[   71.898181][ T1239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.898183][ T1239] Call Trace:
[   71.898185][ T1239]  <TASK>
[   71.898187][ T1239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.898193][ T1239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.898195][ T1239]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.898200][ T1239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.898204][ T1239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   71.898208][ T1239]  __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))
[   71.898210][ T1239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.898217][ T1239]  ? 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)
[   71.898220][ T1239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.898224][ T1239]  put_chars (drivers/char/virtio_console.c:1176)
[   71.898227][ T1239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.898233][ T1239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.898241][ T1239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.898244][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.898249][ T1239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.898253][ T1239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.898255][ T1239]  ? 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))
[   71.898258][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.898261][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.898265][ T1239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.898270][ T1239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.898272][ T1239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.898277][ T1239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.898280][ T1239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.898282][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.898284][ T1239]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   71.898288][ T1239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.898289][ T1239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.898292][ T1239]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.898296][ T1239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.898297][ T1239]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   71.898299][ T1239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.898301][ T1239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.898305][ T1239]  _printk (kernel/printk/printk.c:2504)
[   71.898310][ T1239]  ? snapshot_read.cold (user.c:?)
[   71.898314][ T1239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.898317][ T1239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.898320][ T1239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.898322][ T1239]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   71.898326][ T1239]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   71.898329][ T1239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.898332][ T1239]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   71.898334][ T1239]  ? netdev_notice (net/core/dev.c:13194)
[   71.898337][ T1239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.898340][ T1239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.898343][ T1239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   71.898347][ T1239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.898349][ T1239]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   71.898352][ T1239]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   71.898356][ T1239]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   71.898360][ T1239]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   71.898367][ T1239]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.898370][ T1239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   71.898374][ T1239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   71.898375][ T1239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.898377][ T1239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.898380][ T1239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.898383][ T1239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.898384][ T1239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.898387][ T1239]  ? kasan_save_stack (mm/kasan/common.c:58)
[   71.898389][ T1239]  ? kasan_save_stack (mm/kasan/common.c:57)
[   71.898390][ T1239]  ? kasan_save_track (mm/kasan/common.c:78)
[   71.898391][ T1239]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.898394][ T1239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.898396][ T1239]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   71.898399][ T1239]  ? ___sys_sendmsg (net/socket.c:2758)
[   71.898403][ T1239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.898405][ T1239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.898408][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.898410][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.898411][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.898413][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.898414][ T1239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   71.898417][ T1239]  ? __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)
[   71.898419][ T1239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   71.898421][ T1239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.898425][ T1239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   71.898426][ T1239]  ? nla_get_range_signed (lib/nlattr.c:270)
[   71.898431][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.898433][ T1239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   71.898439][ T1239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.898444][ T1239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.898446][ T1239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.898451][ T1239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.898453][ T1239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.898455][ T1239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.898457][ T1239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.898460][ T1239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.898462][ T1239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.898466][ T1239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.898467][ T1239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.898472][ T1239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.898474][ T1239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.898477][ T1239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   71.898481][ T1239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.898484][ T1239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.898490][ T1239]  ? 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))
[   71.898493][ T1239]  ? 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))
[   71.898497][ T1239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.898501][ T1239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.898504][ T1239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.898509][ T1239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   71.898513][ T1239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   71.898517][ T1239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.898518][ T1239]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   71.898524][ T1239]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   71.898527][ T1239]  ____sys_sendmsg (net/socket.c:2713)
[   71.898529][ T1239]  ? copy_msghdr_from_user (net/socket.c:2650)
[   71.898532][ T1239]  ? sock_write_iter (net/socket.c:1269)
[   71.898533][ T1239]  ? move_addr_to_kernel (net/socket.c:258)
[   71.898541][ T1239]  ___sys_sendmsg (net/socket.c:2767)
[   71.898544][ T1239]  ? copy_msghdr_from_user (net/socket.c:2619)
[   71.898560][ T1239]  __sys_sendmsg (net/socket.c:2799)
[   71.898563][ T1239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   71.898570][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.898573][ T1239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   71.898576][ T1239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   71.898579][ T1239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.898581][ T1239] RIP: 0033:0x7f914cd0e54e
[   71.898585][ T1239] 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
[   71.898587][ T1239] RSP: 002b:00007ffe138e4df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.898590][ T1239] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f914cd0e54e
[   71.898591][ T1239] RDX: 0000000000000000 RSI: 00007ffe138e4ea0 RDI: 0000000000000005
[   71.898592][ T1239] RBP: 00007ffe138e4e00 R08: 0000000000000000 R09: 0000000000000000
[   71.898593][ T1239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913040


Finger prints:
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars